Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729300468.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 AutoFlight-PT-02b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729300468
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 48K 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 AutoFlight-PT-02b-LTLFireability-00
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-01
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-02
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-03
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-04
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-05
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-06
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-07
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-08
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-09
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-10
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-11
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-12
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-13
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-14
FORMULA_NAME AutoFlight-PT-02b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748622299047

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-02b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 16:25:00] [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 16:25:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 16:25:00] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2025-05-30 16:25:00] [INFO ] Transformed 206 places.
[2025-05-30 16:25:00] [INFO ] Transformed 204 transitions.
[2025-05-30 16:25:00] [INFO ] Found NUPN structural information;
[2025-05-30 16:25:00] [INFO ] Parsed PT model containing 206 places and 204 transitions and 478 arcs in 190 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 AutoFlight-PT-02b-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-02b-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 206 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 206/206 places, 204/204 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 188 transition count 186
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 188 transition count 186
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 39 place count 188 transition count 183
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 44 place count 183 transition count 178
Iterating global reduction 1 with 5 rules applied. Total rules applied 49 place count 183 transition count 178
Applied a total of 49 rules in 87 ms. Remains 183 /206 variables (removed 23) and now considering 178/204 (removed 26) transitions.
// Phase 1: matrix 178 rows 183 cols
[2025-05-30 16:25:00] [INFO ] Computed 16 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:25:00] [INFO ] Implicit Places using invariants in 231 ms returned []
[2025-05-30 16:25:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:25:01] [INFO ] Implicit Places using invariants and state equation in 305 ms returned []
Implicit Place search using SMT with State Equation took 566 ms to find 0 implicit places.
Running 177 sub problems to find dead transitions.
[2025-05-30 16:25:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/182 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (OVERLAPS) 1/183 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 31 places in 62 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 35 places in 65 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 36 places in 52 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 19 places in 71 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 31 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 32 places in 65 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:03] [INFO ] Deduced a trap composed of 18 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 16:25:04] [INFO ] Deduced a trap composed of 32 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 16:25:04] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:04] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:04] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:04] [INFO ] Deduced a trap composed of 48 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 16:25:04] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:04] [INFO ] Deduced a trap composed of 41 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:04] [INFO ] Deduced a trap composed of 41 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 16:25:04] [INFO ] Deduced a trap composed of 30 places in 56 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:04] [INFO ] Deduced a trap composed of 26 places in 62 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/183 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:05] [INFO ] Deduced a trap composed of 26 places in 76 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:05] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:05] [INFO ] Deduced a trap composed of 26 places in 64 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:05] [INFO ] Deduced a trap composed of 18 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 16:25:06] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:06] [INFO ] Deduced a trap composed of 35 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 16:25:06] [INFO ] Deduced a trap composed of 32 places in 45 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:06] [INFO ] Deduced a trap composed of 27 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:06] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:06] [INFO ] Deduced a trap composed of 20 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 16:25:06] [INFO ] Deduced a trap composed of 28 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/183 variables, 11/47 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:07] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:07] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:07] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:07] [INFO ] Deduced a trap composed of 33 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/183 variables, 4/51 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:08] [INFO ] Deduced a trap composed of 38 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 16:25:08] [INFO ] Deduced a trap composed of 39 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 16:25:08] [INFO ] Deduced a trap composed of 39 places in 65 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:08] [INFO ] Deduced a trap composed of 40 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:08] [INFO ] Deduced a trap composed of 38 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 16:25:08] [INFO ] Deduced a trap composed of 27 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:08] [INFO ] Deduced a trap composed of 39 places in 46 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 178/361 variables, 183/241 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/361 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:14] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/361 variables, 1/242 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:15] [INFO ] Deduced a trap composed of 29 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:15] [INFO ] Deduced a trap composed of 37 places in 58 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:15] [INFO ] Deduced a trap composed of 37 places in 57 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 3/245 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/361 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 13 (OVERLAPS) 0/361 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 361/361 variables, and 245 constraints, problems are : Problem set: 0 solved, 177 unsolved in 20064 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 183/183 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 46/46 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/182 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (OVERLAPS) 1/183 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/183 variables, 46/62 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:22] [INFO ] Deduced a trap composed of 40 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 16:25:22] [INFO ] Deduced a trap composed of 45 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 16:25:22] [INFO ] Deduced a trap composed of 44 places in 51 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/183 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/183 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (OVERLAPS) 178/361 variables, 183/248 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/361 variables, 177/425 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:24] [INFO ] Deduced a trap composed of 26 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:25] [INFO ] Deduced a trap composed of 27 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:25] [INFO ] Deduced a trap composed of 29 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:25] [INFO ] Deduced a trap composed of 33 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:25] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 5/430 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:27] [INFO ] Deduced a trap composed of 27 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 16:25:28] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/361 variables, 2/432 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:32] [INFO ] Deduced a trap composed of 37 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 16:25:32] [INFO ] Deduced a trap composed of 39 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:32] [INFO ] Deduced a trap composed of 42 places in 42 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/361 variables, 3/435 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:40] [INFO ] Deduced a trap along path composed of 9 places in 1604 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:40] [INFO ] Deduced a trap along path composed of 8 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 16:25:40] [INFO ] Deduced a trap along path composed of 15 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:40] [INFO ] Deduced a trap along path composed of 9 places in 30 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:40] [INFO ] Deduced a trap along path composed of 4 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:40] [INFO ] Deduced a trap along path composed of 13 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 6/441 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 361/361 variables, and 441 constraints, problems are : Problem set: 0 solved, 177 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 183/183 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 50134ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 50144ms
Starting structural reductions in LTL mode, iteration 1 : 183/206 places, 178/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 50822 ms. Remains : 183/206 places, 178/204 transitions.
Support contains 40 out of 183 places after structural reductions.
[2025-05-30 16:25:51] [INFO ] Flatten gal took : 34 ms
[2025-05-30 16:25:51] [INFO ] Flatten gal took : 11 ms
[2025-05-30 16:25:51] [INFO ] Input system was already deterministic with 178 transitions.
RANDOM walk for 40000 steps (351 resets) in 1243 ms. (32 steps per ms) remains 6/31 properties
BEST_FIRST walk for 40003 steps (43 resets) in 101 ms. (392 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (42 resets) in 114 ms. (347 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (44 resets) in 74 ms. (533 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40003 steps (44 resets) in 63 ms. (625 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (45 resets) in 67 ms. (588 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (44 resets) in 79 ms. (500 steps per ms) remains 4/4 properties
[2025-05-30 16:25:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp23 is UNSAT
At refinement iteration 1 (OVERLAPS) 101/111 variables, 7/7 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:52] [INFO ] Deduced a trap composed of 29 places in 24 ms of which 2 ms to minimize.
Problem AtomicPropp28 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 1/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 60/171 variables, 8/16 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/16 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 12/183 variables, 1/17 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:52] [INFO ] Deduced a trap composed of 31 places in 53 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:52] [INFO ] Deduced a trap composed of 38 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 16:25:52] [INFO ] Deduced a trap composed of 33 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 16:25:52] [INFO ] Deduced a trap composed of 26 places in 27 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 4/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 178/361 variables, 183/204 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/361 variables, 0/204 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/361 variables, 0/204 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 361/361 variables, and 204 constraints, problems are : Problem set: 2 solved, 2 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 183/183 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 74/78 variables, 4/4 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 92/170 variables, 11/15 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/170 variables, 2/17 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/170 variables, 0/17 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 13/183 variables, 1/18 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 3/21 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:52] [INFO ] Deduced a trap composed of 17 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 16:25:52] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:52] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 3/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/183 variables, 0/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 178/361 variables, 183/207 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 2/209 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:52] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/361 variables, 1/210 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/361 variables, 0/210 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:53] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 5 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/361 variables, 1/211 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/361 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/361 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 361/361 variables, and 211 constraints, problems are : Problem set: 2 solved, 2 unsolved in 510 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 183/183 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 922ms problems are : Problem set: 2 solved, 2 unsolved
Finished Parikh walk after 103 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=51 )
Parikh walk visited 2 properties in 62 ms.
Successfully simplified 2 atomic propositions for a total of 14 simplifications.
FORMULA AutoFlight-PT-02b-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 54 stabilizing places and 54 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((p0&&X(F((p1||(p2 U (p0&&X(G(p3))))))))))'
Support contains 3 out of 183 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 173 transition count 168
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 173 transition count 168
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 173 transition count 167
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 170 transition count 164
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 170 transition count 164
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 169 transition count 163
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 169 transition count 163
Applied a total of 29 rules in 15 ms. Remains 169 /183 variables (removed 14) and now considering 163/178 (removed 15) transitions.
// Phase 1: matrix 163 rows 169 cols
[2025-05-30 16:25:53] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:25:53] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-05-30 16:25:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:25:53] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
Running 162 sub problems to find dead transitions.
[2025-05-30 16:25:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/169 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:55] [INFO ] Deduced a trap composed of 15 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:55] [INFO ] Deduced a trap composed of 30 places in 74 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:55] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:55] [INFO ] Deduced a trap composed of 17 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:55] [INFO ] Deduced a trap composed of 31 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 16:25:55] [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 16:25:55] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:55] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:55] [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 16:25:56] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:57] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:57] [INFO ] Deduced a trap composed of 28 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 16:25:57] [INFO ] Deduced a trap composed of 45 places in 38 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:58] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:58] [INFO ] Deduced a trap composed of 35 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 16:25:58] [INFO ] Deduced a trap composed of 40 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 16:25:58] [INFO ] Deduced a trap composed of 36 places in 39 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:58] [INFO ] Deduced a trap composed of 41 places in 48 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:59] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:59] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:25:59] [INFO ] Deduced a trap composed of 27 places in 45 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:00] [INFO ] Deduced a trap composed of 23 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 16:26:00] [INFO ] Deduced a trap composed of 37 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 16:26:00] [INFO ] Deduced a trap composed of 39 places in 47 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 3/40 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/169 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 10 (OVERLAPS) 163/332 variables, 169/209 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:02] [INFO ] Deduced a trap composed of 25 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:02] [INFO ] Deduced a trap composed of 26 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:02] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 3/212 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 13 (OVERLAPS) 0/332 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 162 unsolved
No progress, stopping.
