About the Execution of ITS-Tools for ShieldIIPt-PT-003B
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 452001.00 | 0.00 | 0.00 | FFFTFTFFFFFFTFFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r198-tall-174894532800468.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldIIPt-PT-003B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894532800468
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 50K 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 ShieldIIPt-PT-003B-LTLFireability-00
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-01
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-02
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-03
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-04
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-05
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-06
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-07
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-08
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-09
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-10
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-11
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-12
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-13
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-14
FORMULA_NAME ShieldIIPt-PT-003B-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749117346956
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-003B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-05 09:55:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-05 09:55:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 09:55:48] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2025-06-05 09:55:48] [INFO ] Transformed 213 places.
[2025-06-05 09:55:48] [INFO ] Transformed 198 transitions.
[2025-06-05 09:55:48] [INFO ] Found NUPN structural information;
[2025-06-05 09:55:48] [INFO ] Parsed PT model containing 213 places and 198 transitions and 492 arcs in 153 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ShieldIIPt-PT-003B-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-003B-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-003B-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 213 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 213/213 places, 198/198 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 189 transition count 174
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 189 transition count 174
Applied a total of 48 rules in 47 ms. Remains 189 /213 variables (removed 24) and now considering 174/198 (removed 24) transitions.
// Phase 1: matrix 174 rows 189 cols
[2025-06-05 09:55:48] [INFO ] Computed 28 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:55:48] [INFO ] Implicit Places using invariants in 208 ms returned []
[2025-06-05 09:55:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:55:48] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 406 ms to find 0 implicit places.
Running 173 sub problems to find dead transitions.
[2025-06-05 09:55:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 1/189 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:50] [INFO ] Deduced a trap composed of 18 places in 60 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:50] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:50] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:50] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:50] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:50] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:51] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:52] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/363 variables, 189/245 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:54] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:55] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/363 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:56] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:56] [INFO ] Deduced a trap composed of 25 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:56] [INFO ] Deduced a trap composed of 25 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:57] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:57] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 5/252 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:57] [INFO ] Deduced a trap composed of 21 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:57] [INFO ] Deduced a trap composed of 21 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:57] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:58] [INFO ] Deduced a trap composed of 22 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:55:59] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/363 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:00] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:01] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:01] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/363 variables, 3/260 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:02] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/363 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:04] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:04] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/363 variables, 2/263 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/363 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 14 (OVERLAPS) 0/363 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 363/363 variables, and 263 constraints, problems are : Problem set: 0 solved, 173 unsolved in 19173 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 189/189 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 1/189 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 42/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (OVERLAPS) 174/363 variables, 189/259 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/363 variables, 173/432 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:09] [INFO ] Deduced a trap composed of 18 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:09] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:09] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:09] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:10] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:10] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:10] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:10] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:10] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/363 variables, 9/441 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:11] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:11] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:11] [INFO ] Deduced a trap composed of 27 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:11] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:11] [INFO ] Deduced a trap composed of 8 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:12] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:12] [INFO ] Deduced a trap composed of 23 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:12] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/363 variables, 8/449 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:13] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:13] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:13] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:14] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/363 variables, 4/453 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:15] [INFO ] Deduced a trap composed of 17 places in 57 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/363 variables, 1/454 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:18] [INFO ] Deduced a trap composed of 22 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:18] [INFO ] Deduced a trap composed of 24 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:18] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:19] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:19] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/363 variables, 5/459 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/363 variables, 4/463 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:26] [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
[2025-06-05 09:56:28] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:28] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/363 variables, 3/466 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 363/363 variables, and 466 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 189/189 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 72/72 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 49233ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 49243ms
Starting structural reductions in LTL mode, iteration 1 : 189/213 places, 174/198 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 49713 ms. Remains : 189/213 places, 174/198 transitions.
Support contains 31 out of 189 places after structural reductions.
[2025-06-05 09:56:38] [INFO ] Flatten gal took : 29 ms
[2025-06-05 09:56:38] [INFO ] Flatten gal took : 22 ms
[2025-06-05 09:56:38] [INFO ] Input system was already deterministic with 174 transitions.
