Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729600612.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-01b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729600612
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 436K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K 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 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K 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 31K 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-01b-LTLFireability-00
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-01
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-02
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-03
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-04
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-05
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-06
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-07
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-08
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-09
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-10
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-11
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-12
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-13
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-14
FORMULA_NAME AutonomousCar-PT-01b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748647074577

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-01b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 23:17:55] [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 23:17:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 23:17:55] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2025-05-30 23:17:55] [INFO ] Transformed 119 places.
[2025-05-30 23:17:55] [INFO ] Transformed 132 transitions.
[2025-05-30 23:17:55] [INFO ] Found NUPN structural information;
[2025-05-30 23:17:55] [INFO ] Parsed PT model containing 119 places and 132 transitions and 339 arcs in 153 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 2 formulas.
FORMULA AutonomousCar-PT-01b-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-01b-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 out of 119 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 119/119 places, 132/132 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 109 transition count 122
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 109 transition count 122
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 108 transition count 121
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 108 transition count 121
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 107 transition count 120
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 107 transition count 120
Applied a total of 24 rules in 40 ms. Remains 107 /119 variables (removed 12) and now considering 120/132 (removed 12) transitions.
// Phase 1: matrix 120 rows 107 cols
[2025-05-30 23:17:56] [INFO ] Computed 6 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:17:56] [INFO ] Implicit Places using invariants in 191 ms returned []
[2025-05-30 23:17:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:17:56] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 359 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-05-30 23:17:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (OVERLAPS) 1/107 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:57] [INFO ] Deduced a trap composed of 14 places in 70 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:57] [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 23:17:57] [INFO ] Deduced a trap composed of 44 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:57] [INFO ] Deduced a trap composed of 33 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 23:17:57] [INFO ] Deduced a trap composed of 21 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 23:17:57] [INFO ] Deduced a trap composed of 22 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:57] [INFO ] Deduced a trap composed of 29 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 23:17:58] [INFO ] Deduced a trap composed of 32 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 23:17:58] [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 23:17:58] [INFO ] Deduced a trap composed of 16 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 23:17:58] [INFO ] Deduced a trap composed of 23 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 23:17:58] [INFO ] Deduced a trap composed of 16 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 23:17:58] [INFO ] Deduced a trap composed of 24 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 23:17:58] [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 23:17:58] [INFO ] Deduced a trap composed of 34 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 23:17:58] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:58] [INFO ] Deduced a trap composed of 26 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:58] [INFO ] Deduced a trap composed of 14 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 23:17:58] [INFO ] Deduced a trap composed of 6 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 23:17:58] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:58] [INFO ] Deduced a trap composed of 11 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 23:17:59] [INFO ] Deduced a trap composed of 18 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:59] [INFO ] Deduced a trap composed of 14 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 23:17:59] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:59] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:17:59] [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 23:17:59] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Problem TDEAD10 is UNSAT
Problem TDEAD112 is UNSAT
At refinement iteration 6 (OVERLAPS) 120/227 variables, 107/140 constraints. Problems are: Problem set: 2 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:01] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 1/141 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 0/141 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 0/227 variables, 0/141 constraints. Problems are: Problem set: 2 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 227/227 variables, and 141 constraints, problems are : Problem set: 2 solved, 117 unsolved in 7489 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 2 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 1 (OVERLAPS) 2/107 variables, 6/6 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 27/33 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/33 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 120/227 variables, 107/140 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/227 variables, 117/257 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/227 variables, 1/258 constraints. Problems are: Problem set: 2 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:06] [INFO ] Deduced a trap along path composed of 2 places in 43 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:06] [INFO ] Deduced a trap along path composed of 5 places in 35 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 2/260 constraints. Problems are: Problem set: 2 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:11] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 1/261 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/227 variables, 0/261 constraints. Problems are: Problem set: 2 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:19] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/227 variables, 1/262 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 0/262 constraints. Problems are: Problem set: 2 solved, 117 unsolved
At refinement iteration 12 (OVERLAPS) 0/227 variables, 0/262 constraints. Problems are: Problem set: 2 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Int declared 227/227 variables, and 262 constraints, problems are : Problem set: 2 solved, 117 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 117/119 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 37553ms problems are : Problem set: 2 solved, 117 unsolved
Search for dead transitions found 2 dead transitions in 37563ms
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 : 107/119 places, 118/132 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 106 transition count 118
Applied a total of 1 rules in 5 ms. Remains 106 /107 variables (removed 1) and now considering 118/118 (removed 0) transitions.
// Phase 1: matrix 118 rows 106 cols
[2025-05-30 23:18:34] [INFO ] Computed 6 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:18:34] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-05-30 23:18:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:18:34] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 106/119 places, 118/132 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38126 ms. Remains : 106/119 places, 118/132 transitions.
Support contains 38 out of 106 places after structural reductions.
[2025-05-30 23:18:34] [INFO ] Flatten gal took : 25 ms
[2025-05-30 23:18:34] [INFO ] Flatten gal took : 10 ms
[2025-05-30 23:18:34] [INFO ] Input system was already deterministic with 118 transitions.
RANDOM walk for 40000 steps (11 resets) in 1697 ms. (23 steps per ms) remains 3/36 properties
BEST_FIRST walk for 40000 steps (14 resets) in 329 ms. (121 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40000 steps (21 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
[2025-05-30 23:18:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/37 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/106 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/224 variables, 106/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/224 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/224 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 224/224 variables, and 112 constraints, problems are : Problem set: 0 solved, 1 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp30 is UNSAT
After SMT solving in domain Int declared 37/224 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 24 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, State Equation: 0/106 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
Computed a total of 27 stabilizing places and 27 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((X((p1 U p2))||p0))))))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 96 transition count 108
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 96 transition count 108
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 24 place count 96 transition count 104
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 94 transition count 102
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 94 transition count 102
Applied a total of 28 rules in 13 ms. Remains 94 /106 variables (removed 12) and now considering 102/118 (removed 16) transitions.
// Phase 1: matrix 102 rows 94 cols
[2025-05-30 23:18:35] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:18:35] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-30 23:18:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:18:35] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-05-30 23:18:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:36] [INFO ] Deduced a trap composed of 13 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 23:18:36] [INFO ] Deduced a trap composed of 13 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 23:18:36] [INFO ] Deduced a trap composed of 19 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 23:18:36] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:36] [INFO ] Deduced a trap composed of 29 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:36] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:36] [INFO ] Deduced a trap composed of 32 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 23:18:36] [INFO ] Deduced a trap composed of 31 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 23:18:37] [INFO ] Deduced a trap composed of 32 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 23:18:37] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:37] [INFO ] Deduced a trap composed of 5 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:37] [INFO ] Deduced a trap composed of 14 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 23:18:37] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:37] [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 23:18:37] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:37] [INFO ] Deduced a trap composed of 13 places in 50 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:38] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 117 constraints, problems are : Problem set: 0 solved, 101 unsolved in 4783 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 101/217 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:41] [INFO ] Deduced a trap composed of 21 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 23:18:41] [INFO ] Deduced a trap composed of 22 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 23:18:41] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:42] [INFO ] Deduced a trap composed of 27 places in 34 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:44] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:44] [INFO ] Deduced a trap along path composed of 2 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 23:18:44] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:44] [INFO ] Deduced a trap along path composed of 10 places in 34 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 4/226 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:18:46] [INFO ] Deduced a trap along path composed of 7 places in 30 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 227 constraints, problems are : Problem set: 0 solved, 101 unsolved in 17152 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21946ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 21947ms
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 102/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22066 ms. Remains : 94/106 places, 102/118 transitions.
Stuttering acceptance computed with spot in 271 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-00
Product exploration explored 100000 steps with 3650 reset in 217 ms.
Product exploration explored 100000 steps with 3657 reset in 151 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 68 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 23474 steps (8 resets) in 120 ms. (194 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2))]
False Knowledge obtained : [(F p2), (F p0), (F (NOT (AND (NOT p0) (NOT p2))))]
Knowledge based reduction with 1 factoid took 145 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 220 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2025-05-30 23:18:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:18:59] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:18:59] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-05-30 23:18:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:18:59] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:18:59] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-05-30 23:18:59] [INFO ] Computed and/alt/rep : 101/174/101 causal constraints (skipped 0 transitions) in 6 ms.
[2025-05-30 23:18:59] [INFO ] Added : 94 causal constraints over 20 iterations in 214 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 94/94 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 94 /94 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2025-05-30 23:18:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:18:59] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-05-30 23:18:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:18:59] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-05-30 23:18:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:00] [INFO ] Deduced a trap composed of 13 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:00] [INFO ] Deduced a trap composed of 13 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 23:19:00] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:00] [INFO ] Deduced a trap composed of 27 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 23:19:00] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:00] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:00] [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 23:19:01] [INFO ] Deduced a trap composed of 31 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:01] [INFO ] Deduced a trap composed of 32 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 23:19:01] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:01] [INFO ] Deduced a trap composed of 5 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 23:19:01] [INFO ] Deduced a trap composed of 14 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 23:19:01] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:01] [INFO ] Deduced a trap composed of 39 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 23:19:01] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:01] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:02] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 117 constraints, problems are : Problem set: 0 solved, 101 unsolved in 4735 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 101/217 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:05] [INFO ] Deduced a trap composed of 21 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 23:19:05] [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 23:19:05] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:05] [INFO ] Deduced a trap composed of 27 places in 33 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:07] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:08] [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 23:19:08] [INFO ] Deduced a trap along path composed of 2 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 23:19:08] [INFO ] Deduced a trap along path composed of 10 places in 39 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 4/226 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:10] [INFO ] Deduced a trap along path composed of 7 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 227 constraints, problems are : Problem set: 0 solved, 101 unsolved in 17013 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21761ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 21762ms
Finished structural reductions in LTL mode , in 1 iterations and 21864 ms. Remains : 94/94 places, 102/102 transitions.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 86 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 20143 steps (8 resets) in 27 ms. (719 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2))]
False Knowledge obtained : [(F p2), (F p0), (F (NOT (AND (NOT p0) (NOT p2))))]
Knowledge based reduction with 1 factoid took 121 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 197 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 218 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2025-05-30 23:19:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:19:22] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:19:22] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-05-30 23:19:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:19:22] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2025-05-30 23:19:22] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2025-05-30 23:19:22] [INFO ] Computed and/alt/rep : 101/174/101 causal constraints (skipped 0 transitions) in 7 ms.
[2025-05-30 23:19:23] [INFO ] Added : 94 causal constraints over 20 iterations in 202 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 3635 reset in 74 ms.
