About the Execution of ITS-Tools for ShieldRVs-PT-002B
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 353888.00 | 0.00 | 0.00 | FFFTFTFFFTTFTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r212-tall-174901993500028.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldRVs-PT-002B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901993500028
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 24K May 29 14:33 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 ShieldRVs-PT-002B-LTLFireability-00
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-01
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-02
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-03
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-04
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-05
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-06
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-07
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-08
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-09
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-10
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-11
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-12
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-13
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-14
FORMULA_NAME ShieldRVs-PT-002B-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749034936803
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVs-PT-002B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-04 11:02:18] [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]
[2025-06-04 11:02:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 11:02:18] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2025-06-04 11:02:18] [INFO ] Transformed 83 places.
[2025-06-04 11:02:18] [INFO ] Transformed 93 transitions.
[2025-06-04 11:02:18] [INFO ] Found NUPN structural information;
[2025-06-04 11:02:18] [INFO ] Parsed PT model containing 83 places and 93 transitions and 288 arcs in 150 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA ShieldRVs-PT-002B-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-002B-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-002B-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-002B-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 83 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 83/83 places, 93/93 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 75 transition count 85
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 75 transition count 85
Applied a total of 16 rules in 18 ms. Remains 75 /83 variables (removed 8) and now considering 85/93 (removed 8) transitions.
// Phase 1: matrix 85 rows 75 cols
[2025-06-04 11:02:18] [INFO ] Computed 9 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:02:18] [INFO ] Implicit Places using invariants in 172 ms returned []
[2025-06-04 11:02:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:02:18] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
Running 84 sub problems to find dead transitions.
[2025-06-04 11:02:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 1 (OVERLAPS) 1/75 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:19] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:19] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:19] [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
[2025-06-04 11:02:19] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:19] [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
[2025-06-04 11:02:19] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [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
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:20] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 10/39 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 25 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 26 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 26 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 26 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:21] [INFO ] Deduced a trap composed of 24 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 29 places in 40 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 22 places in 28 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 6/56 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:22] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:23] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:23] [INFO ] Deduced a trap composed of 25 places in 35 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:23] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:23] [INFO ] Deduced a trap composed of 24 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:23] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 3/62 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 10 (OVERLAPS) 85/160 variables, 75/137 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 26 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 27 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 7/144 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:24] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/160 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:25] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:25] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/160 variables, 2/147 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:25] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:25] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/160 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:26] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 6 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/160 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/160 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:27] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/160 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:27] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:27] [INFO ] Deduced a trap composed of 26 places in 38 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/160 variables, 2/153 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:28] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/160 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/160 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 21 (OVERLAPS) 0/160 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 84 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 154 constraints, problems are : Problem set: 0 solved, 84 unsolved in 11183 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 75/75 constraints, PredecessorRefiner: 84/84 constraints, Known Traps: 68/68 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 1 (OVERLAPS) 1/75 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 68/77 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:30] [INFO ] Deduced a trap composed of 25 places in 27 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:30] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:30] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 2/80 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:30] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 7 (OVERLAPS) 85/160 variables, 75/156 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 84/240 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:31] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:31] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:31] [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
[2025-06-04 11:02:31] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:31] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:31] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:31] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:31] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 8/248 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:32] [INFO ] Deduced a trap composed of 27 places in 38 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:33] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:34] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:34] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/160 variables, 2/252 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:36] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/160 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/160 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:39] [INFO ] Deduced a trap composed of 26 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:39] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:39] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/160 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:42] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/160 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 84 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/160 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:47] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:48] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:48] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 3 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/160 variables, 3/262 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:50] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/160 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:02:54] [INFO ] Deduced a trap along path composed of 11 places in 33 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/160 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 84 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 160/160 variables, and 264 constraints, problems are : Problem set: 0 solved, 84 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 75/75 constraints, PredecessorRefiner: 84/84 constraints, Known Traps: 92/92 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 41260ms problems are : Problem set: 0 solved, 84 unsolved
Search for dead transitions found 0 dead transitions in 41276ms
Starting structural reductions in LTL mode, iteration 1 : 75/83 places, 85/93 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41613 ms. Remains : 75/83 places, 85/93 transitions.
Support contains 32 out of 75 places after structural reductions.
[2025-06-04 11:03:00] [INFO ] Flatten gal took : 26 ms
[2025-06-04 11:03:00] [INFO ] Flatten gal took : 15 ms
[2025-06-04 11:03:00] [INFO ] Input system was already deterministic with 85 transitions.
RANDOM walk for 33952 steps (302 resets) in 691 ms. (49 steps per ms) remains 0/26 properties
FORMULA ShieldRVs-PT-002B-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 19 stabilizing places and 19 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 74 transition count 75
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 65 transition count 75
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 18 place count 65 transition count 65
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 38 place count 55 transition count 65
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 43 place count 50 transition count 60
Iterating global reduction 2 with 5 rules applied. Total rules applied 48 place count 50 transition count 60
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 48 place count 50 transition count 57
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 54 place count 47 transition count 57
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 84 place count 32 transition count 42
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 86 place count 30 transition count 40
Applied a total of 86 rules in 21 ms. Remains 30 /75 variables (removed 45) and now considering 40/85 (removed 45) transitions.
// Phase 1: matrix 40 rows 30 cols
[2025-06-04 11:03:00] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:03:01] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-04 11:03:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:03:01] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:03:01] [INFO ] Redundant transitions in 21 ms returned [39]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 38 sub problems to find dead transitions.
// Phase 1: matrix 39 rows 30 cols
[2025-06-04 11:03:01] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 6 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 11/20 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 39/69 variables, 30/54 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:01] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:02] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/69 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:02] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:02] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:02] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:02] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:02] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:02] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 6/63 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (OVERLAPS) 0/69 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 63 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1798 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 24/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 39/69 variables, 30/63 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 38/101 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:03] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:03] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/69 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 103 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1082 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2891ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 2892ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/75 places, 39/85 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3040 ms. Remains : 30/75 places, 39/85 transitions.