After SMT solving in domain Real declared 332/332 variables, and 212 constraints, problems are : Problem set: 0 solved, 162 unsolved in 13812 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/169 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 27/43 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:08] [INFO ] Deduced a trap composed of 39 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:08] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:08] [INFO ] Deduced a trap composed of 40 places in 48 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 6 (OVERLAPS) 163/332 variables, 169/215 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/332 variables, 162/377 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:10] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:10] [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 16:26:10] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:10] [INFO ] Deduced a trap composed of 25 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:10] [INFO ] Deduced a trap composed of 36 places in 54 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/332 variables, 5/382 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:12] [INFO ] Deduced a trap composed of 27 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 16:26:12] [INFO ] Deduced a trap composed of 27 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 16:26:12] [INFO ] Deduced a trap composed of 24 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 16:26:12] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:12] [INFO ] Deduced a trap composed of 28 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 16:26:12] [INFO ] Deduced a trap composed of 42 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 16:26:13] [INFO ] Deduced a trap composed of 39 places in 51 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 7/389 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:16] [INFO ] Deduced a trap along path composed of 9 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:16] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:16] [INFO ] Deduced a trap along path composed of 4 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 16:26:16] [INFO ] Deduced a trap along path composed of 15 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:17] [INFO ] Deduced a trap along path composed of 13 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:17] [INFO ] Deduced a trap along path composed of 9 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:17] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 7/396 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:33] [INFO ] Deduced a trap along path composed of 7 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 16:26:34] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/332 variables, 2/398 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 332/332 variables, and 398 constraints, problems are : Problem set: 0 solved, 162 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 43854ms problems are : Problem set: 0 solved, 162 unsolved
Search for dead transitions found 0 dead transitions in 43855ms
Starting structural reductions in LTL mode, iteration 1 : 169/183 places, 163/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44048 ms. Remains : 169/183 places, 163/178 transitions.
Stuttering acceptance computed with spot in 315 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p3))), true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-00 finished in 44431 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 183 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 0 with 62 rules applied. Total rules applied 62 place count 182 transition count 115
Reduce places removed 62 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 71 rules applied. Total rules applied 133 place count 120 transition count 106
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 137 place count 116 transition count 106
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 26 Pre rules applied. Total rules applied 137 place count 116 transition count 80
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 189 place count 90 transition count 80
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 197 place count 82 transition count 72
Iterating global reduction 3 with 8 rules applied. Total rules applied 205 place count 82 transition count 72
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 205 place count 82 transition count 69
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 211 place count 79 transition count 69
Performed 26 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 263 place count 53 transition count 42
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 264 place count 53 transition count 41
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 3 with 2 rules applied. Total rules applied 266 place count 52 transition count 40
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 267 place count 51 transition count 39
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 6 rules applied. Total rules applied 273 place count 47 transition count 37
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 275 place count 45 transition count 37
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 2 Pre rules applied. Total rules applied 275 place count 45 transition count 35
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 279 place count 43 transition count 35
Applied a total of 279 rules in 32 ms. Remains 43 /183 variables (removed 140) and now considering 35/178 (removed 143) transitions.
// Phase 1: matrix 35 rows 43 cols
[2025-05-30 16:26:38] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:38] [INFO ] Implicit Places using invariants in 37 ms returned [17, 25, 33, 37, 42]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 38 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 38/183 places, 35/178 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 35 transition count 32
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 35 transition count 32
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 34 transition count 31
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 34 transition count 31
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 33 transition count 30
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 33 transition count 30
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 12 place count 32 transition count 29
Applied a total of 12 rules in 3 ms. Remains 32 /38 variables (removed 6) and now considering 29/35 (removed 6) transitions.
// Phase 1: matrix 29 rows 32 cols
[2025-05-30 16:26:38] [INFO ] Computed 7 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:38] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-05-30 16:26:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:38] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 32/183 places, 29/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 130 ms. Remains : 32/183 places, 29/178 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-01
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-01 finished in 174 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 183 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 58 transitions
Trivial Post-agglo rules discarded 58 transitions
Performed 58 trivial Post agglomeration. Transition count delta: 58
Iterating post reduction 0 with 58 rules applied. Total rules applied 58 place count 182 transition count 119
Reduce places removed 58 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 64 rules applied. Total rules applied 122 place count 124 transition count 113
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 3 rules applied. Total rules applied 125 place count 122 transition count 112
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 126 place count 121 transition count 112
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 27 Pre rules applied. Total rules applied 126 place count 121 transition count 85
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 4 with 54 rules applied. Total rules applied 180 place count 94 transition count 85
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 190 place count 84 transition count 75
Iterating global reduction 4 with 10 rules applied. Total rules applied 200 place count 84 transition count 75
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 200 place count 84 transition count 70
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 210 place count 79 transition count 70
Performed 26 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 4 with 52 rules applied. Total rules applied 262 place count 53 transition count 42
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 263 place count 52 transition count 41
Reduce places removed 3 places and 0 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 4 rules applied. Total rules applied 267 place count 49 transition count 40
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 268 place count 48 transition count 40
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 268 place count 48 transition count 38
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 272 place count 46 transition count 38
Applied a total of 272 rules in 24 ms. Remains 46 /183 variables (removed 137) and now considering 38/178 (removed 140) transitions.
// Phase 1: matrix 38 rows 46 cols
[2025-05-30 16:26:38] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:38] [INFO ] Implicit Places using invariants in 38 ms returned [19, 27, 35, 39, 45]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 40 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 41/183 places, 38/178 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 38 transition count 35
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 38 transition count 35
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 37 transition count 34
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 37 transition count 34
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 36 transition count 33
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 36 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 35 transition count 32
Applied a total of 12 rules in 3 ms. Remains 35 /41 variables (removed 6) and now considering 32/38 (removed 6) transitions.
// Phase 1: matrix 32 rows 35 cols
[2025-05-30 16:26:38] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:38] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 16:26:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:38] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 35/183 places, 32/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 134 ms. Remains : 35/183 places, 32/178 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-02
Product exploration explored 100000 steps with 7060 reset in 215 ms.
Product exploration explored 100000 steps with 7099 reset in 128 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 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 80 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 128 steps (5 resets) in 6 ms. (18 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 90 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 p0), (NOT p0)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 35 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 35/35 places, 32/32 transitions.
Applied a total of 0 rules in 3 ms. Remains 35 /35 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2025-05-30 16:26:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:39] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 16:26:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:39] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 16:26:39] [INFO ] Redundant transitions in 0 ms returned []
Running 19 sub problems to find dead transitions.
[2025-05-30 16:26:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (OVERLAPS) 32/67 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (OVERLAPS) 0/67 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 67/67 variables, and 43 constraints, problems are : Problem set: 0 solved, 19 unsolved in 254 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (OVERLAPS) 32/67 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 0/67 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 67/67 variables, and 62 constraints, problems are : Problem set: 0 solved, 19 unsolved in 286 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 543ms problems are : Problem set: 0 solved, 19 unsolved
Search for dead transitions found 0 dead transitions in 543ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 611 ms. Remains : 35/35 places, 32/32 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 76 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 65 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 84 steps (3 resets) in 5 ms. (14 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 116 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 76 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 7083 reset in 87 ms.
Stack based approach found an accepted trace after 28016 steps with 1972 reset with depth 9 and stack size 9 in 27 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-02 finished in 2233 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(G((G(p0)||X(p1))))))))'
Support contains 2 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 172 transition count 167
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 172 transition count 167
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 172 transition count 166
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 27 place count 168 transition count 162
Iterating global reduction 1 with 4 rules applied. Total rules applied 31 place count 168 transition count 162
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 167 transition count 161
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 167 transition count 161
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 166 transition count 160
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 166 transition count 160
Applied a total of 35 rules in 17 ms. Remains 166 /183 variables (removed 17) and now considering 160/178 (removed 18) transitions.
// Phase 1: matrix 160 rows 166 cols
[2025-05-30 16:26:40] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:40] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-05-30 16:26:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:26:40] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Running 159 sub problems to find dead transitions.
[2025-05-30 16:26:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (OVERLAPS) 1/166 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:41] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 30 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 31 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 30 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 16:26:42] [INFO ] Deduced a trap composed of 19 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 18 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 26 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 18 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 16:26:42] [INFO ] Deduced a trap composed of 26 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:42] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:43] [INFO ] Deduced a trap composed of 17 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 16:26:43] [INFO ] Deduced a trap composed of 41 places in 47 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/166 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:43] [INFO ] Deduced a trap composed of 34 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 16:26:43] [INFO ] Deduced a trap composed of 40 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:44] [INFO ] Deduced a trap composed of 23 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:44] [INFO ] Deduced a trap composed of 39 places in 58 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:44] [INFO ] Deduced a trap composed of 45 places in 46 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:45] [INFO ] Deduced a trap composed of 39 places in 49 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 8 (OVERLAPS) 160/326 variables, 166/203 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:47] [INFO ] Deduced a trap composed of 38 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 16:26:47] [INFO ] Deduced a trap composed of 38 places in 45 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/326 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/326 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:50] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 7 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/326 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/326 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 13 (OVERLAPS) 0/326 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 159 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 206 constraints, problems are : Problem set: 0 solved, 159 unsolved in 14698 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 166/166 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (OVERLAPS) 1/166 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/166 variables, 24/40 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:56] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:56] [INFO ] Deduced a trap composed of 37 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:56] [INFO ] Deduced a trap composed of 39 places in 47 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 2/43 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (OVERLAPS) 160/326 variables, 166/209 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/326 variables, 159/368 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:58] [INFO ] Deduced a trap composed of 38 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 16:26:58] [INFO ] Deduced a trap composed of 29 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:26:58] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/326 variables, 3/371 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:00] [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 16:27:00] [INFO ] Deduced a trap composed of 25 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 16:27:00] [INFO ] Deduced a trap composed of 36 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 16:27:00] [INFO ] Deduced a trap composed of 27 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 16:27:00] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/326 variables, 5/376 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:03] [INFO ] Deduced a trap along path composed of 8 places in 48 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:03] [INFO ] Deduced a trap along path composed of 8 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:04] [INFO ] Deduced a trap along path composed of 13 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 16:27:04] [INFO ] Deduced a trap along path composed of 9 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:04] [INFO ] Deduced a trap along path composed of 9 places in 27 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/326 variables, 5/381 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:11] [INFO ] Deduced a trap along path composed of 15 places in 33 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/326 variables, 1/382 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/326 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 326/326 variables, and 382 constraints, problems are : Problem set: 0 solved, 159 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 166/166 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 44724ms problems are : Problem set: 0 solved, 159 unsolved
Search for dead transitions found 0 dead transitions in 44725ms
Starting structural reductions in LTL mode, iteration 1 : 166/183 places, 160/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44907 ms. Remains : 166/183 places, 160/178 transitions.
