Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894533500836.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 ShieldPPPt-PT-004B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894533500836
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 176K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 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 74K 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 ShieldPPPt-PT-004B-LTLFireability-00
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-01
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-02
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-03
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-04
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-05
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-06
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-07
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-08
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-09
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-10
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-11
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-12
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-13
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-14
FORMULA_NAME ShieldPPPt-PT-004B-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749299307967

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-004B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 12:28:29] [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]
[2025-06-07 12:28:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 12:28:29] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2025-06-07 12:28:29] [INFO ] Transformed 315 places.
[2025-06-07 12:28:29] [INFO ] Transformed 287 transitions.
[2025-06-07 12:28:29] [INFO ] Found NUPN structural information;
[2025-06-07 12:28:29] [INFO ] Parsed PT model containing 315 places and 287 transitions and 718 arcs in 184 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ShieldPPPt-PT-004B-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-004B-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-004B-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 out of 315 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 315/315 places, 287/287 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 282 transition count 254
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 282 transition count 254
Applied a total of 66 rules in 60 ms. Remains 282 /315 variables (removed 33) and now considering 254/287 (removed 33) transitions.
// Phase 1: matrix 254 rows 282 cols
[2025-06-07 12:28:29] [INFO ] Computed 45 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:28:29] [INFO ] Implicit Places using invariants in 279 ms returned []
[2025-06-07 12:28:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:28:30] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 500 ms to find 0 implicit places.
Running 253 sub problems to find dead transitions.
[2025-06-07 12:28:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/281 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (OVERLAPS) 1/282 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:33] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:33] [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
[2025-06-07 12:28:33] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:33] [INFO ] Deduced a trap composed of 20 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:33] [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
[2025-06-07 12:28:34] [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
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 16 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 20 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [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
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 17 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:34] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:35] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:35] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:35] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/282 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:35] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:35] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:35] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [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
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [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
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:36] [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
[2025-06-07 12:28:36] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:37] [INFO ] Deduced a trap composed of 21 places in 28 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/282 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:38] [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
[2025-06-07 12:28:38] [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
[2025-06-07 12:28:39] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 3/84 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:40] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:40] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 2/86 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/536 variables, 282/368 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:45] [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
[2025-06-07 12:28:45] [INFO ] Deduced a trap composed of 21 places in 24 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 2/370 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:47] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:47] [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
[2025-06-07 12:28:47] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/536 variables, 3/373 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:51] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/536 variables, 1/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:55] [INFO ] Deduced a trap along path composed of 5 places in 37 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:55] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/536 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:28:58] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/536 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 536/536 variables, and 377 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 282/282 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 47/47 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/281 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (OVERLAPS) 1/282 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/282 variables, 47/92 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/282 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (OVERLAPS) 254/536 variables, 282/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/536 variables, 253/627 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:02] [INFO ] Deduced a trap composed of 18 places in 98 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:02] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:03] [INFO ] Deduced a trap composed of 20 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:03] [INFO ] Deduced a trap composed of 19 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:03] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:03] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:04] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:04] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:04] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 9/636 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:05] [INFO ] Deduced a trap composed of 18 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:05] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:06] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:06] [INFO ] Deduced a trap composed of 18 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:06] [INFO ] Deduced a trap composed of 20 places in 77 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:07] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:07] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 7/643 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:08] [INFO ] Deduced a trap composed of 19 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:09] [INFO ] Deduced a trap composed of 23 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:10] [INFO ] Deduced a trap composed of 27 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:10] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 4/647 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:12] [INFO ] Deduced a trap composed of 11 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:12] [INFO ] Deduced a trap composed of 22 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:12] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:13] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:13] [INFO ] Deduced a trap composed of 26 places in 68 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/536 variables, 5/652 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/536 variables, 3/655 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:26] [INFO ] Deduced a trap along path composed of 5 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:26] [INFO ] Deduced a trap along path composed of 5 places in 86 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:26] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:27] [INFO ] Deduced a trap along path composed of 5 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:27] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:28] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:28] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 536/536 variables, and 662 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 282/282 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 72/72 constraints, Known Traps Along Path: 10/10 constraints]
After SMT, in 60113ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60125ms
Starting structural reductions in LTL mode, iteration 1 : 282/315 places, 254/287 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60703 ms. Remains : 282/315 places, 254/287 transitions.
Support contains 38 out of 282 places after structural reductions.
[2025-06-07 12:29:30] [INFO ] Flatten gal took : 71 ms
[2025-06-07 12:29:30] [INFO ] Flatten gal took : 22 ms
[2025-06-07 12:29:30] [INFO ] Input system was already deterministic with 254 transitions.
RANDOM walk for 40000 steps (8 resets) in 964 ms. (41 steps per ms) remains 1/29 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
[2025-06-07 12:29:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp1 is UNSAT
After SMT solving in domain Real declared 18/536 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 1/45 constraints, State Equation: 0/282 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
FORMULA ShieldPPPt-PT-004B-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 67 stabilizing places and 67 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' '!(G((X(X(X(p0)))||(p1&&F(p2)))))'
Support contains 3 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 273 transition count 245
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 273 transition count 245
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 272 transition count 244
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 272 transition count 244
Applied a total of 20 rules in 45 ms. Remains 272 /282 variables (removed 10) and now considering 244/254 (removed 10) transitions.
// Phase 1: matrix 244 rows 272 cols
[2025-06-07 12:29:31] [INFO ] Computed 45 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:29:31] [INFO ] Implicit Places using invariants in 150 ms returned []
[2025-06-07 12:29:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:29:31] [INFO ] Implicit Places using invariants and state equation in 161 ms returned []
Implicit Place search using SMT with State Equation took 313 ms to find 0 implicit places.
Running 243 sub problems to find dead transitions.
[2025-06-07 12:29:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 1 (OVERLAPS) 1/272 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:35] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 16 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 17 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:36] [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
[2025-06-07 12:29:37] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:37] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:37] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:37] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:37] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:37] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:37] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:38] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 5 (OVERLAPS) 244/516 variables, 272/346 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:44] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:45] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:45] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:45] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:45] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/516 variables, 5/351 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/516 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 8 (OVERLAPS) 0/516 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 243 unsolved
No progress, stopping.
After SMT solving in domain Real declared 516/516 variables, and 351 constraints, problems are : Problem set: 0 solved, 243 unsolved in 19721 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 272/272 constraints, PredecessorRefiner: 243/243 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 1 (OVERLAPS) 1/272 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 29/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 4 (OVERLAPS) 244/516 variables, 272/346 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/516 variables, 243/589 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:53] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:53] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:54] [INFO ] Deduced a trap composed of 18 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:54] [INFO ] Deduced a trap composed of 20 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:54] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:54] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:54] [INFO ] Deduced a trap composed of 17 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:54] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:55] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:56] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:56] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:56] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:56] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/516 variables, 20/609 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:57] [INFO ] Deduced a trap composed of 11 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:58] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:58] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:58] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:58] [INFO ] Deduced a trap composed of 22 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:29:58] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/516 variables, 6/615 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:00] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 1/616 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:01] [INFO ] Deduced a trap composed of 18 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:01] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:02] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/619 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 5/624 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:10] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:10] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:11] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:11] [INFO ] Deduced a trap along path composed of 5 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:11] [INFO ] Deduced a trap along path composed of 7 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:12] [INFO ] Deduced a trap along path composed of 7 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:13] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:14] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:15] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:15] [INFO ] Deduced a trap along path composed of 6 places in 18 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 10/634 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 516/516 variables, and 634 constraints, problems are : Problem set: 0 solved, 243 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 272/272 constraints, PredecessorRefiner: 243/243 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 15/15 constraints]
After SMT, in 49799ms problems are : Problem set: 0 solved, 243 unsolved
Search for dead transitions found 0 dead transitions in 49800ms
Starting structural reductions in LTL mode, iteration 1 : 272/282 places, 244/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 50161 ms. Remains : 272/282 places, 244/254 transitions.
Stuttering acceptance computed with spot in 396 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-01
Product exploration explored 100000 steps with 19983 reset in 246 ms.
Product exploration explored 100000 steps with 19914 reset in 165 ms.
Computed a total of 63 stabilizing places and 63 stable transitions
Computed a total of 63 stabilizing places and 63 stable transitions
Detected a total of 63/272 stabilizing places and 63/244 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (X (NOT p2))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 115 ms. Reduced automaton from 9 states, 11 edges and 3 AP (stutter sensitive) to 9 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 286 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
RANDOM walk for 1745 steps (0 resets) in 26 ms. (64 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (X (NOT p2))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p2 (NOT p1)))), (F p2), (F p1), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 4 factoid took 291 ms. Reduced automaton from 9 states, 11 edges and 3 AP (stutter sensitive) to 9 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 306 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Stuttering acceptance computed with spot in 281 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Support contains 3 out of 272 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 272/272 places, 244/244 transitions.
Applied a total of 0 rules in 5 ms. Remains 272 /272 variables (removed 0) and now considering 244/244 (removed 0) transitions.
[2025-06-07 12:30:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:30:24] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-06-07 12:30:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:30:24] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
Running 243 sub problems to find dead transitions.
[2025-06-07 12:30:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 1 (OVERLAPS) 1/272 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:27] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:27] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:27] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:27] [INFO ] Deduced a trap composed of 19 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:27] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:27] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:27] [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
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 17 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [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
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 21 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:28] [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
[2025-06-07 12:30:28] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:29] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:29] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:29] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:29] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:29] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:29] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:30] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:30] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:30] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:30] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 9/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 5 (OVERLAPS) 244/516 variables, 272/346 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:36] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:36] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:36] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:37] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:37] [INFO ] Deduced a trap along path composed of 5 places in 16 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/516 variables, 5/351 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/516 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 8 (OVERLAPS) 0/516 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 243 unsolved
No progress, stopping.