Stuttering acceptance computed with spot in 148 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-02
Stuttering criterion allowed to conclude after 37 steps with 0 reset in 3 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002B-LTLFireability-02 finished in 3251 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(F((p1&&F((!p0 U (G(!p0)||(!p0&&(X(!p2) U ((p3&&X(!p2))||X(G(!p2))))))))))))))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 71 transition count 81
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 71 transition count 81
Applied a total of 8 rules in 8 ms. Remains 71 /75 variables (removed 4) and now considering 81/85 (removed 4) transitions.
// Phase 1: matrix 81 rows 71 cols
[2025-06-04 11:03:04] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:03:04] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 11:03:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:03:04] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Running 80 sub problems to find dead transitions.
[2025-06-04 11:03:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (OVERLAPS) 1/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:04] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:04] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:04] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:04] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:04] [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
[2025-06-04 11:03:04] [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
[2025-06-04 11:03:04] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:04] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [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
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 23 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [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
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [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
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [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
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:05] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 24 places in 33 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 9/38 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 25 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [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
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 9/47 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:06] [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
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 25 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 25 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 5/52 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 22 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 25 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [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
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:07] [INFO ] Deduced a trap composed of 23 places in 49 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/71 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 10 (OVERLAPS) 81/152 variables, 71/130 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:08] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:08] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:08] [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
[2025-06-04 11:03:08] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/152 variables, 4/134 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:08] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:09] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/152 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:09] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/152 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:09] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:10] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/152 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:10] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:10] [INFO ] Deduced a trap composed of 26 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:10] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:10] [INFO ] Deduced a trap composed of 27 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:10] [INFO ] Deduced a trap composed of 25 places in 30 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/152 variables, 5/144 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:10] [INFO ] Deduced a trap composed of 24 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:11] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/152 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/152 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:12] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 0 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/152 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/152 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:12] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:12] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:12] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 4 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/152 variables, 3/150 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:13] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:13] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:13] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:13] [INFO ] Deduced a trap composed of 25 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:13] [INFO ] Deduced a trap composed of 25 places in 28 ms of which 2 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/152 variables, 5/155 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/152 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 23 (OVERLAPS) 0/152 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 80 unsolved
No progress, stopping.
After SMT solving in domain Real declared 152/152 variables, and 155 constraints, problems are : Problem set: 0 solved, 80 unsolved in 10605 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 71/71 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 73/73 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 1 (OVERLAPS) 1/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 73/82 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:15] [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
[2025-06-04 11:03:15] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:15] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 3/85 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:15] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:15] [INFO ] Deduced a trap composed of 24 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:15] [INFO ] Deduced a trap composed of 24 places in 27 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 3/88 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:15] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 7 (OVERLAPS) 81/152 variables, 71/160 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/152 variables, 80/240 constraints. Problems are: Problem set: 0 solved, 80 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/152 variables, 2/242 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:17] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:17] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/152 variables, 2/244 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:19] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:19] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/152 variables, 2/246 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:20] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:20] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/152 variables, 2/248 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:22] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/152 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:23] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/152 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:25] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/152 variables, 1/251 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:27] [INFO ] Deduced a trap composed of 23 places in 27 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/152 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:29] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 4 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/152 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:31] [INFO ] Deduced a trap along path composed of 7 places in 34 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/152 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:35] [INFO ] Deduced a trap along path composed of 10 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:35] [INFO ] Deduced a trap along path composed of 7 places in 35 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/152 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:37] [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
[2025-06-04 11:03:38] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 2 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/152 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:40] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 1 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/152 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 80 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 152/152 variables, and 259 constraints, problems are : Problem set: 0 solved, 80 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 71/71 constraints, PredecessorRefiner: 80/80 constraints, Known Traps: 94/94 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 40632ms problems are : Problem set: 0 solved, 80 unsolved
Search for dead transitions found 0 dead transitions in 40633ms
Starting structural reductions in LTL mode, iteration 1 : 71/75 places, 81/85 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40739 ms. Remains : 71/75 places, 81/85 transitions.
Stuttering acceptance computed with spot in 234 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), (AND p0 p2), p0]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-03
Product exploration explored 100000 steps with 25026 reset in 165 ms.
Product exploration explored 100000 steps with 25132 reset in 135 ms.
Computed a total of 17 stabilizing places and 17 stable transitions
Computed a total of 17 stabilizing places and 17 stable transitions
Detected a total of 17/71 stabilizing places and 17/81 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 p3 (NOT p2)), (X p3), (X (AND (NOT p0) p1)), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1 (NOT p3)))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 24 factoid took 227 ms. Reduced automaton from 5 states, 18 edges and 4 AP (stutter sensitive) to 9 states, 33 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 418 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), false, p0, false, false, false, false]
RANDOM walk for 40000 steps (363 resets) in 518 ms. (77 steps per ms) remains 3/19 properties
BEST_FIRST walk for 40001 steps (132 resets) in 166 ms. (239 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (123 resets) in 240 ms. (165 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (114 resets) in 58 ms. (678 steps per ms) remains 2/3 properties
[2025-06-04 11:03:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 36/40 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/71 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 81/152 variables, 71/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/152 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 152/152 variables, and 80 constraints, problems are : Problem set: 0 solved, 2 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 71/71 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf6 is UNSAT
Problem apf9 is UNSAT
After SMT solving in domain Int declared 40/152 variables, and 4 constraints, problems are : Problem set: 2 solved, 0 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 4/9 constraints, State Equation: 0/71 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 190ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1 p3 (NOT p2)), (X p3), (X (AND (NOT p0) p1)), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1 (NOT p3)))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p3) p2)))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p3) p2)))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p0) p1 (NOT p3) p2)), (G (OR p0 p1 (NOT p3) p2))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) p1))), (F (NOT (AND (NOT p0) p1 p3 (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p1) (NOT p3) p2))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p0) p3 p2))), (F (NOT (OR p0 p3 p2))), (F (NOT (AND (NOT p0) (NOT p2)))), (F p0), (F p2), (F (NOT p1)), (F (NOT (OR p0 (NOT p1) p3))), (F (NOT (OR p0 p3 (NOT p2)))), (F (NOT (OR p0 p3))), (F (NOT p3)), (F (NOT (OR p0 (NOT p2)))), (F (NOT (OR (NOT p0) p2)))]
Knowledge based reduction with 26 factoid took 1045 ms. Reduced automaton from 9 states, 33 edges and 4 AP (stutter insensitive) to 7 states, 26 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 296 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), false, p0, false, false]
Stuttering acceptance computed with spot in 287 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), false, p0, false, false]
Support contains 4 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 81/81 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 70 transition count 72
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 62 transition count 72
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 16 place count 62 transition count 64
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 32 place count 54 transition count 64
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 68 place count 36 transition count 46
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 34 transition count 44
Applied a total of 70 rules in 17 ms. Remains 34 /71 variables (removed 37) and now considering 44/81 (removed 37) transitions.