Stuttering acceptance computed with spot in 300 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-03
Entered a terminal (fully accepting) state of product in 262 steps with 2 reset in 4 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-03 finished in 45234 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((p0 U p1) U X((X(p2) U p3)))&&F(p2)))'
Support contains 4 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 171 transition count 166
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 171 transition count 166
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 171 transition count 165
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 29 place count 167 transition count 161
Iterating global reduction 1 with 4 rules applied. Total rules applied 33 place count 167 transition count 161
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 166 transition count 160
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 166 transition count 160
Applied a total of 35 rules in 12 ms. Remains 166 /183 variables (removed 17) and now considering 160/178 (removed 18) transitions.
// Phase 1: matrix 160 rows 166 cols
[2025-05-30 16:27:25] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:27:25] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-05-30 16:27:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:27:25] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
Running 159 sub problems to find dead transitions.
[2025-05-30 16:27:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (OVERLAPS) 1/166 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:27] [INFO ] Deduced a trap composed of 15 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 16:27:27] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:27] [INFO ] Deduced a trap composed of 16 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 16:27:27] [INFO ] Deduced a trap composed of 25 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:27] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:27] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:27] [INFO ] Deduced a trap composed of 17 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 16:27:27] [INFO ] Deduced a trap composed of 18 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 16:27:27] [INFO ] Deduced a trap composed of 30 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 16:27:27] [INFO ] Deduced a trap composed of 20 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:27] [INFO ] Deduced a trap composed of 18 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:27] [INFO ] Deduced a trap composed of 26 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:28] [INFO ] Deduced a trap composed of 26 places in 48 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:28] [INFO ] Deduced a trap composed of 45 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:28] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:28] [INFO ] Deduced a trap composed of 20 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 16:27:28] [INFO ] Deduced a trap composed of 34 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:28] [INFO ] Deduced a trap composed of 40 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 16:27:28] [INFO ] Deduced a trap composed of 35 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 16:27:28] [INFO ] Deduced a trap composed of 23 places in 49 ms of which 8 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/166 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:29] [INFO ] Deduced a trap composed of 30 places in 61 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:29] [INFO ] Deduced a trap composed of 31 places in 51 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:29] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:29] [INFO ] Deduced a trap composed of 38 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 16:27:30] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:30] [INFO ] Deduced a trap composed of 39 places in 47 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 4/42 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (OVERLAPS) 160/326 variables, 166/208 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:32] [INFO ] Deduced a trap composed of 24 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 16:27:32] [INFO ] Deduced a trap composed of 39 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 16:27:32] [INFO ] Deduced a trap composed of 30 places in 42 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/326 variables, 3/211 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/326 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 10 (OVERLAPS) 0/326 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 159 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 211 constraints, problems are : Problem set: 0 solved, 159 unsolved in 11067 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 166/166 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (OVERLAPS) 1/166 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/166 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/166 variables, 29/45 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:37] [INFO ] Deduced a trap composed of 29 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:37] [INFO ] Deduced a trap composed of 29 places in 50 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:37] [INFO ] Deduced a trap composed of 39 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 16:27:38] [INFO ] Deduced a trap composed of 37 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 16:27:38] [INFO ] Deduced a trap composed of 41 places in 42 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 5/50 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 6 (OVERLAPS) 160/326 variables, 166/216 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/326 variables, 159/375 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:40] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/326 variables, 1/376 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:42] [INFO ] Deduced a trap composed of 24 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 16:27:42] [INFO ] Deduced a trap composed of 25 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:42] [INFO ] Deduced a trap composed of 15 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 16:27:42] [INFO ] Deduced a trap composed of 36 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 16:27:43] [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 16:27:43] [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 16:27:43] [INFO ] Deduced a trap composed of 29 places in 52 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/326 variables, 7/383 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:47] [INFO ] Deduced a trap composed of 27 places in 42 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/326 variables, 1/384 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:27:51] [INFO ] Deduced a trap along path composed of 4 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 16:27:51] [INFO ] Deduced a trap along path composed of 8 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 16:27:51] [INFO ] Deduced a trap along path composed of 9 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 16:27:51] [INFO ] Deduced a trap along path composed of 13 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 16:27:51] [INFO ] Deduced a trap along path composed of 9 places in 21 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/326 variables, 5/389 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:01] [INFO ] Deduced a trap along path composed of 10 places in 28 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/326 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 326/326 variables, and 390 constraints, problems are : Problem set: 0 solved, 159 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 166/166 constraints, PredecessorRefiner: 159/159 constraints, Known Traps: 43/43 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 41100ms problems are : Problem set: 0 solved, 159 unsolved
Search for dead transitions found 0 dead transitions in 41100ms
Starting structural reductions in LTL mode, iteration 1 : 166/183 places, 160/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41275 ms. Remains : 166/183 places, 160/178 transitions.
Stuttering acceptance computed with spot in 314 ms :[(OR (NOT p2) (NOT p3)), (NOT p2), (NOT p3), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p3), (OR (NOT p2) (NOT p3)), true, (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-04
Product exploration explored 100000 steps with 4396 reset in 136 ms.
Product exploration explored 100000 steps with 4385 reset in 170 ms.
Computed a total of 44 stabilizing places and 44 stable transitions
Computed a total of 44 stabilizing places and 44 stable transitions
Detected a total of 44/166 stabilizing places and 44/160 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0) p3), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X p3), (X (NOT (AND (NOT p1) (NOT p0) (NOT p3)))), (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (NOT p2)), (X (NOT p0)), (X (NOT p1)), (X (X p3)), (X (X (AND (NOT p2) (NOT p1) (NOT p0)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3)))))), (X (X (NOT p2))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (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 206 ms. Reduced automaton from 9 states, 18 edges and 4 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p2), (NOT p2)]
RANDOM walk for 166 steps (0 resets) in 5 ms. (27 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0) p3), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X p3), (X (NOT (AND (NOT p1) (NOT p0) (NOT p3)))), (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (NOT p2)), (X (NOT p0)), (X (NOT p1)), (X (X p3)), (X (X (AND (NOT p2) (NOT p1) (NOT p0)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3)))))), (X (X (NOT p2))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(F p2)]
Knowledge based reduction with 20 factoid took 246 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 76 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 61 ms :[(NOT p2), (NOT p2)]
[2025-05-30 16:28:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 16:28:08] [INFO ] [Real]Absence check using 15 positive place invariants in 4 ms returned sat
[2025-05-30 16:28:08] [INFO ] [Real]Absence check using 15 positive and 1 generalized place invariants in 11 ms returned sat
[2025-05-30 16:28:08] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-05-30 16:28:08] [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 16:28:08] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2025-05-30 16:28:08] [INFO ] [Nat]Absence check using 15 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 16:28:08] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-05-30 16:28:08] [INFO ] Computed and/alt/rep : 159/227/159 causal constraints (skipped 0 transitions) in 7 ms.
[2025-05-30 16:28:09] [INFO ] Added : 147 causal constraints over 30 iterations in 460 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 1 out of 166 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 : 166/166 places, 160/160 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 165 transition count 110
Reduce places removed 49 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 55 rules applied. Total rules applied 104 place count 116 transition count 104
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 110 place count 112 transition count 102
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 112 place count 110 transition count 102
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 23 Pre rules applied. Total rules applied 112 place count 110 transition count 79
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 4 with 46 rules applied. Total rules applied 158 place count 87 transition count 79
Performed 32 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 32 places in 0 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 4 with 64 rules applied. Total rules applied 222 place count 55 transition count 43
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 223 place count 54 transition count 42
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 6 rules applied. Total rules applied 229 place count 50 transition count 40
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 231 place count 48 transition count 40
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 231 place count 48 transition count 38
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 235 place count 46 transition count 38
Applied a total of 235 rules in 20 ms. Remains 46 /166 variables (removed 120) and now considering 38/160 (removed 122) transitions.
// Phase 1: matrix 38 rows 46 cols
[2025-05-30 16:28:09] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:28:09] [INFO ] Implicit Places using invariants in 47 ms returned [19, 27, 36, 40, 45]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 59 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 41/166 places, 38/160 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 38 transition count 35
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 38 transition count 35
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 37 transition count 34
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 37 transition count 34
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 36 transition count 33
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 36 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 35 transition count 32
Applied a total of 12 rules in 3 ms. Remains 35 /41 variables (removed 6) and now considering 32/38 (removed 6) transitions.
// Phase 1: matrix 32 rows 35 cols
[2025-05-30 16:28:09] [INFO ] Computed 7 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:28:09] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-05-30 16:28:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:28:09] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 16:28:09] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 35/166 places, 32/160 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 196 ms. Remains : 35/166 places, 32/160 transitions.
Computed a total of 4 stabilizing places and 4 stable transitions
Computed a total of 4 stabilizing places and 4 stable transitions
Detected a total of 4/35 stabilizing places and 4/32 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p2), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (NOT p2)), (X p2), (X (X (NOT p2))), (X (X p2))]
Knowledge based reduction with 2 factoid took 123 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 57 ms :[(NOT p2), (NOT p2)]
RANDOM walk for 25 steps (0 resets) in 4 ms. (5 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p2), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X (NOT p2)), (X p2), (X (X (NOT p2))), (X (X p2)), (F p2)]
Knowledge based reduction with 2 factoid took 194 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 72 ms :[(NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 55 ms :[(NOT p2), (NOT p2)]
[2025-05-30 16:28:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 16:28:09] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2025-05-30 16:28:09] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-05-30 16:28:09] [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 16:28:09] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2025-05-30 16:28:09] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-05-30 16:28:09] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 16:28:09] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:09] [INFO ] Deduced a trap composed of 14 places in 18 ms of which 2 ms to minimize.
[2025-05-30 16:28:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 23 ms
[2025-05-30 16:28:09] [INFO ] Computed and/alt/rep : 24/53/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-05-30 16:28:09] [INFO ] Added : 20 causal constraints over 4 iterations in 23 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 64 ms :[(NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 17580 reset in 78 ms.