Product exploration explored 100000 steps with 3659 reset in 179 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 200 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 102/102 transitions.
Graph (trivial) has 81 edges and 94 vertex of which 4 / 94 are part of one of the 2 SCC in 4 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 32 rules applied. Total rules applied 33 place count 92 transition count 100
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 38 place count 92 transition count 95
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 38 place count 92 transition count 97
Deduced a syphon composed of 43 places in 0 ms
Iterating global reduction 2 with 11 rules applied. Total rules applied 49 place count 92 transition count 97
Discarding 26 places :
Symmetric choice reduction at 2 with 26 rule applications. Total rules 75 place count 66 transition count 71
Deduced a syphon composed of 18 places in 0 ms
Iterating global reduction 2 with 26 rules applied. Total rules applied 101 place count 66 transition count 71
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 38 places in 0 ms
Iterating global reduction 2 with 20 rules applied. Total rules applied 121 place count 66 transition count 73
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 124 place count 66 transition count 70
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 141 place count 49 transition count 52
Deduced a syphon composed of 24 places in 0 ms
Iterating global reduction 3 with 17 rules applied. Total rules applied 158 place count 49 transition count 52
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 160 place count 49 transition count 50
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 161 place count 48 transition count 49
Deduced a syphon composed of 23 places in 1 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 162 place count 48 transition count 49
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 25 places in 0 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 164 place count 48 transition count 50
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 166 place count 46 transition count 48
Deduced a syphon composed of 23 places in 0 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 168 place count 46 transition count 48
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 25 places in 0 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 170 place count 46 transition count 56
Deduced a syphon composed of 25 places in 0 ms
Applied a total of 170 rules in 35 ms. Remains 46 /94 variables (removed 48) and now considering 56/102 (removed 46) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:19:23] [INFO ] Redundant transitions in 1 ms returned []
Running 55 sub problems to find dead transitions.
// Phase 1: matrix 56 rows 46 cols
[2025-05-30 23:19:23] [INFO ] Computed 5 invariants in 1 ms
[2025-05-30 23:19:23] [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) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (OVERLAPS) 1/46 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:24] [INFO ] Deduced a trap composed of 3 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 23:19:24] [INFO ] Deduced a trap composed of 5 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 23:19:24] [INFO ] Deduced a trap composed of 8 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 23:19:24] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:24] [INFO ] Deduced a trap composed of 6 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 23:19:24] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
Problem TDEAD10 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:24] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
Problem TDEAD13 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD17 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:24] [INFO ] Deduced a trap composed of 9 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 23:19:24] [INFO ] Deduced a trap composed of 2 places in 29 ms of which 2 ms to minimize.
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:24] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 3 ms to minimize.
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 10/15 constraints. Problems are: Problem set: 18 solved, 37 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/46 variables, 0/15 constraints. Problems are: Problem set: 18 solved, 37 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 TDEAD14 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
At refinement iteration 4 (OVERLAPS) 55/101 variables, 46/61 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 9/70 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 0/70 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 1/102 variables, 1/71 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/71 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 9 (OVERLAPS) 0/102 variables, 0/71 constraints. Problems are: Problem set: 36 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 102/102 variables, and 71 constraints, problems are : Problem set: 36 solved, 19 unsolved in 1077 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 46/46 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 36 solved, 19 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 26/46 variables, 5/5 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 10/15 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/46 variables, 0/15 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 4 (OVERLAPS) 55/101 variables, 46/61 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 9/70 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 19/89 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/101 variables, 0/89 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 1/102 variables, 1/90 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/102 variables, 0/90 constraints. Problems are: Problem set: 36 solved, 19 unsolved
At refinement iteration 10 (OVERLAPS) 0/102 variables, 0/90 constraints. Problems are: Problem set: 36 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 102/102 variables, and 90 constraints, problems are : Problem set: 36 solved, 19 unsolved in 795 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 46/46 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 19/55 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1882ms problems are : Problem set: 36 solved, 19 unsolved
Search for dead transitions found 36 dead transitions in 1883ms
Found 36 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 36 transitions
Dead transitions reduction (with SMT) removed 36 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 46/94 places, 20/102 transitions.
Graph (complete) has 75 edges and 46 vertex of which 21 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.1 ms
Discarding 25 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 21 /46 variables (removed 25) and now considering 20/20 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/94 places, 20/102 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1930 ms. Remains : 21/94 places, 20/102 transitions.
Built C files in :
/tmp/ltsmin6963146914847718429
[2025-05-30 23:19:25] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6963146914847718429
Running compilation step : cd /tmp/ltsmin6963146914847718429;'/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 300 ms.
Running link step : cd /tmp/ltsmin6963146914847718429;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin6963146914847718429;'/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/stateBased14469048906985062346.hoa' '--buchi-type=spotba'
LTSmin run took 273 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-00 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-01b-LTLFireability-00 finished in 50697 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((X(X((X(p0) U ((X(p0)&&G(p1))||X(G(p0)))))) U (p0 U p2)))))'
Support contains 4 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 97 transition count 109
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 97 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 97 transition count 105
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 95 transition count 103
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 95 transition count 103
Applied a total of 26 rules in 6 ms. Remains 95 /106 variables (removed 11) and now considering 103/118 (removed 15) transitions.
// Phase 1: matrix 103 rows 95 cols
[2025-05-30 23:19:26] [INFO ] Computed 6 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:26] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 23:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:26] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-05-30 23:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:27] [INFO ] Deduced a trap composed of 13 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 23:19:27] [INFO ] Deduced a trap composed of 13 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 23:19:27] [INFO ] Deduced a trap composed of 39 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 23:19:27] [INFO ] Deduced a trap composed of 19 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 23:19:27] [INFO ] Deduced a trap composed of 27 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 23:19:27] [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 23:19:27] [INFO ] Deduced a trap composed of 15 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 23:19:27] [INFO ] Deduced a trap composed of 21 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 23:19:27] [INFO ] Deduced a trap composed of 31 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 23:19:27] [INFO ] Deduced a trap composed of 22 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 23:19:27] [INFO ] Deduced a trap composed of 33 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 23:19:27] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:27] [INFO ] Deduced a trap composed of 16 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 23:19:27] [INFO ] Deduced a trap composed of 5 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 23:19:28] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:28] [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 23:19:28] [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 23:19:28] [INFO ] Deduced a trap composed of 14 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 23:19:28] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/198 variables, 95/120 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:29] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (OVERLAPS) 0/198 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 121 constraints, problems are : Problem set: 0 solved, 102 unsolved in 4828 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 19/25 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 103/198 variables, 95/120 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 102/222 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:32] [INFO ] Deduced a trap composed of 24 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 23:19:32] [INFO ] Deduced a trap composed of 32 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 2/224 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:34] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:34] [INFO ] Deduced a trap along path composed of 10 places in 34 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:34] [INFO ] Deduced a trap along path composed of 2 places in 13 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 3/228 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 10 (OVERLAPS) 0/198 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 228 constraints, problems are : Problem set: 0 solved, 102 unsolved in 10546 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 15381ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 15383ms
Starting structural reductions in LTL mode, iteration 1 : 95/106 places, 103/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15493 ms. Remains : 95/106 places, 103/118 transitions.
Stuttering acceptance computed with spot in 688 ms :[(NOT p2), (NOT p2), (NOT p0), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0)), false, (AND p0 (NOT p1)), false]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-01
Entered a terminal (fully accepting) state of product in 10 steps with 1 reset in 1 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-01b-LTLFireability-01 finished in 16231 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)&&F(G(p1)))))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Graph (trivial) has 93 edges and 106 vertex of which 4 / 106 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 42 transitions
Trivial Post-agglo rules discarded 42 transitions
Performed 42 trivial Post agglomeration. Transition count delta: 42
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 103 transition count 73
Reduce places removed 42 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 1 with 55 rules applied. Total rules applied 98 place count 61 transition count 60
Reduce places removed 7 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 9 rules applied. Total rules applied 107 place count 54 transition count 58
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 109 place count 52 transition count 58
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 6 Pre rules applied. Total rules applied 109 place count 52 transition count 52
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 121 place count 46 transition count 52
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 127 place count 40 transition count 46
Iterating global reduction 4 with 6 rules applied. Total rules applied 133 place count 40 transition count 46
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 137 place count 40 transition count 42
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 137 place count 40 transition count 41
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 139 place count 39 transition count 41
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 140 place count 38 transition count 40
Iterating global reduction 5 with 1 rules applied. Total rules applied 141 place count 38 transition count 40
Performed 14 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 169 place count 24 transition count 25
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 170 place count 23 transition count 23
Iterating global reduction 5 with 1 rules applied. Total rules applied 171 place count 23 transition count 23
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 173 place count 21 transition count 21
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 174 place count 20 transition count 21
Applied a total of 174 rules in 19 ms. Remains 20 /106 variables (removed 86) and now considering 21/118 (removed 97) transitions.
// Phase 1: matrix 21 rows 20 cols
[2025-05-30 23:19:42] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:42] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-05-30 23:19:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:19:42] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [14, 18]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 55 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 18/106 places, 21/118 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 20
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 20
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 19
Applied a total of 4 rules in 2 ms. Remains 16 /18 variables (removed 2) and now considering 19/21 (removed 2) transitions.
// Phase 1: matrix 19 rows 16 cols
[2025-05-30 23:19:42] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:42] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-05-30 23:19:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:19:42] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/106 places, 19/118 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 129 ms. Remains : 16/106 places, 19/118 transitions.
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-02
Stuttering criterion allowed to conclude after 11 steps with 1 reset in 0 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-01b-LTLFireability-02 finished in 271 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||(G(p1) U (p2||X((X(p3) U (p2&&X(p3))))))))))'
Support contains 4 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 98 transition count 110
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 98 transition count 110
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 96 transition count 108
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 96 transition count 108
Applied a total of 20 rules in 9 ms. Remains 96 /106 variables (removed 10) and now considering 108/118 (removed 10) transitions.
// Phase 1: matrix 108 rows 96 cols
[2025-05-30 23:19:43] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:43] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-05-30 23:19:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:19:43] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Running 107 sub problems to find dead transitions.