Reduction of identical properties reduced properties to check from 30 to 29
RANDOM walk for 3041 steps (0 resets) in 155 ms. (19 steps per ms) remains 0/29 properties
FORMULA ShieldIIPt-PT-003B-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 49 stabilizing places and 49 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 2 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 180 transition count 165
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 180 transition count 165
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 178 transition count 163
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 178 transition count 163
Applied a total of 22 rules in 18 ms. Remains 178 /189 variables (removed 11) and now considering 163/174 (removed 11) transitions.
// Phase 1: matrix 163 rows 178 cols
[2025-06-05 09:56:38] [INFO ] Computed 28 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:56:38] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-05 09:56:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:56:39] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
Running 162 sub problems to find dead transitions.
[2025-06-05 09:56:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:40] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 19/47 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:41] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (OVERLAPS) 163/341 variables, 178/226 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:44] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:44] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:44] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:44] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:46] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:47] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:48] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/341 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:50] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/341 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:51] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:51] [INFO ] Deduced a trap along path composed of 8 places in 25 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/341 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:55] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/341 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/341 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:58] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:56:58] [INFO ] Deduced a trap along path composed of 7 places in 31 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/341 variables, 2/239 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/341 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:02] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 1 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/341 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/341 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:06] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/341 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/341 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 341/341 variables, and 241 constraints, problems are : Problem set: 0 solved, 162 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 178/178 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 11/11 constraints]
Escalating to Integer solving :Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 24/52 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:09] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (OVERLAPS) 163/341 variables, 178/231 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 162/393 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:10] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:10] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:10] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:11] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:12] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 15/408 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:12] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:12] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:13] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:13] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 4/412 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:14] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:15] [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
[2025-06-05 09:57:15] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/341 variables, 3/415 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/341 variables, 11/426 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:21] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:21] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/341 variables, 2/428 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:25] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 1/429 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:32] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/341 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:35] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/341 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 341/341 variables, and 431 constraints, problems are : Problem set: 0 solved, 162 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 178/178 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 50/50 constraints, Known Traps Along Path: 13/13 constraints]
After SMT, in 60032ms problems are : Problem set: 0 solved, 162 unsolved
Search for dead transitions found 0 dead transitions in 60033ms
Starting structural reductions in LTL mode, iteration 1 : 178/189 places, 163/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60228 ms. Remains : 178/189 places, 163/174 transitions.
Stuttering acceptance computed with spot in 279 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 2 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-00 finished in 60570 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1)&&F(G(p2)))))'
Support contains 3 out of 189 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 37 place count 188 transition count 136
Reduce places removed 37 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 40 rules applied. Total rules applied 77 place count 151 transition count 133
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 79 place count 149 transition count 133
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 18 Pre rules applied. Total rules applied 79 place count 149 transition count 115
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 115 place count 131 transition count 115
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 120 place count 126 transition count 110
Iterating global reduction 3 with 5 rules applied. Total rules applied 125 place count 126 transition count 110
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 125 place count 126 transition count 105
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 135 place count 121 transition count 105
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 3 with 100 rules applied. Total rules applied 235 place count 71 transition count 55
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 251 place count 63 transition count 59
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 252 place count 63 transition count 59
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 254 place count 61 transition count 57
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 256 place count 59 transition count 57
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 256 place count 59 transition count 56
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 258 place count 58 transition count 56
Applied a total of 258 rules in 41 ms. Remains 58 /189 variables (removed 131) and now considering 56/174 (removed 118) transitions.
// Phase 1: matrix 56 rows 58 cols
[2025-06-05 09:57:39] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:39] [INFO ] Implicit Places using invariants in 44 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 46 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 57/189 places, 56/174 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 56 transition count 55
Applied a total of 2 rules in 4 ms. Remains 56 /57 variables (removed 1) and now considering 55/56 (removed 1) transitions.
