Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729300452.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-01b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729300452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 416K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K 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 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 26K 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-01b-LTLFireability-00
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-01
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-02
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-03
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-04
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-05
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-06
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-07
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-08
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-09
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-10
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-11
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-12
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-13
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-14
FORMULA_NAME AutoFlight-PT-01b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748621734206

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-01b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 16:15:35] [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 16:15:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 16:15:35] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2025-05-30 16:15:35] [INFO ] Transformed 114 places.
[2025-05-30 16:15:35] [INFO ] Transformed 112 transitions.
[2025-05-30 16:15:35] [INFO ] Found NUPN structural information;
[2025-05-30 16:15:35] [INFO ] Parsed PT model containing 114 places and 112 transitions and 264 arcs in 139 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA AutoFlight-PT-01b-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-01b-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 out of 114 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 114/114 places, 112/112 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 106 transition count 104
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 106 transition count 104
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 106 transition count 103
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 19 place count 104 transition count 101
Iterating global reduction 1 with 2 rules applied. Total rules applied 21 place count 104 transition count 101
Applied a total of 21 rules in 52 ms. Remains 104 /114 variables (removed 10) and now considering 101/112 (removed 11) transitions.
// Phase 1: matrix 101 rows 104 cols
[2025-05-30 16:15:36] [INFO ] Computed 10 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:15:36] [INFO ] Implicit Places using invariants in 271 ms returned []
[2025-05-30 16:15:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:15:36] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 530 ms to find 0 implicit places.
Running 100 sub problems to find dead transitions.
[2025-05-30 16:15:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (OVERLAPS) 1/104 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:37] [INFO ] Deduced a trap composed of 24 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 16:15:37] [INFO ] Deduced a trap composed of 27 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 16:15:37] [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 16:15:37] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:37] [INFO ] Deduced a trap composed of 25 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 16:15:37] [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 16:15:38] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:38] [INFO ] Deduced a trap composed of 32 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 16:15:38] [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 16:15:38] [INFO ] Deduced a trap composed of 29 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:38] [INFO ] Deduced a trap composed of 18 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 16:15:38] [INFO ] Deduced a trap composed of 23 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 16:15:38] [INFO ] Deduced a trap composed of 22 places in 57 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/104 variables, 13/23 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:39] [INFO ] Deduced a trap composed of 31 places in 41 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (OVERLAPS) 101/205 variables, 104/128 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:40] [INFO ] Deduced a trap composed of 27 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 16:15:40] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 2/130 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/205 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 205/205 variables, and 130 constraints, problems are : Problem set: 0 solved, 100 unsolved in 5724 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (OVERLAPS) 1/104 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/104 variables, 16/26 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:42] [INFO ] Deduced a trap composed of 24 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 16:15:42] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:43] [INFO ] Deduced a trap composed of 34 places in 37 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (OVERLAPS) 101/205 variables, 104/133 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 100/233 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:44] [INFO ] Deduced a trap composed of 15 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 16:15:44] [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 16:15:44] [INFO ] Deduced a trap composed of 26 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 16:15:44] [INFO ] Deduced a trap composed of 27 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 16:15:44] [INFO ] Deduced a trap composed of 23 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 16:15:44] [INFO ] Deduced a trap composed of 32 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 16:15:44] [INFO ] Deduced a trap composed of 33 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:44] [INFO ] Deduced a trap composed of 34 places in 43 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 8/241 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:45] [INFO ] Deduced a trap composed of 28 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 16:15:45] [INFO ] Deduced a trap composed of 32 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 16:15:45] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/205 variables, 3/244 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:46] [INFO ] Deduced a trap along path composed of 10 places in 51 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:46] [INFO ] Deduced a trap along path composed of 9 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:46] [INFO ] Deduced a trap along path composed of 10 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 16:15:46] [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) 0/205 variables, 4/248 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:48] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:48] [INFO ] Deduced a trap composed of 36 places in 52 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/205 variables, 2/250 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:15:51] [INFO ] Deduced a trap along path composed of 11 places in 30 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/205 variables, 1/251 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 15 (OVERLAPS) 0/205 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Int declared 205/205 variables, and 251 constraints, problems are : Problem set: 0 solved, 100 unsolved in 22068 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 32/32 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 27851ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 27861ms
Starting structural reductions in LTL mode, iteration 1 : 104/114 places, 101/112 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 28468 ms. Remains : 104/114 places, 101/112 transitions.
Support contains 38 out of 104 places after structural reductions.
[2025-05-30 16:16:04] [INFO ] Flatten gal took : 44 ms
[2025-05-30 16:16:04] [INFO ] Flatten gal took : 14 ms
[2025-05-30 16:16:04] [INFO ] Input system was already deterministic with 101 transitions.
Support contains 37 out of 104 places (down from 38) after GAL structural reductions.
RANDOM walk for 40000 steps (596 resets) in 1237 ms. (32 steps per ms) remains 1/31 properties
BEST_FIRST walk for 40004 steps (124 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
[2025-05-30 16:16:05] [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, 1 unsolved
Problem AtomicPropp18 is UNSAT
After SMT solving in domain Real declared 22/205 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/9 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/104 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 30 stabilizing places and 30 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(G((p0||X((F(p1) U X((!p1&&X(p2)))))))))'
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 96 transition count 93
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 96 transition count 93
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 96 transition count 92
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 19 place count 94 transition count 90
Iterating global reduction 1 with 2 rules applied. Total rules applied 21 place count 94 transition count 90
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 93 transition count 89
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 93 transition count 89
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 92 transition count 88
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 92 transition count 88
Applied a total of 25 rules in 20 ms. Remains 92 /104 variables (removed 12) and now considering 88/101 (removed 13) transitions.
// Phase 1: matrix 88 rows 92 cols
[2025-05-30 16:16:05] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:16:05] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-05-30 16:16:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:16:06] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
Running 87 sub problems to find dead transitions.