Stack based approach found an accepted trace after 443 steps with 74 reset with depth 4 and stack size 4 in 0 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-04 finished in 44374 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) U p2)))'
Support contains 4 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 174 transition count 169
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 174 transition count 169
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 174 transition count 168
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 22 place count 171 transition count 165
Iterating global reduction 1 with 3 rules applied. Total rules applied 25 place count 171 transition count 165
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 170 transition count 164
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 170 transition count 164
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 169 transition count 163
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 169 transition count 163
Applied a total of 29 rules in 13 ms. Remains 169 /183 variables (removed 14) and now considering 163/178 (removed 15) transitions.
// Phase 1: matrix 163 rows 169 cols
[2025-05-30 16:28:10] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:28:10] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-05-30 16:28:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:28:10] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Running 162 sub problems to find dead transitions.
[2025-05-30 16:28:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/169 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:11] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:11] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:11] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:11] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:11] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:11] [INFO ] Deduced a trap composed of 25 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 18 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 16:28:12] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 48 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 16:28:12] [INFO ] Deduced a trap composed of 19 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:12] [INFO ] Deduced a trap composed of 34 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 16:28:12] [INFO ] Deduced a trap composed of 35 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 16:28:12] [INFO ] Deduced a trap composed of 37 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 16:28:12] [INFO ] Deduced a trap composed of 24 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 16:28:12] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:13] [INFO ] Deduced a trap composed of 30 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:13] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:13] [INFO ] Deduced a trap composed of 23 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 16:28:13] [INFO ] Deduced a trap composed of 31 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 16:28:13] [INFO ] Deduced a trap composed of 27 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 16:28:13] [INFO ] Deduced a trap composed of 26 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 16:28:13] [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 16:28:13] [INFO ] Deduced a trap composed of 38 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 16:28:14] [INFO ] Deduced a trap composed of 30 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:14] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 10/46 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:14] [INFO ] Deduced a trap composed of 39 places in 52 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:15] [INFO ] Deduced a trap composed of 26 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:16] [INFO ] Deduced a trap composed of 32 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:16] [INFO ] Deduced a trap composed of 39 places in 33 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 9 (OVERLAPS) 163/332 variables, 169/219 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:19] [INFO ] Deduced a trap composed of 41 places in 47 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:19] [INFO ] Deduced a trap composed of 34 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 16:28:20] [INFO ] Deduced a trap composed of 41 places in 38 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 13 (OVERLAPS) 0/332 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 162 unsolved
No progress, stopping.
After SMT solving in domain Real declared 332/332 variables, and 222 constraints, problems are : Problem set: 0 solved, 162 unsolved in 14515 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 37/37 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/169 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 37/53 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:25] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 6 (OVERLAPS) 163/332 variables, 169/223 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/332 variables, 162/385 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:27] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:27] [INFO ] Deduced a trap composed of 26 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:27] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:27] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:28] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/332 variables, 5/390 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:29] [INFO ] Deduced a trap composed of 27 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 16:28:29] [INFO ] Deduced a trap composed of 29 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 16:28:29] [INFO ] Deduced a trap composed of 40 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 16:28:29] [INFO ] Deduced a trap composed of 39 places in 56 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 4/394 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:31] [INFO ] Deduced a trap composed of 43 places in 51 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 1/395 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:34] [INFO ] Deduced a trap composed of 42 places in 44 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/396 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:39] [INFO ] Deduced a trap along path composed of 9 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 16:28:39] [INFO ] Deduced a trap along path composed of 9 places in 14 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:39] [INFO ] Deduced a trap along path composed of 11 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 16:28:40] [INFO ] Deduced a trap along path composed of 15 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:40] [INFO ] Deduced a trap along path composed of 13 places in 28 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 5/401 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:46] [INFO ] Deduced a trap composed of 38 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 16:28:46] [INFO ] Deduced a trap composed of 40 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 16:28:46] [INFO ] Deduced a trap composed of 41 places in 38 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 3/404 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 332/332 variables, and 404 constraints, problems are : Problem set: 0 solved, 162 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 52/52 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 44533ms problems are : Problem set: 0 solved, 162 unsolved
Search for dead transitions found 0 dead transitions in 44535ms
Starting structural reductions in LTL mode, iteration 1 : 169/183 places, 163/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44692 ms. Remains : 169/183 places, 163/178 transitions.
Stuttering acceptance computed with spot in 117 ms :[(OR (NOT p0) (NOT p2)), (NOT p0), (OR (NOT p1) (NOT p2)), true]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-06
Stuttering criterion allowed to conclude after 124 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-06 finished in 44830 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0)) U (p1 U X(X(!p1))))))'
Support contains 2 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 171 transition count 166
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 171 transition count 166
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 171 transition count 165
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 30 place count 166 transition count 160
Iterating global reduction 1 with 5 rules applied. Total rules applied 35 place count 166 transition count 160
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 37 place count 164 transition count 158
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 164 transition count 158
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 41 place count 162 transition count 156
Iterating global reduction 1 with 2 rules applied. Total rules applied 43 place count 162 transition count 156
Applied a total of 43 rules in 13 ms. Remains 162 /183 variables (removed 21) and now considering 156/178 (removed 22) transitions.
// Phase 1: matrix 156 rows 162 cols
[2025-05-30 16:28:54] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:28:54] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-05-30 16:28:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:28:55] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Running 155 sub problems to find dead transitions.
[2025-05-30 16:28:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 16 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 16:28:56] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 17 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 16:28:56] [INFO ] Deduced a trap composed of 20 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:56] [INFO ] Deduced a trap composed of 26 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 16:28:56] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:57] [INFO ] Deduced a trap composed of 19 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 16:28:57] [INFO ] Deduced a trap composed of 34 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 16:28:57] [INFO ] Deduced a trap composed of 35 places in 38 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:57] [INFO ] Deduced a trap composed of 30 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:58] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:58] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:58] [INFO ] Deduced a trap composed of 41 places in 48 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:58] [INFO ] Deduced a trap composed of 31 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 16:28:58] [INFO ] Deduced a trap composed of 37 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:59] [INFO ] Deduced a trap composed of 39 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 16:28:59] [INFO ] Deduced a trap composed of 38 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 16:28:59] [INFO ] Deduced a trap composed of 39 places in 40 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:59] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:59] [INFO ] Deduced a trap composed of 35 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:28:59] [INFO ] Deduced a trap composed of 39 places in 45 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:00] [INFO ] Deduced a trap composed of 40 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 16:29:00] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 9 (OVERLAPS) 156/318 variables, 162/207 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:02] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:03] [INFO ] Deduced a trap composed of 31 places in 48 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 13 (OVERLAPS) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 209 constraints, problems are : Problem set: 0 solved, 155 unsolved in 13161 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 31/47 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:09] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 156/318 variables, 162/210 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 155/365 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:10] [INFO ] Deduced a trap composed of 15 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 16:29:10] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:10] [INFO ] Deduced a trap composed of 27 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 16:29:10] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/318 variables, 4/369 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:12] [INFO ] Deduced a trap composed of 25 places in 23 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/318 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:15] [INFO ] Deduced a trap along path composed of 9 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 16:29:15] [INFO ] Deduced a trap along path composed of 9 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:15] [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 16:29:16] [INFO ] Deduced a trap along path composed of 9 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 16:29:17] [INFO ] Deduced a trap along path composed of 13 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 16:29:17] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 6/376 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:19] [INFO ] Deduced a trap composed of 36 places in 46 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:26] [INFO ] Deduced a trap along path composed of 15 places in 20 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 378 constraints, problems are : Problem set: 0 solved, 155 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 43215ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 43217ms
Starting structural reductions in LTL mode, iteration 1 : 162/183 places, 156/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43364 ms. Remains : 162/183 places, 156/178 transitions.
Stuttering acceptance computed with spot in 400 ms :[(NOT p0), p1, p1, p1, p1, p1, true, p1, p1, p1, p1, (OR (NOT p0) p1)]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-07
Product exploration explored 100000 steps with 25000 reset in 85 ms.
Product exploration explored 100000 steps with 25000 reset in 98 ms.
Computed a total of 40 stabilizing places and 40 stable transitions
Computed a total of 40 stabilizing places and 40 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 71 ms. Reduced automaton from 12 states, 21 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 116 ms :[p1, p1, p1, p1, true]
RANDOM walk for 39961 steps (350 resets) in 165 ms. (240 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 6 factoid took 87 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 110 ms :[p1, p1, p1, p1, true]
Stuttering acceptance computed with spot in 185 ms :[p1, p1, p1, p1, true]
Support contains 1 out of 162 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 162/162 places, 156/156 transitions.
Applied a total of 0 rules in 4 ms. Remains 162 /162 variables (removed 0) and now considering 156/156 (removed 0) transitions.
[2025-05-30 16:29:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:29:39] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-05-30 16:29:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:29:39] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Running 155 sub problems to find dead transitions.
[2025-05-30 16:29:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:40] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 19 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 16:29:41] [INFO ] Deduced a trap composed of 16 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 16:29:41] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 17 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 16:29:41] [INFO ] Deduced a trap composed of 20 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 26 places in 46 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:41] [INFO ] Deduced a trap composed of 34 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 16:29:41] [INFO ] Deduced a trap composed of 35 places in 67 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:42] [INFO ] Deduced a trap composed of 30 places in 60 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:42] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:42] [INFO ] Deduced a trap composed of 20 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 16:29:43] [INFO ] Deduced a trap composed of 41 places in 50 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:43] [INFO ] Deduced a trap composed of 31 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:43] [INFO ] Deduced a trap composed of 37 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 16:29:43] [INFO ] Deduced a trap composed of 39 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 16:29:43] [INFO ] Deduced a trap composed of 38 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 16:29:43] [INFO ] Deduced a trap composed of 39 places in 43 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:44] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:44] [INFO ] Deduced a trap composed of 35 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:44] [INFO ] Deduced a trap composed of 39 places in 46 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:45] [INFO ] Deduced a trap composed of 40 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 16:29:45] [INFO ] Deduced a trap composed of 23 places in 47 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 9 (OVERLAPS) 156/318 variables, 162/207 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:47] [INFO ] Deduced a trap composed of 26 places in 46 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:48] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 13 (OVERLAPS) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 209 constraints, problems are : Problem set: 0 solved, 155 unsolved in 13366 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 31/47 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:53] [INFO ] Deduced a trap composed of 38 places in 45 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 156/318 variables, 162/210 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 155/365 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:55] [INFO ] Deduced a trap composed of 15 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 16:29:55] [INFO ] Deduced a trap composed of 24 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 16:29:55] [INFO ] Deduced a trap composed of 27 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:55] [INFO ] Deduced a trap composed of 27 places in 47 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/318 variables, 4/369 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:29:56] [INFO ] Deduced a trap composed of 25 places in 23 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/318 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:00] [INFO ] Deduced a trap along path composed of 9 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 16:30:00] [INFO ] Deduced a trap along path composed of 9 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 16:30:00] [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 16:30:01] [INFO ] Deduced a trap along path composed of 9 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 16:30:01] [INFO ] Deduced a trap along path composed of 13 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:01] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 6/376 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:04] [INFO ] Deduced a trap composed of 36 places in 38 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:11] [INFO ] Deduced a trap along path composed of 15 places in 22 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 378 constraints, problems are : Problem set: 0 solved, 155 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 43390ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 43391ms
Finished structural reductions in LTL mode , in 1 iterations and 43536 ms. Remains : 162/162 places, 156/156 transitions.