[2025-05-30 23:19:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:43] [INFO ] Deduced a trap composed of 14 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 23:19:43] [INFO ] Deduced a trap composed of 13 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 23:19:43] [INFO ] Deduced a trap composed of 14 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 23:19:43] [INFO ] Deduced a trap composed of 39 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:44] [INFO ] Deduced a trap composed of 20 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 23:19:44] [INFO ] Deduced a trap composed of 20 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 23:19:44] [INFO ] Deduced a trap composed of 17 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 23:19:44] [INFO ] Deduced a trap composed of 31 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:44] [INFO ] Deduced a trap composed of 15 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 23:19:44] [INFO ] Deduced a trap composed of 27 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 23:19:44] [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 23:19:44] [INFO ] Deduced a trap composed of 22 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 23:19:44] [INFO ] Deduced a trap composed of 31 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:44] [INFO ] Deduced a trap composed of 11 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 23:19:44] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:44] [INFO ] Deduced a trap composed of 6 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 23:19:44] [INFO ] Deduced a trap composed of 7 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 23:19:44] [INFO ] Deduced a trap composed of 21 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:44] [INFO ] Deduced a trap composed of 27 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 23:19:44] [INFO ] Deduced a trap composed of 29 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:44] [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 23:19:45] [INFO ] Deduced a trap composed of 6 places in 42 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:45] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:45] [INFO ] Deduced a trap composed of 32 places in 43 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:46] [INFO ] Deduced a trap composed of 23 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 23:19:46] [INFO ] Deduced a trap composed of 25 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 23:19:46] [INFO ] Deduced a trap composed of 32 places in 35 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (OVERLAPS) 108/204 variables, 96/129 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:47] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/204 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/204 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 11 (OVERLAPS) 0/204 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 130 constraints, problems are : Problem set: 0 solved, 107 unsolved in 6453 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 27/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/204 variables, 96/129 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 107/236 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:51] [INFO ] Deduced a trap along path composed of 4 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:51] [INFO ] Deduced a trap along path composed of 2 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 23:19:51] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 3/240 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:19:55] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/204 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 10 (OVERLAPS) 0/204 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 241 constraints, problems are : Problem set: 0 solved, 107 unsolved in 15311 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 21773ms problems are : Problem set: 0 solved, 107 unsolved
Search for dead transitions found 0 dead transitions in 21774ms
Starting structural reductions in LTL mode, iteration 1 : 96/106 places, 108/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 21885 ms. Remains : 96/106 places, 108/118 transitions.
Stuttering acceptance computed with spot in 350 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-03
Product exploration explored 100000 steps with 20008 reset in 159 ms.
Product exploration explored 100000 steps with 19934 reset in 170 ms.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT (OR (AND p0 (NOT p2)) (AND (NOT p2) p1)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (OR (AND p0 (NOT p2)) (AND (NOT p2) p1))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 22 factoid took 672 ms. Reduced automaton from 7 states, 33 edges and 4 AP (stutter sensitive) to 7 states, 33 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 340 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (15 resets) in 508 ms. (78 steps per ms) remains 3/13 properties
BEST_FIRST walk for 40000 steps (13 resets) in 143 ms. (277 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (12 resets) in 102 ms. (388 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (18 resets) in 102 ms. (388 steps per ms) remains 3/3 properties
[2025-05-30 23:20:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf3 is UNSAT
Problem apf9 is UNSAT
At refinement iteration 1 (OVERLAPS) 50/54 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:06] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 3 ms to minimize.
Problem apf1 is UNSAT
After SMT solving in domain Real declared 54/204 variables, and 4 constraints, problems are : Problem set: 3 solved, 0 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 3/6 constraints, State Equation: 0/96 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT (OR (AND p0 (NOT p2)) (AND (NOT p2) p1)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (OR (AND p0 (NOT p2)) (AND (NOT p2) p1))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR p0 p2 (NOT p1) p3)), (G (OR (NOT p1) p3)), (G (OR (NOT p0) p2 (NOT p1)))]
False Knowledge obtained : [(F (NOT p3)), (F (NOT (OR p1 p3))), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (OR (NOT p0) p2 p1))), (F p1), (F (NOT (AND (OR (NOT p0) p2) (OR p2 (NOT p1))))), (F p2), (F (NOT (OR p0 p2 p1 p3))), (F p0), (F (NOT (AND (NOT p0) (NOT p2) (NOT p1))))]
Knowledge based reduction with 25 factoid took 578 ms. Reduced automaton from 7 states, 33 edges and 4 AP (stutter sensitive) to 5 states, 17 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 251 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))]
Stuttering acceptance computed with spot in 245 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))]
[2025-05-30 23:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:20:08] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:20:08] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-05-30 23:20:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:20:08] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:20:08] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:08] [INFO ] Deduced a trap composed of 39 places in 37 ms of which 3 ms to minimize.
[2025-05-30 23:20:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2025-05-30 23:20:08] [INFO ] Computed and/alt/rep : 105/207/105 causal constraints (skipped 2 transitions) in 5 ms.
[2025-05-30 23:20:08] [INFO ] Added : 95 causal constraints over 20 iterations in 197 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 4 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 108/108 transitions.
Applied a total of 0 rules in 2 ms. Remains 96 /96 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2025-05-30 23:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:08] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-05-30 23:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:08] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
Running 107 sub problems to find dead transitions.
[2025-05-30 23:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:09] [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 23:20:09] [INFO ] Deduced a trap composed of 13 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 23:20:09] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:09] [INFO ] Deduced a trap composed of 39 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:09] [INFO ] Deduced a trap composed of 20 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 23:20:09] [INFO ] Deduced a trap composed of 20 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 23:20:09] [INFO ] Deduced a trap composed of 17 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 23:20:09] [INFO ] Deduced a trap composed of 31 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 23:20:09] [INFO ] Deduced a trap composed of 15 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 23:20:09] [INFO ] Deduced a trap composed of 27 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 23:20:09] [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 23:20:09] [INFO ] Deduced a trap composed of 22 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 23:20:09] [INFO ] Deduced a trap composed of 31 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:09] [INFO ] Deduced a trap composed of 11 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 23:20:09] [INFO ] Deduced a trap composed of 14 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 23:20:10] [INFO ] Deduced a trap composed of 6 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 23:20:10] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:10] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:10] [INFO ] Deduced a trap composed of 27 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 23:20:10] [INFO ] Deduced a trap composed of 29 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 23:20:10] [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 23:20:10] [INFO ] Deduced a trap composed of 6 places in 39 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:11] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:11] [INFO ] Deduced a trap composed of 32 places in 40 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:11] [INFO ] Deduced a trap composed of 23 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 23:20:11] [INFO ] Deduced a trap composed of 25 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 23:20:11] [INFO ] Deduced a trap composed of 32 places in 32 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (OVERLAPS) 108/204 variables, 96/129 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:12] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/204 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/204 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 11 (OVERLAPS) 0/204 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 130 constraints, problems are : Problem set: 0 solved, 107 unsolved in 6457 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 27/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/204 variables, 96/129 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 107/236 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:17] [INFO ] Deduced a trap along path composed of 4 places in 45 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:17] [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 23:20:17] [INFO ] Deduced a trap along path composed of 2 places in 34 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 3/240 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:20] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/204 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 10 (OVERLAPS) 0/204 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 241 constraints, problems are : Problem set: 0 solved, 107 unsolved in 15605 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 22072ms problems are : Problem set: 0 solved, 107 unsolved
Search for dead transitions found 0 dead transitions in 22073ms
Finished structural reductions in LTL mode , in 1 iterations and 22196 ms. Remains : 96/96 places, 108/108 transitions.
Computed a total of 24 stabilizing places and 24 stable transitions
Computed a total of 24 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2) p3), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT (OR (AND p0 (NOT p2)) (AND p1 (NOT p2))))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (OR (AND p0 (NOT p2)) (AND p1 (NOT p2)))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 178 ms. Reduced automaton from 5 states, 17 edges and 4 AP (stutter sensitive) to 5 states, 17 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 241 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))]
RANDOM walk for 40000 steps (12 resets) in 91 ms. (434 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2) p3), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT (OR (AND p0 (NOT p2)) (AND p1 (NOT p2))))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (OR (AND p0 (NOT p2)) (AND p1 (NOT p2)))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (F (NOT p3)), (F (NOT (OR p2 (NOT p0)))), (F (NOT (AND (OR (NOT p1) p2) (OR p2 (NOT p0))))), (F p2), (F (NOT (OR (NOT p1) p2))), (F (NOT (OR p2 p0 p3))), (F p1), (F p0)]
Knowledge based reduction with 17 factoid took 465 ms. Reduced automaton from 5 states, 17 edges and 4 AP (stutter sensitive) to 5 states, 17 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 270 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))]
Stuttering acceptance computed with spot in 243 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))]
[2025-05-30 23:20:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:20:32] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:20:32] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-05-30 23:20:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:20:32] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:20:32] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:32] [INFO ] Deduced a trap composed of 39 places in 49 ms of which 2 ms to minimize.
[2025-05-30 23:20:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2025-05-30 23:20:32] [INFO ] Computed and/alt/rep : 105/207/105 causal constraints (skipped 2 transitions) in 5 ms.
[2025-05-30 23:20:32] [INFO ] Added : 95 causal constraints over 20 iterations in 201 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 270 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))]
Product exploration explored 100000 steps with 19956 reset in 89 ms.
Product exploration explored 100000 steps with 20043 reset in 96 ms.
Built C files in :
/tmp/ltsmin580561332964630505
[2025-05-30 23:20:33] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin580561332964630505
Running compilation step : cd /tmp/ltsmin580561332964630505;'/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 195 ms.
Running link step : cd /tmp/ltsmin580561332964630505;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin580561332964630505;'/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/stateBased6146935041648409766.hoa' '--buchi-type=spotba'
LTSmin run took 192 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-03 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-01b-LTLFireability-03 finished in 50707 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Graph (trivial) has 97 edges and 106 vertex of which 4 / 106 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 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 0 with 45 rules applied. Total rules applied 46 place count 103 transition count 70
Reduce places removed 45 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 1 with 58 rules applied. Total rules applied 104 place count 58 transition count 57
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 51 transition count 57
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 111 place count 51 transition count 51
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 123 place count 45 transition count 51
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 129 place count 39 transition count 45
Iterating global reduction 3 with 6 rules applied. Total rules applied 135 place count 39 transition count 45
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 139 place count 39 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 139 place count 39 transition count 40
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 141 place count 38 transition count 40
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 143 place count 36 transition count 38
Iterating global reduction 4 with 2 rules applied. Total rules applied 145 place count 36 transition count 38
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 147 place count 36 transition count 36
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 148 place count 35 transition count 36
Performed 15 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 6 with 30 rules applied. Total rules applied 178 place count 20 transition count 20
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 179 place count 19 transition count 18
Iterating global reduction 6 with 1 rules applied. Total rules applied 180 place count 19 transition count 18
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 182 place count 17 transition count 16
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 183 place count 16 transition count 16
Applied a total of 183 rules in 15 ms. Remains 16 /106 variables (removed 90) and now considering 16/118 (removed 102) transitions.