// Phase 1: matrix 44 rows 34 cols
[2025-06-04 11:03:48] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:03:48] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 11:03:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:03:48] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:03:48] [INFO ] Redundant transitions in 19 ms returned [43]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 40 sub problems to find dead transitions.
// Phase 1: matrix 43 rows 34 cols
[2025-06-04 11:03:48] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:48] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:48] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:48] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:48] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:48] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:48] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:48] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 11 places in 54 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 2/34 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 6 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 7/27 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:49] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:50] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/34 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (OVERLAPS) 43/77 variables, 34/64 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:50] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:50] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/77 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:50] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/77 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:50] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/77 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/77 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 15 (OVERLAPS) 0/77 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 77/77 variables, and 68 constraints, problems are : Problem set: 0 solved, 40 unsolved in 2353 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 20/27 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (OVERLAPS) 2/34 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (OVERLAPS) 43/77 variables, 34/68 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 40/108 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:51] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:51] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/77 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:51] [INFO ] Deduced a trap composed of 6 places in 42 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/77 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:52] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/77 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:52] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/77 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:52] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:52] [INFO ] Deduced a trap composed of 8 places in 162 ms of which 30 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/77 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:53] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/77 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/77 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:53] [INFO ] Deduced a trap composed of 9 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:53] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 4 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/77 variables, 2/118 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:03:54] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/77 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/77 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 19 (OVERLAPS) 0/77 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 77/77 variables, and 119 constraints, problems are : Problem set: 0 solved, 40 unsolved in 4520 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 6902ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 6902ms
Starting structural reductions in SI_LTL mode, iteration 1 : 34/71 places, 43/81 transitions.
Applied a total of 0 rules in 4 ms. Remains 34 /34 variables (removed 0) and now considering 43/43 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 7047 ms. Remains : 34/71 places, 43/81 transitions.
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 2/34 stabilizing places and 2/43 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X (NOT p2)), (X p3), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (X (NOT (AND p0 (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p0) p1 (NOT p3)))), (X (NOT (AND (NOT p0) p2 (NOT p3)))), (X p1), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p0) p1 (NOT p2) p3)), (X (NOT (AND (NOT p0) p1 (NOT p2) p3))), (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3))), (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3)))), (X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) (NOT p2) p3)), (X (NOT (AND (NOT p0) (NOT p2) p3))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2) p3)), (X (NOT (AND p0 (NOT p2) p3))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) p1 (NOT p2) p3))), (X (X (NOT (AND (NOT p0) p1 (NOT p2) p3)))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2) p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p3)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2) p3))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 21 factoid took 1432 ms. Reduced automaton from 7 states, 26 edges and 4 AP (stutter insensitive) to 7 states, 26 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 256 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), false, p0, false, false]
RANDOM walk for 40000 steps (918 resets) in 121 ms. (327 steps per ms) remains 1/18 properties
BEST_FIRST walk for 2496 steps (15 resets) in 5 ms. (416 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2) p3), (X (NOT p2)), (X p3), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (X (NOT (AND p0 (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p0) p1 (NOT p3)))), (X (NOT (AND (NOT p0) p2 (NOT p3)))), (X p1), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND (NOT p0) p1 (NOT p2) p3)), (X (NOT (AND (NOT p0) p1 (NOT p2) p3))), (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3))), (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3)))), (X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X (AND (NOT p0) (NOT p2) p3)), (X (NOT (AND (NOT p0) (NOT p2) p3))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2) p3)), (X (NOT (AND p0 (NOT p2) p3))), (X p0), (X (NOT p0)), (X (X (AND (NOT p0) p1 (NOT p2) p3))), (X (X (NOT (AND (NOT p0) p1 (NOT p2) p3)))), (X (X (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) (NOT p2) p3))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p2) p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p3)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2) p3))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X p0)), (X (X (NOT p0))), (F (NOT (AND (NOT p0) (NOT p2) p3))), (F (NOT (OR p0 (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR p0 p3 (NOT p1)))), (F p0), (F (NOT (OR p0 p3))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p2) p3 p1))), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR (NOT p0) p2 (NOT p3)))), (F (NOT (OR (NOT p0) (NOT p1)))), (F p2), (F (NOT p1)), (F (NOT (OR (AND (NOT p0) (NOT p2) p3) (AND (NOT p0) p1)))), (F (NOT (OR p0 (NOT p2) p3))), (F (NOT p3)), (F (NOT (OR (NOT p0) p2 p3))), (F (NOT (OR p0 p2 p3)))]
Knowledge based reduction with 21 factoid took 2184 ms. Reduced automaton from 7 states, 26 edges and 4 AP (stutter insensitive) to 7 states, 26 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 264 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), false, p0, false, false]
Stuttering acceptance computed with spot in 280 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), false, p0, false, false]
Stuttering acceptance computed with spot in 264 ms :[(AND (NOT p0) (NOT p1)), (OR (NOT p1) p0), (AND p0 p2), false, p0, false, false]
Product exploration explored 100000 steps with 23427 reset in 177 ms.
Product exploration explored 100000 steps with 23552 reset in 173 ms.
Built C files in :
/tmp/ltsmin15225197311308861328
[2025-06-04 11:04:00] [INFO ] Computing symmetric may disable matrix : 43 transitions.
[2025-06-04 11:04:00] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 11:04:00] [INFO ] Computing symmetric may enable matrix : 43 transitions.
[2025-06-04 11:04:00] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 11:04:00] [INFO ] Computing Do-Not-Accords matrix : 43 transitions.
[2025-06-04 11:04:00] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 11:04:00] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15225197311308861328
Running compilation step : cd /tmp/ltsmin15225197311308861328;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 227 ms.