Computed a total of 40 stabilizing places and 40 stable transitions
Computed a total of 40 stabilizing places and 40 stable transitions
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 56 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[p1, p1, p1, p1, true]
RANDOM walk for 39392 steps (343 resets) in 95 ms. (410 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1)]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 1 factoid took 82 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[p1, p1, p1, p1, true]
Stuttering acceptance computed with spot in 159 ms :[p1, p1, p1, p1, true]
Stuttering acceptance computed with spot in 128 ms :[p1, p1, p1, p1, true]
Product exploration explored 100000 steps with 25000 reset in 57 ms.
Product exploration explored 100000 steps with 25000 reset in 64 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 136 ms :[p1, p1, p1, p1, true]
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 162/162 places, 156/156 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 162 transition count 156
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 4 rules applied. Total rules applied 52 place count 162 transition count 154
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 24 Pre rules applied. Total rules applied 52 place count 162 transition count 154
Deduced a syphon composed of 74 places in 0 ms
Iterating global reduction 2 with 24 rules applied. Total rules applied 76 place count 162 transition count 154
Discarding 39 places :
Symmetric choice reduction at 2 with 39 rule applications. Total rules 115 place count 123 transition count 115
Deduced a syphon composed of 35 places in 0 ms
Iterating global reduction 2 with 39 rules applied. Total rules applied 154 place count 123 transition count 115
Performed 38 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 73 places in 0 ms
Iterating global reduction 2 with 38 rules applied. Total rules applied 192 place count 123 transition count 111
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 215 place count 100 transition count 88
Deduced a syphon composed of 50 places in 0 ms
Iterating global reduction 2 with 23 rules applied. Total rules applied 238 place count 100 transition count 88
Deduced a syphon composed of 50 places in 0 ms
Applied a total of 238 rules in 24 ms. Remains 100 /162 variables (removed 62) and now considering 88/156 (removed 68) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 16:30:24] [INFO ] Redundant transitions in 1 ms returned []
Running 87 sub problems to find dead transitions.
// Phase 1: matrix 88 rows 100 cols
[2025-05-30 16:30:24] [INFO ] Computed 16 invariants in 1 ms
[2025-05-30 16:30:24] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 2 (OVERLAPS) 1/100 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 87 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 2 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 16:30:25] [INFO ] Deduced a trap composed of 2 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 16:30:25] [INFO ] Deduced a trap composed of 3 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 16:30:25] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 2 places in 17 ms of which 1 ms to minimize.
Problem TDEAD2 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 2 places in 17 ms of which 2 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 1 ms to minimize.
Problem TDEAD5 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 2 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 1 ms to minimize.
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 2 ms to minimize.
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 2 ms to minimize.
Problem TDEAD19 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 9 places in 21 ms of which 1 ms to minimize.
Problem TDEAD20 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 2 ms to minimize.
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:25] [INFO ] Deduced a trap composed of 7 places in 19 ms of which 1 ms to minimize.
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 15/31 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/31 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 6 (OVERLAPS) 88/188 variables, 100/131 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 15/146 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 0/146 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 9 (OVERLAPS) 0/188 variables, 0/146 constraints. Problems are: Problem set: 50 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 146 constraints, problems are : Problem set: 50 solved, 37 unsolved in 2116 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 100/100 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 87/87 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 50 solved, 37 unsolved
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: 50 solved, 37 unsolved
At refinement iteration 1 (OVERLAPS) 47/96 variables, 14/14 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 15/29 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/29 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 4 (OVERLAPS) 4/100 variables, 2/31 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/31 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 6 (OVERLAPS) 88/188 variables, 100/131 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 15/146 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 37/183 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/188 variables, 0/183 constraints. Problems are: Problem set: 50 solved, 37 unsolved
At refinement iteration 10 (OVERLAPS) 0/188 variables, 0/183 constraints. Problems are: Problem set: 50 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 183 constraints, problems are : Problem set: 50 solved, 37 unsolved in 2065 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 100/100 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 37/87 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4192ms problems are : Problem set: 50 solved, 37 unsolved
Search for dead transitions found 50 dead transitions in 4192ms
Found 50 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 50 transitions
Dead transitions reduction (with SMT) removed 50 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 100/162 places, 38/156 transitions.
Graph (complete) has 128 edges and 100 vertex of which 50 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.2 ms
Discarding 50 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 50 /100 variables (removed 50) and now considering 38/38 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 50/162 places, 38/156 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4231 ms. Remains : 50/162 places, 38/156 transitions.
Built C files in :
/tmp/ltsmin6616719554277559707
[2025-05-30 16:30:28] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6616719554277559707
Running compilation step : cd /tmp/ltsmin6616719554277559707;'/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 333 ms.
Running link step : cd /tmp/ltsmin6616719554277559707;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin6616719554277559707;'/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/stateBased9668588220957125411.hoa' '--buchi-type=spotba'
LTSmin run took 215 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-07 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-02b-LTLFireability-07 finished in 94275 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(p1)&&p0)))'
Support contains 5 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 171 transition count 166
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 171 transition count 166
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 171 transition count 165
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 30 place count 166 transition count 160
Iterating global reduction 1 with 5 rules applied. Total rules applied 35 place count 166 transition count 160
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 37 place count 164 transition count 158
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 164 transition count 158
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 41 place count 162 transition count 156
Iterating global reduction 1 with 2 rules applied. Total rules applied 43 place count 162 transition count 156
Applied a total of 43 rules in 19 ms. Remains 162 /183 variables (removed 21) and now considering 156/178 (removed 22) transitions.
// Phase 1: matrix 156 rows 162 cols
[2025-05-30 16:30:29] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:30:29] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-05-30 16:30:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:30:29] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Running 155 sub problems to find dead transitions.
[2025-05-30 16:30:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:30] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:30] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:30] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:30] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:30] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:30] [INFO ] Deduced a trap composed of 25 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 16:30:31] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:31] [INFO ] Deduced a trap composed of 17 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 16:30:31] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:31] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:31] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:31] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:31] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:31] [INFO ] Deduced a trap composed of 34 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:31] [INFO ] Deduced a trap composed of 35 places in 48 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:32] [INFO ] Deduced a trap composed of 30 places in 60 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:32] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:32] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:32] [INFO ] Deduced a trap composed of 41 places in 51 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:33] [INFO ] Deduced a trap composed of 31 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 16:30:33] [INFO ] Deduced a trap composed of 37 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 16:30:33] [INFO ] Deduced a trap composed of 39 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 16:30:33] [INFO ] Deduced a trap composed of 38 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 16:30:33] [INFO ] Deduced a trap composed of 39 places in 44 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:33] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:34] [INFO ] Deduced a trap composed of 35 places in 38 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:34] [INFO ] Deduced a trap composed of 39 places in 45 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:35] [INFO ] Deduced a trap composed of 40 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 16:30:35] [INFO ] Deduced a trap composed of 23 places in 50 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 9 (OVERLAPS) 156/318 variables, 162/207 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:37] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:38] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 13 (OVERLAPS) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 209 constraints, problems are : Problem set: 0 solved, 155 unsolved in 13371 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 31/47 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:43] [INFO ] Deduced a trap composed of 38 places in 41 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 156/318 variables, 162/210 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 155/365 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:45] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:45] [INFO ] Deduced a trap composed of 24 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 16:30:45] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:45] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/318 variables, 4/369 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:46] [INFO ] Deduced a trap composed of 25 places in 24 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/318 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:50] [INFO ] Deduced a trap along path composed of 9 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 16:30:50] [INFO ] Deduced a trap along path composed of 9 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 16:30:50] [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 16:30:51] [INFO ] Deduced a trap along path composed of 9 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:51] [INFO ] Deduced a trap along path composed of 13 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:51] [INFO ] Deduced a trap along path composed of 7 places in 21 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 6/376 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:30:54] [INFO ] Deduced a trap composed of 36 places in 51 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:01] [INFO ] Deduced a trap along path composed of 15 places in 25 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 378 constraints, problems are : Problem set: 0 solved, 155 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 43391ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 43392ms
Starting structural reductions in LTL mode, iteration 1 : 162/183 places, 156/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43550 ms. Remains : 162/183 places, 156/178 transitions.
Stuttering acceptance computed with spot in 101 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-08 finished in 43664 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 183 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 182 transition count 117
Reduce places removed 60 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 69 rules applied. Total rules applied 129 place count 122 transition count 108
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 133 place count 118 transition count 108
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 26 Pre rules applied. Total rules applied 133 place count 118 transition count 82
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 185 place count 92 transition count 82
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 194 place count 83 transition count 73
Iterating global reduction 3 with 9 rules applied. Total rules applied 203 place count 83 transition count 73
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 203 place count 83 transition count 68
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 213 place count 78 transition count 68
Performed 27 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 3 with 54 rules applied. Total rules applied 267 place count 51 transition count 39
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 268 place count 50 transition count 38
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 6 rules applied. Total rules applied 274 place count 46 transition count 36
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 276 place count 44 transition count 36
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 2 Pre rules applied. Total rules applied 276 place count 44 transition count 34
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 280 place count 42 transition count 34
Applied a total of 280 rules in 10 ms. Remains 42 /183 variables (removed 141) and now considering 34/178 (removed 144) transitions.
// Phase 1: matrix 34 rows 42 cols
[2025-05-30 16:31:12] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:31:12] [INFO ] Implicit Places using invariants in 30 ms returned [14, 22, 36, 41]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 31 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 38/183 places, 34/178 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 36 transition count 32
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 36 transition count 32
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 35 transition count 31
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 35 transition count 31
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 34 transition count 30
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 34 transition count 30
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 12 place count 32 transition count 28
Applied a total of 12 rules in 2 ms. Remains 32 /38 variables (removed 6) and now considering 28/34 (removed 6) transitions.