// Phase 1: matrix 55 rows 56 cols
[2025-06-05 09:57:39] [INFO ] Computed 25 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:39] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-05 09:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:39] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 56/189 places, 55/174 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 183 ms. Remains : 56/189 places, 55/174 transitions.
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-01
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 1 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-01 finished in 354 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 189 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 38 transitions
Trivial Post-agglo rules discarded 38 transitions
Performed 38 trivial Post agglomeration. Transition count delta: 38
Iterating post reduction 0 with 38 rules applied. Total rules applied 38 place count 188 transition count 135
Reduce places removed 38 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 41 rules applied. Total rules applied 79 place count 150 transition count 132
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 81 place count 148 transition count 132
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 18 Pre rules applied. Total rules applied 81 place count 148 transition count 114
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 117 place count 130 transition count 114
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 122 place count 125 transition count 109
Iterating global reduction 3 with 5 rules applied. Total rules applied 127 place count 125 transition count 109
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 127 place count 125 transition count 104
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 137 place count 120 transition count 104
Performed 52 Post agglomeration using F-continuation condition.Transition count delta: 52
Deduced a syphon composed of 52 places in 0 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 3 with 104 rules applied. Total rules applied 241 place count 68 transition count 52
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 257 place count 60 transition count 57
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 259 place count 58 transition count 55
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 261 place count 56 transition count 55
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 261 place count 56 transition count 54
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 263 place count 55 transition count 54
Applied a total of 263 rules in 34 ms. Remains 55 /189 variables (removed 134) and now considering 54/174 (removed 120) transitions.
// Phase 1: matrix 54 rows 55 cols
[2025-06-05 09:57:39] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:39] [INFO ] Implicit Places using invariants in 38 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 54/189 places, 54/174 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 53 transition count 53
Applied a total of 2 rules in 3 ms. Remains 53 /54 variables (removed 1) and now considering 53/54 (removed 1) transitions.
// Phase 1: matrix 53 rows 53 cols
[2025-06-05 09:57:39] [INFO ] Computed 25 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:39] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-05 09:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:39] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 53/189 places, 53/174 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 158 ms. Remains : 53/189 places, 53/174 transitions.
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-02 finished in 232 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((X(X(p0))&&F(p1))) U (p0&&X((X(X(p0))&&F(p1)))))))'
Support contains 2 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 180 transition count 165
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 180 transition count 165
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 164
Applied a total of 20 rules in 16 ms. Remains 179 /189 variables (removed 10) and now considering 164/174 (removed 10) transitions.
// Phase 1: matrix 164 rows 179 cols
[2025-06-05 09:57:39] [INFO ] Computed 28 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:40] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-05 09:57:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:57:40] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Running 163 sub problems to find dead transitions.
[2025-06-05 09:57:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:41] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 14 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:42] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (OVERLAPS) 164/343 variables, 179/227 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:44] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:45] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:45] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 2/230 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:47] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:47] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:47] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 3/233 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:48] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:48] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:49] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:51] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:51] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:51] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 2/239 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:53] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/343 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/343 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:57:56] [INFO ] Deduced a trap along path composed of 9 places in 36 ms of which 0 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/343 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 16 (OVERLAPS) 0/343 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 163 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 241 constraints, problems are : Problem set: 0 solved, 163 unsolved in 21170 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 30/30 constraints, Known Traps Along Path: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 30/58 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (OVERLAPS) 164/343 variables, 179/237 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 163/400 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:02] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:02] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:02] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:02] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:02] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:03] [INFO ] Deduced a trap composed of 22 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:03] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:03] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 8/408 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:03] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:04] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:04] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:04] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:04] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:05] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:05] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 7/415 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:06] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:06] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:06] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 3/418 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:08] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:09] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 4/424 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:17] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:17] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:17] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:17] [INFO ] Deduced a trap along path composed of 7 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:17] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:18] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:18] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:19] [INFO ] Deduced a trap along path composed of 6 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:19] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:19] [INFO ] Deduced a trap along path composed of 4 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:19] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/343 variables, 11/435 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:26] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:27] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/343 variables, 2/437 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 437 constraints, problems are : Problem set: 0 solved, 163 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 50/50 constraints, Known Traps Along Path: 17/17 constraints]
After SMT, in 51195ms problems are : Problem set: 0 solved, 163 unsolved
Search for dead transitions found 0 dead transitions in 51196ms
Starting structural reductions in LTL mode, iteration 1 : 179/189 places, 164/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 51363 ms. Remains : 179/189 places, 164/174 transitions.