[2025-05-30 16:16:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 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 16:16:06] [INFO ] Deduced a trap composed of 17 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:06] [INFO ] Deduced a trap composed of 13 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 16:16:06] [INFO ] Deduced a trap composed of 24 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:06] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:06] [INFO ] Deduced a trap composed of 25 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 16:16:07] [INFO ] Deduced a trap composed of 25 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:07] [INFO ] Deduced a trap composed of 28 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 16:16:07] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 5 (OVERLAPS) 88/180 variables, 92/110 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 16:16:07] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/180 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/180 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 8 (OVERLAPS) 0/180 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 87 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 111 constraints, problems are : Problem set: 0 solved, 87 unsolved in 3421 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 87/87 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 87 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 9/19 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 16:16:09] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 1/20 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 16:16:10] [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 16:16:10] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 7 (OVERLAPS) 88/180 variables, 92/114 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/180 variables, 87/201 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 16:16:10] [INFO ] Deduced a trap composed of 22 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 16:16:10] [INFO ] Deduced a trap composed of 30 places in 57 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 2/203 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 16:16:11] [INFO ] Deduced a trap composed of 28 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:11] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/180 variables, 2/205 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 16:16:12] [INFO ] Deduced a trap along path composed of 8 places in 42 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:12] [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 16:16:13] [INFO ] Deduced a trap along path composed of 10 places in 36 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/180 variables, 3/208 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 0/208 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 16:16:17] [INFO ] Deduced a trap along path composed of 9 places in 28 ms of which 0 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/180 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/180 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 87 unsolved
At refinement iteration 15 (OVERLAPS) 0/180 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 87 unsolved
No progress, stopping.
After SMT solving in domain Int declared 180/180 variables, and 209 constraints, problems are : Problem set: 0 solved, 87 unsolved in 14890 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 87/87 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 18332ms problems are : Problem set: 0 solved, 87 unsolved
Search for dead transitions found 0 dead transitions in 18332ms
Starting structural reductions in LTL mode, iteration 1 : 92/104 places, 88/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18535 ms. Remains : 92/104 places, 88/101 transitions.
Stuttering acceptance computed with spot in 407 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (NOT p2) p1), (OR (NOT p2) p1), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-00
Stuttering criterion allowed to conclude after 65 steps with 0 reset in 2 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-00 finished in 19019 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((F(p1)||G(!p0))))) U X((p2||G(p0)))))'
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 96 transition count 93
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 96 transition count 93
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 94 transition count 91
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 94 transition count 91
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 93 transition count 90
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 93 transition count 90
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 92 transition count 89
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 92 transition count 89
Applied a total of 24 rules in 12 ms. Remains 92 /104 variables (removed 12) and now considering 89/101 (removed 12) transitions.
// Phase 1: matrix 89 rows 92 cols
[2025-05-30 16:16:24] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:16:24] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-05-30 16:16:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:16:24] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2025-05-30 16:16:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:25] [INFO ] Deduced a trap composed of 18 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 16:16:25] [INFO ] Deduced a trap composed of 13 places in 62 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:25] [INFO ] Deduced a trap composed of 23 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:25] [INFO ] Deduced a trap composed of 16 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 16:16:25] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:25] [INFO ] Deduced a trap composed of 25 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:26] [INFO ] Deduced a trap composed of 17 places in 73 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:26] [INFO ] Deduced a trap composed of 29 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 16:16:26] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (OVERLAPS) 89/181 variables, 92/111 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:27] [INFO ] Deduced a trap composed of 25 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 16:16:27] [INFO ] Deduced a trap composed of 26 places in 31 ms of which 4 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/181 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 0 solved, 88 unsolved in 4388 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:29] [INFO ] Deduced a trap composed of 25 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 16:16:29] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:29] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:30] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:30] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (OVERLAPS) 89/181 variables, 92/118 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/181 variables, 88/206 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:30] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:30] [INFO ] Deduced a trap composed of 22 places in 64 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:31] [INFO ] Deduced a trap along path composed of 5 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 16:16:31] [INFO ] Deduced a trap along path composed of 9 places in 34 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:31] [INFO ] Deduced a trap along path composed of 9 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 16:16:32] [INFO ] Deduced a trap along path composed of 10 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/181 variables, 4/212 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:33] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/181 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/181 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 13 (OVERLAPS) 0/181 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 213 constraints, problems are : Problem set: 0 solved, 88 unsolved in 9387 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 13812ms problems are : Problem set: 0 solved, 88 unsolved
Search for dead transitions found 0 dead transitions in 13813ms
Starting structural reductions in LTL mode, iteration 1 : 92/104 places, 89/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13965 ms. Remains : 92/104 places, 89/101 transitions.
Stuttering acceptance computed with spot in 268 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-01
Product exploration explored 100000 steps with 33324 reset in 200 ms.
Product exploration explored 100000 steps with 33443 reset in 112 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X p1), (X (NOT (AND p0 (NOT p2)))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 131 ms. Reduced automaton from 8 states, 19 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 276 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
RANDOM walk for 40000 steps (605 resets) in 209 ms. (190 steps per ms) remains 2/9 properties
BEST_FIRST walk for 10755 steps (28 resets) in 16 ms. (632 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X p1), (X (NOT (AND p0 (NOT p2)))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : [(F p0), (F (NOT (OR p0 p2 p1))), (F (NOT p1)), (F (NOT (OR (NOT p0) p2 p1))), (F p2), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) p2)))]
Knowledge based reduction with 17 factoid took 406 ms. Reduced automaton from 8 states, 17 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 345 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 259 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
[2025-05-30 16:16:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 16:16:41] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-05-30 16:16:41] [INFO ] [Real]Absence check using 9 positive and 1 generalized place invariants in 22 ms returned sat
[2025-05-30 16:16:41] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2025-05-30 16:16:41] [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 16:16:41] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-05-30 16:16:41] [INFO ] [Nat]Absence check using 9 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 16:16:41] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2025-05-30 16:16:41] [INFO ] Computed and/alt/rep : 88/128/88 causal constraints (skipped 0 transitions) in 5 ms.
[2025-05-30 16:16:41] [INFO ] Added : 84 causal constraints over 17 iterations in 231 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 89/89 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 89/89 (removed 0) transitions.