After SMT solving in domain Real declared 516/516 variables, and 351 constraints, problems are : Problem set: 0 solved, 243 unsolved in 19031 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 272/272 constraints, PredecessorRefiner: 243/243 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 1 (OVERLAPS) 1/272 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 29/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 4 (OVERLAPS) 244/516 variables, 272/346 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/516 variables, 243/589 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:45] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:45] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:45] [INFO ] Deduced a trap composed of 18 places in 91 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:45] [INFO ] Deduced a trap composed of 20 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:46] [INFO ] Deduced a trap composed of 18 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:46] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:46] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:46] [INFO ] Deduced a trap composed of 21 places in 183 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:46] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:46] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:46] [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
[2025-06-07 12:30:47] [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
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:47] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/516 variables, 20/609 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:49] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:49] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:49] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:49] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:49] [INFO ] Deduced a trap composed of 22 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:50] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/516 variables, 6/615 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:51] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 1/616 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:53] [INFO ] Deduced a trap composed of 18 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:53] [INFO ] Deduced a trap composed of 19 places in 66 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:30:54] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/619 constraints. Problems are: Problem set: 0 solved, 243 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 5/624 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:02] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:02] [INFO ] Deduced a trap along path composed of 7 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:03] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:03] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:03] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:04] [INFO ] Deduced a trap along path composed of 7 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:05] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:06] [INFO ] Deduced a trap along path composed of 5 places in 44 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:07] [INFO ] Deduced a trap along path composed of 7 places in 40 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:07] [INFO ] Deduced a trap along path composed of 6 places in 27 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/516 variables, 10/634 constraints. Problems are: Problem set: 0 solved, 243 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 516/516 variables, and 634 constraints, problems are : Problem set: 0 solved, 243 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 272/272 constraints, PredecessorRefiner: 243/243 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 15/15 constraints]
After SMT, in 49085ms problems are : Problem set: 0 solved, 243 unsolved
Search for dead transitions found 0 dead transitions in 49086ms
Finished structural reductions in LTL mode , in 1 iterations and 49392 ms. Remains : 272/272 places, 244/244 transitions.
Computed a total of 63 stabilizing places and 63 stable transitions
Computed a total of 63 stabilizing places and 63 stable transitions
Detected a total of 63/272 stabilizing places and 63/244 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (X (NOT p2))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 111 ms. Reduced automaton from 9 states, 11 edges and 3 AP (stutter sensitive) to 9 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 318 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
RANDOM walk for 3729 steps (0 resets) in 23 ms. (155 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (X (NOT p2))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p2 (NOT p1)))), (F p2), (F p1), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 4 factoid took 336 ms. Reduced automaton from 9 states, 11 edges and 3 AP (stutter sensitive) to 9 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 328 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Stuttering acceptance computed with spot in 315 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Stuttering acceptance computed with spot in 318 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Product exploration explored 100000 steps with 20025 reset in 107 ms.
Product exploration explored 100000 steps with 19988 reset in 94 ms.
Applying partial POR strategy [false, false, false, false, true, true, false, true, true]
Stuttering acceptance computed with spot in 312 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p0), (NOT p0), true, (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Support contains 3 out of 272 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 272/272 places, 244/244 transitions.
Performed 53 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 53 rules applied. Total rules applied 53 place count 272 transition count 244
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 22 Pre rules applied. Total rules applied 53 place count 272 transition count 261
Deduced a syphon composed of 75 places in 1 ms
Iterating global reduction 1 with 22 rules applied. Total rules applied 75 place count 272 transition count 261
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 151 places in 1 ms
Iterating global reduction 1 with 76 rules applied. Total rules applied 151 place count 272 transition count 261
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 152 place count 272 transition count 260
Discarding 27 places :
Symmetric choice reduction at 2 with 27 rule applications. Total rules 179 place count 245 transition count 233
Deduced a syphon composed of 124 places in 0 ms
Iterating global reduction 2 with 27 rules applied. Total rules applied 206 place count 245 transition count 233
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 125 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 207 place count 245 transition count 233
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 209 place count 243 transition count 231
Deduced a syphon composed of 123 places in 4 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 211 place count 243 transition count 231
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -60
Deduced a syphon composed of 138 places in 0 ms
Iterating global reduction 2 with 15 rules applied. Total rules applied 226 place count 243 transition count 291
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 243 place count 226 transition count 257
Deduced a syphon composed of 121 places in 0 ms
Iterating global reduction 2 with 17 rules applied. Total rules applied 260 place count 226 transition count 257
Deduced a syphon composed of 121 places in 0 ms
Applied a total of 260 rules in 126 ms. Remains 226 /272 variables (removed 46) and now considering 257/244 (removed -13) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:31:15] [INFO ] Redundant transitions in 11 ms returned []
Running 256 sub problems to find dead transitions.
// Phase 1: matrix 257 rows 226 cols
[2025-06-07 12:31:15] [INFO ] Computed 45 invariants in 4 ms
[2025-06-07 12:31:16] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (OVERLAPS) 1/226 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD2 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 2 ms to minimize.
Problem TDEAD16 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 2 ms to minimize.
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 2 ms to minimize.
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 27 ms of which 2 ms to minimize.
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 2 ms to minimize.
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD233 is UNSAT
Problem TDEAD234 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD238 is UNSAT
Problem TDEAD239 is UNSAT
Problem TDEAD240 is UNSAT
Problem TDEAD241 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD247 is UNSAT
Problem TDEAD248 is UNSAT
Problem TDEAD249 is UNSAT
Problem TDEAD250 is UNSAT
Problem TDEAD251 is UNSAT
Problem TDEAD252 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 20/65 constraints. Problems are: Problem set: 110 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 2 ms to minimize.
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 2 ms to minimize.
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Problem TDEAD38 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 1 ms to minimize.
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 2 ms to minimize.
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 4 ms to minimize.
Problem TDEAD44 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:19] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Problem TDEAD47 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 2 ms to minimize.
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Problem TDEAD52 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 2 ms to minimize.
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 2 ms to minimize.
Problem TDEAD56 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem TDEAD87 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 2 ms to minimize.
Problem TDEAD88 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:20] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 2 ms to minimize.
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD167 is UNSAT
Problem TDEAD168 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/226 variables, 16/81 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/226 variables, 0/81 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 5 (OVERLAPS) 257/483 variables, 226/307 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 26/333 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 0/333 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 8 (OVERLAPS) 0/483 variables, 0/333 constraints. Problems are: Problem set: 170 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 483/483 variables, and 333 constraints, problems are : Problem set: 170 solved, 86 unsolved in 6974 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 226/226 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 170 solved, 86 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 0/0 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 122/226 variables, 45/45 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 36/81 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/226 variables, 0/81 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 4 (OVERLAPS) 257/483 variables, 226/307 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/483 variables, 26/333 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/483 variables, 86/419 constraints. Problems are: Problem set: 170 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:27] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/483 variables, 1/420 constraints. Problems are: Problem set: 170 solved, 86 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:31] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/483 variables, 1/421 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/483 variables, 0/421 constraints. Problems are: Problem set: 170 solved, 86 unsolved
At refinement iteration 10 (OVERLAPS) 0/483 variables, 0/421 constraints. Problems are: Problem set: 170 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 483/483 variables, and 421 constraints, problems are : Problem set: 170 solved, 86 unsolved in 21809 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 226/226 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 86/256 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 28821ms problems are : Problem set: 170 solved, 86 unsolved
Search for dead transitions found 170 dead transitions in 28823ms
Found 170 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 170 transitions
Dead transitions reduction (with SMT) removed 170 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 226/272 places, 87/244 transitions.
Graph (complete) has 293 edges and 226 vertex of which 105 are kept as prefixes of interest. Removing 121 places using SCC suffix rule.4 ms
Discarding 121 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 11 ms. Remains 105 /226 variables (removed 121) and now considering 87/87 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 105/272 places, 87/244 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 29000 ms. Remains : 105/272 places, 87/244 transitions.
Built C files in :
/tmp/ltsmin3391243322635733464
[2025-06-07 12:31:44] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3391243322635733464
Running compilation step : cd /tmp/ltsmin3391243322635733464;'/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 588 ms.
Running link step : cd /tmp/ltsmin3391243322635733464;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin3391243322635733464;'/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/stateBased11508481234302002569.hoa' '--buchi-type=spotba'
LTSmin run took 2036 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPt-PT-004B-LTLFireability-01 finished in 136002 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X((X(p1)&&p0)))) U G(p2))))'
Support contains 5 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 270 transition count 242
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 270 transition count 242
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 269 transition count 241
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 269 transition count 241
Applied a total of 26 rules in 19 ms. Remains 269 /282 variables (removed 13) and now considering 241/254 (removed 13) transitions.
// Phase 1: matrix 241 rows 269 cols
[2025-06-07 12:31:47] [INFO ] Computed 45 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:31:47] [INFO ] Implicit Places using invariants in 85 ms returned []
[2025-06-07 12:31:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:31:47] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
Running 240 sub problems to find dead transitions.
[2025-06-07 12:31:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:50] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:50] [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
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [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
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 16 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 16 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [INFO ] Deduced a trap composed of 17 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:51] [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
[2025-06-07 12:31:52] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:52] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:52] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:52] [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
[2025-06-07 12:31:52] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:53] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:53] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:53] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:53] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/269 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/510 variables, 269/338 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:59] [INFO ] Deduced a trap along path composed of 7 places in 53 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:59] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:31:59] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/510 variables, 3/341 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/510 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:05] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:05] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/510 variables, 2/343 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/510 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 10 (OVERLAPS) 0/510 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 510/510 variables, and 343 constraints, problems are : Problem set: 0 solved, 240 unsolved in 25241 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 269/269 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 26/71 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:13] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/269 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/510 variables, 269/341 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/510 variables, 240/581 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:16] [INFO ] Deduced a trap composed of 17 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:16] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:16] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:16] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:16] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:16] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:16] [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
[2025-06-07 12:32:17] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:17] [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
[2025-06-07 12:32:17] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:17] [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
[2025-06-07 12:32:17] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:17] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:17] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:17] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:18] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:18] [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
[2025-06-07 12:32:18] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/510 variables, 18/599 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:19] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:20] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:20] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:20] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:20] [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
[2025-06-07 12:32:21] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/510 variables, 6/605 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:22] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:23] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:23] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/510 variables, 3/608 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:25] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:25] [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
[2025-06-07 12:32:25] [INFO ] Deduced a trap composed of 20 places in 22 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/510 variables, 3/611 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/510 variables, 3/614 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:35] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:35] [INFO ] Deduced a trap along path composed of 9 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:35] [INFO ] Deduced a trap along path composed of 4 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:35] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:35] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:35] [INFO ] Deduced a trap along path composed of 5 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:36] [INFO ] Deduced a trap along path composed of 5 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:36] [INFO ] Deduced a trap along path composed of 7 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:38] [INFO ] Deduced a trap along path composed of 7 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:38] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:38] [INFO ] Deduced a trap along path composed of 6 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:38] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:39] [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
[2025-06-07 12:32:39] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:39] [INFO ] Deduced a trap along path composed of 9 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:39] [INFO ] Deduced a trap along path composed of 6 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:39] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:40] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:40] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:40] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/510 variables, 20/634 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 510/510 variables, and 634 constraints, problems are : Problem set: 0 solved, 240 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 269/269 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 23/23 constraints]
After SMT, in 55280ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 55281ms
Starting structural reductions in LTL mode, iteration 1 : 269/282 places, 241/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 55559 ms. Remains : 269/282 places, 241/254 transitions.