// Phase 1: matrix 16 rows 16 cols
[2025-05-30 23:20:33] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:33] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-05-30 23:20:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:20:33] [INFO ] Implicit Places using invariants and state equation in 38 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 64 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/106 places, 16/118 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 14 transition count 15
Applied a total of 2 rules in 1 ms. Remains 14 /15 variables (removed 1) and now considering 15/16 (removed 1) transitions.
// Phase 1: matrix 15 rows 14 cols
[2025-05-30 23:20:33] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:33] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-05-30 23:20:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:33] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 23:20:33] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/106 places, 15/118 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 132 ms. Remains : 14/106 places, 15/118 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-04
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-01b-LTLFireability-04 finished in 185 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U (p1||G(!p0))) U (X(!p2)&&F(p3))))'
Support contains 7 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 97 transition count 109
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 97 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 97 transition count 105
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 95 transition count 103
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 95 transition count 103
Applied a total of 26 rules in 5 ms. Remains 95 /106 variables (removed 11) and now considering 103/118 (removed 15) transitions.
// Phase 1: matrix 103 rows 95 cols
[2025-05-30 23:20:33] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:33] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-30 23:20:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:20:34] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-05-30 23:20:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:34] [INFO ] Deduced a trap composed of 13 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 23:20:34] [INFO ] Deduced a trap composed of 13 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 23:20:34] [INFO ] Deduced a trap composed of 14 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 23:20:34] [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 23:20:34] [INFO ] Deduced a trap composed of 16 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 23:20:34] [INFO ] Deduced a trap composed of 31 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:34] [INFO ] Deduced a trap composed of 19 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 23:20:34] [INFO ] Deduced a trap composed of 14 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 23:20:35] [INFO ] Deduced a trap composed of 21 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 23:20:35] [INFO ] Deduced a trap composed of 20 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 23:20:35] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:35] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:35] [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 23:20:35] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:35] [INFO ] Deduced a trap composed of 29 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 23:20:35] [INFO ] Deduced a trap composed of 29 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 23:20:35] [INFO ] Deduced a trap composed of 32 places in 42 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:36] [INFO ] Deduced a trap composed of 20 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 23:20:36] [INFO ] Deduced a trap composed of 32 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 23:20:36] [INFO ] Deduced a trap composed of 33 places in 46 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:36] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 103/198 variables, 95/122 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:37] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 10 (OVERLAPS) 0/198 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 123 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5662 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 21/27 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:39] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:40] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/198 variables, 95/124 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 102/226 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:40] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:42] [INFO ] Deduced a trap along path composed of 2 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:42] [INFO ] Deduced a trap along path composed of 10 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 23:20:43] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:44] [INFO ] Deduced a trap along path composed of 7 places in 35 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/198 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:20:51] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/198 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/198 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 14 (OVERLAPS) 0/198 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 233 constraints, problems are : Problem set: 0 solved, 102 unsolved in 23075 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 28757ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 28757ms
Starting structural reductions in LTL mode, iteration 1 : 95/106 places, 103/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 28866 ms. Remains : 95/106 places, 103/118 transitions.
Stuttering acceptance computed with spot in 282 ms :[(OR (NOT p3) p2), p2, (NOT p3), (AND (NOT p1) p0 p2), p2, true, (AND (NOT p1) p0)]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-05
Product exploration explored 100000 steps with 9707 reset in 72 ms.
Product exploration explored 100000 steps with 9620 reset in 72 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Detected a total of 23/95 stabilizing places and 23/103 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0) (NOT p3) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p1) p0 p2))), (X (NOT (AND (NOT p1) (NOT p0) p2))), (X (NOT (OR (AND p1 p2) (AND (NOT p0) p2)))), (X (NOT (AND (NOT p3) p2))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p1) p0 p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) p2)))), (X (X (NOT (OR (AND p1 p2) (AND (NOT p0) p2))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 20 factoid took 148 ms. Reduced automaton from 7 states, 15 edges and 4 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p3), (NOT p3)]
RANDOM walk for 77 steps (0 resets) in 4 ms. (15 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p1 (NOT p0) (NOT p3) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p1) p0 p2))), (X (NOT (AND (NOT p1) (NOT p0) p2))), (X (NOT (OR (AND p1 p2) (AND (NOT p0) p2)))), (X (NOT (AND (NOT p3) p2))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p1) p0 p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) p2)))), (X (X (NOT (OR (AND p1 p2) (AND (NOT p0) p2))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(F p3)]
Knowledge based reduction with 20 factoid took 167 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(NOT p3), (NOT p3)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p3), (NOT p3)]
[2025-05-30 23:21:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:21:03] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:21:03] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-05-30 23:21:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:21:03] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-05-30 23:21:03] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-05-30 23:21:03] [INFO ] Computed and/alt/rep : 102/175/102 causal constraints (skipped 0 transitions) in 6 ms.
[2025-05-30 23:21:04] [INFO ] Added : 87 causal constraints over 19 iterations in 190 ms. Result :sat
Could not prove EG (NOT p3)
Support contains 1 out of 95 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 103/103 transitions.
Graph (trivial) has 79 edges and 95 vertex of which 4 / 95 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 29 transitions
Trivial Post-agglo rules discarded 29 transitions
Performed 29 trivial Post agglomeration. Transition count delta: 29
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 92 transition count 71
Reduce places removed 29 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 36 rules applied. Total rules applied 66 place count 63 transition count 64
Reduce places removed 4 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 6 rules applied. Total rules applied 72 place count 59 transition count 62
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 74 place count 57 transition count 62
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 10 Pre rules applied. Total rules applied 74 place count 57 transition count 52
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 94 place count 47 transition count 52
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 95 place count 46 transition count 51
Iterating global reduction 4 with 1 rules applied. Total rules applied 96 place count 46 transition count 51
Performed 14 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 124 place count 32 transition count 36
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 125 place count 32 transition count 35
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 127 place count 30 transition count 33
Iterating global reduction 5 with 2 rules applied. Total rules applied 129 place count 30 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 5 with 4 rules applied. Total rules applied 133 place count 28 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
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 135 place count 27 transition count 31
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 136 place count 27 transition count 30
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 138 place count 27 transition count 30
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 139 place count 26 transition count 29
Applied a total of 139 rules in 13 ms. Remains 26 /95 variables (removed 69) and now considering 29/103 (removed 74) transitions.
// Phase 1: matrix 29 rows 26 cols
[2025-05-30 23:21:04] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:04] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-05-30 23:21:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:04] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:21:04] [INFO ] Implicit Places using invariants and state equation in 34 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 57 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 25/95 places, 29/103 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 24 transition count 28
Applied a total of 2 rules in 1 ms. Remains 24 /25 variables (removed 1) and now considering 28/29 (removed 1) transitions.
// Phase 1: matrix 28 rows 24 cols
[2025-05-30 23:21:04] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:04] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 23:21:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 23:21:04] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 24/95 places, 28/103 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 120 ms. Remains : 24/95 places, 28/103 transitions.
Computed a total of 4 stabilizing places and 3 stable transitions
Computed a total of 4 stabilizing places and 3 stable transitions
Detected a total of 4/24 stabilizing places and 3/28 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p3), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (NOT p3)), (X p3), (X (X (NOT p3))), (X (X p3))]
Knowledge based reduction with 2 factoid took 170 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p3), (NOT p3)]
RANDOM walk for 17 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p3), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (NOT p3)), (X p3), (X (X (NOT p3))), (X (X p3)), (F p3)]
Knowledge based reduction with 2 factoid took 197 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p3), (NOT p3)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p3), (NOT p3)]
[2025-05-30 23:21:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:21:04] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-30 23:21:04] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-05-30 23:21:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:21:04] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-05-30 23:21:04] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-05-30 23:21:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 23:21:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2025-05-30 23:21:04] [INFO ] Computed and/alt/rep : 16/30/16 causal constraints (skipped 5 transitions) in 1 ms.
[2025-05-30 23:21:04] [INFO ] Added : 4 causal constraints over 2 iterations in 8 ms. Result :sat
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 71 ms :[(NOT p3), (NOT p3)]
Product exploration explored 100000 steps with 24259 reset in 65 ms.
Product exploration explored 100000 steps with 24246 reset in 69 ms.
Built C files in :
/tmp/ltsmin11942084973671623224
[2025-05-30 23:21:05] [INFO ] Computing symmetric may disable matrix : 28 transitions.
[2025-05-30 23:21:05] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:21:05] [INFO ] Computing symmetric may enable matrix : 28 transitions.
[2025-05-30 23:21:05] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:21:05] [INFO ] Computing Do-Not-Accords matrix : 28 transitions.
[2025-05-30 23:21:05] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:21:05] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11942084973671623224
Running compilation step : cd /tmp/ltsmin11942084973671623224;'/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 111 ms.
Running link step : cd /tmp/ltsmin11942084973671623224;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin11942084973671623224;'/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/stateBased3574246403390322712.hoa' '--buchi-type=spotba'
LTSmin run took 45 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-05 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-01b-LTLFireability-05 finished in 31500 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X((p0||G(p1)||(p2&&X(p3))))))))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 97 transition count 109
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 97 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 97 transition count 105
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 96 transition count 104
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 96 transition count 104
Applied a total of 24 rules in 2 ms. Remains 96 /106 variables (removed 10) and now considering 104/118 (removed 14) transitions.
// Phase 1: matrix 104 rows 96 cols
[2025-05-30 23:21:05] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:05] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 23:21:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:05] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Running 103 sub problems to find dead transitions.
[2025-05-30 23:21:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:06] [INFO ] Deduced a trap composed of 13 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 23:21:06] [INFO ] Deduced a trap composed of 13 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 23:21:06] [INFO ] Deduced a trap composed of 41 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 23:21:06] [INFO ] Deduced a trap composed of 19 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 23:21:06] [INFO ] Deduced a trap composed of 14 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 23:21:06] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:06] [INFO ] Deduced a trap composed of 15 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 23:21:06] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:06] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:06] [INFO ] Deduced a trap composed of 24 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 23:21:06] [INFO ] Deduced a trap composed of 27 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 23:21:06] [INFO ] Deduced a trap composed of 31 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 23:21:06] [INFO ] Deduced a trap composed of 32 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 23:21:06] [INFO ] Deduced a trap composed of 14 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 23:21:06] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (OVERLAPS) 104/200 variables, 96/117 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:07] [INFO ] Deduced a trap composed of 31 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 23:21:07] [INFO ] Deduced a trap composed of 31 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:07] [INFO ] Deduced a trap composed of 5 places in 43 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 3/120 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:08] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 8 (OVERLAPS) 0/200 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 121 constraints, problems are : Problem set: 0 solved, 103 unsolved in 4955 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:10] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (OVERLAPS) 104/200 variables, 96/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 103/224 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:12] [INFO ] Deduced a trap along path composed of 5 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:12] [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 23:21:12] [INFO ] Deduced a trap along path composed of 2 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:12] [INFO ] Deduced a trap along path composed of 7 places in 31 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/200 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 10 (OVERLAPS) 0/200 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 229 constraints, problems are : Problem set: 0 solved, 103 unsolved in 7602 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 12563ms problems are : Problem set: 0 solved, 103 unsolved
Search for dead transitions found 0 dead transitions in 12564ms
Starting structural reductions in LTL mode, iteration 1 : 96/106 places, 104/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12668 ms. Remains : 96/106 places, 104/118 transitions.