Stuttering acceptance computed with spot in 249 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), true]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-04
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-04 finished in 51628 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X(p1)))'
Support contains 2 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 181 transition count 166
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 181 transition count 166
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 180 transition count 165
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 180 transition count 165
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 164
Applied a total of 20 rules in 14 ms. Remains 179 /189 variables (removed 10) and now considering 164/174 (removed 10) transitions.
// Phase 1: matrix 164 rows 179 cols
[2025-06-05 09:58:31] [INFO ] Computed 28 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:58:31] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-05 09:58:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:58:31] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
Running 163 sub problems to find dead transitions.
[2025-06-05 09:58:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [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
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:33] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:34] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:34] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:34] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:34] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:35] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:35] [INFO ] Deduced a trap composed of 21 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 6 (OVERLAPS) 164/343 variables, 179/230 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:37] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:37] [INFO ] Deduced a trap composed of 17 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:38] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:39] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:39] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:39] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:39] [INFO ] Deduced a trap along path composed of 5 places in 20 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 5/237 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:41] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 11 (OVERLAPS) 0/343 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 163 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 238 constraints, problems are : Problem set: 0 solved, 163 unsolved in 12157 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 25/53 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (OVERLAPS) 164/343 variables, 179/232 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 163/395 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:44] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:44] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:45] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:46] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 11/406 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:46] [INFO ] Deduced a trap composed of 16 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:46] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:47] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:47] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:47] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:47] [INFO ] Deduced a trap composed of 24 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:47] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 7/413 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:48] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:48] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:48] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:48] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:49] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 5/418 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:51] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 6/425 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:56] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:56] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:58:56] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 3/428 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:01] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:01] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:02] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:02] [INFO ] Deduced a trap along path composed of 6 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:03] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:03] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/343 variables, 6/434 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:09] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:09] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:10] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/343 variables, 3/437 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 437 constraints, problems are : Problem set: 0 solved, 163 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 52/52 constraints, Known Traps Along Path: 15/15 constraints]
After SMT, in 42180ms problems are : Problem set: 0 solved, 163 unsolved
Search for dead transitions found 0 dead transitions in 42180ms
Starting structural reductions in LTL mode, iteration 1 : 179/189 places, 164/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42354 ms. Remains : 179/189 places, 164/174 transitions.
Stuttering acceptance computed with spot in 156 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 171 ms.
Product exploration explored 100000 steps with 50000 reset in 119 ms.
Computed a total of 46 stabilizing places and 46 stable transitions
Computed a total of 46 stabilizing places and 46 stable transitions
Detected a total of 46/179 stabilizing places and 46/164 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 13 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-003B-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-003B-LTLFireability-05 finished in 42839 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&G((X(X(p1))||F(p2))))))'
Support contains 3 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 181 transition count 166
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 181 transition count 166
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 180 transition count 165
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 180 transition count 165
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 164
Applied a total of 20 rules in 9 ms. Remains 179 /189 variables (removed 10) and now considering 164/174 (removed 10) transitions.
// Phase 1: matrix 164 rows 179 cols
[2025-06-05 09:59:14] [INFO ] Computed 28 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:59:14] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-05 09:59:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 09:59:14] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Running 163 sub problems to find dead transitions.