Stuttering acceptance computed with spot in 489 ms :[(NOT p2), (NOT p2), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) p0), (AND (NOT p2) p0 (NOT p1))]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-02
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-004B-LTLFireability-02 finished in 56072 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||X(X(F((p1&&(p2||X(X(p2)))))))))))'
Support contains 2 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 272 transition count 244
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 272 transition count 244
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 271 transition count 243
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 271 transition count 243
Applied a total of 22 rules in 10 ms. Remains 271 /282 variables (removed 11) and now considering 243/254 (removed 11) transitions.
// Phase 1: matrix 243 rows 271 cols
[2025-06-07 12:32:43] [INFO ] Computed 45 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:32:43] [INFO ] Implicit Places using invariants in 89 ms returned []
[2025-06-07 12:32:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:32:44] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 351 ms to find 0 implicit places.
Running 242 sub problems to find dead transitions.
[2025-06-07 12:32:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:46] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [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
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:47] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:48] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:48] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:48] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:48] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:48] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:48] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:48] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:49] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:49] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:49] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:49] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:51] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 6 (OVERLAPS) 243/514 variables, 271/341 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:56] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:56] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 2/343 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:59] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:59] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:59] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:32:59] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/514 variables, 4/347 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:03] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/514 variables, 1/348 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/514 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 11 (OVERLAPS) 0/514 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 242 unsolved
No progress, stopping.
After SMT solving in domain Real declared 514/514 variables, and 348 constraints, problems are : Problem set: 0 solved, 242 unsolved in 25468 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:09] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (OVERLAPS) 243/514 variables, 271/344 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 242/586 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:12] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:12] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:13] [INFO ] Deduced a trap composed of 18 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:13] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:13] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:13] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:13] [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
[2025-06-07 12:33:14] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:14] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:14] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:14] [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
[2025-06-07 12:33:14] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:14] [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
[2025-06-07 12:33:14] [INFO ] Deduced a trap composed of 20 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:14] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:14] [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
[2025-06-07 12:33:14] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:15] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:15] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:15] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 20/606 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:16] [INFO ] Deduced a trap composed of 18 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:16] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:16] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:17] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:17] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:17] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:17] [INFO ] Deduced a trap composed of 21 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/514 variables, 7/613 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:18] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:19] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/514 variables, 2/615 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/514 variables, 5/620 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:25] [INFO ] Deduced a trap along path composed of 6 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:25] [INFO ] Deduced a trap along path composed of 6 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:25] [INFO ] Deduced a trap along path composed of 4 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:26] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:26] [INFO ] Deduced a trap along path composed of 7 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:27] [INFO ] Deduced a trap along path composed of 5 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:27] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:27] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:27] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:27] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:29] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:29] [INFO ] Deduced a trap along path composed of 6 places in 23 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 12/632 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:38] [INFO ] Deduced a trap along path composed of 6 places in 36 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 514/514 variables, and 633 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 18/18 constraints]
After SMT, in 55520ms problems are : Problem set: 0 solved, 242 unsolved
Search for dead transitions found 0 dead transitions in 55520ms
Starting structural reductions in LTL mode, iteration 1 : 271/282 places, 243/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 55883 ms. Remains : 271/282 places, 243/254 transitions.
Stuttering acceptance computed with spot in 245 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-03
Product exploration explored 100000 steps with 1206 reset in 175 ms.
Product exploration explored 100000 steps with 1212 reset in 225 ms.
Computed a total of 63 stabilizing places and 63 stable transitions
Computed a total of 63 stabilizing places and 63 stable transitions
Detected a total of 63/271 stabilizing places and 63/243 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0) p2), (X p2), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p2) p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p1 (NOT p2) (NOT p0)))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 19 factoid took 196 ms. Reduced automaton from 5 states, 19 edges and 3 AP (stutter sensitive) to 9 states, 36 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 435 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, (AND (NOT p0) p1 (NOT p2)), false, false]
RANDOM walk for 40000 steps (8 resets) in 233 ms. (170 steps per ms) remains 3/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 166 ms. (239 steps per ms) remains 3/3 properties
[2025-06-07 12:33:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf2 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 30/32 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 239/271 variables, 43/45 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 243/514 variables, 271/316 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 0/316 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/514 variables, 0/316 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 514/514 variables, and 316 constraints, problems are : Problem set: 1 solved, 2 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem apf7 is UNSAT
Problem apf10 is UNSAT
After SMT solving in domain Int declared 32/514 variables, and 2 constraints, problems are : Problem set: 3 solved, 0 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 2/45 constraints, State Equation: 0/271 constraints, PredecessorRefiner: 0/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 184ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0) p2), (X p2), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p2) p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p1 (NOT p2) (NOT p0)))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (G (OR (NOT p2) (NOT p0) p1)), (G (OR p2 p0 (NOT p1))), (G (OR p2 p0 p1))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1))), (F (NOT (OR p2 (NOT p0) p1))), (F p0), (F (NOT (OR p0 p1))), (F (NOT p2)), (F (NOT (OR p2 (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p2) p0 p1))), (F (NOT p1))]
Knowledge based reduction with 22 factoid took 672 ms. Reduced automaton from 9 states, 36 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 187 ms :[(AND p2 (NOT p1)), (AND p2 (NOT p1)), false, false]
Stuttering acceptance computed with spot in 151 ms :[(AND p2 (NOT p1)), (AND p2 (NOT p1)), false, false]
Support contains 2 out of 271 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 271/271 places, 243/243 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 54 transitions
Trivial Post-agglo rules discarded 54 transitions
Performed 54 trivial Post agglomeration. Transition count delta: 54
Iterating post reduction 0 with 54 rules applied. Total rules applied 54 place count 270 transition count 188
Reduce places removed 54 places and 0 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 108 place count 216 transition count 188
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 32 Pre rules applied. Total rules applied 108 place count 216 transition count 156
Deduced a syphon composed of 32 places in 0 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 2 with 64 rules applied. Total rules applied 172 place count 184 transition count 156
Performed 67 Post agglomeration using F-continuation condition.Transition count delta: 67
Deduced a syphon composed of 67 places in 0 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 306 place count 117 transition count 89
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 307 place count 117 transition count 88
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 309 place count 116 transition count 87
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 331 place count 105 transition count 87
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 333 place count 103 transition count 85
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 334 place count 102 transition count 85
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 334 place count 102 transition count 83
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 338 place count 100 transition count 83
Applied a total of 338 rules in 41 ms. Remains 100 /271 variables (removed 171) and now considering 83/243 (removed 160) transitions.
// Phase 1: matrix 83 rows 100 cols
[2025-06-07 12:33:42] [INFO ] Computed 44 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:33:42] [INFO ] Implicit Places using invariants in 57 ms returned [82, 86]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 58 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 98/271 places, 83/243 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 96 transition count 81
Applied a total of 4 rules in 4 ms. Remains 96 /98 variables (removed 2) and now considering 81/83 (removed 2) transitions.
// Phase 1: matrix 81 rows 96 cols
[2025-06-07 12:33:42] [INFO ] Computed 42 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:33:42] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-07 12:33:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:33:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-07 12:33:42] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 147 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 96/271 places, 81/243 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 251 ms. Remains : 96/271 places, 81/243 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 2/96 stabilizing places and 2/81 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p2 p1), (X (NOT (AND (NOT p2) (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p2 (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) p1))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 3 factoid took 631 ms. Reduced automaton from 4 states, 11 edges and 2 AP (stutter insensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 173 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), false, false]
RANDOM walk for 26676 steps (6 resets) in 86 ms. (306 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND p2 p1), (X (NOT (AND (NOT p2) (NOT p1)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p2 (NOT p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p2) p1))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT (OR (NOT p1) p2))), (F (NOT p2)), (F (NOT (OR p1 p2))), (F (NOT (OR p1 (NOT p2))))]
Knowledge based reduction with 3 factoid took 757 ms. Reduced automaton from 4 states, 11 edges and 2 AP (stutter insensitive) to 4 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), false, false]
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), false, false]
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), false, false]
Product exploration explored 100000 steps with 7332 reset in 238 ms.
Product exploration explored 100000 steps with 7299 reset in 223 ms.
Built C files in :
/tmp/ltsmin331612872796433220
[2025-06-07 12:33:45] [INFO ] Computing symmetric may disable matrix : 81 transitions.
[2025-06-07 12:33:45] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 12:33:45] [INFO ] Computing symmetric may enable matrix : 81 transitions.
[2025-06-07 12:33:45] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 12:33:45] [INFO ] Computing Do-Not-Accords matrix : 81 transitions.
[2025-06-07 12:33:45] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 12:33:45] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin331612872796433220
Running compilation step : cd /tmp/ltsmin331612872796433220;'/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 194 ms.
Running link step : cd /tmp/ltsmin331612872796433220;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin331612872796433220;'/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/stateBased6839793816663963225.hoa' '--buchi-type=spotba'
LTSmin run took 94 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPt-PT-004B-LTLFireability-03 finished in 61855 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (G(p1) U G(p0)))))'
Support contains 2 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 271 transition count 243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 271 transition count 243
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 270 transition count 242
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 270 transition count 242
Applied a total of 24 rules in 14 ms. Remains 270 /282 variables (removed 12) and now considering 242/254 (removed 12) transitions.
// Phase 1: matrix 242 rows 270 cols
[2025-06-07 12:33:45] [INFO ] Computed 45 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:33:45] [INFO ] Implicit Places using invariants in 89 ms returned []
[2025-06-07 12:33:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:33:45] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2025-06-07 12:33:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:48] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:48] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:48] [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
[2025-06-07 12:33:48] [INFO ] Deduced a trap composed of 19 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:48] [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
[2025-06-07 12:33:49] [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
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [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
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 16 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 17 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:49] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:50] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:50] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:50] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:50] [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
[2025-06-07 12:33:51] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:51] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:51] [INFO ] Deduced a trap composed of 15 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:51] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:51] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 6/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/341 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:56] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:57] [INFO ] Deduced a trap along path composed of 7 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:57] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:57] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:33:57] [INFO ] Deduced a trap along path composed of 7 places in 19 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 5/346 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/512 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 512/512 variables, and 346 constraints, problems are : Problem set: 0 solved, 241 unsolved in 19971 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 26/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (OVERLAPS) 242/512 variables, 270/341 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/512 variables, 241/582 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:07] [INFO ] Deduced a trap composed of 18 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:07] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 18 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 19 places in 71 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 20 places in 76 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:08] [INFO ] Deduced a trap composed of 20 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 20 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:09] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:10] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:10] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 20/602 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:10] [INFO ] Deduced a trap composed of 19 places in 100 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:11] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:11] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:11] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:12] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:12] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:12] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:12] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:12] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 9/611 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:14] [INFO ] Deduced a trap composed of 11 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:15] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 2/613 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:18] [INFO ] Deduced a trap composed of 19 places in 66 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 1/614 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 5/619 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:29] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 1/620 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 620 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 50005ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 50006ms
Starting structural reductions in LTL mode, iteration 1 : 270/282 places, 242/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 50284 ms. Remains : 270/282 places, 242/254 transitions.