[2025-05-30 16:16:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:16:41] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-05-30 16:16:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:16:41] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2025-05-30 16:16:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:42] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:43] [INFO ] Deduced a trap composed of 13 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:43] [INFO ] Deduced a trap composed of 23 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:43] [INFO ] Deduced a trap composed of 16 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 16:16:43] [INFO ] Deduced a trap composed of 26 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:43] [INFO ] Deduced a trap composed of 25 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 16:16:43] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:43] [INFO ] Deduced a trap composed of 29 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:43] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (OVERLAPS) 89/181 variables, 92/111 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:45] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:45] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/181 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 0 solved, 88 unsolved in 4841 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/92 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:47] [INFO ] Deduced a trap composed of 25 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 16:16:47] [INFO ] Deduced a trap composed of 28 places in 32 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:47] [INFO ] Deduced a trap composed of 15 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 16:16:47] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:47] [INFO ] Deduced a trap composed of 26 places in 44 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (OVERLAPS) 89/181 variables, 92/118 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/181 variables, 88/206 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:48] [INFO ] Deduced a trap composed of 27 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 16:16:48] [INFO ] Deduced a trap composed of 22 places in 71 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:49] [INFO ] Deduced a trap along path composed of 5 places in 50 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:49] [INFO ] Deduced a trap along path composed of 9 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:49] [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 16:16:49] [INFO ] Deduced a trap along path composed of 10 places in 26 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/181 variables, 4/212 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:50] [INFO ] Deduced a trap along path composed of 9 places in 33 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/181 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/181 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 13 (OVERLAPS) 0/181 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 213 constraints, problems are : Problem set: 0 solved, 88 unsolved in 9302 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 14165ms problems are : Problem set: 0 solved, 88 unsolved
Search for dead transitions found 0 dead transitions in 14166ms
Finished structural reductions in LTL mode , in 1 iterations and 14405 ms. Remains : 92/92 places, 89/89 transitions.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (NOT (AND p0 (NOT p2)))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 118 ms. Reduced automaton from 8 states, 17 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 265 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
RANDOM walk for 36254 steps (542 resets) in 145 ms. (248 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT p0)), (X (NOT (AND p0 (NOT p2)))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p2)))))]
False Knowledge obtained : [(F p0), (F (NOT (OR p0 p2 p1))), (F (NOT p1)), (F (NOT (OR (NOT p0) p2 p1))), (F p2), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) p2)))]
Knowledge based reduction with 12 factoid took 497 ms. Reduced automaton from 8 states, 17 edges and 3 AP (stutter sensitive) to 8 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 249 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 268 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
[2025-05-30 16:16:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 16:16:57] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-05-30 16:16:57] [INFO ] [Real]Absence check using 9 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 16:16:57] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-05-30 16:16:57] [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 16:16:57] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-05-30 16:16:57] [INFO ] [Nat]Absence check using 9 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-30 16:16:57] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-05-30 16:16:57] [INFO ] Computed and/alt/rep : 88/128/88 causal constraints (skipped 0 transitions) in 4 ms.
[2025-05-30 16:16:57] [INFO ] Added : 84 causal constraints over 17 iterations in 138 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 270 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 25031 reset in 67 ms.
Product exploration explored 100000 steps with 25005 reset in 112 ms.
Applying partial POR strategy [false, true, false, false, true, true, false, true]
Stuttering acceptance computed with spot in 276 ms :[(AND (NOT p0) (NOT p2)), false, (AND (NOT p0) (NOT p2)), false, (AND p0 (NOT p1)), false, false, (AND p0 (NOT p1))]
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 92/92 places, 89/89 transitions.
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 92 transition count 89
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 2 rules applied. Total rules applied 27 place count 92 transition count 88
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 27 place count 92 transition count 88
Deduced a syphon composed of 40 places in 0 ms
Iterating global reduction 2 with 14 rules applied. Total rules applied 41 place count 92 transition count 88
Discarding 20 places :
Symmetric choice reduction at 2 with 20 rule applications. Total rules 61 place count 72 transition count 68
Deduced a syphon composed of 20 places in 0 ms
Iterating global reduction 2 with 20 rules applied. Total rules applied 81 place count 72 transition count 68
Performed 20 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 40 places in 0 ms
Iterating global reduction 2 with 20 rules applied. Total rules applied 101 place count 72 transition count 66
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 113 place count 60 transition count 54
Deduced a syphon composed of 28 places in 0 ms
Iterating global reduction 2 with 12 rules applied. Total rules applied 125 place count 60 transition count 54
Deduced a syphon composed of 28 places in 0 ms
Applied a total of 125 rules in 28 ms. Remains 60 /92 variables (removed 32) and now considering 54/89 (removed 35) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 16:16:58] [INFO ] Redundant transitions in 1 ms returned []
Running 53 sub problems to find dead transitions.
// Phase 1: matrix 54 rows 60 cols
[2025-05-30 16:16:58] [INFO ] Computed 10 invariants in 1 ms
[2025-05-30 16:16:58] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 1/60 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:59] [INFO ] Deduced a trap composed of 2 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:59] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:59] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:59] [INFO ] Deduced a trap composed of 7 places in 21 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 16:16:59] [INFO ] Deduced a trap composed of 2 places in 31 ms of which 2 ms to minimize.
Problem TDEAD4 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:59] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 3 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:16:59] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 3 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 16:16:59] [INFO ] Deduced a trap composed of 7 places in 25 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 16:16:59] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 3 ms to minimize.
Problem TDEAD12 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 9/19 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/19 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 6 (OVERLAPS) 54/114 variables, 60/79 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 9/88 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/114 variables, 0/88 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 9 (OVERLAPS) 0/114 variables, 0/88 constraints. Problems are: Problem set: 28 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 114/114 variables, and 88 constraints, problems are : Problem set: 28 solved, 25 unsolved in 1286 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 60/60 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 28 solved, 25 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 25/56 variables, 8/8 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 9/17 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/17 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 4 (OVERLAPS) 4/60 variables, 2/19 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/19 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 6 (OVERLAPS) 54/114 variables, 60/79 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 9/88 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/114 variables, 25/113 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/114 variables, 0/113 constraints. Problems are: Problem set: 28 solved, 25 unsolved
At refinement iteration 10 (OVERLAPS) 0/114 variables, 0/113 constraints. Problems are: Problem set: 28 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Int declared 114/114 variables, and 113 constraints, problems are : Problem set: 28 solved, 25 unsolved in 793 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 60/60 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 25/53 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2107ms problems are : Problem set: 28 solved, 25 unsolved
Search for dead transitions found 28 dead transitions in 2107ms
Found 28 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 28 transitions
Dead transitions reduction (with SMT) removed 28 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 60/92 places, 26/89 transitions.