Stuttering acceptance computed with spot in 369 ms :[true, (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2)))]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-07
Product exploration explored 100000 steps with 20000 reset in 61 ms.
Product exploration explored 100000 steps with 20000 reset in 62 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND (NOT p3) p0 (NOT p1) (NOT p2))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 100 ms. Reduced automaton from 9 states, 14 edges and 4 AP (stutter sensitive) to 9 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 374 ms :[true, (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2)))]
RANDOM walk for 40000 steps (13 resets) in 118 ms. (336 steps per ms) remains 7/10 properties
BEST_FIRST walk for 40000 steps (39 resets) in 101 ms. (392 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40001 steps (10 resets) in 51 ms. (769 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40000 steps (12 resets) in 90 ms. (439 steps per ms) remains 2/2 properties
[2025-05-30 23:21:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 47/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 47/96 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 104/200 variables, 96/102 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 102 constraints, problems are : Problem set: 0 solved, 2 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf3 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Int declared 49/200 variables, and 2 constraints, problems are : Problem set: 2 solved, 0 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 2/6 constraints, State Equation: 0/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p3) p0 (NOT p1) (NOT p2)), (G (OR p0 p1 (NOT p2))), (G (OR p0 p1 p2))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p1) p3))), (F p2), (F p3), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT p0)), (F (NOT (OR p0 (NOT p1) p2))), (F p1)]
Knowledge based reduction with 3 factoid took 279 ms. Reduced automaton from 9 states, 14 edges and 4 AP (stutter sensitive) to 8 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 295 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Stuttering acceptance computed with spot in 293 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Support contains 3 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 104/104 transitions.
Applied a total of 0 rules in 2 ms. Remains 96 /96 variables (removed 0) and now considering 104/104 (removed 0) transitions.
[2025-05-30 23:21:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:20] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 23:21:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:20] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Running 103 sub problems to find dead transitions.
[2025-05-30 23:21:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:20] [INFO ] Deduced a trap composed of 13 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 23:21:20] [INFO ] Deduced a trap composed of 13 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 23:21:21] [INFO ] Deduced a trap composed of 41 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 23:21:21] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:21] [INFO ] Deduced a trap composed of 14 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 23:21:21] [INFO ] Deduced a trap composed of 20 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 23:21:21] [INFO ] Deduced a trap composed of 15 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 23:21:21] [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 23:21:21] [INFO ] Deduced a trap composed of 21 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 23:21:21] [INFO ] Deduced a trap composed of 24 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 23:21:21] [INFO ] Deduced a trap composed of 27 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 23:21:21] [INFO ] Deduced a trap composed of 31 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 23:21:21] [INFO ] Deduced a trap composed of 32 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 23:21:21] [INFO ] Deduced a trap composed of 14 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 23:21:21] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (OVERLAPS) 104/200 variables, 96/117 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:22] [INFO ] Deduced a trap composed of 31 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 23:21:22] [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 23:21:22] [INFO ] Deduced a trap composed of 5 places in 44 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 3/120 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:23] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 8 (OVERLAPS) 0/200 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 121 constraints, problems are : Problem set: 0 solved, 103 unsolved in 4957 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/96 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:25] [INFO ] Deduced a trap composed of 21 places in 71 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (OVERLAPS) 104/200 variables, 96/121 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 103/224 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:27] [INFO ] Deduced a trap along path composed of 5 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:27] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:27] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:27] [INFO ] Deduced a trap along path composed of 7 places in 43 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/200 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 10 (OVERLAPS) 0/200 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 229 constraints, problems are : Problem set: 0 solved, 103 unsolved in 7634 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 12600ms problems are : Problem set: 0 solved, 103 unsolved
Search for dead transitions found 0 dead transitions in 12600ms
Finished structural reductions in LTL mode , in 1 iterations and 12695 ms. Remains : 96/96 places, 104/104 transitions.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) (NOT p3))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 107 ms. Reduced automaton from 8 states, 11 edges and 4 AP (stutter sensitive) to 8 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 341 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
RANDOM walk for 40000 steps (13 resets) in 136 ms. (291 steps per ms) remains 5/8 properties
BEST_FIRST walk for 40000 steps (15 resets) in 124 ms. (320 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (15 resets) in 156 ms. (254 steps per ms) remains 1/5 properties
[2025-05-30 23:21:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/96 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 104/200 variables, 96/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/200 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 200/200 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 47/96 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:33] [INFO ] Deduced a trap composed of 5 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 23:21:33] [INFO ] Deduced a trap composed of 21 places in 28 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 104/200 variables, 96/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/200 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 200/200 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 169 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 227ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3720 steps, including 66 resets, run visited all 1 properties in 10 ms. (steps per millisecond=372 )
Parikh walk visited 1 properties in 13 ms.
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) (NOT p3))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) p3))), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT p0)), (F (NOT (OR p0 (NOT p2)))), (F p2), (F (NOT (OR p0 p2))), (F p3), (F p1)]
Knowledge based reduction with 1 factoid took 239 ms. Reduced automaton from 8 states, 11 edges and 4 AP (stutter sensitive) to 8 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 327 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Stuttering acceptance computed with spot in 338 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Stuttering acceptance computed with spot in 366 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Product exploration explored 100000 steps with 20000 reset in 61 ms.
Product exploration explored 100000 steps with 20000 reset in 65 ms.
Applying partial POR strategy [true, false, true, true, false, false, false, false]
Stuttering acceptance computed with spot in 355 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Support contains 3 out of 96 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 96/96 places, 104/104 transitions.
Graph (trivial) has 84 edges and 96 vertex of which 2 / 96 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 36 rules applied. Total rules applied 37 place count 95 transition count 103
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 42 place count 95 transition count 98
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 42 place count 95 transition count 99
Deduced a syphon composed of 48 places in 0 ms
Iterating global reduction 2 with 12 rules applied. Total rules applied 54 place count 95 transition count 99
Discarding 29 places :
Symmetric choice reduction at 2 with 29 rule applications. Total rules 83 place count 66 transition count 70
Deduced a syphon composed of 19 places in 0 ms
Iterating global reduction 2 with 29 rules applied. Total rules applied 112 place count 66 transition count 70
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 38 places in 0 ms
Iterating global reduction 2 with 19 rules applied. Total rules applied 131 place count 66 transition count 72
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 133 place count 66 transition count 70
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 146 place count 53 transition count 56
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 3 with 13 rules applied. Total rules applied 159 place count 53 transition count 56
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 161 place count 53 transition count 54
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 162 place count 52 transition count 53
Deduced a syphon composed of 26 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 163 place count 52 transition count 53
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 164 place count 52 transition count 53
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 166 place count 50 transition count 51
Deduced a syphon composed of 25 places in 0 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 168 place count 50 transition count 51
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 28 places in 0 ms
Iterating global reduction 4 with 3 rules applied. Total rules applied 171 place count 50 transition count 63
Deduced a syphon composed of 28 places in 0 ms
Applied a total of 171 rules in 13 ms. Remains 50 /96 variables (removed 46) and now considering 63/104 (removed 41) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:21:35] [INFO ] Redundant transitions in 1 ms returned []
Running 62 sub problems to find dead transitions.
// Phase 1: matrix 63 rows 50 cols
[2025-05-30 23:21:35] [INFO ] Computed 6 invariants in 0 ms
[2025-05-30 23:21:35] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (OVERLAPS) 1/50 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:35] [INFO ] Deduced a trap composed of 3 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 23:21:35] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:36] [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 23:21:36] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
Problem TDEAD4 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:36] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:36] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:36] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 2 ms to minimize.
Problem TDEAD17 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD24 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:36] [INFO ] Deduced a trap composed of 2 places in 28 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 TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:36] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 2 ms to minimize.
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 9/15 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/15 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 4 (OVERLAPS) 62/112 variables, 50/65 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 15/80 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/112 variables, 0/80 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 1/113 variables, 1/81 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/113 variables, 0/81 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 9 (OVERLAPS) 0/113 variables, 0/81 constraints. Problems are: Problem set: 41 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 113/113 variables, and 81 constraints, problems are : Problem set: 41 solved, 21 unsolved in 1041 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 50/50 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 41 solved, 21 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 29/50 variables, 6/6 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 9/15 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/15 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 4 (OVERLAPS) 62/112 variables, 50/65 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 15/80 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/112 variables, 21/101 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/112 variables, 0/101 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 1/113 variables, 1/102 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/113 variables, 0/102 constraints. Problems are: Problem set: 41 solved, 21 unsolved
At refinement iteration 10 (OVERLAPS) 0/113 variables, 0/102 constraints. Problems are: Problem set: 41 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Int declared 113/113 variables, and 102 constraints, problems are : Problem set: 41 solved, 21 unsolved in 976 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 50/50 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 21/62 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2023ms problems are : Problem set: 41 solved, 21 unsolved
Search for dead transitions found 41 dead transitions in 2024ms
Found 41 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 41 transitions
Dead transitions reduction (with SMT) removed 41 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 50/96 places, 22/104 transitions.
Graph (complete) has 83 edges and 50 vertex of which 22 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.0 ms
Discarding 28 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 22 /50 variables (removed 28) and now considering 22/22 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 22/96 places, 22/104 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2048 ms. Remains : 22/96 places, 22/104 transitions.
Built C files in :
/tmp/ltsmin10704495587170936367
[2025-05-30 23:21:37] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10704495587170936367
Running compilation step : cd /tmp/ltsmin10704495587170936367;'/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 174 ms.
Running link step : cd /tmp/ltsmin10704495587170936367;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin10704495587170936367;'/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/stateBased11055061908990878285.hoa' '--buchi-type=spotba'
LTSmin run took 122 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-07 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-01b-LTLFireability-07 finished in 32648 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(X(X((p1||G(p2)))))) U p3)))'
Support contains 4 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 97 transition count 109
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 97 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 97 transition count 105
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 95 transition count 103
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 95 transition count 103
Applied a total of 26 rules in 4 ms. Remains 95 /106 variables (removed 11) and now considering 103/118 (removed 15) transitions.