// Phase 1: matrix 28 rows 32 cols
[2025-05-30 16:31:12] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:31:12] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 16:31:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:31:12] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 32/183 places, 28/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 127 ms. Remains : 32/183 places, 28/178 transitions.
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-09
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-09 finished in 161 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F((G(F(p0))||(F(p0)&&G(p1)))))||(X(X(X(p2)))&&F((G(F(p0))||(F(p0)&&G(p1))))))))'
Support contains 3 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 172 transition count 167
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 172 transition count 167
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 172 transition count 166
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 28 place count 167 transition count 161
Iterating global reduction 1 with 5 rules applied. Total rules applied 33 place count 167 transition count 161
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 35 place count 165 transition count 159
Iterating global reduction 1 with 2 rules applied. Total rules applied 37 place count 165 transition count 159
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 39 place count 163 transition count 157
Iterating global reduction 1 with 2 rules applied. Total rules applied 41 place count 163 transition count 157
Applied a total of 41 rules in 12 ms. Remains 163 /183 variables (removed 20) and now considering 157/178 (removed 21) transitions.
// Phase 1: matrix 157 rows 163 cols
[2025-05-30 16:31:13] [INFO ] Computed 16 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:31:13] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-05-30 16:31:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:31:13] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 197 ms to find 0 implicit places.
Running 156 sub problems to find dead transitions.
[2025-05-30 16:31:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:14] [INFO ] Deduced a trap composed of 24 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 16:31:14] [INFO ] Deduced a trap composed of 34 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:14] [INFO ] Deduced a trap composed of 35 places in 41 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:14] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:14] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:14] [INFO ] Deduced a trap composed of 16 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 16:31:14] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:14] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:14] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 18 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 16:31:15] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 26 places in 48 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 40 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 16:31:15] [INFO ] Deduced a trap composed of 25 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 23 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:15] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:16] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:16] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:16] [INFO ] Deduced a trap composed of 39 places in 42 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:17] [INFO ] Deduced a trap composed of 30 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:17] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:17] [INFO ] Deduced a trap composed of 39 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 16:31:17] [INFO ] Deduced a trap composed of 44 places in 38 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 4/43 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (OVERLAPS) 157/320 variables, 163/206 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:19] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/320 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:22] [INFO ] Deduced a trap composed of 38 places in 43 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/320 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/320 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 12 (OVERLAPS) 0/320 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
No progress, stopping.
After SMT solving in domain Real declared 320/320 variables, and 208 constraints, problems are : Problem set: 0 solved, 156 unsolved in 13976 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 29/45 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:27] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:27] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (OVERLAPS) 157/320 variables, 163/210 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/320 variables, 156/366 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:29] [INFO ] Deduced a trap composed of 24 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 16:31:29] [INFO ] Deduced a trap composed of 25 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 16:31:29] [INFO ] Deduced a trap composed of 27 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 16:31:30] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/320 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:31] [INFO ] Deduced a trap composed of 27 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:32] [INFO ] Deduced a trap composed of 43 places in 39 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:34] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/320 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:38] [INFO ] Deduced a trap along path composed of 9 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 16:31:38] [INFO ] Deduced a trap along path composed of 15 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:38] [INFO ] Deduced a trap along path composed of 9 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 16:31:38] [INFO ] Deduced a trap along path composed of 9 places in 23 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/320 variables, 4/377 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/320 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:31:53] [INFO ] Deduced a trap along path composed of 13 places in 26 ms of which 0 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/320 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 320/320 variables, and 378 constraints, problems are : Problem set: 0 solved, 156 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 43996ms problems are : Problem set: 0 solved, 156 unsolved
Search for dead transitions found 0 dead transitions in 43997ms
Starting structural reductions in LTL mode, iteration 1 : 163/183 places, 157/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44206 ms. Remains : 163/183 places, 157/178 transitions.
Stuttering acceptance computed with spot in 681 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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)), (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)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-10
Product exploration explored 100000 steps with 1689 reset in 200 ms.
Product exploration explored 100000 steps with 1697 reset in 238 ms.
Computed a total of 40 stabilizing places and 40 stable transitions
Computed a total of 40 stabilizing places and 40 stable transitions
Detected a total of 40/163 stabilizing places and 40/157 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 p2), (X p0), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 162 ms. Reduced automaton from 17 states, 46 edges and 3 AP (stutter sensitive) to 14 states, 32 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 569 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (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)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (349 resets) in 200 ms. (199 steps per ms) remains 5/9 properties
BEST_FIRST walk for 40003 steps (46 resets) in 71 ms. (555 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40004 steps (45 resets) in 108 ms. (367 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40004 steps (46 resets) in 47 ms. (833 steps per ms) remains 2/2 properties
[2025-05-30 16:31:59] [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) 69/72 variables, 4/4 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 16:31:59] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 78/150 variables, 11/16 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 16:31:59] [INFO ] Deduced a trap composed of 17 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 16:31:59] [INFO ] Deduced a trap composed of 25 places in 29 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 13/163 variables, 1/19 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 16:31:59] [INFO ] Deduced a trap composed of 24 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 16:31:59] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 5 ms to minimize.
Problem apf6 is UNSAT
Problem apf8 is UNSAT
After SMT solving in domain Real declared 163/320 variables, and 21 constraints, problems are : Problem set: 2 solved, 0 unsolved in 253 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/163 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 260ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 p2), (X p0), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (G (OR p2 p0 p1)), (G (OR p2 p1))]
False Knowledge obtained : [(F (NOT (OR p2 p0 (NOT p1)))), (F (NOT (OR p2 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT p2)), (F (NOT (OR p2 p0))), (F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 12 factoid took 580 ms. Reduced automaton from 14 states, 32 edges and 3 AP (stutter sensitive) to 11 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 432 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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 p1) (NOT p2))]
Stuttering acceptance computed with spot in 405 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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 p1) (NOT p2))]
Support contains 3 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 157/157 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 157/157 (removed 0) transitions.
[2025-05-30 16:32:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:32:01] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-05-30 16:32:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:32:01] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Running 156 sub problems to find dead transitions.
[2025-05-30 16:32:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 24 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 16:32:02] [INFO ] Deduced a trap composed of 34 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 35 places in 40 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 16 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 16:32:02] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 16 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 16:32:02] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:02] [INFO ] Deduced a trap composed of 18 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 16:32:03] [INFO ] Deduced a trap composed of 20 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:03] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:03] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:03] [INFO ] Deduced a trap composed of 26 places in 48 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:03] [INFO ] Deduced a trap composed of 20 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 16:32:03] [INFO ] Deduced a trap composed of 40 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 16:32:03] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:03] [INFO ] Deduced a trap composed of 23 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 16:32:03] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:04] [INFO ] Deduced a trap composed of 26 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 16:32:04] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:04] [INFO ] Deduced a trap composed of 39 places in 43 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:04] [INFO ] Deduced a trap composed of 30 places in 52 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:04] [INFO ] Deduced a trap composed of 31 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:05] [INFO ] Deduced a trap composed of 39 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 16:32:05] [INFO ] Deduced a trap composed of 44 places in 40 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 4/43 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (OVERLAPS) 157/320 variables, 163/206 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:07] [INFO ] Deduced a trap composed of 31 places in 45 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/320 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:10] [INFO ] Deduced a trap composed of 38 places in 34 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/320 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/320 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 12 (OVERLAPS) 0/320 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
No progress, stopping.
After SMT solving in domain Real declared 320/320 variables, and 208 constraints, problems are : Problem set: 0 solved, 156 unsolved in 13714 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 29/45 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:15] [INFO ] Deduced a trap composed of 15 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 16:32:15] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (OVERLAPS) 157/320 variables, 163/210 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/320 variables, 156/366 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:17] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:17] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:17] [INFO ] Deduced a trap composed of 27 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 16:32:18] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/320 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:19] [INFO ] Deduced a trap composed of 27 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 16:32:19] [INFO ] Deduced a trap composed of 43 places in 44 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:21] [INFO ] Deduced a trap composed of 36 places in 52 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/320 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:25] [INFO ] Deduced a trap along path composed of 9 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 16:32:25] [INFO ] Deduced a trap along path composed of 15 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 16:32:25] [INFO ] Deduced a trap along path composed of 9 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 16:32:26] [INFO ] Deduced a trap along path composed of 9 places in 24 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/320 variables, 4/377 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/320 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:41] [INFO ] Deduced a trap along path composed of 13 places in 21 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/320 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 320/320 variables, and 378 constraints, problems are : Problem set: 0 solved, 156 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 43735ms problems are : Problem set: 0 solved, 156 unsolved
Search for dead transitions found 0 dead transitions in 43735ms
Finished structural reductions in LTL mode , in 1 iterations and 43884 ms. Remains : 163/163 places, 157/157 transitions.
Computed a total of 40 stabilizing places and 40 stable transitions
Computed a total of 40 stabilizing places and 40 stable transitions
Detected a total of 40/163 stabilizing places and 40/157 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 142 ms. Reduced automaton from 11 states, 20 edges and 3 AP (stutter sensitive) to 11 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 420 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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 p1) (NOT p2))]
RANDOM walk for 40000 steps (351 resets) in 99 ms. (400 steps per ms) remains 2/5 properties
BEST_FIRST walk for 40001 steps (45 resets) in 35 ms. (1111 steps per ms) remains 1/2 properties
BEST_FIRST walk for 32751 steps (36 resets) in 17 ms. (1819 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p2)), (F (NOT (OR p2 p0))), (F (NOT p0))]
Knowledge based reduction with 8 factoid took 327 ms. Reduced automaton from 11 states, 20 edges and 3 AP (stutter sensitive) to 11 states, 20 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 439 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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 p1) (NOT p2))]
Stuttering acceptance computed with spot in 439 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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 p1) (NOT p2))]
Stuttering acceptance computed with spot in 412 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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 p1) (NOT p2))]
Product exploration explored 100000 steps with 1682 reset in 121 ms.
Product exploration explored 100000 steps with 1674 reset in 121 ms.