Graph (complete) has 77 edges and 60 vertex of which 32 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.0 ms
Discarding 28 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 32 /60 variables (removed 28) and now considering 26/26 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 32/92 places, 26/89 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2173 ms. Remains : 32/92 places, 26/89 transitions.
Built C files in :
/tmp/ltsmin4931601695642848741
[2025-05-30 16:17:01] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4931601695642848741
Running compilation step : cd /tmp/ltsmin4931601695642848741;'/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 266 ms.
Running link step : cd /tmp/ltsmin4931601695642848741;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin4931601695642848741;'/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/stateBased17299827916042078016.hoa' '--buchi-type=spotba'
LTSmin run took 221 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property AutoFlight-PT-01b-LTLFireability-01 finished in 36784 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)&&(G(p0)||(X(p1)&&(p2 U (p3||G(p2)))))))'
Support contains 5 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 97 transition count 94
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 97 transition count 94
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 97 transition count 93
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 17 place count 95 transition count 91
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 95 transition count 91
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 94 transition count 90
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 94 transition count 90
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 93 transition count 89
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 93 transition count 89
Applied a total of 23 rules in 8 ms. Remains 93 /104 variables (removed 11) and now considering 89/101 (removed 12) transitions.
// Phase 1: matrix 89 rows 93 cols
[2025-05-30 16:17:01] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:02] [INFO ] Implicit Places using invariants in 462 ms returned []
[2025-05-30 16:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:02] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 544 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2025-05-30 16:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:02] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:02] [INFO ] Deduced a trap composed of 23 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:02] [INFO ] Deduced a trap composed of 16 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 16:17:02] [INFO ] Deduced a trap composed of 26 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:03] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:03] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (OVERLAPS) 89/182 variables, 93/109 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (OVERLAPS) 0/182 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 109 constraints, problems are : Problem set: 0 solved, 88 unsolved in 2835 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:05] [INFO ] Deduced a trap composed of 15 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 16:17:05] [INFO ] Deduced a trap composed of 24 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 16:17:05] [INFO ] Deduced a trap composed of 28 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 16:17:05] [INFO ] Deduced a trap composed of 27 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 16:17:05] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:05] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:06] [INFO ] Deduced a trap composed of 27 places in 72 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (OVERLAPS) 89/182 variables, 93/116 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 88/204 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:06] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:07] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 2/206 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:07] [INFO ] Deduced a trap composed of 23 places in 47 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:08] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:08] [INFO ] Deduced a trap along path composed of 10 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:09] [INFO ] Deduced a trap along path composed of 4 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 16:17:09] [INFO ] Deduced a trap along path composed of 9 places in 24 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/182 variables, 3/211 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:14] [INFO ] Deduced a trap along path composed of 9 places in 23 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/182 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 17 (OVERLAPS) 0/182 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 212 constraints, problems are : Problem set: 0 solved, 88 unsolved in 15388 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 18253ms problems are : Problem set: 0 solved, 88 unsolved
Search for dead transitions found 0 dead transitions in 18254ms
Starting structural reductions in LTL mode, iteration 1 : 93/104 places, 89/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18806 ms. Remains : 93/104 places, 89/101 transitions.
Stuttering acceptance computed with spot in 253 ms :[(NOT p0), true, (NOT p0), (NOT p0), (NOT p1), (AND (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p3) (NOT p2))]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 92 ms.
Product exploration explored 100000 steps with 50000 reset in 101 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND p0 p3 p2 p1), (X p2), (X p3), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p3) p2))), (X p0), (X (NOT (AND (NOT p0) (NOT p3) p2))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND (NOT p0) (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p3) (NOT p2)))), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p3) p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p3) (NOT p2)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 22 factoid took 18 ms. Reduced automaton from 8 states, 20 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutoFlight-PT-01b-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-01b-LTLFireability-03 finished in 19291 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)&&X(G(p1))))))'
Support contains 2 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 95 transition count 92
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 95 transition count 92
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 95 transition count 91
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 93 transition count 89
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 93 transition count 89
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 92 transition count 88
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 92 transition count 88
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 91 transition count 87
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 91 transition count 87
Applied a total of 27 rules in 3 ms. Remains 91 /104 variables (removed 13) and now considering 87/101 (removed 14) transitions.
// Phase 1: matrix 87 rows 91 cols
[2025-05-30 16:17:20] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:20] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-05-30 16:17:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:21] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
Running 86 sub problems to find dead transitions.
[2025-05-30 16:17:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:21] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:21] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:21] [INFO ] Deduced a trap composed of 23 places in 32 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:21] [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 16:17:21] [INFO ] Deduced a trap composed of 25 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 16:17:21] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:21] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:22] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (OVERLAPS) 87/178 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:23] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:23] [INFO ] Deduced a trap composed of 26 places in 68 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/178 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 10 (OVERLAPS) 0/178 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 111 constraints, problems are : Problem set: 0 solved, 86 unsolved in 3957 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:25] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:25] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:25] [INFO ] Deduced a trap composed of 27 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:25] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (OVERLAPS) 87/178 variables, 91/115 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 86/201 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:26] [INFO ] Deduced a trap composed of 22 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 16:17:26] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 2/203 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:27] [INFO ] Deduced a trap along path composed of 8 places in 42 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:27] [INFO ] Deduced a trap along path composed of 4 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:27] [INFO ] Deduced a trap along path composed of 10 places in 24 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 3/206 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:28] [INFO ] Deduced a trap along path composed of 9 places in 20 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:29] [INFO ] Deduced a trap along path composed of 9 places in 21 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/178 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/178 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 14 (OVERLAPS) 0/178 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 178/178 variables, and 208 constraints, problems are : Problem set: 0 solved, 86 unsolved in 10076 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 14048ms problems are : Problem set: 0 solved, 86 unsolved
Search for dead transitions found 0 dead transitions in 14056ms
Starting structural reductions in LTL mode, iteration 1 : 91/104 places, 87/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14260 ms. Remains : 91/104 places, 87/101 transitions.