Stuttering acceptance computed with spot in 201 ms :[(NOT p0), (NOT p0), true, (AND p0 (NOT p1)), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-004B-LTLFireability-04 finished in 50504 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((X(p0)||(!p0&&G(p1)))) U (p2||G(!p0))))'
Support contains 3 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 271 transition count 243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 271 transition count 243
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 270 transition count 242
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 270 transition count 242
Applied a total of 24 rules in 15 ms. Remains 270 /282 variables (removed 12) and now considering 242/254 (removed 12) transitions.
// Phase 1: matrix 242 rows 270 cols
[2025-06-07 12:34:36] [INFO ] Computed 45 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:36] [INFO ] Implicit Places using invariants in 101 ms returned []
[2025-06-07 12:34:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:34:36] [INFO ] Implicit Places using invariants and state equation in 157 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2025-06-07 12:34:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:39] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:39] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:39] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:39] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:39] [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
[2025-06-07 12:34:39] [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
[2025-06-07 12:34:39] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:39] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 18 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:40] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:41] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:41] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:41] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:42] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:42] [INFO ] Deduced a trap composed of 23 places in 47 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/339 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:46] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:51] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:51] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:52] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 3/343 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:57] [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
[2025-06-07 12:34:57] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:34:58] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/512 variables, 3/346 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:01] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 1/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:05] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/512 variables, and 348 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:06] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/343 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 241/584 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:09] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:09] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:09] [INFO ] Deduced a trap composed of 18 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:09] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:10] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:10] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:10] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:10] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:10] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:10] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [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
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 26 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [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
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:11] [INFO ] Deduced a trap composed of 30 places in 42 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 20/604 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:12] [INFO ] Deduced a trap composed of 18 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:12] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:13] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:13] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:13] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:13] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 6/610 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:15] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:15] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:15] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:16] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 4/614 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 6/620 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:23] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 1/621 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:34] [INFO ] Deduced a trap along path composed of 6 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:35] [INFO ] Deduced a trap along path composed of 5 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:36] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 624 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 60049ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 60049ms
Starting structural reductions in LTL mode, iteration 1 : 270/282 places, 242/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60334 ms. Remains : 270/282 places, 242/254 transitions.
Stuttering acceptance computed with spot in 341 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-07
Product exploration explored 100000 steps with 25014 reset in 118 ms.
Product exploration explored 100000 steps with 25018 reset in 128 ms.
Computed a total of 62 stabilizing places and 62 stable transitions
Computed a total of 62 stabilizing places and 62 stable transitions
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (AND (NOT p2) p0)), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (OR p0 (NOT p1))), (X p1), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p2))), (X (X (AND (NOT p2) p0))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (OR p0 (NOT p1)))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 131 ms. Reduced automaton from 11 states, 24 edges and 3 AP (stutter sensitive) to 11 states, 24 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 427 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
Reduction of identical properties reduced properties to check from 10 to 9
RANDOM walk for 5731 steps (0 resets) in 41 ms. (136 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (AND (NOT p2) p0)), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (OR p0 (NOT p1))), (X p1), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p2))), (X (X (AND (NOT p2) p0))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (OR p0 (NOT p1)))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (NOT (AND p0 (NOT p2)))), (F (NOT (OR (NOT p0) p1))), (F (NOT p0)), (F (NOT (OR p0 p1))), (F p2), (F (NOT (OR p0 p2))), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 17 factoid took 486 ms. Reduced automaton from 11 states, 24 edges and 3 AP (stutter sensitive) to 11 states, 24 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 418 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
Stuttering acceptance computed with spot in 447 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
[2025-06-07 12:35:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 12:35:39] [INFO ] [Real]Absence check using 45 positive place invariants in 16 ms returned sat
[2025-06-07 12:35:39] [INFO ] [Real]Absence check using state equation in 214 ms returned sat
[2025-06-07 12:35:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 12:35:39] [INFO ] [Nat]Absence check using 45 positive place invariants in 17 ms returned sat
[2025-06-07 12:35:39] [INFO ] [Nat]Absence check using state equation in 269 ms returned sat
[2025-06-07 12:35:39] [INFO ] Computed and/alt/rep : 241/359/241 causal constraints (skipped 0 transitions) in 13 ms.
[2025-06-07 12:35:41] [INFO ] Added : 236 causal constraints over 48 iterations in 1422 ms. Result :sat
Could not prove EG (AND p0 (NOT p2))
Support contains 3 out of 270 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 270/270 places, 242/242 transitions.
Applied a total of 0 rules in 6 ms. Remains 270 /270 variables (removed 0) and now considering 242/242 (removed 0) transitions.
[2025-06-07 12:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:35:41] [INFO ] Implicit Places using invariants in 86 ms returned []
[2025-06-07 12:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:35:41] [INFO ] Implicit Places using invariants and state equation in 161 ms returned []
Implicit Place search using SMT with State Equation took 249 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2025-06-07 12:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [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
[2025-06-07 12:35:44] [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
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 16 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:44] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [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
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:45] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:46] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:46] [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
[2025-06-07 12:35:46] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:46] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/339 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:50] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:56] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:56] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:35:56] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 3/343 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:01] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:02] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:02] [INFO ] Deduced a trap along path composed of 5 places in 19 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/512 variables, 3/346 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:05] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 1/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:10] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 3 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 12 (OVERLAPS) 0/512 variables, 1/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/512 variables, and 348 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:11] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/343 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 241/584 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:14] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:14] [INFO ] Deduced a trap composed of 17 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:14] [INFO ] Deduced a trap composed of 18 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:15] [INFO ] Deduced a trap composed of 18 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:15] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:15] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:15] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:15] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:15] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:16] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:16] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:16] [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
[2025-06-07 12:36:16] [INFO ] Deduced a trap composed of 26 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:16] [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
[2025-06-07 12:36:16] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:16] [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
[2025-06-07 12:36:16] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:16] [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
[2025-06-07 12:36:16] [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
[2025-06-07 12:36:16] [INFO ] Deduced a trap composed of 30 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 20/604 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:17] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:17] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:18] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:18] [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
[2025-06-07 12:36:18] [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
[2025-06-07 12:36:18] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 6/610 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:20] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:20] [INFO ] Deduced a trap composed of 19 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:20] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:21] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 4/614 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 6/620 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:28] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 1/621 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:39] [INFO ] Deduced a trap along path composed of 6 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:40] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:41] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 624 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 60041ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 60042ms
Finished structural reductions in LTL mode , in 1 iterations and 60300 ms. Remains : 270/270 places, 242/242 transitions.
Computed a total of 62 stabilizing places and 62 stable transitions
Computed a total of 62 stabilizing places and 62 stable transitions
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (OR p0 (NOT p1))), (X p1), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (OR p0 (NOT p1)))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 204 ms. Reduced automaton from 11 states, 24 edges and 3 AP (stutter sensitive) to 11 states, 24 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 388 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
Reduction of identical properties reduced properties to check from 10 to 9
RANDOM walk for 17312 steps (3 resets) in 61 ms. (279 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (OR p0 (NOT p1))), (X p1), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (OR p0 (NOT p1)))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(F (NOT (AND p0 (NOT p2)))), (F (NOT (OR (NOT p0) p1))), (F (NOT p0)), (F (NOT (OR p0 p1))), (F p2), (F (NOT (OR p0 p2))), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 17 factoid took 474 ms. Reduced automaton from 11 states, 24 edges and 3 AP (stutter sensitive) to 11 states, 24 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 399 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
Stuttering acceptance computed with spot in 418 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
[2025-06-07 12:36:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 12:36:43] [INFO ] [Real]Absence check using 45 positive place invariants in 16 ms returned sat
[2025-06-07 12:36:43] [INFO ] [Real]Absence check using state equation in 224 ms returned sat
[2025-06-07 12:36:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 12:36:43] [INFO ] [Nat]Absence check using 45 positive place invariants in 16 ms returned sat
[2025-06-07 12:36:44] [INFO ] [Nat]Absence check using state equation in 270 ms returned sat
[2025-06-07 12:36:44] [INFO ] Computed and/alt/rep : 241/359/241 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-07 12:36:45] [INFO ] Added : 236 causal constraints over 48 iterations in 1396 ms. Result :sat
Could not prove EG (AND p0 (NOT p2))
Stuttering acceptance computed with spot in 398 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
Product exploration explored 100000 steps with 25114 reset in 120 ms.
Product exploration explored 100000 steps with 25011 reset in 124 ms.
Applying partial POR strategy [false, false, false, true, true, true, true, true, true, true, true]
Stuttering acceptance computed with spot in 392 ms :[(AND p0 (NOT p2)), (AND (NOT p0) (NOT p1)), false, (NOT p0), (AND (NOT p1) (NOT p0)), true, false, false, (NOT p1), p0, (AND (NOT p1) p0)]
Support contains 3 out of 270 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 270/270 places, 242/242 transitions.
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 54 rules applied. Total rules applied 54 place count 270 transition count 242
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 20 Pre rules applied. Total rules applied 54 place count 270 transition count 257
Deduced a syphon composed of 74 places in 0 ms
Iterating global reduction 1 with 20 rules applied. Total rules applied 74 place count 270 transition count 257
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 150 places in 0 ms
Iterating global reduction 1 with 76 rules applied. Total rules applied 150 place count 270 transition count 257
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 151 place count 270 transition count 256
Discarding 30 places :
Symmetric choice reduction at 2 with 30 rule applications. Total rules 181 place count 240 transition count 226
Deduced a syphon composed of 120 places in 0 ms
Iterating global reduction 2 with 30 rules applied. Total rules applied 211 place count 240 transition count 226
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 121 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 212 place count 240 transition count 226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 214 place count 238 transition count 224
Deduced a syphon composed of 119 places in 0 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 216 place count 238 transition count 224
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: -53
Deduced a syphon composed of 132 places in 0 ms
Iterating global reduction 2 with 13 rules applied. Total rules applied 229 place count 238 transition count 277
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 242 place count 225 transition count 251
Deduced a syphon composed of 119 places in 0 ms
Iterating global reduction 2 with 13 rules applied. Total rules applied 255 place count 225 transition count 251
Deduced a syphon composed of 119 places in 0 ms
Applied a total of 255 rules in 47 ms. Remains 225 /270 variables (removed 45) and now considering 251/242 (removed -9) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:36:46] [INFO ] Redundant transitions in 4 ms returned []
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 251 rows 225 cols
[2025-06-07 12:36:46] [INFO ] Computed 45 invariants in 2 ms
[2025-06-07 12:36:46] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/224 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 1/225 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 2 ms to minimize.