[2025-06-05 09:59:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:15] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:15] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:16] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:17] [INFO ] Deduced a trap composed of 21 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:17] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:17] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (OVERLAPS) 164/343 variables, 179/228 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:20] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:20] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:20] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:22] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:22] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:22] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:24] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:24] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:26] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:29] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/343 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:31] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/343 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:32] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:32] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/343 variables, 2/241 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 16 (OVERLAPS) 0/343 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 163 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 241 constraints, problems are : Problem set: 0 solved, 163 unsolved in 21982 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 25/53 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:36] [INFO ] Deduced a trap composed of 20 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:37] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:37] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (OVERLAPS) 164/343 variables, 179/235 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 163/398 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [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
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 23 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:38] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:39] [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
[2025-06-05 09:59:39] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:39] [INFO ] Deduced a trap composed of 22 places in 27 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 14/412 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:39] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:40] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:40] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:40] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:40] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:40] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 6/418 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:41] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:41] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 2/420 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:43] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 9/430 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:48] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/343 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:52] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/343 variables, 1/432 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:59] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 09:59:59] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:00] [INFO ] Deduced a trap along path composed of 7 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:00] [INFO ] Deduced a trap along path composed of 6 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:02] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:02] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:02] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:03] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:04] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/343 variables, 9/441 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 441 constraints, problems are : Problem set: 0 solved, 163 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 53/53 constraints, Known Traps Along Path: 18/18 constraints]
After SMT, in 52009ms problems are : Problem set: 0 solved, 163 unsolved
Search for dead transitions found 0 dead transitions in 52009ms
Starting structural reductions in LTL mode, iteration 1 : 179/189 places, 164/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52169 ms. Remains : 179/189 places, 164/174 transitions.
Stuttering acceptance computed with spot in 327 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-07
Product exploration explored 100000 steps with 3 reset in 152 ms.
Stack based approach found an accepted trace after 98 steps with 1 reset with depth 94 and stack size 94 in 0 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-07 finished in 52674 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((X(p0)&&(G(p1)||F(p2))))||G(p3))))'
Support contains 4 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 183 transition count 168
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 183 transition count 168
Applied a total of 12 rules in 3 ms. Remains 183 /189 variables (removed 6) and now considering 168/174 (removed 6) transitions.
// Phase 1: matrix 168 rows 183 cols
[2025-06-05 10:00:07] [INFO ] Computed 28 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:00:07] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-05 10:00:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:00:07] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
Running 167 sub problems to find dead transitions.
[2025-06-05 10:00:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/182 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 1/183 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:08] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:08] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:08] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:08] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:08] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:08] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:08] [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
[2025-06-05 10:00:08] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:09] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:10] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:10] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:10] [INFO ] Deduced a trap composed of 20 places in 30 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/183 variables, 4/52 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/183 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 168/351 variables, 183/235 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:12] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:12] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/351 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:13] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/351 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:14] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/351 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:15] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:16] [INFO ] Deduced a trap along path composed of 6 places in 20 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 2/241 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:18] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/351 variables, 1/242 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/351 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 12 (OVERLAPS) 0/351 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 351/351 variables, and 242 constraints, problems are : Problem set: 0 solved, 167 unsolved in 14519 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 183/183 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/182 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 1/183 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 28/56 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/183 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/351 variables, 183/239 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/351 variables, 167/406 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:22] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:22] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:22] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:23] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:24] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:24] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:24] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:24] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:24] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:24] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/351 variables, 19/425 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:24] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:25] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:25] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:25] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/351 variables, 4/429 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:26] [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
[2025-06-05 10:00:26] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:27] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:27] [INFO ] Deduced a trap composed of 22 places in 59 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/351 variables, 4/433 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 3/436 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:31] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:31] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/351 variables, 2/438 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:36] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:37] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:37] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:38] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:38] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:38] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:39] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:40] [INFO ] Deduced a trap along path composed of 6 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/351 variables, 8/446 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:48] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:50] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 351/351 variables, and 448 constraints, problems are : Problem set: 0 solved, 167 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 183/183 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 13/13 constraints]
After SMT, in 44544ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 44544ms
Starting structural reductions in LTL mode, iteration 1 : 183/189 places, 168/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44709 ms. Remains : 183/189 places, 168/174 transitions.