Running link step : cd /tmp/ltsmin15225197311308861328;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin15225197311308861328;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased16658017515936314626.hoa' '--buchi-type=spotba'
LTSmin run took 2688 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-03 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldRVs-PT-002B-LTLFireability-03 finished in 59497 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 74 transition count 77
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 67 transition count 77
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 14 place count 67 transition count 69
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 30 place count 59 transition count 69
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 36 place count 53 transition count 63
Iterating global reduction 2 with 6 rules applied. Total rules applied 42 place count 53 transition count 63
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 42 place count 53 transition count 60
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 48 place count 50 transition count 60
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 78 place count 35 transition count 45
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 80 place count 33 transition count 43
Applied a total of 80 rules in 22 ms. Remains 33 /75 variables (removed 42) and now considering 43/85 (removed 42) transitions.
// Phase 1: matrix 43 rows 33 cols
[2025-06-04 11:04:03] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:04:03] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-04 11:04:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:04:03] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:04:03] [INFO ] Redundant transitions in 18 ms returned [42]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 39 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 33 cols
[2025-06-04 11:04:03] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:03] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 2/33 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 5 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [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
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/33 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 42/75 variables, 33/54 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:04] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:05] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:05] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:05] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:05] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:05] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:05] [INFO ] Deduced a trap along path composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/75 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/75 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 14 (OVERLAPS) 0/75 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 63 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2150 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 2/33 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 11/29 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 42/75 variables, 33/62 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 39/101 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:06] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:06] [INFO ] Deduced a trap composed of 9 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:07] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/75 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/75 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 14 (OVERLAPS) 0/75 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 105 constraints, problems are : Problem set: 0 solved, 39 unsolved in 2002 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4172ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 4173ms
Starting structural reductions in SI_LTL mode, iteration 1 : 33/75 places, 42/85 transitions.
Applied a total of 0 rules in 1 ms. Remains 33 /33 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4296 ms. Remains : 33/75 places, 42/85 transitions.
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-04
Stuttering criterion allowed to conclude after 41 steps with 1 reset in 0 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002B-LTLFireability-04 finished in 4337 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((F(p0) U p1)))&&F(p2)))))'
Support contains 6 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 69 transition count 79
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 69 transition count 79
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 68 transition count 78
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 68 transition count 78
Applied a total of 14 rules in 7 ms. Remains 68 /75 variables (removed 7) and now considering 78/85 (removed 7) transitions.
// Phase 1: matrix 78 rows 68 cols
[2025-06-04 11:04:07] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:04:08] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-04 11:04:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:04:08] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Running 77 sub problems to find dead transitions.
[2025-06-04 11:04:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (OVERLAPS) 1/68 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:08] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:08] [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
[2025-06-04 11:04:08] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:08] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:08] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:08] [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
[2025-06-04 11:04:08] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 18 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 18 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [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
[2025-06-04 11:04:09] [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
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 16 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:09] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:10] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:10] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:10] [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
[2025-06-04 11:04:10] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:10] [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
[2025-06-04 11:04:10] [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
[2025-06-04 11:04:10] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 10/39 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:10] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:10] [INFO ] Deduced a trap composed of 25 places in 152 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:10] [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
[2025-06-04 11:04:10] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 4/43 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 78/146 variables, 68/111 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/146 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:11] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:11] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:12] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:12] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/146 variables, 4/115 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:12] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/146 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:12] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:13] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:13] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 2/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:14] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:14] [INFO ] Deduced a trap along path composed of 9 places in 27 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/146 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:14] [INFO ] Deduced a trap composed of 26 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:14] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:14] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/146 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/146 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 17 (OVERLAPS) 0/146 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 146/146 variables, and 124 constraints, problems are : Problem set: 0 solved, 77 unsolved in 8116 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 68/68 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (OVERLAPS) 1/68 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 44/53 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:16] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:16] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:16] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:16] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:16] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:16] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:16] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:17] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:17] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:17] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:17] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (OVERLAPS) 78/146 variables, 68/132 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/146 variables, 77/209 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:17] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:17] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:17] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/146 variables, 3/212 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:18] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 3/216 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:23] [INFO ] Deduced a trap along path composed of 11 places in 47 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:23] [INFO ] Deduced a trap along path composed of 7 places in 31 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/146 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:29] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 2 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/146 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:31] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:31] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 4 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/146 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/146 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:38] [INFO ] Deduced a trap along path composed of 8 places in 32 ms of which 1 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/146 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/146 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 20 (OVERLAPS) 0/146 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Int declared 146/146 variables, and 222 constraints, problems are : Problem set: 0 solved, 77 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 68/68 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 38151ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 38151ms
Starting structural reductions in LTL mode, iteration 1 : 68/75 places, 78/85 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 38269 ms. Remains : 68/75 places, 78/85 transitions.
Stuttering acceptance computed with spot in 226 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-05
Product exploration explored 100000 steps with 2818 reset in 206 ms.
Product exploration explored 100000 steps with 2830 reset in 153 ms.
Computed a total of 15 stabilizing places and 15 stable transitions
Computed a total of 15 stabilizing places and 15 stable transitions
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 102 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
RANDOM walk for 1475 steps (13 resets) in 8 ms. (163 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F (NOT (OR p1 p2 p0))), (F p1), (F (NOT p2)), (F (NOT (OR p2 p0))), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 10 factoid took 349 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 236 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 219 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
[2025-06-04 11:04:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:04:48] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-04 11:04:48] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-04 11:04:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:04:48] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-04 11:04:48] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-04 11:04:48] [INFO ] Computed and/alt/rep : 77/226/77 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-04 11:04:48] [INFO ] Added : 77 causal constraints over 17 iterations in 232 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 6 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 78/78 transitions.
Applied a total of 0 rules in 1 ms. Remains 68 /68 variables (removed 0) and now considering 78/78 (removed 0) transitions.
[2025-06-04 11:04:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:04:48] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 11:04:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:04:48] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Running 77 sub problems to find dead transitions.