// Phase 1: matrix 103 rows 95 cols
[2025-05-30 23:21:38] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:38] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-30 23:21:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:21:38] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-05-30 23:21:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:38] [INFO ] Deduced a trap composed of 13 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 23:21:38] [INFO ] Deduced a trap composed of 13 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 23:21:38] [INFO ] Deduced a trap composed of 19 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 23:21:38] [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 23:21:39] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:39] [INFO ] Deduced a trap composed of 21 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 23:21:39] [INFO ] Deduced a trap composed of 22 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 23:21:39] [INFO ] Deduced a trap composed of 31 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:39] [INFO ] Deduced a trap composed of 15 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 23:21:39] [INFO ] Deduced a trap composed of 23 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 23:21:39] [INFO ] Deduced a trap composed of 32 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 23:21:39] [INFO ] Deduced a trap composed of 16 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 23:21:39] [INFO ] Deduced a trap composed of 24 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 23:21:39] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 14/20 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:39] [INFO ] Deduced a trap composed of 40 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:39] [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 23:21:39] [INFO ] Deduced a trap composed of 13 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 23:21:39] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/198 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:40] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:41] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/198 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 121 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5106 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 19/25 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 103/198 variables, 95/120 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 102/222 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:44] [INFO ] Deduced a trap composed of 27 places in 33 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:45] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:45] [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 23:21:46] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:48] [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 23:21:48] [INFO ] Deduced a trap along path composed of 10 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 2/229 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (OVERLAPS) 0/198 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 229 constraints, problems are : Problem set: 0 solved, 102 unsolved in 12475 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 17599ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 17599ms
Starting structural reductions in LTL mode, iteration 1 : 95/106 places, 103/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17703 ms. Remains : 95/106 places, 103/118 transitions.
Stuttering acceptance computed with spot in 538 ms :[(NOT p3), (NOT p3), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true, (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-08
Product exploration explored 100000 steps with 16686 reset in 73 ms.
Product exploration explored 100000 steps with 16603 reset in 76 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Detected a total of 23/95 stabilizing places and 23/103 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p3) (NOT p0) p1 (NOT p2)), (X (NOT (AND (NOT p3) p0))), (X (NOT p3)), (X (AND (NOT p3) (NOT p0))), (X (NOT p0)), (X (X (NOT (AND (NOT p3) p0)))), (X (X (NOT p3))), (X (X (AND (NOT p3) (NOT p0)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 155 ms. Reduced automaton from 13 states, 21 edges and 4 AP (stutter sensitive) to 13 states, 21 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 543 ms :[(NOT p3), (NOT p3), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true, (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (15 resets) in 170 ms. (233 steps per ms) remains 3/11 properties
BEST_FIRST walk for 40001 steps (13 resets) in 93 ms. (425 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40000 steps (14 resets) in 74 ms. (533 steps per ms) remains 2/2 properties
[2025-05-30 23:21:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 72/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:57] [INFO ] Deduced a trap composed of 27 places in 53 ms of which 5 ms to minimize.
Problem apf2 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 20/95 variables, 3/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:57] [INFO ] Deduced a trap composed of 5 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:57] [INFO ] Deduced a trap composed of 27 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:57] [INFO ] Deduced a trap composed of 14 places in 47 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 3/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/198 variables, 95/105 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:57] [INFO ] Deduced a trap composed of 22 places in 56 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 1/106 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:21:57] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 1/107 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/107 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/198 variables, 0/107 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 107 constraints, problems are : Problem set: 1 solved, 1 unsolved in 381 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 72/75 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 20/95 variables, 3/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 4/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/198 variables, 95/106 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 1/107 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 1/108 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/108 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/198 variables, 0/108 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 108 constraints, problems are : Problem set: 1 solved, 1 unsolved in 98 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 483ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 3 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 103/103 transitions.
Graph (trivial) has 80 edges and 95 vertex of which 4 / 95 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 167 edges and 93 vertex of which 91 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 0 with 35 rules applied. Total rules applied 37 place count 91 transition count 64
Reduce places removed 34 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 44 rules applied. Total rules applied 81 place count 57 transition count 54
Reduce places removed 5 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 7 rules applied. Total rules applied 88 place count 52 transition count 52
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 90 place count 50 transition count 52
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 9 Pre rules applied. Total rules applied 90 place count 50 transition count 43
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 108 place count 41 transition count 43
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 4 with 34 rules applied. Total rules applied 142 place count 24 transition count 26
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 143 place count 24 transition count 25
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 146 place count 21 transition count 21
Iterating global reduction 5 with 3 rules applied. Total rules applied 149 place count 21 transition count 21
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 150 place count 21 transition count 20
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 151 place count 21 transition count 19
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 153 place count 21 transition count 19
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 154 place count 20 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 155 place count 19 transition count 18
Applied a total of 155 rules in 7 ms. Remains 19 /95 variables (removed 76) and now considering 18/103 (removed 85) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 19/95 places, 18/103 transitions.
RANDOM walk for 40000 steps (2308 resets) in 326 ms. (122 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (1057 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Probably explored full state space saw : 80 states, properties seen :0
Probabilistic random walk after 218 steps, saw 80 distinct states, run finished after 9 ms. (steps per millisecond=24 ) properties seen :0
Explored full state space saw : 80 states, properties seen :0
Exhaustive walk after 218 steps, saw 80 distinct states, run finished after 2 ms. (steps per millisecond=109 ) properties seen :0
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p3) (NOT p0) p1 (NOT p2)), (X (NOT (AND (NOT p3) p0))), (X (NOT p3)), (X (AND (NOT p3) (NOT p0))), (X (NOT p0)), (X (X (NOT (AND (NOT p3) p0)))), (X (X (NOT p3))), (X (X (AND (NOT p3) (NOT p0)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (G (OR p1 p2 (NOT p0))), (G (OR p1 (NOT p2) (NOT p0)))]
False Knowledge obtained : [(F (NOT (OR p1 p2))), (F p3), (F (NOT (OR (NOT p0) p3))), (F p2), (F (NOT (OR p1 p0))), (F (NOT (AND (NOT p0) (NOT p3)))), (F (NOT p1)), (F (NOT (OR p1 (NOT p2)))), (F p0)]
Knowledge based reduction with 12 factoid took 514 ms. Reduced automaton from 13 states, 21 edges and 4 AP (stutter sensitive) to 13 states, 19 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 580 ms :[(NOT p3), (NOT p3), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true, (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Stuttering acceptance computed with spot in 555 ms :[(NOT p3), (NOT p3), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), true, (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
[2025-05-30 23:21:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 23:21:59] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned unsat
Proved EG (NOT p3)
Knowledge obtained : [(AND (NOT p3) (NOT p0) p1 (NOT p2)), (X (NOT (AND (NOT p3) p0))), (X (NOT p3)), (X (AND (NOT p3) (NOT p0))), (X (NOT p0)), (X (X (NOT (AND (NOT p3) p0)))), (X (X (NOT p3))), (X (X (AND (NOT p3) (NOT p0)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0)))), (G (OR p1 p2 (NOT p0))), (G (OR p1 (NOT p2) (NOT p0)))]
False Knowledge obtained : [(F (NOT (OR p1 p2))), (F p3), (F (NOT (OR (NOT p0) p3))), (F p2), (F (NOT (OR p1 p0))), (F (NOT (AND (NOT p0) (NOT p3)))), (F (NOT p1)), (F (NOT (OR p1 (NOT p2)))), (F p0), (G (NOT p3))]
Property proved to be false thanks to negative knowledge :(G (NOT p3))
Knowledge based reduction with 12 factoid took 563 ms. Reduced automaton from 13 states, 19 edges and 4 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA AutonomousCar-PT-01b-LTLFireability-08 FALSE TECHNIQUES KNOWLEDGE
Treatment of property AutonomousCar-PT-01b-LTLFireability-08 finished in 22233 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&(p1 U X(G(p1)))&&G(p2))))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 96 transition count 108
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 96 transition count 108
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 24 place count 96 transition count 104
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 94 transition count 102
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 94 transition count 102
Applied a total of 28 rules in 7 ms. Remains 94 /106 variables (removed 12) and now considering 102/118 (removed 16) transitions.
// Phase 1: matrix 102 rows 94 cols
[2025-05-30 23:22:00] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:22:00] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-05-30 23:22:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:22:00] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-05-30 23:22:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:01] [INFO ] Deduced a trap composed of 13 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 23:22:01] [INFO ] Deduced a trap composed of 13 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 23:22:01] [INFO ] Deduced a trap composed of 19 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 23:22:01] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:01] [INFO ] Deduced a trap composed of 29 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:01] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:01] [INFO ] Deduced a trap composed of 32 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:01] [INFO ] Deduced a trap composed of 31 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 23:22:01] [INFO ] Deduced a trap composed of 32 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 23:22:01] [INFO ] Deduced a trap composed of 14 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 23:22:01] [INFO ] Deduced a trap composed of 5 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 23:22:01] [INFO ] Deduced a trap composed of 14 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 23:22:01] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:01] [INFO ] Deduced a trap composed of 39 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:01] [INFO ] Deduced a trap composed of 21 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 23:22:01] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:03] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 117 constraints, problems are : Problem set: 0 solved, 101 unsolved in 4587 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 101/217 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:05] [INFO ] Deduced a trap composed of 21 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 23:22:05] [INFO ] Deduced a trap composed of 22 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 23:22:05] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:06] [INFO ] Deduced a trap composed of 27 places in 34 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:08] [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 23:22:08] [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 23:22:08] [INFO ] Deduced a trap along path composed of 2 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 23:22:08] [INFO ] Deduced a trap along path composed of 10 places in 28 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 4/226 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:10] [INFO ] Deduced a trap along path composed of 7 places in 30 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 227 constraints, problems are : Problem set: 0 solved, 101 unsolved in 17035 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21631ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 21634ms
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 102/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 21747 ms. Remains : 94/106 places, 102/118 transitions.
Stuttering acceptance computed with spot in 197 ms :[true, (OR (NOT p2) (NOT p1) (NOT p0)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-01b-LTLFireability-10 finished in 21968 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 (p2||(p2 U X(p3)))))'
Support contains 5 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 96 transition count 108
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 96 transition count 108
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 24 place count 96 transition count 104
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 94 transition count 102
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 94 transition count 102
Applied a total of 28 rules in 7 ms. Remains 94 /106 variables (removed 12) and now considering 102/118 (removed 16) transitions.