Stuttering acceptance computed with spot in 486 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (NOT p0), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p3)), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p2) (NOT p0) (NOT p3))]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-08
Product exploration explored 100000 steps with 371 reset in 146 ms.
Stack based approach found an accepted trace after 1257 steps with 4 reset with depth 204 and stack size 204 in 4 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-08 finished in 45377 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&&X(p0))||X(G(p0))))))||(G(p1)&&X(X(((!p0&&X(p0))||X(G(p0))))))))'
Support contains 2 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 181 transition count 166
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 181 transition count 166
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 180 transition count 165
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 180 transition count 165
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 164
Applied a total of 20 rules in 9 ms. Remains 179 /189 variables (removed 10) and now considering 164/174 (removed 10) transitions.
// Phase 1: matrix 164 rows 179 cols
[2025-06-05 10:00:52] [INFO ] Computed 28 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:00:52] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-05 10:00:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:00:52] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
Running 163 sub problems to find dead transitions.
[2025-06-05 10:00:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [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
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 14 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:54] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:55] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:55] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:56] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:56] [INFO ] Deduced a trap composed of 21 places in 27 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 6 (OVERLAPS) 164/343 variables, 179/230 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:58] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:58] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:59] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:00:59] [INFO ] Deduced a trap along path composed of 7 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:00] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:00] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:00] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 5/237 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:01] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 11 (OVERLAPS) 0/343 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 163 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 238 constraints, problems are : Problem set: 0 solved, 163 unsolved in 12190 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 25/53 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (OVERLAPS) 164/343 variables, 179/232 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 163/395 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:05] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:05] [INFO ] Deduced a trap composed of 20 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:05] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:06] [INFO ] Deduced a trap composed of 21 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:06] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:06] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:06] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:06] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:06] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:06] [INFO ] Deduced a trap composed of 8 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:07] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 11/406 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:07] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:07] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:08] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:08] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:08] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:08] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:08] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 7/413 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:09] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:09] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:09] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:10] [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
[2025-06-05 10:01:10] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 5/418 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:12] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 6/425 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:17] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:18] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:18] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 3/428 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:23] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:23] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:23] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:23] [INFO ] Deduced a trap along path composed of 6 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:24] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:24] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/343 variables, 6/434 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:30] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:31] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:31] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/343 variables, 3/437 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 437 constraints, problems are : Problem set: 0 solved, 163 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 52/52 constraints, Known Traps Along Path: 15/15 constraints]
After SMT, in 42207ms problems are : Problem set: 0 solved, 163 unsolved
Search for dead transitions found 0 dead transitions in 42208ms
Starting structural reductions in LTL mode, iteration 1 : 179/189 places, 164/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42379 ms. Remains : 179/189 places, 164/174 transitions.
Stuttering acceptance computed with spot in 368 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p1)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-10
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-10 finished in 42773 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 189 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 37 place count 188 transition count 136
Reduce places removed 37 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 40 rules applied. Total rules applied 77 place count 151 transition count 133
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 79 place count 149 transition count 133
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 18 Pre rules applied. Total rules applied 79 place count 149 transition count 115
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 115 place count 131 transition count 115
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 121 place count 125 transition count 109
Iterating global reduction 3 with 6 rules applied. Total rules applied 127 place count 125 transition count 109
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 127 place count 125 transition count 103
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 139 place count 119 transition count 103
Performed 51 Post agglomeration using F-continuation condition.Transition count delta: 51
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 3 with 102 rules applied. Total rules applied 241 place count 68 transition count 52
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 255 place count 61 transition count 55
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 257 place count 59 transition count 53
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 259 place count 57 transition count 53
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 259 place count 57 transition count 52
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 261 place count 56 transition count 52
Applied a total of 261 rules in 22 ms. Remains 56 /189 variables (removed 133) and now considering 52/174 (removed 122) transitions.