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 1 ms to minimize.
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 1 ms to minimize.
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 20 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 2 ms to minimize.
Problem TDEAD9 is UNSAT
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 1 ms to minimize.
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 2 ms to minimize.
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 2 ms to minimize.
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 2 ms to minimize.
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
Problem TDEAD24 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 2 ms to minimize.
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 5 places in 22 ms of which 2 ms to minimize.
Problem TDEAD30 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 1 ms to minimize.
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
Problem TDEAD35 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 4 places in 21 ms of which 2 ms to minimize.
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD233 is UNSAT
Problem TDEAD234 is UNSAT
Problem TDEAD235 is UNSAT
Problem TDEAD236 is UNSAT
Problem TDEAD241 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD243 is UNSAT
Problem TDEAD244 is UNSAT
Problem TDEAD245 is UNSAT
Problem TDEAD246 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 20/65 constraints. Problems are: Problem set: 111 solved, 139 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
Problem TDEAD40 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:49] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 2 ms to minimize.
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
Problem TDEAD46 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
Problem TDEAD49 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 4 places in 19 ms of which 1 ms to minimize.
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 1 ms to minimize.
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem TDEAD54 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 4 places in 21 ms of which 2 ms to minimize.
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
Problem TDEAD58 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Problem TDEAD90 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:36:50] [INFO ] Deduced a trap composed of 2 places in 23 ms of which 2 ms to minimize.
Problem TDEAD91 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD105 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD174 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 13/78 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/78 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 251/476 variables, 225/303 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/476 variables, 24/327 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/476 variables, 0/327 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/476 variables, 0/327 constraints. Problems are: Problem set: 165 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 476/476 variables, and 327 constraints, problems are : Problem set: 165 solved, 85 unsolved in 6400 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 225/225 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 165 solved, 85 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 0/0 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 1 (OVERLAPS) 120/225 variables, 45/45 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 33/78 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/78 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 4 (OVERLAPS) 251/476 variables, 225/303 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/476 variables, 24/327 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/476 variables, 85/412 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/476 variables, 0/412 constraints. Problems are: Problem set: 165 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/476 variables, 0/412 constraints. Problems are: Problem set: 165 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 476/476 variables, and 412 constraints, problems are : Problem set: 165 solved, 85 unsolved in 12025 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 225/225 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 85/250 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18450ms problems are : Problem set: 165 solved, 85 unsolved
Search for dead transitions found 165 dead transitions in 18452ms
Found 165 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 165 transitions
Dead transitions reduction (with SMT) removed 165 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 225/270 places, 86/242 transitions.
Graph (complete) has 288 edges and 225 vertex of which 106 are kept as prefixes of interest. Removing 119 places using SCC suffix rule.2 ms
Discarding 119 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 10 ms. Remains 106 /225 variables (removed 119) and now considering 86/86 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 106/270 places, 86/242 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 18523 ms. Remains : 106/270 places, 86/242 transitions.
Built C files in :
/tmp/ltsmin16759445371661757367
[2025-06-07 12:37:05] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16759445371661757367
Running compilation step : cd /tmp/ltsmin16759445371661757367;'/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 360 ms.
Running link step : cd /tmp/ltsmin16759445371661757367;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin16759445371661757367;'/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/stateBased12088816634310485449.hoa' '--buchi-type=spotba'
LTSmin run took 176 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-07 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPt-PT-004B-LTLFireability-07 finished in 149740 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G(p0)))&&F(p1)))'
Support contains 2 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 271 transition count 243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 271 transition count 243
Applied a total of 22 rules in 10 ms. Remains 271 /282 variables (removed 11) and now considering 243/254 (removed 11) transitions.
// Phase 1: matrix 243 rows 271 cols
[2025-06-07 12:37:05] [INFO ] Computed 45 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:37:05] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-07 12:37:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:37:06] [INFO ] Implicit Places using invariants and state equation in 158 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
Running 242 sub problems to find dead transitions.
[2025-06-07 12:37:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 16 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [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
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 17 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:09] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:10] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:10] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:10] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:10] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:10] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:10] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:10] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:11] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:11] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:11] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:11] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:11] [INFO ] Deduced a trap composed of 21 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:11] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 6/71 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (OVERLAPS) 243/514 variables, 271/342 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:17] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:17] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:17] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:17] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 4/346 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:20] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 1/347 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:22] [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
[2025-06-07 12:37:23] [INFO ] Deduced a trap composed of 20 places in 30 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/514 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/514 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:28] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:28] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:29] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:29] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/514 variables, 4/353 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:32] [INFO ] Deduced a trap along path composed of 7 places in 30 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:34] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:35] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:35] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:35] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 514/514 variables, and 358 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 33/78 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:36] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (OVERLAPS) 243/514 variables, 271/350 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 242/592 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:39] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:39] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:39] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:39] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:40] [INFO ] Deduced a trap composed of 20 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:40] [INFO ] Deduced a trap composed of 20 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:40] [INFO ] Deduced a trap composed of 19 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:40] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:40] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:40] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:41] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:41] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:41] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:41] [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
[2025-06-07 12:37:41] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:41] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:41] [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
[2025-06-07 12:37:41] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 18/610 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:43] [INFO ] Deduced a trap composed of 20 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:44] [INFO ] Deduced a trap composed of 20 places in 66 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/514 variables, 2/612 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:46] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:47] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:48] [INFO ] Deduced a trap composed of 21 places in 69 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/514 variables, 3/615 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/514 variables, 9/624 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:37:57] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 1/625 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 514/514 variables, and 625 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 60048ms problems are : Problem set: 0 solved, 242 unsolved
Search for dead transitions found 0 dead transitions in 60049ms
Starting structural reductions in LTL mode, iteration 1 : 271/282 places, 243/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60307 ms. Remains : 271/282 places, 243/254 transitions.
Stuttering acceptance computed with spot in 201 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), true]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-08
Entered a terminal (fully accepting) state of product in 214 steps with 1 reset in 1 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-004B-LTLFireability-08 finished in 60529 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 282 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 56 rules applied. Total rules applied 56 place count 281 transition count 197
Reduce places removed 56 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 58 rules applied. Total rules applied 114 place count 225 transition count 195
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 115 place count 224 transition count 195
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 27 Pre rules applied. Total rules applied 115 place count 224 transition count 168
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 3 with 54 rules applied. Total rules applied 169 place count 197 transition count 168
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 179 place count 187 transition count 158
Iterating global reduction 3 with 10 rules applied. Total rules applied 189 place count 187 transition count 158
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 189 place count 187 transition count 150
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 205 place count 179 transition count 150
Performed 65 Post agglomeration using F-continuation condition.Transition count delta: 65
Deduced a syphon composed of 65 places in 0 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 3 with 130 rules applied. Total rules applied 335 place count 114 transition count 85
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 355 place count 104 transition count 85
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 357 place count 102 transition count 83
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 358 place count 101 transition count 83
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 358 place count 101 transition count 81
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 362 place count 99 transition count 81
Applied a total of 362 rules in 25 ms. Remains 99 /282 variables (removed 183) and now considering 81/254 (removed 173) transitions.
// Phase 1: matrix 81 rows 99 cols
[2025-06-07 12:38:06] [INFO ] Computed 44 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:38:06] [INFO ] Implicit Places using invariants in 63 ms returned [82, 86]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 64 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 97/282 places, 81/254 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 95 transition count 79
Applied a total of 4 rules in 2 ms. Remains 95 /97 variables (removed 2) and now considering 79/81 (removed 2) transitions.
// Phase 1: matrix 79 rows 95 cols
[2025-06-07 12:38:06] [INFO ] Computed 42 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:38:06] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-07 12:38:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:38:06] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 95/282 places, 79/254 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 228 ms. Remains : 95/282 places, 79/254 transitions.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 183 ms.
Stack based approach found an accepted trace after 27 steps with 0 reset with depth 28 and stack size 28 in 0 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-004B-LTLFireability-09 finished in 454 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 5 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 271 transition count 243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 271 transition count 243
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 270 transition count 242
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 270 transition count 242
Applied a total of 24 rules in 17 ms. Remains 270 /282 variables (removed 12) and now considering 242/254 (removed 12) transitions.
// Phase 1: matrix 242 rows 270 cols
[2025-06-07 12:38:06] [INFO ] Computed 45 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:38:06] [INFO ] Implicit Places using invariants in 103 ms returned []
[2025-06-07 12:38:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:38:07] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 272 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2025-06-07 12:38:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 16 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:10] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:11] [INFO ] Deduced a trap composed of 17 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:11] [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
[2025-06-07 12:38:11] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:11] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:11] [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
[2025-06-07 12:38:11] [INFO ] Deduced a trap composed of 20 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:11] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:12] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:12] [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
[2025-06-07 12:38:12] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:12] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:12] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:12] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 6/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/341 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:16] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:16] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 2/343 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:21] [INFO ] Deduced a trap along path composed of 7 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:22] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:22] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:22] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 4/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:27] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/512 variables, 1/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:34] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:34] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 0 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/512 variables, 2/350 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/512 variables, and 350 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 29/74 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:37] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/345 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 241/586 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:40] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:40] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:40] [INFO ] Deduced a trap composed of 20 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:40] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:40] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:40] [INFO ] Deduced a trap composed of 18 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:41] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:41] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:41] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:41] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:41] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:41] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:41] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:42] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:42] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:42] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:42] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:42] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 18/604 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:44] [INFO ] Deduced a trap composed of 19 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:44] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:44] [INFO ] Deduced a trap composed of 20 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:44] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:44] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 5/609 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:47] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:47] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 2/611 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:50] [INFO ] Deduced a trap composed of 20 places in 67 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 1/612 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:53] [INFO ] Deduced a trap composed of 28 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:38:54] [INFO ] Deduced a trap composed of 28 places in 65 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 2/614 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/512 variables, 6/620 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:04] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 621 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 60041ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 60042ms
Starting structural reductions in LTL mode, iteration 1 : 270/282 places, 242/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60332 ms. Remains : 270/282 places, 242/254 transitions.