[2025-06-04 11:04:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (OVERLAPS) 1/68 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:48] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:48] [INFO ] Deduced a trap composed of 17 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:48] [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
[2025-06-04 11:04:48] [INFO ] Deduced a trap composed of 17 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [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
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 19 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [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
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [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
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:49] [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
[2025-06-04 11:04:49] [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
[2025-06-04 11:04:50] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:50] [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
[2025-06-04 11:04:50] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:50] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 10/39 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:50] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:50] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:50] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:50] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 4/43 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 78/146 variables, 68/111 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/146 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:51] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:51] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:51] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:51] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/146 variables, 4/115 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:52] [INFO ] Deduced a trap along path composed of 7 places in 16 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/146 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:52] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:52] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:52] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 2/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:53] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:53] [INFO ] Deduced a trap along path composed of 9 places in 27 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/146 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:54] [INFO ] Deduced a trap composed of 26 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:54] [INFO ] Deduced a trap composed of 27 places in 43 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:54] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/146 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/146 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 17 (OVERLAPS) 0/146 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 146/146 variables, and 124 constraints, problems are : Problem set: 0 solved, 77 unsolved in 7462 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 68/68 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (OVERLAPS) 1/68 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 44/53 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 25 places in 39 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [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
[2025-06-04 11:04:56] [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
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:56] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 4/64 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (OVERLAPS) 78/146 variables, 68/132 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/146 variables, 77/209 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:57] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:57] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:57] [INFO ] Deduced a trap composed of 23 places in 29 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/146 variables, 3/212 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:04:58] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 3/216 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:03] [INFO ] Deduced a trap along path composed of 11 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:03] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/146 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:09] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/146 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:11] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:11] [INFO ] Deduced a trap composed of 28 places in 39 ms of which 4 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/146 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/146 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:18] [INFO ] Deduced a trap along path composed of 8 places in 26 ms of which 0 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/146 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/146 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 20 (OVERLAPS) 0/146 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Int declared 146/146 variables, and 222 constraints, problems are : Problem set: 0 solved, 77 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 68/68 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 37488ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 37489ms
Finished structural reductions in LTL mode , in 1 iterations and 37595 ms. Remains : 68/68 places, 78/78 transitions.
Computed a total of 15 stabilizing places and 15 stable transitions
Computed a total of 15 stabilizing places and 15 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (X p2)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 106 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
RANDOM walk for 1220 steps (8 resets) in 10 ms. (110 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X (X p2)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F (NOT p2)), (F (NOT (OR p0 p2 p1))), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 6 factoid took 300 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Stuttering acceptance computed with spot in 207 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
[2025-06-04 11:05:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:05:27] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-04 11:05:27] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-04 11:05:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:05:27] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-04 11:05:27] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-04 11:05:27] [INFO ] Computed and/alt/rep : 77/226/77 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-04 11:05:27] [INFO ] Added : 77 causal constraints over 17 iterations in 225 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 203 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Product exploration explored 100000 steps with 2808 reset in 112 ms.
Product exploration explored 100000 steps with 2819 reset in 116 ms.
Applying partial POR strategy [false, false, true, false, true]
Stuttering acceptance computed with spot in 238 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Support contains 6 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 78/78 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 68 transition count 78
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 5 Pre rules applied. Total rules applied 7 place count 68 transition count 79
Deduced a syphon composed of 12 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 68 transition count 79
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 67 transition count 78
Deduced a syphon composed of 11 places in 1 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 67 transition count 78
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 31 places in 1 ms
Iterating global reduction 1 with 20 rules applied. Total rules applied 34 place count 67 transition count 78
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 46 place count 55 transition count 66
Deduced a syphon composed of 19 places in 0 ms
Iterating global reduction 1 with 12 rules applied. Total rules applied 58 place count 55 transition count 66
Deduced a syphon composed of 19 places in 0 ms
Applied a total of 58 rules in 14 ms. Remains 55 /68 variables (removed 13) and now considering 66/78 (removed 12) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:05:28] [INFO ] Redundant transitions in 14 ms returned []
Running 65 sub problems to find dead transitions.
// Phase 1: matrix 66 rows 55 cols
[2025-06-04 11:05:28] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 3 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 2 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 5 places in 28 ms of which 2 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:28] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 10 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [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
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 1 ms to minimize.
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 4 places in 21 ms of which 2 ms to minimize.
Problem TDEAD39 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD56 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 2 ms to minimize.
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD64 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 17/26 constraints. Problems are: Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 3/29 constraints. Problems are: Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [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
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 2/31 constraints. Problems are: Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 2/33 constraints. Problems are: Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:29] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 8 (OVERLAPS) 66/121 variables, 55/89 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 0/89 constraints. Problems are: Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:30] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/121 variables, 1/90 constraints. Problems are: Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:30] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/121 variables, 1/91 constraints. Problems are: Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:30] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/121 variables, 1/92 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/121 variables, 0/92 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 14 (OVERLAPS) 0/121 variables, 0/92 constraints. Problems are: Problem set: 20 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 121/121 variables, and 92 constraints, problems are : Problem set: 20 solved, 45 unsolved in 2924 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 20 solved, 45 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 1 (OVERLAPS) 20/55 variables, 9/9 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 27/36 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/36 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 66/121 variables, 55/91 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 45/136 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 1/137 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 0/137 constraints. Problems are: Problem set: 20 solved, 45 unsolved
At refinement iteration 8 (OVERLAPS) 0/121 variables, 0/137 constraints. Problems are: Problem set: 20 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 121/121 variables, and 137 constraints, problems are : Problem set: 20 solved, 45 unsolved in 2237 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 45/65 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5175ms problems are : Problem set: 20 solved, 45 unsolved
Search for dead transitions found 20 dead transitions in 5175ms
Found 20 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 20 transitions
Dead transitions reduction (with SMT) removed 20 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 55/68 places, 46/78 transitions.
Graph (complete) has 148 edges and 55 vertex of which 36 are kept as prefixes of interest. Removing 19 places using SCC suffix rule.2 ms
Discarding 19 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 36 /55 variables (removed 19) and now considering 46/46 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 36/68 places, 46/78 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 5223 ms. Remains : 36/68 places, 46/78 transitions.
Built C files in :
/tmp/ltsmin15395065364015843911
[2025-06-04 11:05:33] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15395065364015843911
Running compilation step : cd /tmp/ltsmin15395065364015843911;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 156 ms.