// Phase 1: matrix 52 rows 56 cols
[2025-06-05 10:01:35] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants in 46 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 55/189 places, 52/174 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 54 transition count 51
Applied a total of 2 rules in 3 ms. Remains 54 /55 variables (removed 1) and now considering 51/52 (removed 1) transitions.
// Phase 1: matrix 51 rows 54 cols
[2025-06-05 10:01:35] [INFO ] Computed 25 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-05 10:01:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 54/189 places, 51/174 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 153 ms. Remains : 54/189 places, 51/174 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-11
Stuttering criterion allowed to conclude after 120 steps with 0 reset in 1 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-11 finished in 201 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 189 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 37 place count 188 transition count 136
Reduce places removed 37 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 40 rules applied. Total rules applied 77 place count 151 transition count 133
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 79 place count 149 transition count 133
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 19 Pre rules applied. Total rules applied 79 place count 149 transition count 114
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 117 place count 130 transition count 114
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 123 place count 124 transition count 108
Iterating global reduction 3 with 6 rules applied. Total rules applied 129 place count 124 transition count 108
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 129 place count 124 transition count 102
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 141 place count 118 transition count 102
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 3 with 100 rules applied. Total rules applied 241 place count 68 transition count 52
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 257 place count 60 transition count 57
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 258 place count 59 transition count 56
Applied a total of 258 rules in 15 ms. Remains 59 /189 variables (removed 130) and now considering 56/174 (removed 118) transitions.
// Phase 1: matrix 56 rows 59 cols
[2025-06-05 10:01:35] [INFO ] Computed 28 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants in 42 ms returned [50, 51]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 42 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 57/189 places, 56/174 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 57 transition count 55
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 56 transition count 55
Applied a total of 2 rules in 2 ms. Remains 56 /57 variables (removed 1) and now considering 55/56 (removed 1) transitions.
// Phase 1: matrix 55 rows 56 cols
[2025-06-05 10:01:35] [INFO ] Computed 26 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants in 40 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 55/189 places, 55/174 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 54 transition count 54
Applied a total of 2 rules in 2 ms. Remains 54 /55 variables (removed 1) and now considering 54/55 (removed 1) transitions.
// Phase 1: matrix 54 rows 54 cols
[2025-06-05 10:01:35] [INFO ] Computed 25 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-05 10:01:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 54/189 places, 54/174 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 191 ms. Remains : 54/189 places, 54/174 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 130 ms.
Product exploration explored 100000 steps with 50000 reset in 131 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Computed a total of 2 stabilizing places and 2 stable transitions
Detected a total of 2/54 stabilizing places and 2/54 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 18 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-003B-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-003B-LTLFireability-12 finished in 509 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(X((p1 U p2))))))'
Support contains 4 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 180 transition count 165
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 180 transition count 165
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 164
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 178 transition count 163
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 178 transition count 163
Applied a total of 22 rules in 11 ms. Remains 178 /189 variables (removed 11) and now considering 163/174 (removed 11) transitions.
// Phase 1: matrix 163 rows 178 cols
[2025-06-05 10:01:35] [INFO ] Computed 28 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:35] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-05 10:01:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:01:36] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Running 162 sub problems to find dead transitions.