Stuttering acceptance computed with spot in 141 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-004B-LTLFireability-10 finished in 60487 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 282 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 57 transitions
Trivial Post-agglo rules discarded 57 transitions
Performed 57 trivial Post agglomeration. Transition count delta: 57
Iterating post reduction 0 with 57 rules applied. Total rules applied 57 place count 281 transition count 196
Reduce places removed 57 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 59 rules applied. Total rules applied 116 place count 224 transition count 194
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 117 place count 223 transition count 194
Performed 28 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 28 Pre rules applied. Total rules applied 117 place count 223 transition count 166
Deduced a syphon composed of 28 places in 0 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 3 with 56 rules applied. Total rules applied 173 place count 195 transition count 166
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 182 place count 186 transition count 157
Iterating global reduction 3 with 9 rules applied. Total rules applied 191 place count 186 transition count 157
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 191 place count 186 transition count 150
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 205 place count 179 transition count 150
Performed 65 Post agglomeration using F-continuation condition.Transition count delta: 65
Deduced a syphon composed of 65 places in 0 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 3 with 130 rules applied. Total rules applied 335 place count 114 transition count 85
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 357 place count 103 transition count 85
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 359 place count 101 transition count 83
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 360 place count 100 transition count 83
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 360 place count 100 transition count 81
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 364 place count 98 transition count 81
Applied a total of 364 rules in 34 ms. Remains 98 /282 variables (removed 184) and now considering 81/254 (removed 173) transitions.
// Phase 1: matrix 81 rows 98 cols
[2025-06-07 12:39:07] [INFO ] Computed 44 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:39:07] [INFO ] Implicit Places using invariants in 67 ms returned [81, 85]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 69 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 96/282 places, 81/254 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 94 transition count 79
Applied a total of 4 rules in 5 ms. Remains 94 /96 variables (removed 2) and now considering 79/81 (removed 2) transitions.
// Phase 1: matrix 79 rows 94 cols
[2025-06-07 12:39:07] [INFO ] Computed 42 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:39:07] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-07 12:39:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:39:07] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 94/282 places, 79/254 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 244 ms. Remains : 94/282 places, 79/254 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-11
Product exploration explored 100000 steps with 1471 reset in 166 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 1 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-004B-LTLFireability-11 finished in 467 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||(p1 U (p1&&G((!p2||X(X(G(p1)))))))))'
Support contains 5 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 271 transition count 243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 271 transition count 243
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 270 transition count 242
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 270 transition count 242
Applied a total of 24 rules in 16 ms. Remains 270 /282 variables (removed 12) and now considering 242/254 (removed 12) transitions.
// Phase 1: matrix 242 rows 270 cols
[2025-06-07 12:39:07] [INFO ] Computed 45 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:39:07] [INFO ] Implicit Places using invariants in 90 ms returned []
[2025-06-07 12:39:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:39:07] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 240 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2025-06-07 12:39:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:10] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:10] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [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
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [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
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 16 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [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
[2025-06-07 12:39:11] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:11] [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
[2025-06-07 12:39:12] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:12] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:12] [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
[2025-06-07 12:39:12] [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
[2025-06-07 12:39:12] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:13] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:13] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:13] [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
[2025-06-07 12:39:13] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/339 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:19] [INFO ] Deduced a trap along path composed of 7 places in 40 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:19] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:19] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 3/342 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:23] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:23] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:23] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:23] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:23] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 5/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:26] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 1/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:33] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/512 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/512 variables, and 349 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 25/70 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:38] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/341 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 241/582 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:41] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:41] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:41] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:41] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:41] [INFO ] Deduced a trap composed of 18 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:41] [INFO ] Deduced a trap composed of 17 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:42] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:43] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:43] [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
[2025-06-07 12:39:43] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:43] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 20/602 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:44] [INFO ] Deduced a trap composed of 17 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:44] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:45] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:45] [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
[2025-06-07 12:39:45] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 5/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:47] [INFO ] Deduced a trap composed of 18 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:47] [INFO ] Deduced a trap composed of 21 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:48] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 3/610 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:49] [INFO ] Deduced a trap composed of 18 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:49] [INFO ] Deduced a trap composed of 18 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:50] [INFO ] Deduced a trap composed of 11 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:39:51] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 4/614 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 9/623 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:03] [INFO ] Deduced a trap along path composed of 6 places in 37 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:04] [INFO ] Deduced a trap along path composed of 7 places in 49 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:04] [INFO ] Deduced a trap along path composed of 8 places in 48 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:05] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:05] [INFO ] Deduced a trap along path composed of 7 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:05] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:05] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:06] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:07] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 632 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 18/18 constraints]
After SMT, in 60041ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 60041ms
Starting structural reductions in LTL mode, iteration 1 : 270/282 places, 242/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60298 ms. Remains : 270/282 places, 242/254 transitions.
Stuttering acceptance computed with spot in 407 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1) p2), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2), (AND (NOT p1) p2), (NOT p1), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 192 ms.
Product exploration explored 100000 steps with 0 reset in 356 ms.
Computed a total of 63 stabilizing places and 63 stable transitions
Computed a total of 63 stabilizing places and 63 stable transitions
Detected a total of 63/270 stabilizing places and 63/242 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (NOT (AND p2 p1 (NOT p0)))), (X (AND (NOT p2) p1 (NOT p0))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) p1))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 131 ms. Reduced automaton from 10 states, 24 edges and 3 AP (stutter sensitive) to 8 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 264 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
RANDOM walk for 40000 steps (8 resets) in 90 ms. (439 steps per ms) remains 1/6 properties
BEST_FIRST walk for 20870 steps (4 resets) in 18 ms. (1098 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (NOT (AND p2 p1 (NOT p0)))), (X (AND (NOT p2) p1 (NOT p0))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) p1))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) (NOT p1)))), (F (NOT p1)), (F (NOT (AND (NOT p2) p1))), (F p2), (F (NOT (OR p2 p1))), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 16 factoid took 394 ms. Reduced automaton from 8 states, 15 edges and 2 AP (stutter sensitive) to 8 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 308 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Stuttering acceptance computed with spot in 280 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Support contains 3 out of 270 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 270/270 places, 242/242 transitions.
Applied a total of 0 rules in 10 ms. Remains 270 /270 variables (removed 0) and now considering 242/242 (removed 0) transitions.
[2025-06-07 12:40:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:40:10] [INFO ] Implicit Places using invariants in 92 ms returned []
[2025-06-07 12:40:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:40:10] [INFO ] Implicit Places using invariants and state equation in 163 ms returned []
Implicit Place search using SMT with State Equation took 255 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2025-06-07 12:40:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:13] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:13] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:13] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:13] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [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
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [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
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [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
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:14] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:15] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:15] [INFO ] Deduced a trap composed of 22 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:15] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:16] [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
[2025-06-07 12:40:16] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:16] [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
[2025-06-07 12:40:16] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/339 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:21] [INFO ] Deduced a trap along path composed of 7 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:22] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:22] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 3/342 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:26] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:26] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:26] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:26] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:26] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 5/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:29] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 1/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:36] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/512 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 1.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 (/ 7.0 8.0))
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 (/ 1.0 8.0))
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 (/ 1.0 12.0))
(s21 (/ 1.0 24.0))
(s22 0.0)
(s23 0.0)
(s24 (/ 1.0 24.0))
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 (/ 1.0 8.0))
(s30 (/ 1.0 24.0))
(s31 (/ 1.0 12.0))
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 (/ 1.0 8.0))
(s36 0.0)
(s37 0.0)
(s38 (/ 1.0 8.0))
(s39 0.0)
(s40 0.0)
(s41 1.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/512 variables, and 349 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 25/70 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:40] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/341 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 241/582 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:43] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:43] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 18 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:44] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:45] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:45] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:45] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:45] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:45] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:45] [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
[2025-06-07 12:40:45] [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
[2025-06-07 12:40:45] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:45] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:46] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 20/602 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:46] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:47] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:47] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:48] [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
[2025-06-07 12:40:48] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 5/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:49] [INFO ] Deduced a trap composed of 18 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:50] [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
[2025-06-07 12:40:50] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 3/610 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:52] [INFO ] Deduced a trap composed of 18 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:52] [INFO ] Deduced a trap composed of 18 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:53] [INFO ] Deduced a trap composed of 11 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:40:53] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 4/614 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 9/623 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:06] [INFO ] Deduced a trap along path composed of 6 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:07] [INFO ] Deduced a trap along path composed of 7 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:07] [INFO ] Deduced a trap along path composed of 8 places in 43 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:07] [INFO ] Deduced a trap along path composed of 5 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:07] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:07] [INFO ] Deduced a trap along path composed of 7 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:07] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:09] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:09] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 632 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 18/18 constraints]
After SMT, in 60041ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 60042ms
Finished structural reductions in LTL mode , in 1 iterations and 60308 ms. Remains : 270/270 places, 242/242 transitions.
Computed a total of 63 stabilizing places and 63 stable transitions
Computed a total of 63 stabilizing places and 63 stable transitions
Detected a total of 63/270 stabilizing places and 63/242 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p2)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) p1))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 124 ms. Reduced automaton from 8 states, 15 edges and 2 AP (stutter sensitive) to 8 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 251 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
RANDOM walk for 40000 steps (8 resets) in 116 ms. (341 steps per ms) remains 1/6 properties
BEST_FIRST walk for 13235 steps (1 resets) in 12 ms. (1018 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p1 (NOT p2)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (AND (NOT p2) p1))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p1 p2))), (F (NOT (OR p1 (NOT p2)))), (F (NOT (AND p1 (NOT p2)))), (F p2), (F (NOT (OR (NOT p1) (NOT p2)))), (F (NOT p1))]
Knowledge based reduction with 8 factoid took 289 ms. Reduced automaton from 8 states, 15 edges and 2 AP (stutter sensitive) to 8 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 220 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Stuttering acceptance computed with spot in 235 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Stuttering acceptance computed with spot in 289 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Product exploration explored 100000 steps with 0 reset in 190 ms.
Product exploration explored 100000 steps with 0 reset in 281 ms.
Applying partial POR strategy [true, true, false, false, false, false, false, false]
Stuttering acceptance computed with spot in 236 ms :[true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Support contains 3 out of 270 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 270/270 places, 242/242 transitions.