Running link step : cd /tmp/ltsmin15395065364015843911;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin15395065364015843911;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased6178587561445119606.hoa' '--buchi-type=spotba'
LTSmin run took 10272 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-05 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldRVs-PT-002B-LTLFireability-05 finished in 96052 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1) U p2))'
Support contains 7 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 74 transition count 77
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 67 transition count 77
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 14 place count 67 transition count 66
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 36 place count 56 transition count 66
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 42 place count 50 transition count 60
Iterating global reduction 2 with 6 rules applied. Total rules applied 48 place count 50 transition count 60
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 48 place count 50 transition count 59
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 49 transition count 59
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 78 place count 35 transition count 45
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 80 place count 33 transition count 43
Applied a total of 80 rules in 14 ms. Remains 33 /75 variables (removed 42) and now considering 43/85 (removed 42) transitions.
// Phase 1: matrix 43 rows 33 cols
[2025-06-04 11:05:44] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:05:44] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 11:05:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:05:44] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:05:44] [INFO ] Redundant transitions in 15 ms returned [42]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 40 sub problems to find dead transitions.
// Phase 1: matrix 42 rows 33 cols
[2025-06-04 11:05:44] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (OVERLAPS) 2/33 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [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
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [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
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:44] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/33 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (OVERLAPS) 42/75 variables, 33/55 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:45] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:45] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:45] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:45] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:45] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 5/60 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:45] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/75 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 12 (OVERLAPS) 0/75 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 61 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1688 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (OVERLAPS) 2/33 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 12/28 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:45] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:46] [INFO ] Deduced a trap composed of 7 places in 17 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:46] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:46] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:46] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:46] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/33 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (OVERLAPS) 42/75 variables, 33/67 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 40/107 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:46] [INFO ] Deduced a trap along path composed of 6 places in 24 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 12 (OVERLAPS) 0/75 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 108 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1585 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3281ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 3281ms
Starting structural reductions in SI_LTL mode, iteration 1 : 33/75 places, 42/85 transitions.
Applied a total of 0 rules in 4 ms. Remains 33 /33 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3394 ms. Remains : 33/75 places, 42/85 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p2), true, (NOT p1)]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002B-LTLFireability-06 finished in 3516 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) U !p1) U X(p2)) U X(p1))))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 70 transition count 80
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 70 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 69 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 69 transition count 79
Applied a total of 12 rules in 10 ms. Remains 69 /75 variables (removed 6) and now considering 79/85 (removed 6) transitions.
// Phase 1: matrix 79 rows 69 cols
[2025-06-04 11:05:47] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:05:47] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 11:05:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:05:47] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Running 78 sub problems to find dead transitions.
[2025-06-04 11:05:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [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
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [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
[2025-06-04 11:05:48] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:48] [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
[2025-06-04 11:05:48] [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
[2025-06-04 11:05:49] [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
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [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
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [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
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 25 places in 27 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 10/39 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [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
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 22 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:49] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (OVERLAPS) 79/148 variables, 69/113 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:50] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:50] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:50] [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
[2025-06-04 11:05:50] [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
[2025-06-04 11:05:50] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:50] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/148 variables, 4/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (OVERLAPS) 0/148 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 148/148 variables, and 119 constraints, problems are : Problem set: 0 solved, 78 unsolved in 4332 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 41/50 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:52] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:52] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:52] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:52] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (OVERLAPS) 79/148 variables, 69/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/148 variables, 78/201 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:53] [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
[2025-06-04 11:05:53] [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
[2025-06-04 11:05:53] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:53] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 4/205 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:53] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/148 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:55] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:05:57] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/148 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:00] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:01] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/148 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/148 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:05] [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
[2025-06-04 11:06:05] [INFO ] Deduced a trap along path composed of 7 places in 29 ms of which 0 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/148 variables, 2/212 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/148 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:09] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:10] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 3 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/148 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/148 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:14] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:14] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 2 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/148 variables, 2/216 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:16] [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
[2025-06-04 11:06:16] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 3 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/148 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/148 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 148/148 variables, and 218 constraints, problems are : Problem set: 0 solved, 78 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 34351ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 34352ms
Starting structural reductions in LTL mode, iteration 1 : 69/75 places, 79/85 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34453 ms. Remains : 69/75 places, 79/85 transitions.
Stuttering acceptance computed with spot in 303 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (AND p1 (NOT p2)), p1]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-07
Stuttering criterion allowed to conclude after 26251 steps with 1357 reset in 29 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002B-LTLFireability-07 finished in 34817 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 U p1))))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 74 transition count 76
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 66 transition count 76
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 16 place count 66 transition count 66
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 36 place count 56 transition count 66
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 42 place count 50 transition count 60
Iterating global reduction 2 with 6 rules applied. Total rules applied 48 place count 50 transition count 60
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 48 place count 50 transition count 57
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 54 place count 47 transition count 57
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 84 place count 32 transition count 42
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 86 place count 30 transition count 40
Applied a total of 86 rules in 18 ms. Remains 30 /75 variables (removed 45) and now considering 40/85 (removed 45) transitions.
// Phase 1: matrix 40 rows 30 cols
[2025-06-04 11:06:22] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:22] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-04 11:06:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:22] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:06:22] [INFO ] Redundant transitions in 17 ms returned [39]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 38 sub problems to find dead transitions.
// Phase 1: matrix 39 rows 30 cols
[2025-06-04 11:06:22] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:22] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:22] [INFO ] Deduced a trap 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
[2025-06-04 11:06:22] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:22] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:22] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/29 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:22] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 1/30 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:22] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 8 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 8/23 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 39/69 variables, 30/59 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:23] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 6/65 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:24] [INFO ] Deduced a trap along path composed of 6 places in 20 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:24] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/69 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/69 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:24] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/69 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/69 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 15 (OVERLAPS) 0/69 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 68 constraints, problems are : Problem set: 0 solved, 38 unsolved in 2294 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/29 variables, 14/22 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 1/30 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 14/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 39/69 variables, 30/67 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 38/105 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:25] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 11 (OVERLAPS) 0/69 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 107 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1177 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3479ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 3480ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/75 places, 39/85 transitions.