[2025-06-05 10:01:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [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
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:37] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 19/47 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:38] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (OVERLAPS) 163/341 variables, 178/226 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:41] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:41] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:41] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:41] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:43] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:44] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:45] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/341 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:47] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/341 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:48] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:48] [INFO ] Deduced a trap along path composed of 8 places in 25 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/341 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:52] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/341 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/341 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:55] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:55] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/341 variables, 2/239 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/341 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:01:59] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/341 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/341 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:03] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/341 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/341 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 341/341 variables, and 241 constraints, problems are : Problem set: 0 solved, 162 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 178/178 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 11/11 constraints]
Escalating to Integer solving :Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/178 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 24/52 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:06] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (OVERLAPS) 163/341 variables, 178/231 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 162/393 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:07] [INFO ] Deduced a trap composed of 20 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:07] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:07] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:08] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:09] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/341 variables, 15/408 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:09] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:09] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:10] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:10] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 4/412 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:11] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:12] [INFO ] Deduced a trap composed of 22 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:12] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/341 variables, 3/415 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/341 variables, 11/426 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:18] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:18] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/341 variables, 2/428 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:22] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 1/429 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:29] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/341 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:32] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/341 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 341/341 variables, and 431 constraints, problems are : Problem set: 0 solved, 162 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 178/178 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 50/50 constraints, Known Traps Along Path: 13/13 constraints]
After SMT, in 60029ms problems are : Problem set: 0 solved, 162 unsolved
Search for dead transitions found 0 dead transitions in 60030ms
Starting structural reductions in LTL mode, iteration 1 : 178/189 places, 163/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60191 ms. Remains : 178/189 places, 163/174 transitions.
Stuttering acceptance computed with spot in 173 ms :[(NOT p2), (OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-13
Product exploration explored 100000 steps with 571 reset in 318 ms.
Stack based approach found an accepted trace after 57741 steps with 1375 reset with depth 1135 and stack size 1135 in 139 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-13 finished in 60837 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(p0 U !X((p1 U (F(p0)&&p2)))))'
Support contains 4 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 174/174 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 181 transition count 166
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 181 transition count 166
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 180 transition count 165
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 180 transition count 165
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 179 transition count 164
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 179 transition count 164
Applied a total of 20 rules in 8 ms. Remains 179 /189 variables (removed 10) and now considering 164/174 (removed 10) transitions.
// Phase 1: matrix 164 rows 179 cols
[2025-06-05 10:02:36] [INFO ] Computed 28 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:02:36] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-05 10:02:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 10:02:36] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Running 163 sub problems to find dead transitions.
[2025-06-05 10:02:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:38] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 14 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 19/47 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:39] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (OVERLAPS) 164/343 variables, 179/228 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:42] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:43] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:45] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:45] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 10 (OVERLAPS) 0/343 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 163 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 232 constraints, problems are : Problem set: 0 solved, 163 unsolved in 11802 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/178 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (OVERLAPS) 1/179 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/179 variables, 22/50 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:49] [INFO ] Deduced a trap composed of 20 places in 26 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 5 (OVERLAPS) 164/343 variables, 179/230 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/343 variables, 163/393 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:50] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 24 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:51] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/343 variables, 20/413 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:52] [INFO ] Deduced a trap composed of 20 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:52] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:53] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 3/416 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:53] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:54] [INFO ] Deduced a trap composed of 22 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:54] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 3/419 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:55] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:55] [INFO ] Deduced a trap composed of 22 places in 54 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 2/421 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:02:57] [INFO ] Deduced a trap composed of 23 places in 54 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 1/422 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/343 variables, 3/425 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:03] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/343 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:06] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/343 variables, 1/427 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:10] [INFO ] Deduced a trap composed of 22 places in 61 ms of which 4 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 1/428 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:17] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:18] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:18] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:18] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:18] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 10:03:18] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 434 constraints, problems are : Problem set: 0 solved, 163 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 179/179 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 55/55 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 41829ms problems are : Problem set: 0 solved, 163 unsolved
Search for dead transitions found 0 dead transitions in 41830ms
Starting structural reductions in LTL mode, iteration 1 : 179/189 places, 164/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41990 ms. Remains : 179/189 places, 164/174 transitions.
Stuttering acceptance computed with spot in 144 ms :[(OR (NOT p0) (NOT p2)), (OR (NOT p2) (NOT p0)), true, (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003B-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-003B-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003B-LTLFireability-14 finished in 42150 ms.
All properties solved by simple procedures.
Total runtime 450824 ms.
BK_STOP 1749117798957
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldIIPt-PT-003B"
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 ShieldIIPt-PT-003B, 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 r198-tall-174894532800468"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-003B.tgz
mv ShieldIIPt-PT-003B 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 '
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 ;