Performed 55 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 55 rules applied. Total rules applied 55 place count 270 transition count 242
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 19 Pre rules applied. Total rules applied 55 place count 270 transition count 257
Deduced a syphon composed of 74 places in 0 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 74 place count 270 transition count 257
Performed 77 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 151 places in 0 ms
Iterating global reduction 1 with 77 rules applied. Total rules applied 151 place count 270 transition count 258
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 152 place count 270 transition count 257
Discarding 30 places :
Symmetric choice reduction at 2 with 30 rule applications. Total rules 182 place count 240 transition count 226
Deduced a syphon composed of 121 places in 0 ms
Iterating global reduction 2 with 30 rules applied. Total rules applied 212 place count 240 transition count 226
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 122 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 213 place count 240 transition count 226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 215 place count 238 transition count 224
Deduced a syphon composed of 120 places in 0 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 217 place count 238 transition count 224
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -59
Deduced a syphon composed of 134 places in 0 ms
Iterating global reduction 2 with 14 rules applied. Total rules applied 231 place count 238 transition count 283
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 245 place count 224 transition count 255
Deduced a syphon composed of 120 places in 0 ms
Iterating global reduction 2 with 14 rules applied. Total rules applied 259 place count 224 transition count 255
Deduced a syphon composed of 120 places in 0 ms
Applied a total of 259 rules in 41 ms. Remains 224 /270 variables (removed 46) and now considering 255/242 (removed -13) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:41:13] [INFO ] Redundant transitions in 3 ms returned []
Running 254 sub problems to find dead transitions.
// Phase 1: matrix 255 rows 224 cols
[2025-06-07 12:41:13] [INFO ] Computed 45 invariants in 1 ms
[2025-06-07 12:41:13] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/223 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 254 unsolved
At refinement iteration 1 (OVERLAPS) 1/224 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 254 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:15] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:15] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 1 ms to minimize.
Problem TDEAD2 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:15] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:15] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 2 ms to minimize.
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:15] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:15] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem TDEAD16 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 30 ms of which 2 ms to minimize.
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 2 ms to minimize.
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 3 ms to minimize.
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 1 ms to minimize.
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 5 places in 23 ms of which 1 ms to minimize.
Problem TDEAD31 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD188 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD235 is UNSAT
Problem TDEAD236 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD238 is UNSAT
Problem TDEAD239 is UNSAT
Problem TDEAD240 is UNSAT
Problem TDEAD245 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD247 is UNSAT
Problem TDEAD248 is UNSAT
Problem TDEAD249 is UNSAT
Problem TDEAD250 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 20/65 constraints. Problems are: Problem set: 112 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 30 ms of which 3 ms to minimize.
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 2 ms to minimize.
Problem TDEAD39 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Problem TDEAD45 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Problem TDEAD48 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 2 ms to minimize.
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 1 ms to minimize.
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 2 ms to minimize.
Problem TDEAD53 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 2 ms to minimize.
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:16] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 1 ms to minimize.
Problem TDEAD57 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:17] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:17] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 1 ms to minimize.
Problem TDEAD85 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:17] [INFO ] Deduced a trap composed of 2 places in 37 ms of which 2 ms to minimize.
Problem TDEAD86 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:17] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 1 ms to minimize.
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD166 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/224 variables, 16/81 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/81 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 255/479 variables, 224/305 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 27/332 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/332 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/479 variables, 0/332 constraints. Problems are: Problem set: 169 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 479/479 variables, and 332 constraints, problems are : Problem set: 169 solved, 85 unsolved in 6641 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 224/224 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 254/254 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 169 solved, 85 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 1 (OVERLAPS) 121/224 variables, 45/45 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 36/81 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/224 variables, 0/81 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 4 (OVERLAPS) 255/479 variables, 224/305 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/479 variables, 27/332 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 85/417 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/417 constraints. Problems are: Problem set: 169 solved, 85 unsolved
At refinement iteration 8 (OVERLAPS) 0/479 variables, 0/417 constraints. Problems are: Problem set: 169 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Int declared 479/479 variables, and 417 constraints, problems are : Problem set: 169 solved, 85 unsolved in 12788 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 224/224 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 85/254 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19467ms problems are : Problem set: 169 solved, 85 unsolved
Search for dead transitions found 169 dead transitions in 19468ms
Found 169 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 169 transitions
Dead transitions reduction (with SMT) removed 169 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 224/270 places, 86/242 transitions.
Graph (complete) has 290 edges and 224 vertex of which 104 are kept as prefixes of interest. Removing 120 places using SCC suffix rule.3 ms
Discarding 120 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 104 /224 variables (removed 120) and now considering 86/86 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 104/270 places, 86/242 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 19542 ms. Remains : 104/270 places, 86/242 transitions.
Built C files in :
/tmp/ltsmin3021931024757608371
[2025-06-07 12:41:32] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3021931024757608371
Running compilation step : cd /tmp/ltsmin3021931024757608371;'/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 372 ms.
Running link step : cd /tmp/ltsmin3021931024757608371;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin3021931024757608371;'/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/stateBased3948450542506801885.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 270 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 270/270 places, 242/242 transitions.
Applied a total of 0 rules in 12 ms. Remains 270 /270 variables (removed 0) and now considering 242/242 (removed 0) transitions.
// Phase 1: matrix 242 rows 270 cols
[2025-06-07 12:41:47] [INFO ] Computed 45 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:41:47] [INFO ] Implicit Places using invariants in 104 ms returned []
[2025-06-07 12:41:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:41:47] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2025-06-07 12:41:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:50] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [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
[2025-06-07 12:41:51] [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
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [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
[2025-06-07 12:41:51] [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
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [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
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:51] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:52] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:52] [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
[2025-06-07 12:41:52] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:52] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:52] [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
[2025-06-07 12:41:52] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:53] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:53] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:53] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:53] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/339 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:59] [INFO ] Deduced a trap along path composed of 7 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:59] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:41:59] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 3/342 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:03] [INFO ] Deduced a trap along path composed of 7 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:03] [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
[2025-06-07 12:42:03] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:04] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:04] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 5/347 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:06] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 1/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:13] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/512 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/512 variables, and 349 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 25/70 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:18] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/270 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/512 variables, 270/341 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/512 variables, 241/582 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:21] [INFO ] Deduced a trap composed of 17 places in 109 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:21] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:21] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:21] [INFO ] Deduced a trap composed of 20 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:21] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 17 places in 119 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 20 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 19 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 18 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:22] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:23] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:23] [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
[2025-06-07 12:42:23] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:23] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:23] [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
[2025-06-07 12:42:23] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:23] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 20/602 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:24] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:24] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:25] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:25] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:25] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 5/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:27] [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
[2025-06-07 12:42:27] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:28] [INFO ] Deduced a trap composed of 15 places in 22 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 3/610 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:29] [INFO ] Deduced a trap composed of 18 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:29] [INFO ] Deduced a trap composed of 18 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:30] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:31] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 4/614 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/512 variables, 9/623 constraints. Problems are: Problem set: 0 solved, 241 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:44] [INFO ] Deduced a trap along path composed of 6 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:44] [INFO ] Deduced a trap along path composed of 7 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:45] [INFO ] Deduced a trap along path composed of 8 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:45] [INFO ] Deduced a trap along path composed of 5 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:45] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:45] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:45] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:47] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:42:47] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 512/512 variables, and 632 constraints, problems are : Problem set: 0 solved, 241 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 270/270 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 18/18 constraints]
After SMT, in 60047ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 60048ms
Finished structural reductions in LTL mode , in 1 iterations and 60322 ms. Remains : 270/270 places, 242/242 transitions.
Built C files in :
/tmp/ltsmin7368151079753570033
[2025-06-07 12:42:48] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7368151079753570033
Running compilation step : cd /tmp/ltsmin7368151079753570033;'/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 346 ms.
Running link step : cd /tmp/ltsmin7368151079753570033;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin7368151079753570033;'/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/stateBased12534656839017369931.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-07 12:43:03] [INFO ] Flatten gal took : 16 ms
[2025-06-07 12:43:03] [INFO ] Flatten gal took : 12 ms
[2025-06-07 12:43:03] [INFO ] Time to serialize gal into /tmp/LTL9744651904964260554.gal : 3 ms
[2025-06-07 12:43:03] [INFO ] Time to serialize properties into /tmp/LTL18267646391777882052.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9744651904964260554.gal' '-t' 'CGAL' '-hoa' '/tmp/aut13048921439485804605.hoa' '-atoms' '/tmp/LTL18267646391777882052.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL18267646391777882052.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut13048921439485804605.hoa
Detected timeout of ITS tools.
[2025-06-07 12:43:18] [INFO ] Flatten gal took : 11 ms
[2025-06-07 12:43:18] [INFO ] Flatten gal took : 11 ms
[2025-06-07 12:43:18] [INFO ] Time to serialize gal into /tmp/LTL12133481507430563161.gal : 3 ms
[2025-06-07 12:43:18] [INFO ] Time to serialize properties into /tmp/LTL9841850900139011772.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12133481507430563161.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9841850900139011772.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !(((X("((p172==1)&&(p208==1))"))||(("(p126!=1)")U(("(p126!=1)")&&(G((!("((p94==1)&&(p135==1))"))||(X(X(G("(p126!=1)"))))))))))
Formula 0 simplified : X!"((p172==1)&&(p208==1))" & (F("((p94==1)&&(p135==1))" & XXF!"(p126!=1)") W !"(p126!=1)")
Detected timeout of ITS tools.
[2025-06-07 12:43:33] [INFO ] Flatten gal took : 10 ms
[2025-06-07 12:43:33] [INFO ] Applying decomposition
[2025-06-07 12:43:33] [INFO ] Flatten gal took : 17 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10988462245494917352.txt' '-o' '/tmp/graph10988462245494917352.bin' '-w' '/tmp/graph10988462245494917352.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10988462245494917352.bin' '-l' '-1' '-v' '-w' '/tmp/graph10988462245494917352.weights' '-q' '0' '-e' '0.001'
[2025-06-07 12:43:33] [INFO ] Decomposing Gal with order
[2025-06-07 12:43:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 12:43:33] [INFO ] Removed a total of 40 redundant transitions.
[2025-06-07 12:43:33] [INFO ] Flatten gal took : 103 ms
[2025-06-07 12:43:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 4 ms.