Applied a total of 0 rules in 4 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3592 ms. Remains : 30/75 places, 39/85 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-08
Stuttering criterion allowed to conclude after 74 steps with 1 reset in 1 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002B-LTLFireability-08 finished in 3702 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 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 74 transition count 77
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 67 transition count 77
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 14 place count 67 transition count 66
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 36 place count 56 transition count 66
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 42 place count 50 transition count 60
Iterating global reduction 2 with 6 rules applied. Total rules applied 48 place count 50 transition count 60
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 48 place count 50 transition count 58
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 52 place count 48 transition count 58
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 82 place count 33 transition count 43
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 84 place count 31 transition count 41
Applied a total of 84 rules in 14 ms. Remains 31 /75 variables (removed 44) and now considering 41/85 (removed 44) transitions.
// Phase 1: matrix 41 rows 31 cols
[2025-06-04 11:06:26] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:26] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 11:06:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:26] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:06:26] [INFO ] Redundant transitions in 18 ms returned [40]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 38 sub problems to find dead transitions.
// Phase 1: matrix 40 rows 31 cols
[2025-06-04 11:06:26] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 1/31 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:26] [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
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/31 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/31 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/31 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 11 (OVERLAPS) 40/71 variables, 31/61 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/71 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/71 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:27] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 2 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/71 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:28] [INFO ] Deduced a trap along path composed of 6 places in 23 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/71 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:28] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/71 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/71 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 18 (OVERLAPS) 0/71 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 65 constraints, problems are : Problem set: 0 solved, 38 unsolved in 2383 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 1/31 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 7/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 40/71 variables, 31/64 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 38/102 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:28] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:28] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/71 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/71 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:29] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/71 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/71 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 13 (OVERLAPS) 0/71 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 106 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1578 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3968ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 3968ms
Starting structural reductions in SI_LTL mode, iteration 1 : 31/75 places, 40/85 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 40/40 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4080 ms. Remains : 31/75 places, 40/85 transitions.
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-09
Product exploration explored 100000 steps with 8295 reset in 100 ms.
Product exploration explored 100000 steps with 8283 reset in 146 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 122 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 200 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 40/40 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 40/40 (removed 0) transitions.
[2025-06-04 11:06:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:31] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-04 11:06:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:31] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:06:31] [INFO ] Redundant transitions in 19 ms returned []
Running 38 sub problems to find dead transitions.
[2025-06-04 11:06:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 1/31 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:31] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/31 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/31 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/31 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 11 (OVERLAPS) 40/71 variables, 31/61 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/71 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/71 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 2 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/71 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:32] [INFO ] Deduced a trap along path composed of 6 places in 24 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/71 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:33] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/71 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/71 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 18 (OVERLAPS) 0/71 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/71 variables, and 65 constraints, problems are : Problem set: 0 solved, 38 unsolved in 2318 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 1/31 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 7/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 40/71 variables, 31/64 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 38/102 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:33] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:33] [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
[2025-06-04 11:06:33] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:33] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/71 variables, 3/106 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/71 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/71 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 12 (OVERLAPS) 0/71 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/71 variables, and 107 constraints, problems are : Problem set: 0 solved, 38 unsolved in 1439 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3766ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 3767ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3868 ms. Remains : 31/31 places, 40/40 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 174 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 201 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 8278 reset in 96 ms.
Product exploration explored 100000 steps with 8090 reset in 101 ms.
Built C files in :
/tmp/ltsmin11462064465484241277
[2025-06-04 11:06:35] [INFO ] Computing symmetric may disable matrix : 40 transitions.
[2025-06-04 11:06:35] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 11:06:35] [INFO ] Computing symmetric may enable matrix : 40 transitions.
[2025-06-04 11:06:35] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 11:06:35] [INFO ] Computing Do-Not-Accords matrix : 40 transitions.
[2025-06-04 11:06:35] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 11:06:35] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11462064465484241277
Running compilation step : cd /tmp/ltsmin11462064465484241277;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 115 ms.
Running link step : cd /tmp/ltsmin11462064465484241277;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 30 ms.
Running LTSmin : cd /tmp/ltsmin11462064465484241277;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased16516059096370955196.hoa' '--buchi-type=spotba'
LTSmin run took 352 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-09 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldRVs-PT-002B-LTLFireability-09 finished in 10283 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(X(p1) U ((p1&&X(p1)&&F(p2))||X(G(p1)))))))'
Support contains 3 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 70 transition count 80
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 70 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 69 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 69 transition count 79
Applied a total of 12 rules in 5 ms. Remains 69 /75 variables (removed 6) and now considering 79/85 (removed 6) transitions.
// Phase 1: matrix 79 rows 69 cols
[2025-06-04 11:06:36] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:36] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-04 11:06:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:06:36] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Running 78 sub problems to find dead transitions.
[2025-06-04 11:06:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:36] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:36] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:36] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:36] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 25 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [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
[2025-06-04 11:06:37] [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
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 21 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [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
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 21 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [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
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [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
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:37] [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
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 25 places in 27 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 10/39 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:38] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (OVERLAPS) 79/148 variables, 69/113 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:39] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:39] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:39] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:39] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:39] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:39] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/148 variables, 4/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (OVERLAPS) 0/148 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 148/148 variables, and 119 constraints, problems are : Problem set: 0 solved, 78 unsolved in 4232 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 41/50 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:40] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:41] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:41] [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
[2025-06-04 11:06:41] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (OVERLAPS) 79/148 variables, 69/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/148 variables, 78/201 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:41] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:41] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:42] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:42] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 4/205 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:42] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/148 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:43] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:46] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/148 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:49] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:50] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 2 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/148 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/148 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:54] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:54] [INFO ] Deduced a trap along path composed of 7 places in 33 ms of which 0 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/148 variables, 2/212 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/148 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:06:58] [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
[2025-06-04 11:06:59] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 2 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/148 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/148 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:03] [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
[2025-06-04 11:07:03] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 2 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/148 variables, 2/216 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:05] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:05] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 3 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/148 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/148 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 148/148 variables, and 218 constraints, problems are : Problem set: 0 solved, 78 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 34254ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 34254ms
Starting structural reductions in LTL mode, iteration 1 : 69/75 places, 79/85 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34353 ms. Remains : 69/75 places, 79/85 transitions.
Stuttering acceptance computed with spot in 314 ms :[true, (NOT p2), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 55 ms.
Product exploration explored 100000 steps with 50000 reset in 61 ms.