Applying partial POR strategy [false, true, true, false, true, false, true, false, true, false, true]
Stuttering acceptance computed with spot in 345 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (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 p1) (NOT p2))]
Support contains 3 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 157/157 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 163 transition count 157
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 4 rules applied. Total rules applied 52 place count 163 transition count 155
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 23 Pre rules applied. Total rules applied 52 place count 163 transition count 155
Deduced a syphon composed of 73 places in 0 ms
Iterating global reduction 2 with 23 rules applied. Total rules applied 75 place count 163 transition count 155
Discarding 38 places :
Symmetric choice reduction at 2 with 38 rule applications. Total rules 113 place count 125 transition count 117
Deduced a syphon composed of 35 places in 0 ms
Iterating global reduction 2 with 38 rules applied. Total rules applied 151 place count 125 transition count 117
Performed 37 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 72 places in 0 ms
Iterating global reduction 2 with 37 rules applied. Total rules applied 188 place count 125 transition count 113
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 211 place count 102 transition count 90
Deduced a syphon composed of 49 places in 0 ms
Iterating global reduction 2 with 23 rules applied. Total rules applied 234 place count 102 transition count 90
Deduced a syphon composed of 49 places in 0 ms
Applied a total of 234 rules in 18 ms. Remains 102 /163 variables (removed 61) and now considering 90/157 (removed 67) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 16:32:47] [INFO ] Redundant transitions in 1 ms returned []
Running 89 sub problems to find dead transitions.
// Phase 1: matrix 90 rows 102 cols
[2025-05-30 16:32:47] [INFO ] Computed 16 invariants in 1 ms
[2025-05-30 16:32:47] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (OVERLAPS) 1/102 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 89 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 2 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 16:32:48] [INFO ] Deduced a trap composed of 2 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 16:32:48] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 3 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 9 places in 19 ms of which 1 ms to minimize.
Problem TDEAD2 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 2 places in 18 ms of which 1 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 4 ms to minimize.
Problem TDEAD4 is UNSAT
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 4 places in 18 ms of which 1 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 2 ms to minimize.
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 2 ms to minimize.
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:48] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 1 ms to minimize.
Problem TDEAD22 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:49] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 2 ms to minimize.
Problem TDEAD24 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:49] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 3 ms to minimize.
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:49] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 2 ms to minimize.
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD85 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 17/33 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/33 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 6 (OVERLAPS) 90/192 variables, 102/135 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 15/150 constraints. Problems are: Problem set: 49 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:49] [INFO ] Deduced a trap along path composed of 6 places in 25 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 1/151 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/151 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/151 constraints. Problems are: Problem set: 49 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 151 constraints, problems are : Problem set: 49 solved, 40 unsolved in 2688 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 102/102 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 49 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 0/0 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 46/98 variables, 14/14 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 17/31 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/31 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 4/102 variables, 2/33 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/33 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 6 (OVERLAPS) 90/192 variables, 102/135 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 15/150 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 40/190 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 1/191 constraints. Problems are: Problem set: 49 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:32:52] [INFO ] Deduced a trap along path composed of 8 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/192 variables, 1/192 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 49 solved, 40 unsolved
At refinement iteration 12 (OVERLAPS) 0/192 variables, 0/192 constraints. Problems are: Problem set: 49 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 192 constraints, problems are : Problem set: 49 solved, 40 unsolved in 4897 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 102/102 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 40/89 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 7595ms problems are : Problem set: 49 solved, 40 unsolved
Search for dead transitions found 49 dead transitions in 7595ms
Found 49 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 49 transitions
Dead transitions reduction (with SMT) removed 49 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 102/163 places, 41/157 transitions.
Graph (complete) has 131 edges and 102 vertex of which 53 are kept as prefixes of interest. Removing 49 places using SCC suffix rule.1 ms
Discarding 49 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 4 ms. Remains 53 /102 variables (removed 49) and now considering 41/41 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 53/163 places, 41/157 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 7623 ms. Remains : 53/163 places, 41/157 transitions.
Built C files in :
/tmp/ltsmin13133918146147575067
[2025-05-30 16:32:55] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13133918146147575067
Running compilation step : cd /tmp/ltsmin13133918146147575067;'/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 232 ms.
Running link step : cd /tmp/ltsmin13133918146147575067;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin13133918146147575067;'/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/stateBased9330816023003937620.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 157/157 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 157/157 (removed 0) transitions.
// Phase 1: matrix 157 rows 163 cols
[2025-05-30 16:33:10] [INFO ] Computed 16 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:33:10] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-05-30 16:33:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:33:10] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
Running 156 sub problems to find dead transitions.
[2025-05-30 16:33:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [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 16:33:12] [INFO ] Deduced a trap composed of 34 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 35 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 19 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 16:33:12] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 16 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 16:33:12] [INFO ] Deduced a trap composed of 25 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 18 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 16:33:12] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:12] [INFO ] Deduced a trap composed of 40 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 16:33:13] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:13] [INFO ] Deduced a trap composed of 23 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 16:33:13] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:13] [INFO ] Deduced a trap composed of 26 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 16:33:14] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:14] [INFO ] Deduced a trap composed of 39 places in 44 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:14] [INFO ] Deduced a trap composed of 30 places in 63 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:14] [INFO ] Deduced a trap composed of 31 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:14] [INFO ] Deduced a trap composed of 39 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 16:33:14] [INFO ] Deduced a trap composed of 44 places in 48 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 4/43 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (OVERLAPS) 157/320 variables, 163/206 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:16] [INFO ] Deduced a trap composed of 31 places in 44 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/320 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:19] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/320 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/320 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 12 (OVERLAPS) 0/320 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 156 unsolved
No progress, stopping.
After SMT solving in domain Real declared 320/320 variables, and 208 constraints, problems are : Problem set: 0 solved, 156 unsolved in 13614 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 29/45 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:25] [INFO ] Deduced a trap composed of 15 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 16:33:25] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (OVERLAPS) 157/320 variables, 163/210 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/320 variables, 156/366 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:26] [INFO ] Deduced a trap composed of 24 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 16:33:26] [INFO ] Deduced a trap composed of 25 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 16:33:27] [INFO ] Deduced a trap composed of 27 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 16:33:27] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/320 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:29] [INFO ] Deduced a trap composed of 27 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 16:33:29] [INFO ] Deduced a trap composed of 43 places in 47 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:31] [INFO ] Deduced a trap composed of 36 places in 46 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/320 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:35] [INFO ] Deduced a trap along path composed of 9 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 16:33:35] [INFO ] Deduced a trap along path composed of 15 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 16:33:35] [INFO ] Deduced a trap along path composed of 9 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 16:33:35] [INFO ] Deduced a trap along path composed of 9 places in 24 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/320 variables, 4/377 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/320 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:33:50] [INFO ] Deduced a trap along path composed of 13 places in 28 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/320 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 156 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 320/320 variables, and 378 constraints, problems are : Problem set: 0 solved, 156 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 163/163 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 43640ms problems are : Problem set: 0 solved, 156 unsolved
Search for dead transitions found 0 dead transitions in 43641ms
Finished structural reductions in LTL mode , in 1 iterations and 43804 ms. Remains : 163/163 places, 157/157 transitions.
Built C files in :
/tmp/ltsmin7561883978780743099
[2025-05-30 16:33:54] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7561883978780743099
Running compilation step : cd /tmp/ltsmin7561883978780743099;'/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 236 ms.
Running link step : cd /tmp/ltsmin7561883978780743099;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin7561883978780743099;'/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/stateBased14504757599505594272.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-30 16:34:09] [INFO ] Flatten gal took : 9 ms
[2025-05-30 16:34:09] [INFO ] Flatten gal took : 8 ms
[2025-05-30 16:34:09] [INFO ] Time to serialize gal into /tmp/LTL5102852833659478702.gal : 2 ms
[2025-05-30 16:34:09] [INFO ] Time to serialize properties into /tmp/LTL1245193639229806402.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5102852833659478702.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8295707034719536200.hoa' '-atoms' '/tmp/LTL1245193639229806402.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL1245193639229806402.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8295707034719536200.hoa
Reverse transition relation is NOT exact ! Due to transitions t1, t3, t7, t10, t11, t12, t20, t28, t39, t46, t57, t61, t63, t64, t75, t77, t78, t89, t96, t...326
Computing Next relation with stutter on 40 deadlock states
Detected timeout of ITS tools.
[2025-05-30 16:34:24] [INFO ] Flatten gal took : 7 ms
[2025-05-30 16:34:24] [INFO ] Flatten gal took : 7 ms
[2025-05-30 16:34:24] [INFO ] Time to serialize gal into /tmp/LTL10251019689177480663.gal : 1 ms
[2025-05-30 16:34:24] [INFO ] Time to serialize properties into /tmp/LTL5614409883527910861.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10251019689177480663.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5614409883527910861.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((F((G(F((G(F("(p168!=1)")))||((F("(p168!=1)"))&&(G("(p81!=1)"))))))||((F((G(F("(p168!=1)")))||((F("(p168!=1)"))&&(G("(p81!=1)")))))&...181
Formula 0 simplified : G(FG!"(p168!=1)" & (G(FG!"(p168!=1)" & (G!"(p168!=1)" | F!"(p81!=1)")) | XXX!"(p58!=1)"))
Reverse transition relation is NOT exact ! Due to transitions t1, t3, t7, t10, t11, t12, t20, t28, t39, t46, t57, t61, t63, t64, t75, t77, t78, t89, t96, t...326
Computing Next relation with stutter on 40 deadlock states
Detected timeout of ITS tools.
[2025-05-30 16:34:39] [INFO ] Flatten gal took : 13 ms
[2025-05-30 16:34:39] [INFO ] Applying decomposition
[2025-05-30 16:34:39] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2086581097366441314.txt' '-o' '/tmp/graph2086581097366441314.bin' '-w' '/tmp/graph2086581097366441314.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2086581097366441314.bin' '-l' '-1' '-v' '-w' '/tmp/graph2086581097366441314.weights' '-q' '0' '-e' '0.001'
[2025-05-30 16:34:39] [INFO ] Decomposing Gal with order
[2025-05-30 16:34:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 16:34:39] [INFO ] Removed a total of 35 redundant transitions.