Stuttering acceptance computed with spot in 181 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-05
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-05 finished in 14455 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((p1&&X(F(p2))))))'
Support contains 4 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 95 transition count 92
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 95 transition count 92
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 95 transition count 91
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 93 transition count 89
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 93 transition count 89
Applied a total of 23 rules in 2 ms. Remains 93 /104 variables (removed 11) and now considering 89/101 (removed 12) transitions.
// Phase 1: matrix 89 rows 93 cols
[2025-05-30 16:17:35] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:35] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-05-30 16:17:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:35] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2025-05-30 16:17:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:35] [INFO ] Deduced a trap composed of 17 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 16:17:36] [INFO ] Deduced a trap composed of 13 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:36] [INFO ] Deduced a trap composed of 23 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 16:17:36] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:36] [INFO ] Deduced a trap composed of 25 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:36] [INFO ] Deduced a trap composed of 25 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:36] [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 16:17:36] [INFO ] Deduced a trap composed of 28 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 16:17:36] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 5 (OVERLAPS) 89/182 variables, 93/112 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:37] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/182 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 8 (OVERLAPS) 0/182 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 113 constraints, problems are : Problem set: 0 solved, 88 unsolved in 3204 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:38] [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 16:17:39] [INFO ] Deduced a trap composed of 15 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 16:17:39] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:39] [INFO ] Deduced a trap composed of 27 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:39] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:39] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:40] [INFO ] Deduced a trap composed of 28 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 16:17:40] [INFO ] Deduced a trap composed of 27 places in 36 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/93 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:40] [INFO ] Deduced a trap composed of 22 places in 27 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 11 (OVERLAPS) 89/182 variables, 93/122 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 88/210 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:41] [INFO ] Deduced a trap composed of 27 places in 31 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/182 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:41] [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 16:17:41] [INFO ] Deduced a trap along path composed of 10 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 16:17:42] [INFO ] Deduced a trap along path composed of 4 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:42] [INFO ] Deduced a trap along path composed of 9 places in 20 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 4/215 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 88 unsolved
At refinement iteration 16 (OVERLAPS) 0/182 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 88 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 215 constraints, problems are : Problem set: 0 solved, 88 unsolved in 7989 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 11231ms problems are : Problem set: 0 solved, 88 unsolved
Search for dead transitions found 0 dead transitions in 11231ms
Starting structural reductions in LTL mode, iteration 1 : 93/104 places, 89/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11357 ms. Remains : 93/104 places, 89/101 transitions.
Stuttering acceptance computed with spot in 198 ms :[(NOT p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p2) (NOT p0)), true, (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-06 finished in 11573 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (p1&&X((p0&&(F(p1) U p2)))&&F(p3)))))'
Support contains 5 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 97 transition count 94
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 97 transition count 94
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 97 transition count 93
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 96 transition count 92
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 96 transition count 92
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 95 transition count 91
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 95 transition count 91
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 94 transition count 90
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 94 transition count 90
Applied a total of 21 rules in 3 ms. Remains 94 /104 variables (removed 10) and now considering 90/101 (removed 11) transitions.
// Phase 1: matrix 90 rows 94 cols
[2025-05-30 16:17:46] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:46] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 16:17:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:17:47] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Running 89 sub problems to find dead transitions.
[2025-05-30 16:17:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 1/10 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 16:17:47] [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 16:17:47] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:47] [INFO ] Deduced a trap composed of 23 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:47] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:48] [INFO ] Deduced a trap composed of 25 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:48] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:48] [INFO ] Deduced a trap composed of 21 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 16:17:48] [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 16:17:48] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:48] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:48] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:48] [INFO ] Deduced a trap composed of 15 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 16:17:48] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 13/23 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 16:17:48] [INFO ] Deduced a trap composed of 27 places in 65 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/24 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 16:17:49] [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 16:17:49] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 7 (OVERLAPS) 90/184 variables, 94/120 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 16:17:49] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:49] [INFO ] Deduced a trap composed of 27 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:50] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/184 variables, 3/123 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/184 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 10 (OVERLAPS) 0/184 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Real declared 184/184 variables, and 123 constraints, problems are : Problem set: 0 solved, 89 unsolved in 4577 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 89 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (OVERLAPS) 1/94 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 19/29 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 5 (OVERLAPS) 90/184 variables, 94/123 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 89/212 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 16:17:52] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 1/213 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 16:17:53] [INFO ] Deduced a trap along path composed of 4 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 16:17:53] [INFO ] Deduced a trap along path composed of 9 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:17:53] [INFO ] Deduced a trap along path composed of 4 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 16:17:53] [INFO ] Deduced a trap along path composed of 9 places in 22 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/184 variables, 4/217 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 16:17:55] [INFO ] Deduced a trap along path composed of 10 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/184 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/184 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 11 (OVERLAPS) 0/184 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Int declared 184/184 variables, and 218 constraints, problems are : Problem set: 0 solved, 89 unsolved in 10542 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 15126ms problems are : Problem set: 0 solved, 89 unsolved
Search for dead transitions found 0 dead transitions in 15126ms
Starting structural reductions in LTL mode, iteration 1 : 94/104 places, 90/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15240 ms. Remains : 94/104 places, 90/101 transitions.
Stuttering acceptance computed with spot in 319 ms :[(OR (NOT p0) (NOT p1) (NOT p2) (NOT p3)), (OR (NOT p1) (NOT p0) (NOT p3) (NOT p2)), true, (OR (NOT p0) (NOT p2)), (NOT p3), (OR (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-08 finished in 15579 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 1 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 0 with 33 rules applied. Total rules applied 33 place count 103 transition count 67
Reduce places removed 33 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 39 rules applied. Total rules applied 72 place count 70 transition count 61
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 74 place count 68 transition count 61
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 17 Pre rules applied. Total rules applied 74 place count 68 transition count 44
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 108 place count 51 transition count 44
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 114 place count 45 transition count 38
Iterating global reduction 3 with 6 rules applied. Total rules applied 120 place count 45 transition count 38
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 120 place count 45 transition count 35
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 126 place count 42 transition count 35
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 150 place count 30 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 151 place count 29 transition count 22
Reduce places removed 2 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 3 with 3 rules applied. Total rules applied 154 place count 27 transition count 21
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 155 place count 26 transition count 21
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 155 place count 26 transition count 20
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 157 place count 25 transition count 20
Applied a total of 157 rules in 10 ms. Remains 25 /104 variables (removed 79) and now considering 20/101 (removed 81) transitions.