[2025-05-30 23:22:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:22:22] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-30 23:22:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:22:22] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-05-30 23:22:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:22] [INFO ] Deduced a trap composed of 13 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 23:22:23] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:23] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:23] [INFO ] Deduced a trap composed of 27 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 23:22:23] [INFO ] Deduced a trap composed of 29 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 23:22:23] [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 23:22:23] [INFO ] Deduced a trap composed of 32 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 23:22:23] [INFO ] Deduced a trap composed of 31 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 23:22:23] [INFO ] Deduced a trap composed of 32 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 23:22:23] [INFO ] Deduced a trap composed of 14 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 23:22:23] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:23] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:23] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:23] [INFO ] Deduced a trap composed of 39 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:23] [INFO ] Deduced a trap composed of 21 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 23:22:23] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:25] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 117 constraints, problems are : Problem set: 0 solved, 101 unsolved in 4331 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 101/217 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:27] [INFO ] Deduced a trap composed of 21 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 23:22:27] [INFO ] Deduced a trap composed of 22 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 23:22:27] [INFO ] Deduced a trap composed of 24 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:27] [INFO ] Deduced a trap composed of 27 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:29] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:29] [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 23:22:30] [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 23:22:30] [INFO ] Deduced a trap along path composed of 10 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 4/226 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:32] [INFO ] Deduced a trap along path composed of 7 places in 30 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 227 constraints, problems are : Problem set: 0 solved, 101 unsolved in 17062 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21405ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 21406ms
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 102/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 21507 ms. Remains : 94/106 places, 102/118 transitions.
Stuttering acceptance computed with spot in 262 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p0), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 54 ms.
Stuttering criterion allowed to conclude after 35 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-01b-LTLFireability-11 finished in 21848 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0&&X(p1)))&&X(!p2)))'
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 96 transition count 108
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 96 transition count 108
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 24 place count 96 transition count 104
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 94 transition count 102
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 94 transition count 102
Applied a total of 28 rules in 6 ms. Remains 94 /106 variables (removed 12) and now considering 102/118 (removed 16) transitions.
[2025-05-30 23:22:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:22:44] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-30 23:22:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:22:44] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-05-30 23:22:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:44] [INFO ] Deduced a trap composed of 13 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 23:22:44] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:44] [INFO ] Deduced a trap composed of 19 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 23:22:44] [INFO ] Deduced a trap composed of 27 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 23:22:45] [INFO ] Deduced a trap composed of 29 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:45] [INFO ] Deduced a trap composed of 14 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 23:22:45] [INFO ] Deduced a trap composed of 32 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 23:22:45] [INFO ] Deduced a trap composed of 31 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:45] [INFO ] Deduced a trap composed of 32 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 23:22:45] [INFO ] Deduced a trap composed of 14 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 23:22:45] [INFO ] Deduced a trap composed of 5 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 23:22:45] [INFO ] Deduced a trap composed of 14 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 23:22:45] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:45] [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 23:22:45] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:45] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:46] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 117 constraints, problems are : Problem set: 0 solved, 101 unsolved in 4610 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 101/217 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:49] [INFO ] Deduced a trap composed of 21 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 23:22:49] [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 23:22:49] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:50] [INFO ] Deduced a trap composed of 27 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:52] [INFO ] Deduced a trap along path composed of 3 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 23:22:52] [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 23:22:52] [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 23:22:52] [INFO ] Deduced a trap along path composed of 10 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 4/226 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:22:54] [INFO ] Deduced a trap along path composed of 7 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 227 constraints, problems are : Problem set: 0 solved, 101 unsolved in 17046 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21661ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 21663ms
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 102/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 21769 ms. Remains : 94/106 places, 102/118 transitions.
Stuttering acceptance computed with spot in 156 ms :[(OR (NOT p0) (NOT p1) p2), p2, (OR (NOT p0) (NOT p1)), (NOT p1), true]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-12
Stuttering criterion allowed to conclude after 35 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-01b-LTLFireability-12 finished in 21949 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) U X((G(p1)||F(G(!p1))))))'
Support contains 2 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 96 transition count 108
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 96 transition count 108
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 24 place count 96 transition count 104
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 94 transition count 102
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 94 transition count 102
Applied a total of 28 rules in 3 ms. Remains 94 /106 variables (removed 12) and now considering 102/118 (removed 16) transitions.
[2025-05-30 23:23:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:23:06] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-05-30 23:23:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:23:06] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-05-30 23:23:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:06] [INFO ] Deduced a trap composed of 13 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 23:23:06] [INFO ] Deduced a trap composed of 13 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 23:23:06] [INFO ] Deduced a trap composed of 19 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 23:23:06] [INFO ] Deduced a trap composed of 27 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 23:23:06] [INFO ] Deduced a trap composed of 29 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 23:23:07] [INFO ] Deduced a trap composed of 14 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 23:23:07] [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 23:23:07] [INFO ] Deduced a trap composed of 31 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 23:23:07] [INFO ] Deduced a trap composed of 32 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:07] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:07] [INFO ] Deduced a trap composed of 5 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 23:23:07] [INFO ] Deduced a trap composed of 14 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 23:23:07] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:07] [INFO ] Deduced a trap composed of 39 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:07] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:07] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:08] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 117 constraints, problems are : Problem set: 0 solved, 101 unsolved in 4640 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 101/217 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:11] [INFO ] Deduced a trap composed of 21 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 23:23:11] [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 23:23:11] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:12] [INFO ] Deduced a trap composed of 27 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:14] [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 23:23:14] [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 23:23:14] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:14] [INFO ] Deduced a trap along path composed of 10 places in 29 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 4/226 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:16] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 227 constraints, problems are : Problem set: 0 solved, 101 unsolved in 17198 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21844ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 21844ms
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 102/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 21965 ms. Remains : 94/106 places, 102/118 transitions.
Stuttering acceptance computed with spot in 143 ms :[false, false, (AND (NOT p0) p1)]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-13
Product exploration explored 100000 steps with 5 reset in 57 ms.
Product exploration explored 100000 steps with 5 reset in 106 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Detected a total of 23/94 stabilizing places and 23/102 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 133 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 119 ms :[false, false, (AND (NOT p0) p1)]
RANDOM walk for 40000 steps (13 resets) in 158 ms. (251 steps per ms) remains 1/4 properties
BEST_FIRST walk for 11355 steps (12 resets) in 13 ms. (811 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 9 factoid took 251 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[false, false, (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 120 ms :[false, false, (AND (NOT p0) p1)]
Support contains 2 out of 94 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 94/94 places, 102/102 transitions.
Applied a total of 0 rules in 0 ms. Remains 94 /94 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2025-05-30 23:23:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:23:29] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 23:23:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:23:29] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-05-30 23:23:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:29] [INFO ] Deduced a trap composed of 13 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 23:23:29] [INFO ] Deduced a trap composed of 13 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 23:23:30] [INFO ] Deduced a trap composed of 19 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 23:23:30] [INFO ] Deduced a trap composed of 27 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 23:23:30] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:30] [INFO ] Deduced a trap composed of 14 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 23:23:30] [INFO ] Deduced a trap composed of 32 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 23:23:30] [INFO ] Deduced a trap composed of 31 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 23:23:30] [INFO ] Deduced a trap composed of 32 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 23:23:30] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:30] [INFO ] Deduced a trap composed of 5 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 23:23:30] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:30] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:30] [INFO ] Deduced a trap composed of 39 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 23:23:30] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:30] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:31] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 117 constraints, problems are : Problem set: 0 solved, 101 unsolved in 4676 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/196 variables, 94/116 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 101/217 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:34] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:34] [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 23:23:34] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:35] [INFO ] Deduced a trap composed of 27 places in 33 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:37] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:37] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:37] [INFO ] Deduced a trap along path composed of 2 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 23:23:37] [INFO ] Deduced a trap along path composed of 10 places in 32 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 4/226 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:39] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/196 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 227 constraints, problems are : Problem set: 0 solved, 101 unsolved in 17173 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 21862ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 21863ms
Finished structural reductions in LTL mode , in 1 iterations and 21962 ms. Remains : 94/94 places, 102/102 transitions.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Detected a total of 23/94 stabilizing places and 23/102 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 141 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[false, false, (AND (NOT p0) p1)]
RANDOM walk for 40000 steps (14 resets) in 60 ms. (655 steps per ms) remains 1/4 properties
BEST_FIRST walk for 7667 steps (6 resets) in 10 ms. (697 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 9 factoid took 300 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[false, false, (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 130 ms :[false, false, (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 127 ms :[false, false, (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 0 reset in 57 ms.
Product exploration explored 100000 steps with 17 reset in 68 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 122 ms :[false, false, (AND (NOT p0) p1)]
Support contains 2 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 102/102 transitions.
Graph (trivial) has 82 edges and 94 vertex of which 4 / 94 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.
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 34 rules applied. Total rules applied 35 place count 92 transition count 100
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 40 place count 92 transition count 95
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 40 place count 92 transition count 96
Deduced a syphon composed of 43 places in 0 ms
Iterating global reduction 2 with 9 rules applied. Total rules applied 49 place count 92 transition count 96
Discarding 25 places :
Symmetric choice reduction at 2 with 25 rule applications. Total rules 74 place count 67 transition count 71
Deduced a syphon composed of 19 places in 0 ms
Iterating global reduction 2 with 25 rules applied. Total rules applied 99 place count 67 transition count 71
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 40 places in 0 ms
Iterating global reduction 2 with 21 rules applied. Total rules applied 120 place count 67 transition count 73
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 122 place count 67 transition count 71
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 139 place count 50 transition count 53
Deduced a syphon composed of 26 places in 0 ms
Iterating global reduction 3 with 17 rules applied. Total rules applied 156 place count 50 transition count 53
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 157 place count 49 transition count 52
Deduced a syphon composed of 25 places in 0 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 158 place count 49 transition count 52
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 26 places in 1 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 159 place count 49 transition count 52
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 161 place count 47 transition count 50
Deduced a syphon composed of 24 places in 0 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 163 place count 47 transition count 50
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 3 with 3 rules applied. Total rules applied 166 place count 47 transition count 62
Deduced a syphon composed of 27 places in 0 ms
Applied a total of 166 rules in 17 ms. Remains 47 /94 variables (removed 47) and now considering 62/102 (removed 40) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 23:23:52] [INFO ] Redundant transitions in 1 ms returned []
Running 61 sub problems to find dead transitions.