[2025-05-30 16:34:39] [INFO ] Flatten gal took : 56 ms
[2025-05-30 16:34:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2025-05-30 16:34:39] [INFO ] Time to serialize gal into /tmp/LTL10350290784469776815.gal : 4 ms
[2025-05-30 16:34:39] [INFO ] Time to serialize properties into /tmp/LTL4582847093956571804.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10350290784469776815.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4582847093956571804.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((F((G(F((G(F("(i14.i1.u58.p168!=1)")))||((F("(i14.i1.u58.p168!=1)"))&&(G("(i6.u23.p81!=1)"))))))||((F((G(F("(i14.i1.u58.p168!=1)")))...246
Formula 0 simplified : G(FG!"(i14.i1.u58.p168!=1)" & (G(FG!"(i14.i1.u58.p168!=1)" & (G!"(i14.i1.u58.p168!=1)" | F!"(i6.u23.p81!=1)")) | XXX!"(i4.u16.p58!=1...159
Reverse transition relation is NOT exact ! Due to transitions t64, t75, t78, t100, t110, t130, t171, t172, t173, i0.t61, i0.i1.t63, i1.u6.t1, i1.u6.t140, i...475
Computing Next relation with stutter on 40 deadlock states
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
28 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.310347,36156,1,0,45589,157,2280,49775,126,425,121687
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA AutoFlight-PT-02b-LTLFireability-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property AutoFlight-PT-02b-LTLFireability-10 finished in 207349 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||F(p1)))))'
Support contains 2 out of 183 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 58 transitions
Trivial Post-agglo rules discarded 58 transitions
Performed 58 trivial Post agglomeration. Transition count delta: 58
Iterating post reduction 0 with 58 rules applied. Total rules applied 58 place count 182 transition count 119
Reduce places removed 58 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 66 rules applied. Total rules applied 124 place count 124 transition count 111
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 5 rules applied. Total rules applied 129 place count 120 transition count 110
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 130 place count 119 transition count 110
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 26 Pre rules applied. Total rules applied 130 place count 119 transition count 84
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 4 with 52 rules applied. Total rules applied 182 place count 93 transition count 84
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 192 place count 83 transition count 74
Iterating global reduction 4 with 10 rules applied. Total rules applied 202 place count 83 transition count 74
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 202 place count 83 transition count 69
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 212 place count 78 transition count 69
Performed 26 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 4 with 52 rules applied. Total rules applied 264 place count 52 transition count 41
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 265 place count 51 transition count 40
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 6 rules applied. Total rules applied 271 place count 47 transition count 38
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 273 place count 45 transition count 38
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 273 place count 45 transition count 36
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 277 place count 43 transition count 36
Applied a total of 277 rules in 18 ms. Remains 43 /183 variables (removed 140) and now considering 36/178 (removed 142) transitions.
// Phase 1: matrix 36 rows 43 cols
[2025-05-30 16:34:40] [INFO ] Computed 12 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:34:40] [INFO ] Implicit Places using invariants in 45 ms returned [15, 25, 33, 37, 42]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 48 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 38/183 places, 36/178 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 35 transition count 33
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 35 transition count 33
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 34 transition count 32
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 34 transition count 32
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 33 transition count 31
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 33 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 32 transition count 30
Applied a total of 12 rules in 2 ms. Remains 32 /38 variables (removed 6) and now considering 30/36 (removed 6) transitions.
// Phase 1: matrix 30 rows 32 cols
[2025-05-30 16:34:40] [INFO ] Computed 7 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:34:40] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-05-30 16:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:34:40] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 32/183 places, 30/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 170 ms. Remains : 32/183 places, 30/178 transitions.
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-12
Stuttering criterion allowed to conclude after 22 steps with 2 reset in 0 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-12 finished in 262 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 171 transition count 166
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 171 transition count 166
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 171 transition count 165
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 30 place count 166 transition count 160
Iterating global reduction 1 with 5 rules applied. Total rules applied 35 place count 166 transition count 160
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 37 place count 164 transition count 158
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 164 transition count 158
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 41 place count 162 transition count 156
Iterating global reduction 1 with 2 rules applied. Total rules applied 43 place count 162 transition count 156
Applied a total of 43 rules in 15 ms. Remains 162 /183 variables (removed 21) and now considering 156/178 (removed 22) transitions.
// Phase 1: matrix 156 rows 162 cols
[2025-05-30 16:34:40] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:34:40] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-05-30 16:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:34:40] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
Running 155 sub problems to find dead transitions.
[2025-05-30 16:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 16 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 16:34:42] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 16 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 16:34:42] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 17 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 16:34:42] [INFO ] Deduced a trap composed of 17 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 16:34:42] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 19 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 16:34:42] [INFO ] Deduced a trap composed of 34 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:42] [INFO ] Deduced a trap composed of 35 places in 39 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:43] [INFO ] Deduced a trap composed of 30 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:43] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:43] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:44] [INFO ] Deduced a trap composed of 41 places in 42 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:44] [INFO ] Deduced a trap composed of 31 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 16:34:44] [INFO ] Deduced a trap composed of 37 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 16:34:44] [INFO ] Deduced a trap composed of 39 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 16:34:44] [INFO ] Deduced a trap composed of 38 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 16:34:44] [INFO ] Deduced a trap composed of 39 places in 40 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:45] [INFO ] Deduced a trap composed of 26 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 16:34:45] [INFO ] Deduced a trap composed of 35 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:45] [INFO ] Deduced a trap composed of 39 places in 41 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:46] [INFO ] Deduced a trap composed of 40 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 16:34:46] [INFO ] Deduced a trap composed of 23 places in 47 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 9 (OVERLAPS) 156/318 variables, 162/207 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:48] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:49] [INFO ] Deduced a trap composed of 31 places in 48 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 13 (OVERLAPS) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 209 constraints, problems are : Problem set: 0 solved, 155 unsolved in 13166 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 31/47 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:54] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 156/318 variables, 162/210 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 155/365 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:56] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:56] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:56] [INFO ] Deduced a trap composed of 27 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:56] [INFO ] Deduced a trap composed of 27 places in 56 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/318 variables, 4/369 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:34:58] [INFO ] Deduced a trap composed of 25 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/318 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:01] [INFO ] Deduced a trap along path composed of 9 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:01] [INFO ] Deduced a trap along path composed of 9 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 16:35:01] [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 16:35:02] [INFO ] Deduced a trap along path composed of 9 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 16:35:02] [INFO ] Deduced a trap along path composed of 13 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 16:35:03] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 6/376 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:05] [INFO ] Deduced a trap composed of 36 places in 52 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:12] [INFO ] Deduced a trap along path composed of 15 places in 24 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 378 constraints, problems are : Problem set: 0 solved, 155 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 43190ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 43191ms
Starting structural reductions in LTL mode, iteration 1 : 162/183 places, 156/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43367 ms. Remains : 162/183 places, 156/178 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-13
Stuttering criterion allowed to conclude after 183 steps with 1 reset in 1 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-13 finished in 43455 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U (p1&&G(p0)))))'
Support contains 2 out of 183 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 183/183 places, 178/178 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 171 transition count 166
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 171 transition count 166
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 171 transition count 165
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 30 place count 166 transition count 160
Iterating global reduction 1 with 5 rules applied. Total rules applied 35 place count 166 transition count 160
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 37 place count 164 transition count 158
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 164 transition count 158
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 41 place count 162 transition count 156
Iterating global reduction 1 with 2 rules applied. Total rules applied 43 place count 162 transition count 156
Applied a total of 43 rules in 12 ms. Remains 162 /183 variables (removed 21) and now considering 156/178 (removed 22) transitions.
[2025-05-30 16:35:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:35:24] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-05-30 16:35:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:35:24] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Running 155 sub problems to find dead transitions.
[2025-05-30 16:35:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:25] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:25] [INFO ] Deduced a trap composed of 19 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:25] [INFO ] Deduced a trap composed of 16 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 16:35:25] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:25] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:25] [INFO ] Deduced a trap composed of 25 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 16:35:25] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:25] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:26] [INFO ] Deduced a trap composed of 20 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:26] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:26] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:26] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:26] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:26] [INFO ] Deduced a trap composed of 34 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 16:35:26] [INFO ] Deduced a trap composed of 35 places in 47 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:27] [INFO ] Deduced a trap composed of 30 places in 60 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:27] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:27] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:27] [INFO ] Deduced a trap composed of 41 places in 49 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:28] [INFO ] Deduced a trap composed of 31 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:28] [INFO ] Deduced a trap composed of 37 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 16:35:28] [INFO ] Deduced a trap composed of 39 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 16:35:28] [INFO ] Deduced a trap composed of 38 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 16:35:28] [INFO ] Deduced a trap composed of 39 places in 42 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:28] [INFO ] Deduced a trap composed of 26 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 16:35:29] [INFO ] Deduced a trap composed of 35 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:29] [INFO ] Deduced a trap composed of 39 places in 50 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:30] [INFO ] Deduced a trap composed of 40 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 16:35:30] [INFO ] Deduced a trap composed of 23 places in 46 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 9 (OVERLAPS) 156/318 variables, 162/207 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:32] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:33] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 13 (OVERLAPS) 0/318 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 209 constraints, problems are : Problem set: 0 solved, 155 unsolved in 13693 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 31/47 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:38] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 156/318 variables, 162/210 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/318 variables, 155/365 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:40] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:40] [INFO ] Deduced a trap composed of 24 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 16:35:40] [INFO ] Deduced a trap composed of 27 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:40] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/318 variables, 4/369 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:42] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/318 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:45] [INFO ] Deduced a trap along path composed of 9 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 16:35:45] [INFO ] Deduced a trap along path composed of 9 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 16:35:45] [INFO ] Deduced a trap along path composed of 4 places in 38 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:46] [INFO ] Deduced a trap along path composed of 9 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:47] [INFO ] Deduced a trap along path composed of 13 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:47] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/318 variables, 6/376 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:49] [INFO ] Deduced a trap composed of 36 places in 50 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/318 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:35:57] [INFO ] Deduced a trap along path composed of 15 places in 25 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/318 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 378 constraints, problems are : Problem set: 0 solved, 155 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 38/38 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 43713ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 43714ms
Starting structural reductions in LTL mode, iteration 1 : 162/183 places, 156/178 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43876 ms. Remains : 162/183 places, 156/178 transitions.
Stuttering acceptance computed with spot in 141 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AutoFlight-PT-02b-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-02b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-02b-LTLFireability-14 finished in 44028 ms.
All properties solved by simple procedures.
Total runtime 667813 ms.

BK_STOP 1748622968127

--------------------
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="AutoFlight-PT-02b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is AutoFlight-PT-02b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-tall-174853729300468"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-02b.tgz
mv AutoFlight-PT-02b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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