// Phase 1: matrix 20 rows 25 cols
[2025-05-30 16:18:02] [INFO ] Computed 8 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants in 56 ms returned [9, 14, 19, 24]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 57 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/104 places, 20/101 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 19 transition count 18
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 19 transition count 18
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 6 place count 18 transition count 17
Applied a total of 6 rules in 1 ms. Remains 18 /21 variables (removed 3) and now considering 17/20 (removed 3) transitions.
// Phase 1: matrix 17 rows 18 cols
[2025-05-30 16:18:02] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-05-30 16:18:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/104 places, 17/101 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 123 ms. Remains : 18/104 places, 17/101 transitions.
Stuttering acceptance computed with spot in 41 ms :[true, (NOT p0)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-09
Entered a terminal (fully accepting) state of product in 553 steps with 75 reset in 2 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-09 finished in 177 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 1 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 0 with 33 rules applied. Total rules applied 33 place count 103 transition count 67
Reduce places removed 33 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 39 rules applied. Total rules applied 72 place count 70 transition count 61
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 74 place count 68 transition count 61
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 17 Pre rules applied. Total rules applied 74 place count 68 transition count 44
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 108 place count 51 transition count 44
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 114 place count 45 transition count 38
Iterating global reduction 3 with 6 rules applied. Total rules applied 120 place count 45 transition count 38
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 120 place count 45 transition count 35
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 126 place count 42 transition count 35
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 150 place count 30 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 151 place count 29 transition count 22
Reduce places removed 2 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 3 with 3 rules applied. Total rules applied 154 place count 27 transition count 21
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 155 place count 26 transition count 21
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 155 place count 26 transition count 20
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 157 place count 25 transition count 20
Applied a total of 157 rules in 7 ms. Remains 25 /104 variables (removed 79) and now considering 20/101 (removed 81) transitions.
// Phase 1: matrix 20 rows 25 cols
[2025-05-30 16:18:02] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants in 23 ms returned [9, 14, 19, 24]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 24 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/104 places, 20/101 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 19 transition count 18
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 19 transition count 18
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 6 place count 18 transition count 17
Applied a total of 6 rules in 1 ms. Remains 18 /21 variables (removed 3) and now considering 17/20 (removed 3) transitions.
// Phase 1: matrix 17 rows 18 cols
[2025-05-30 16:18:02] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 16:18:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/104 places, 17/101 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 88 ms. Remains : 18/104 places, 17/101 transitions.
Stuttering acceptance computed with spot in 32 ms :[p0]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-10
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-10 finished in 130 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 G((F(p1) U X(p2)))))))'
Support contains 5 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 95 transition count 92
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 95 transition count 92
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 95 transition count 91
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 93 transition count 89
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 93 transition count 89
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 92 transition count 88
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 92 transition count 88
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 91 transition count 87
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 91 transition count 87
Applied a total of 27 rules in 3 ms. Remains 91 /104 variables (removed 13) and now considering 87/101 (removed 14) transitions.
// Phase 1: matrix 87 rows 91 cols
[2025-05-30 16:18:02] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-30 16:18:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:02] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
Running 86 sub problems to find dead transitions.
[2025-05-30 16:18:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:03] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:03] [INFO ] Deduced a trap composed of 13 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:03] [INFO ] Deduced a trap composed of 23 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 16:18:03] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:03] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:03] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:04] [INFO ] Deduced a trap composed of 25 places in 65 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:04] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (OVERLAPS) 87/178 variables, 91/109 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:05] [INFO ] Deduced a trap composed of 25 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 16:18:05] [INFO ] Deduced a trap composed of 26 places in 41 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/178 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 10 (OVERLAPS) 0/178 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 111 constraints, problems are : Problem set: 0 solved, 86 unsolved in 4246 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/91 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:07] [INFO ] Deduced a trap composed of 15 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 16:18:07] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:07] [INFO ] Deduced a trap composed of 27 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:07] [INFO ] Deduced a trap composed of 28 places in 35 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (OVERLAPS) 87/178 variables, 91/115 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 86/201 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:08] [INFO ] Deduced a trap composed of 22 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 16:18:08] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 2/203 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:09] [INFO ] Deduced a trap along path composed of 8 places in 281 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:09] [INFO ] Deduced a trap along path composed of 4 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 16:18:09] [INFO ] Deduced a trap along path composed of 10 places in 17 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 3/206 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:10] [INFO ] Deduced a trap along path composed of 9 places in 21 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:12] [INFO ] Deduced a trap along path composed of 9 places in 24 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/178 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/178 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 14 (OVERLAPS) 0/178 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 178/178 variables, and 208 constraints, problems are : Problem set: 0 solved, 86 unsolved in 10175 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 14442ms problems are : Problem set: 0 solved, 86 unsolved
Search for dead transitions found 0 dead transitions in 14442ms
Starting structural reductions in LTL mode, iteration 1 : 91/104 places, 87/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14559 ms. Remains : 91/104 places, 87/101 transitions.
Stuttering acceptance computed with spot in 336 ms :[(NOT p2), (NOT p2), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1), (AND (NOT p0) (NOT p1) p2)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-11
Stuttering criterion allowed to conclude after 28163 steps with 6256 reset in 28 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-11 finished in 14946 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(p1))))'
Support contains 3 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 97 transition count 94
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 97 transition count 94
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 16 place count 95 transition count 92
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 95 transition count 92
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 94 transition count 91
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 94 transition count 91
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 93 transition count 90
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 93 transition count 90
Applied a total of 22 rules in 3 ms. Remains 93 /104 variables (removed 11) and now considering 90/101 (removed 11) transitions.
// Phase 1: matrix 90 rows 93 cols
[2025-05-30 16:18:17] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:17] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-30 16:18:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:17] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
Running 89 sub problems to find dead transitions.