// Phase 1: matrix 62 rows 47 cols
[2025-05-30 23:23:52] [INFO ] Computed 5 invariants in 1 ms
[2025-05-30 23:23:52] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (OVERLAPS) 1/47 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:52] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:52] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:52] [INFO ] Deduced a trap composed of 4 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 23:23:52] [INFO ] Deduced a trap composed of 5 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:52] [INFO ] Deduced a trap composed of 5 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 23:23:52] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 2 ms to minimize.
Problem TDEAD7 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:52] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:53] [INFO ] Deduced a trap composed of 6 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 23:23:53] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:53] [INFO ] Deduced a trap composed of 2 places in 32 ms of which 3 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 TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 10/15 constraints. Problems are: Problem set: 25 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/15 constraints. Problems are: Problem set: 25 solved, 36 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
At refinement iteration 4 (OVERLAPS) 61/108 variables, 47/62 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 11/73 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/73 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 1/109 variables, 1/74 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 0/74 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 9 (OVERLAPS) 0/109 variables, 0/74 constraints. Problems are: Problem set: 42 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 74 constraints, problems are : Problem set: 42 solved, 19 unsolved in 1014 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 47/47 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 42 solved, 19 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 28/47 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 10/15 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/15 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 4 (OVERLAPS) 61/108 variables, 47/62 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 11/73 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 19/92 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/92 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 1/109 variables, 1/93 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 0/93 constraints. Problems are: Problem set: 42 solved, 19 unsolved
At refinement iteration 10 (OVERLAPS) 0/109 variables, 0/93 constraints. Problems are: Problem set: 42 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 93 constraints, problems are : Problem set: 42 solved, 19 unsolved in 784 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 47/47 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 19/61 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1807ms problems are : Problem set: 42 solved, 19 unsolved
Search for dead transitions found 42 dead transitions in 1808ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) removed 42 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 47/94 places, 20/102 transitions.
Graph (complete) has 76 edges and 47 vertex of which 20 are kept as prefixes of interest. Removing 27 places using SCC suffix rule.0 ms
Discarding 27 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 20 /47 variables (removed 27) and now considering 20/20 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/94 places, 20/102 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1839 ms. Remains : 20/94 places, 20/102 transitions.
Built C files in :
/tmp/ltsmin2008436147981011281
[2025-05-30 23:23:54] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2008436147981011281
Running compilation step : cd /tmp/ltsmin2008436147981011281;'/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 188 ms.
Running link step : cd /tmp/ltsmin2008436147981011281;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin2008436147981011281;'/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/stateBased4298187508138310534.hoa' '--buchi-type=spotba'
LTSmin run took 74 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-01b-LTLFireability-13 finished in 48637 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(G(p1)))))))'
Support contains 2 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 97 transition count 109
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 97 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 97 transition count 105
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 95 transition count 103
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 95 transition count 103
Applied a total of 26 rules in 3 ms. Remains 95 /106 variables (removed 11) and now considering 103/118 (removed 15) transitions.
// Phase 1: matrix 103 rows 95 cols
[2025-05-30 23:23:54] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:23:54] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 23:23:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:23:54] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-05-30 23:23:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:55] [INFO ] Deduced a trap composed of 13 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 23:23:55] [INFO ] Deduced a trap composed of 13 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 23:23:55] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:55] [INFO ] Deduced a trap composed of 17 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 23:23:55] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:55] [INFO ] Deduced a trap composed of 32 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:55] [INFO ] Deduced a trap composed of 19 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 23:23:55] [INFO ] Deduced a trap composed of 20 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 23:23:55] [INFO ] Deduced a trap composed of 25 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:55] [INFO ] Deduced a trap composed of 22 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 23:23:55] [INFO ] Deduced a trap composed of 27 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:55] [INFO ] Deduced a trap composed of 31 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 23:23:56] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:56] [INFO ] Deduced a trap composed of 40 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 23:23:56] [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 23:23:56] [INFO ] Deduced a trap composed of 32 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 23:23:56] [INFO ] Deduced a trap composed of 22 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 23:23:56] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:56] [INFO ] Deduced a trap composed of 29 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 23:23:56] [INFO ] Deduced a trap composed of 29 places in 34 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (OVERLAPS) 103/198 variables, 95/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:23:58] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/198 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 122 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5486 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 103/198 variables, 95/121 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 102/223 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:01] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:02] [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 23:24:02] [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 23:24:02] [INFO ] Deduced a trap along path composed of 7 places in 33 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/198 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 228 constraints, problems are : Problem set: 0 solved, 102 unsolved in 8201 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 13694ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 13694ms
Starting structural reductions in LTL mode, iteration 1 : 95/106 places, 103/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13800 ms. Remains : 95/106 places, 103/118 transitions.
Stuttering acceptance computed with spot in 233 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-14
Product exploration explored 100000 steps with 2 reset in 56 ms.
Product exploration explored 100000 steps with 3 reset in 55 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND p0 p1), (X (X p0))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 2 factoid took 97 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p1)]
RANDOM walk for 30112 steps (9 resets) in 47 ms. (627 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X (X p0))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 2 factoid took 110 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 26 ms :[(NOT p1)]
Support contains 1 out of 95 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 103/103 transitions.
Graph (trivial) has 84 edges and 95 vertex of which 4 / 95 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 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 0 with 33 rules applied. Total rules applied 34 place count 92 transition count 67
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 44 rules applied. Total rules applied 78 place count 59 transition count 56
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 7 rules applied. Total rules applied 85 place count 53 transition count 55
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 86 place count 52 transition count 55
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 86 place count 52 transition count 48
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 100 place count 45 transition count 48
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 101 place count 44 transition count 47
Iterating global reduction 4 with 1 rules applied. Total rules applied 102 place count 44 transition count 47
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 4 with 36 rules applied. Total rules applied 138 place count 26 transition count 29
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 139 place count 26 transition count 28
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 142 place count 23 transition count 24
Iterating global reduction 5 with 3 rules applied. Total rules applied 145 place count 23 transition count 24
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 5 with 4 rules applied. Total rules applied 149 place count 21 transition count 22
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 151 place count 19 transition count 20
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 152 place count 18 transition count 20
Applied a total of 152 rules in 14 ms. Remains 18 /95 variables (removed 77) and now considering 20/103 (removed 83) transitions.
// Phase 1: matrix 20 rows 18 cols
[2025-05-30 23:24:09] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:09] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 23:24:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:09] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 23:24:09] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [12, 17]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 59 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/95 places, 20/103 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 14 transition count 18
Applied a total of 4 rules in 1 ms. Remains 14 /16 variables (removed 2) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 14 cols
[2025-05-30 23:24:09] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:09] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-05-30 23:24:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:09] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 23:24:09] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/95 places, 18/103 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 126 ms. Remains : 14/95 places, 18/103 transitions.
Computed a total of 0 stabilizing places and 2 stable transitions
Computed a total of 0 stabilizing places and 2 stable transitions
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p1)]
RANDOM walk for 104 steps (15 resets) in 4 ms. (20 steps per ms) remains 0/1 properties
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 3 factoid took 103 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 43 ms :[(NOT p1)]
Product exploration explored 100000 steps with 7 reset in 74 ms.
Product exploration explored 100000 steps with 1 reset in 72 ms.
Built C files in :
/tmp/ltsmin6949573645112797081
[2025-05-30 23:24:09] [INFO ] Computing symmetric may disable matrix : 18 transitions.
[2025-05-30 23:24:09] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:24:09] [INFO ] Computing symmetric may enable matrix : 18 transitions.
[2025-05-30 23:24:09] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:24:09] [INFO ] Computing Do-Not-Accords matrix : 18 transitions.
[2025-05-30 23:24:09] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 23:24:09] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6949573645112797081
Running compilation step : cd /tmp/ltsmin6949573645112797081;'/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 90 ms.
Running link step : cd /tmp/ltsmin6949573645112797081;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin6949573645112797081;'/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/stateBased8141754442710883654.hoa' '--buchi-type=spotba'
LTSmin run took 48 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AutonomousCar-PT-01b-LTLFireability-14 finished in 15349 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||X(p1))))'
Support contains 2 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 118/118 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 97 transition count 109
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 97 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 97 transition count 105
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 95 transition count 103
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 95 transition count 103
Applied a total of 26 rules in 3 ms. Remains 95 /106 variables (removed 11) and now considering 103/118 (removed 15) transitions.
// Phase 1: matrix 103 rows 95 cols
[2025-05-30 23:24:10] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:10] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-05-30 23:24:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 23:24:10] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-05-30 23:24:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:10] [INFO ] Deduced a trap composed of 13 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 23:24:10] [INFO ] Deduced a trap composed of 13 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 23:24:10] [INFO ] Deduced a trap composed of 14 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 23:24:10] [INFO ] Deduced a trap composed of 19 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 23:24:10] [INFO ] Deduced a trap composed of 20 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 23:24:11] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:11] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:11] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:11] [INFO ] Deduced a trap composed of 32 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 23:24:11] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:11] [INFO ] Deduced a trap composed of 15 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 23:24:11] [INFO ] Deduced a trap composed of 6 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 23:24:11] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:11] [INFO ] Deduced a trap composed of 39 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 23:24:11] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:11] [INFO ] Deduced a trap composed of 16 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 23:24:11] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:12] [INFO ] Deduced a trap composed of 29 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:12] [INFO ] Deduced a trap composed of 22 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 23:24:12] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:12] [INFO ] Deduced a trap composed of 32 places in 34 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (OVERLAPS) 103/198 variables, 95/122 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:13] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/198 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 123 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5603 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 21/27 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:15] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/198 variables, 95/123 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 102/225 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:17] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:18] [INFO ] Deduced a trap along path composed of 2 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:18] [INFO ] Deduced a trap along path composed of 5 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 23:24:18] [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 23:24:18] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:18] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/198 variables, 5/232 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:20] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/198 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:24:25] [INFO ] Deduced a trap along path composed of 7 places in 31 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/198 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/198 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 14 (OVERLAPS) 0/198 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 234 constraints, problems are : Problem set: 0 solved, 102 unsolved in 21110 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 26727ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 26727ms
Starting structural reductions in LTL mode, iteration 1 : 95/106 places, 103/118 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 26827 ms. Remains : 95/106 places, 103/118 transitions.
Stuttering acceptance computed with spot in 197 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : AutonomousCar-PT-01b-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutonomousCar-PT-01b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-01b-LTLFireability-15 finished in 27040 ms.
All properties solved by simple procedures.
Total runtime 401297 ms.

BK_STOP 1748647477137

--------------------
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-01b"
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-01b, 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-174853729600612"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-01b.tgz
mv AutonomousCar-PT-01b 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 ;