[2025-06-07 12:43:33] [INFO ] Time to serialize gal into /tmp/LTL5184699270874320597.gal : 5 ms
[2025-06-07 12:43:33] [INFO ] Time to serialize properties into /tmp/LTL15246781393269087282.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5184699270874320597.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15246781393269087282.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !(((X("((i11.i1.u55.p172==1)&&(i11.i2.u65.p208==1))"))||(("(i7.u37.p126!=1)")U(("(i7.u37.p126!=1)")&&(G((!("((i6.i1.u30.p94==1)&&(i5.i...210
Formula 0 simplified : X!"((i11.i1.u55.p172==1)&&(i11.i2.u65.p208==1))" & (F("((i6.i1.u30.p94==1)&&(i5.i1.u43.p135==1))" & XXF!"(i7.u37.p126!=1)") W !"(i7....169
Reverse transition relation is NOT exact ! Due to transitions t51, t54, t98, t101, t155, t197, t200, t233, t237, t251, i0.t246, i0.i0.u2.t207, i0.i2.u12.t1...976
Computing Next relation with stutter on 369558 deadlock states
Detected timeout of ITS tools.
Treatment of property ShieldPPPt-PT-004B-LTLFireability-13 finished in 281158 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&&(p1 U G(p2))))))'
Support contains 3 out of 282 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 55 transitions
Trivial Post-agglo rules discarded 55 transitions
Performed 55 trivial Post agglomeration. Transition count delta: 55
Iterating post reduction 0 with 55 rules applied. Total rules applied 55 place count 281 transition count 198
Reduce places removed 55 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 57 rules applied. Total rules applied 112 place count 226 transition count 196
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 114 place count 225 transition count 195
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 115 place count 224 transition count 195
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 27 Pre rules applied. Total rules applied 115 place count 224 transition count 168
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 4 with 54 rules applied. Total rules applied 169 place count 197 transition count 168
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 177 place count 189 transition count 160
Iterating global reduction 4 with 8 rules applied. Total rules applied 185 place count 189 transition count 160
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 185 place count 189 transition count 153
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 199 place count 182 transition count 153
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 4 with 128 rules applied. Total rules applied 327 place count 118 transition count 89
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 349 place count 107 transition count 89
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 351 place count 105 transition count 87
Applied a total of 351 rules in 21 ms. Remains 105 /282 variables (removed 177) and now considering 87/254 (removed 167) transitions.
// Phase 1: matrix 87 rows 105 cols
[2025-06-07 12:43:48] [INFO ] Computed 45 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:43:48] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-07 12:43:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:43:49] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-07 12:43:49] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 12:43:49] [INFO ] Redundant transitions in 0 ms returned []
Running 81 sub problems to find dead transitions.
[2025-06-07 12:43:49] [INFO ] Invariant cache hit.
[2025-06-07 12:43:49] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 26/45 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:43:49] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:43:49] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 87/192 variables, 105/152 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 15/167 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (OVERLAPS) 0/192 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 167 constraints, problems are : Problem set: 0 solved, 81 unsolved in 1921 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 105/105 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (OVERLAPS) 4/105 variables, 26/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 87/192 variables, 105/152 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 15/167 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 81/248 constraints. Problems are: Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:43:52] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:43:52] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 2/250 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 250 constraints, problems are : Problem set: 0 solved, 81 unsolved in 5339 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 105/105 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 7267ms problems are : Problem set: 0 solved, 81 unsolved
Search for dead transitions found 0 dead transitions in 7267ms
Starting structural reductions in SI_LTL mode, iteration 1 : 105/282 places, 87/254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 7512 ms. Remains : 105/282 places, 87/254 transitions.
Stuttering acceptance computed with spot in 171 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 204 ms.
Stack based approach found an accepted trace after 44 steps with 0 reset with depth 45 and stack size 45 in 1 ms.
FORMULA ShieldPPPt-PT-004B-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-004B-LTLFireability-14 finished in 7915 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)&&F((p2&&X((p2 U (!p3||G(p2)))))))||X(G(!p1)))))'
Support contains 5 out of 282 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 282/282 places, 254/254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 271 transition count 243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 271 transition count 243
Applied a total of 22 rules in 14 ms. Remains 271 /282 variables (removed 11) and now considering 243/254 (removed 11) transitions.
// Phase 1: matrix 243 rows 271 cols
[2025-06-07 12:43:56] [INFO ] Computed 45 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:43:56] [INFO ] Implicit Places using invariants in 94 ms returned []
[2025-06-07 12:43:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 12:43:57] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 250 ms to find 0 implicit places.
Running 242 sub problems to find dead transitions.
[2025-06-07 12:43:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [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
[2025-06-07 12:44:00] [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
[2025-06-07 12:44:00] [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
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 16 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:00] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:01] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:01] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:01] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:01] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:01] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:01] [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
[2025-06-07 12:44:01] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:02] [INFO ] Deduced a trap composed of 22 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:02] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:02] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:02] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:02] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:02] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 6/71 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (OVERLAPS) 243/514 variables, 271/342 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:07] [INFO ] Deduced a trap along path composed of 7 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:08] [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
[2025-06-07 12:44:08] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:08] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 4/346 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:11] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 1/347 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:13] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:13] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/514 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/514 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:19] [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
[2025-06-07 12:44:19] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:20] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:20] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/514 variables, 4/353 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:22] [INFO ] Deduced a trap along path composed of 7 places in 22 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:25] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:25] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:26] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:26] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/514 variables, 4/358 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 514/514 variables, and 358 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 33/78 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:27] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 5 (OVERLAPS) 243/514 variables, 271/350 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/514 variables, 242/592 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:30] [INFO ] Deduced a trap composed of 18 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:30] [INFO ] Deduced a trap composed of 18 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:30] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:31] [INFO ] Deduced a trap composed of 19 places in 72 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:31] [INFO ] Deduced a trap composed of 20 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:31] [INFO ] Deduced a trap composed of 20 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:31] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:31] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:31] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:31] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:32] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:32] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:32] [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
[2025-06-07 12:44:32] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:32] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:32] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:32] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:32] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/514 variables, 18/610 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:34] [INFO ] Deduced a trap composed of 20 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:35] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/514 variables, 2/612 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:37] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:38] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:39] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/514 variables, 3/615 constraints. Problems are: Problem set: 0 solved, 242 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/514 variables, 9/624 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 12:44:48] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 1/625 constraints. Problems are: Problem set: 0 solved, 242 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 514/514 variables, and 625 constraints, problems are : Problem set: 0 solved, 242 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 45/45 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 242/242 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 60032ms problems are : Problem set: 0 solved, 242 unsolved
Search for dead transitions found 0 dead transitions in 60033ms
Starting structural reductions in LTL mode, iteration 1 : 271/282 places, 243/254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60299 ms. Remains : 271/282 places, 243/254 transitions.
Stuttering acceptance computed with spot in 326 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (AND p1 (NOT p2)), (AND (NOT p2) p1 p3), true, (NOT p2), (AND (NOT p2) p3)]
Running random walk in product with property : ShieldPPPt-PT-004B-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 95 ms.
Product exploration explored 100000 steps with 50000 reset in 101 ms.
Computed a total of 64 stabilizing places and 64 stable transitions
Computed a total of 64 stabilizing places and 64 stable transitions
Detected a total of 64/271 stabilizing places and 64/243 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) (NOT p3)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p0) p2))), (X p0), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND p2 p1 p3)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p2) p1 p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) p3)))), (X (X (NOT (AND p2 (NOT p1) p3)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 18 factoid took 19 ms. Reduced automaton from 8 states, 18 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-004B-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-004B-LTLFireability-15 finished in 60873 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||(p1 U (p1&&G((!p2||X(X(G(p1)))))))))'
[2025-06-07 12:44:57] [INFO ] Flatten gal took : 8 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin8092315413928158524
[2025-06-07 12:44:57] [INFO ] Computing symmetric may disable matrix : 254 transitions.
[2025-06-07 12:44:57] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 12:44:57] [INFO ] Computing symmetric may enable matrix : 254 transitions.
[2025-06-07 12:44:57] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 12:44:57] [INFO ] Applying decomposition
[2025-06-07 12:44:57] [INFO ] Flatten gal took : 11 ms
[2025-06-07 12:44:57] [INFO ] Computing Do-Not-Accords matrix : 254 transitions.
[2025-06-07 12:44:57] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 12:44:57] [INFO ] Built C files in 46ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8092315413928158524
Running compilation step : cd /tmp/ltsmin8092315413928158524;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '720' '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'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8786180550003687578.txt' '-o' '/tmp/graph8786180550003687578.bin' '-w' '/tmp/graph8786180550003687578.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8786180550003687578.bin' '-l' '-1' '-v' '-w' '/tmp/graph8786180550003687578.weights' '-q' '0' '-e' '0.001'
[2025-06-07 12:44:57] [INFO ] Decomposing Gal with order
[2025-06-07 12:44:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 12:44:57] [INFO ] Removed a total of 33 redundant transitions.
[2025-06-07 12:44:57] [INFO ] Flatten gal took : 25 ms
[2025-06-07 12:44:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2025-06-07 12:44:57] [INFO ] Time to serialize gal into /tmp/LTLFireability1654625351719886454.gal : 4 ms
[2025-06-07 12:44:57] [INFO ] Time to serialize properties into /tmp/LTLFireability2463367646130261480.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability1654625351719886454.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability2463367646130261480.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !(((X("((i11.i1.u61.p172==1)&&(i11.i2.u73.p208==1))"))||(("(i5.i0.u43.p126!=1)")U(("(i5.i0.u43.p126!=1)")&&(G((!("((i7.i1.u32.p94==1)&...219
Formula 0 simplified : X!"((i11.i1.u61.p172==1)&&(i11.i2.u73.p208==1))" & (F("((i7.i1.u32.p94==1)&&(i6.i1.u47.p135==1))" & XXF!"(i5.i0.u43.p126!=1)") W !"(...175
Compilation finished in 461 ms.
Running link step : cd /tmp/ltsmin8092315413928158524;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin8092315413928158524;'/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' '--ltl' '(X((LTLAPp0==true))||((LTLAPp1==true) U ((LTLAPp1==true)&&[]((!(LTLAPp2==true)||X(X([]((LTLAPp1==true)))))))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t57, t98, t101, t155, t197, t203, t233, t238, t239, t251, i0.i0.u12.t199, i0.i1.t171, i0.i1.u...1226
Computing Next relation with stutter on 369558 deadlock states
8 unique states visited
8 strongly connected components in search stack
8 transitions explored
8 items max in DFS search stack
20908 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,209.113,2050880,1,0,3.2819e+06,901,3724,1.06645e+07,361,3639,2446812
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA ShieldPPPt-PT-004B-LTLFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 1494686 ms.

BK_STOP 1749300803884

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldPPPt-PT-004B"
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 ShieldPPPt-PT-004B, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r198-tall-174894533500836"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-004B.tgz
mv ShieldPPPt-PT-004B execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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