Computed a total of 16 stabilizing places and 16 stable transitions
Computed a total of 16 stabilizing places and 16 stable transitions
Detected a total of 16/69 stabilizing places and 16/79 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p2 p1 p0), (X p2), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X p1), (X (X p2)), (X (X (AND p1 p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X p1)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 17 ms. Reduced automaton from 8 states, 14 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVs-PT-002B-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVs-PT-002B-LTLFireability-10 finished in 34829 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 (F(G(p1))||(X(p1)&&p2))))'
Support contains 5 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 70 transition count 80
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 70 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 69 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 69 transition count 79
Applied a total of 12 rules in 4 ms. Remains 69 /75 variables (removed 6) and now considering 79/85 (removed 6) transitions.
// Phase 1: matrix 79 rows 69 cols
[2025-06-04 11:07:11] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:07:11] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-04 11:07:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:07:11] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Running 78 sub problems to find dead transitions.
[2025-06-04 11:07:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:11] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:11] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:11] [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
[2025-06-04 11:07:11] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:11] [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
[2025-06-04 11:07:11] [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
[2025-06-04 11:07:11] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:11] [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
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 17 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:12] [INFO ] Deduced a trap composed of 22 places in 28 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [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
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 8/35 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 26 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:13] [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
[2025-06-04 11:07:13] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:14] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (OVERLAPS) 79/148 variables, 69/112 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:14] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:15] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/148 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:15] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:15] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:15] [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
[2025-06-04 11:07:15] [INFO ] Deduced a trap composed of 22 places in 28 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 4/118 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:15] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/148 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:16] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:16] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/148 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:16] [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
[2025-06-04 11:07:16] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/148 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/148 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 18 (OVERLAPS) 0/148 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 148/148 variables, and 123 constraints, problems are : Problem set: 0 solved, 78 unsolved in 6614 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 44/53 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:18] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:18] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:18] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:18] [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
[2025-06-04 11:07:18] [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
[2025-06-04 11:07:18] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 3/59 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:18] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:18] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:19] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:19] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:19] [INFO ] Deduced a trap composed of 22 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:19] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:19] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:19] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 7/67 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (OVERLAPS) 79/148 variables, 69/136 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 78/214 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:20] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:20] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:20] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/148 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:21] [INFO ] Deduced a trap composed of 23 places in 57 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:23] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/148 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:24] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:24] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/148 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:26] [INFO ] Deduced a trap along path composed of 11 places in 29 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/148 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/148 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:31] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 3 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/148 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:33] [INFO ] Deduced a trap composed of 27 places in 45 ms of which 2 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/148 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:35] [INFO ] Deduced a trap along path composed of 8 places in 30 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/148 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:37] [INFO ] Deduced a trap composed of 23 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:38] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 7 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/148 variables, 2/228 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:39] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:39] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:39] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 3 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/148 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:42] [INFO ] Deduced a trap along path composed of 8 places in 19 ms of which 0 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/148 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:45] [INFO ] Deduced a trap along path composed of 9 places in 32 ms of which 0 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/148 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 148/148 variables, and 233 constraints, problems are : Problem set: 0 solved, 78 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 71/71 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 36642ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 36642ms
Starting structural reductions in LTL mode, iteration 1 : 69/75 places, 79/85 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36744 ms. Remains : 69/75 places, 79/85 transitions.
Stuttering acceptance computed with spot in 160 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0) p2), (NOT p1)]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-11
Stuttering criterion allowed to conclude after 141 steps with 1 reset in 0 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002B-LTLFireability-11 finished in 36922 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)&&X((p1&&X(F(p2)))))))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 85/85 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 70 transition count 80
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 70 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 69 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 69 transition count 79
Applied a total of 12 rules in 3 ms. Remains 69 /75 variables (removed 6) and now considering 79/85 (removed 6) transitions.
// Phase 1: matrix 79 rows 69 cols
[2025-06-04 11:07:48] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:07:48] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-04 11:07:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:07:48] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
Running 78 sub problems to find dead transitions.
[2025-06-04 11:07:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:48] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:48] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:48] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 25 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [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
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [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
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [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
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:49] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 22 places in 31 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 24 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 23 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [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
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [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
[2025-06-04 11:07:50] [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
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 22 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:50] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:51] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:51] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:51] [INFO ] Deduced a trap composed of 29 places in 34 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:51] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (OVERLAPS) 79/148 variables, 69/119 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:52] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:52] [INFO ] Deduced a trap composed of 22 places in 29 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:52] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:52] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 4/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:52] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/148 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:52] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:53] [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) 0/148 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:53] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:53] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:53] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/148 variables, 3/129 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/148 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:54] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 1 ms to minimize.
At refinement iteration 17 (OVERLAPS) 0/148 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/148 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 19 (OVERLAPS) 0/148 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 148/148 variables, and 130 constraints, problems are : Problem set: 0 solved, 78 unsolved in 7685 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 50/50 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 1/69 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 50/59 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 23 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 3/62 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 24 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 7/69 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:56] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:57] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:57] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:57] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:57] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:57] [INFO ] Deduced a trap composed of 22 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:07:57] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 4/76 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (OVERLAPS) 79/148 variables, 69/145 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 78/223 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/148 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:08:00] [INFO ] Deduced a trap along path composed of 7 places in 43 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/148 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:08:02] [INFO ] Deduced a trap composed of 22 places in 59 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/148 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:08:04] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/148 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/148 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 17 (OVERLAPS) 0/148 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Int declared 148/148 variables, and 228 constraints, problems are : Problem set: 0 solved, 78 unsolved in 14343 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 69/69 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 69/69 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 22041ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 22043ms
Starting structural reductions in LTL mode, iteration 1 : 69/75 places, 79/85 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22265 ms. Remains : 69/75 places, 79/85 transitions.
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : ShieldRVs-PT-002B-LTLFireability-13
Entered a terminal (fully accepting) state of product in 36 steps with 1 reset in 1 ms.
FORMULA ShieldRVs-PT-002B-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002B-LTLFireability-13 finished in 22547 ms.
All properties solved by simple procedures.
Total runtime 352542 ms.
BK_STOP 1749035290691
--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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="ShieldRVs-PT-002B"
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 ShieldRVs-PT-002B, 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 r212-tall-174901993500028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-002B.tgz
mv ShieldRVs-PT-002B 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 ;