[2025-05-30 16:18:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 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 16:18:18] [INFO ] Deduced a trap composed of 19 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 16:18:18] [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 16:18:18] [INFO ] Deduced a trap composed of 13 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:18] [INFO ] Deduced a trap composed of 24 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 16:18:18] [INFO ] Deduced a trap composed of 16 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 16:18:18] [INFO ] Deduced a trap composed of 26 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 16:18:18] [INFO ] Deduced a trap composed of 25 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:18] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 8/18 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 16:18:19] [INFO ] Deduced a trap composed of 31 places in 38 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (OVERLAPS) 90/183 variables, 93/112 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 8 (OVERLAPS) 0/183 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Real declared 183/183 variables, and 112 constraints, problems are : Problem set: 0 solved, 89 unsolved in 3166 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 89 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 9/19 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 16:18:21] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/20 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 16:18:21] [INFO ] Deduced a trap composed of 28 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 16:18:21] [INFO ] Deduced a trap composed of 29 places in 41 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 7 (OVERLAPS) 90/183 variables, 93/115 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 89/204 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 16:18:22] [INFO ] Deduced a trap composed of 31 places in 43 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/183 variables, 1/205 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 16:18:22] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:22] [INFO ] Deduced a trap composed of 23 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 16:18:22] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/183 variables, 3/208 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 16:18:23] [INFO ] Deduced a trap along path composed of 10 places in 44 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:23] [INFO ] Deduced a trap along path composed of 4 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:24] [INFO ] Deduced a trap along path composed of 4 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 16:18:24] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/183 variables, 4/212 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 16:18:25] [INFO ] Deduced a trap along path composed of 9 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 16:18:26] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/183 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/183 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 14 (OVERLAPS) 0/183 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Int declared 183/183 variables, and 214 constraints, problems are : Problem set: 0 solved, 89 unsolved in 10797 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 93/93 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 14003ms problems are : Problem set: 0 solved, 89 unsolved
Search for dead transitions found 0 dead transitions in 14005ms
Starting structural reductions in LTL mode, iteration 1 : 93/104 places, 90/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14128 ms. Remains : 93/104 places, 90/101 transitions.
Stuttering acceptance computed with spot in 108 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-12 finished in 14261 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(((G(p0)||(p1&&F(p0))) U p2))))'
Support contains 3 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 31 transitions
Trivial Post-agglo rules discarded 31 transitions
Performed 31 trivial Post agglomeration. Transition count delta: 31
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 103 transition count 69
Reduce places removed 31 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 37 rules applied. Total rules applied 68 place count 72 transition count 63
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 71 place count 70 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 72 place count 69 transition count 62
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 17 Pre rules applied. Total rules applied 72 place count 69 transition count 45
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 4 with 34 rules applied. Total rules applied 106 place count 52 transition count 45
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 111 place count 47 transition count 40
Iterating global reduction 4 with 5 rules applied. Total rules applied 116 place count 47 transition count 40
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 116 place count 47 transition count 38
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 120 place count 45 transition count 38
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 4 with 24 rules applied. Total rules applied 144 place count 33 transition count 26
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 145 place count 32 transition count 25
Reduce places removed 2 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 3 rules applied. Total rules applied 148 place count 30 transition count 24
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 149 place count 29 transition count 24
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 149 place count 29 transition count 23
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 151 place count 28 transition count 23
Applied a total of 151 rules in 17 ms. Remains 28 /104 variables (removed 76) and now considering 23/101 (removed 78) transitions.
// Phase 1: matrix 23 rows 28 cols
[2025-05-30 16:18:32] [INFO ] Computed 8 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:32] [INFO ] Implicit Places using invariants in 44 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 27/104 places, 23/101 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 24 transition count 20
Applied a total of 6 rules in 1 ms. Remains 24 /27 variables (removed 3) and now considering 20/23 (removed 3) transitions.
// Phase 1: matrix 20 rows 24 cols
[2025-05-30 16:18:32] [INFO ] Computed 7 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:32] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 16:18:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 16:18:32] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 24/104 places, 20/101 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 135 ms. Remains : 24/104 places, 20/101 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (AND (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-13
Stuttering criterion allowed to conclude after 21 steps with 2 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-13 finished in 340 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&&X(p1))||X(G(p1))))))'
Support contains 3 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 96 transition count 93
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 96 transition count 93
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 96 transition count 92
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 95 transition count 91
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 95 transition count 91
Applied a total of 19 rules in 2 ms. Remains 95 /104 variables (removed 9) and now considering 91/101 (removed 10) transitions.
// Phase 1: matrix 91 rows 95 cols
[2025-05-30 16:18:32] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:32] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-05-30 16:18:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:32] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Running 90 sub problems to find dead transitions.
[2025-05-30 16:18:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:33] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:33] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:33] [INFO ] Deduced a trap composed of 23 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 16:18:33] [INFO ] Deduced a trap composed of 16 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 16:18:33] [INFO ] Deduced a trap composed of 25 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:33] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:33] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (OVERLAPS) 91/186 variables, 95/112 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:34] [INFO ] Deduced a trap composed of 25 places in 60 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:35] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/186 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/186 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 10 (OVERLAPS) 0/186 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Real declared 186/186 variables, and 114 constraints, problems are : Problem set: 0 solved, 90 unsolved in 4159 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 1/95 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:36] [INFO ] Deduced a trap composed of 26 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 16:18:37] [INFO ] Deduced a trap composed of 24 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 16:18:37] [INFO ] Deduced a trap composed of 28 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 16:18:37] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:37] [INFO ] Deduced a trap composed of 34 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 7 (OVERLAPS) 91/186 variables, 95/119 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/186 variables, 90/209 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:38] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/186 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:38] [INFO ] Deduced a trap composed of 22 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 16:18:38] [INFO ] Deduced a trap composed of 22 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:38] [INFO ] Deduced a trap composed of 27 places in 61 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/186 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:39] [INFO ] Deduced a trap along path composed of 10 places in 43 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:39] [INFO ] Deduced a trap along path composed of 4 places in 15 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:39] [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 16:18:39] [INFO ] Deduced a trap along path composed of 10 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 16:18:39] [INFO ] Deduced a trap along path composed of 9 places in 27 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 5/218 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 16:18:42] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/186 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/186 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 14 (OVERLAPS) 0/186 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Int declared 186/186 variables, and 219 constraints, problems are : Problem set: 0 solved, 90 unsolved in 13034 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 17208ms problems are : Problem set: 0 solved, 90 unsolved
Search for dead transitions found 0 dead transitions in 17208ms
Starting structural reductions in LTL mode, iteration 1 : 95/104 places, 91/101 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17361 ms. Remains : 95/104 places, 91/101 transitions.
Stuttering acceptance computed with spot in 140 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), true]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-14
Product exploration explored 100000 steps with 12033 reset in 106 ms.
Product exploration explored 100000 steps with 12051 reset in 117 ms.
Computed a total of 27 stabilizing places and 27 stable transitions
Computed a total of 27 stabilizing places and 27 stable transitions
Detected a total of 27/95 stabilizing places and 27/91 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p2 p1), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT p0)), (X (NOT (AND (NOT p2) p1))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 14 factoid took 879 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 56 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 59 steps (0 resets) in 4 ms. (11 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) p2 p1), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT p0)), (X (NOT (AND (NOT p2) p1))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 14 factoid took 833 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 64 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 58 ms :[(NOT p0), (NOT p0)]
[2025-05-30 16:18:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 16:18:52] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-05-30 16:18:52] [INFO ] [Real]Absence check using 9 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 16:18:52] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-05-30 16:18:52] [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 16:18:52] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-05-30 16:18:52] [INFO ] [Nat]Absence check using 9 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 16:18:52] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-05-30 16:18:52] [INFO ] Computed and/alt/rep : 90/129/90 causal constraints (skipped 0 transitions) in 6 ms.
[2025-05-30 16:18:52] [INFO ] Added : 76 causal constraints over 16 iterations in 162 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 95 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 95/95 places, 91/91 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 94 transition count 66
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 27 rules applied. Total rules applied 51 place count 70 transition count 63
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 54 place count 68 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 55 place count 67 transition count 62
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 17 Pre rules applied. Total rules applied 55 place count 67 transition count 45
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 4 with 34 rules applied. Total rules applied 89 place count 50 transition count 45
Performed 16 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 4 with 32 rules applied. Total rules applied 121 place count 34 transition count 27
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 122 place count 33 transition count 26
Reduce places removed 2 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 3 rules applied. Total rules applied 125 place count 31 transition count 25
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 126 place count 30 transition count 25
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 126 place count 30 transition count 24
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 128 place count 29 transition count 24
Applied a total of 128 rules in 7 ms. Remains 29 /95 variables (removed 66) and now considering 24/91 (removed 67) transitions.
// Phase 1: matrix 24 rows 29 cols
[2025-05-30 16:18:52] [INFO ] Computed 8 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:52] [INFO ] Implicit Places using invariants in 37 ms returned [28]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 28/95 places, 24/91 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 21
Applied a total of 6 rules in 1 ms. Remains 25 /28 variables (removed 3) and now considering 21/24 (removed 3) transitions.
// Phase 1: matrix 21 rows 25 cols
[2025-05-30 16:18:52] [INFO ] Computed 7 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:52] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-05-30 16:18:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 16:18:52] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 25/95 places, 21/91 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 115 ms. Remains : 25/95 places, 21/91 transitions.
Computed a total of 6 stabilizing places and 6 stable transitions
Computed a total of 6 stabilizing places and 6 stable transitions
Detected a total of 6/25 stabilizing places and 6/21 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 146 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 62 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 14 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 181 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 58 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 52 ms :[(NOT p0), (NOT p0)]
[2025-05-30 16:18:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 16:18:52] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2025-05-30 16:18:53] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-05-30 16:18:53] [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 16:18:53] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-05-30 16:18:53] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-05-30 16:18:53] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 16:18:53] [INFO ] [Nat]Added 2 Read/Feed constraints in 0 ms returned sat
[2025-05-30 16:18:53] [INFO ] Computed and/alt/rep : 16/33/16 causal constraints (skipped 0 transitions) in 0 ms.
[2025-05-30 16:18:53] [INFO ] Added : 11 causal constraints over 3 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 51 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 20717 reset in 82 ms.
Stack based approach found an accepted trace after 5198 steps with 1070 reset with depth 5 and stack size 5 in 6 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-14 finished in 20907 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 104 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 104/104 places, 101/101 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 0 with 33 rules applied. Total rules applied 33 place count 103 transition count 67
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 69 place count 70 transition count 64
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 69 place count 70 transition count 46
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 105 place count 52 transition count 46
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 112 place count 45 transition count 39
Iterating global reduction 2 with 7 rules applied. Total rules applied 119 place count 45 transition count 39
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 119 place count 45 transition count 36
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 125 place count 42 transition count 36
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 149 place count 30 transition count 24
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 150 place count 29 transition count 23
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 151 place count 28 transition count 23
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 151 place count 28 transition count 22
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 153 place count 27 transition count 22
Applied a total of 153 rules in 10 ms. Remains 27 /104 variables (removed 77) and now considering 22/101 (removed 79) transitions.
// Phase 1: matrix 22 rows 27 cols
[2025-05-30 16:18:53] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:53] [INFO ] Implicit Places using invariants in 39 ms returned [10, 15, 20, 26]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 41 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/104 places, 22/101 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 21 transition count 20
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 21 transition count 20
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 20 transition count 19
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 20 transition count 19
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 8 place count 19 transition count 18
Applied a total of 8 rules in 1 ms. Remains 19 /23 variables (removed 4) and now considering 18/22 (removed 4) transitions.
// Phase 1: matrix 18 rows 19 cols
[2025-05-30 16:18:53] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:53] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-05-30 16:18:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 16:18:53] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 19/104 places, 18/101 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 122 ms. Remains : 19/104 places, 18/101 transitions.
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
Running random walk in product with property : AutoFlight-PT-01b-LTLFireability-15
Stuttering criterion allowed to conclude after 9 steps with 0 reset in 0 ms.
FORMULA AutoFlight-PT-01b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-01b-LTLFireability-15 finished in 169 ms.
All properties solved by simple procedures.
Total runtime 197783 ms.

BK_STOP 1748621933466

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-01b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is AutoFlight-PT-01b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-tall-174853729300452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-01b.tgz
mv AutoFlight-PT-01b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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