Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894532400276.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldIIPs-PT-002B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894532400276
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 9.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 33K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-00
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-01
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-02
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-03
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-04
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-05
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-06
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-07
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-08
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-09
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-10
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-11
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-12
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-13
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-14
FORMULA_NAME ShieldIIPs-PT-002B-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749019315731

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPs-PT-002B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-04 06:41:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-04 06:41:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 06:41:57] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2025-06-04 06:41:57] [INFO ] Transformed 123 places.
[2025-06-04 06:41:57] [INFO ] Transformed 121 transitions.
[2025-06-04 06:41:57] [INFO ] Found NUPN structural information;
[2025-06-04 06:41:57] [INFO ] Parsed PT model containing 123 places and 121 transitions and 362 arcs in 190 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA ShieldIIPs-PT-002B-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 123 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 123/123 places, 121/121 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 112 transition count 110
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 112 transition count 110
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 111 transition count 109
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 111 transition count 109
Applied a total of 24 rules in 34 ms. Remains 111 /123 variables (removed 12) and now considering 109/121 (removed 12) transitions.
// Phase 1: matrix 109 rows 111 cols
[2025-06-04 06:41:57] [INFO ] Computed 19 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:41:57] [INFO ] Implicit Places using invariants in 179 ms returned []
[2025-06-04 06:41:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:41:57] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 313 ms to find 0 implicit places.
Running 108 sub problems to find dead transitions.
[2025-06-04 06:41:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (OVERLAPS) 1/111 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:58] [INFO ] Deduced a trap composed of 32 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:58] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:58] [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
[2025-06-04 06:41:58] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:58] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:58] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [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
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [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
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 16/35 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:41:59] [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
[2025-06-04 06:41:59] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 4/39 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:00] [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
[2025-06-04 06:42:00] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:00] [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
[2025-06-04 06:42:00] [INFO ] Deduced a trap composed of 23 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:00] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:00] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:00] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 7/46 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:00] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/220 variables, 111/158 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:01] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:01] [INFO ] Deduced a trap composed of 27 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:01] [INFO ] Deduced a trap composed of 36 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:02] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:02] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:02] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:02] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 7/165 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:02] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:02] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:02] [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
[2025-06-04 06:42:02] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 4/169 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:03] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:03] [INFO ] Deduced a trap composed of 27 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:03] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:03] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:03] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/220 variables, 5/174 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:04] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:04] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:04] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/220 variables, 3/177 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:05] [INFO ] Deduced a trap along path composed of 3 places in 41 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:05] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 2/179 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/220 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:06] [INFO ] Deduced a trap composed of 27 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:06] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:06] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:06] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 3 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/220 variables, 4/183 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:07] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:07] [INFO ] Deduced a trap composed of 28 places in 26 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/220 variables, 2/185 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:08] [INFO ] Deduced a trap composed of 25 places in 55 ms of which 5 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/220 variables, 1/186 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:08] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:08] [INFO ] Deduced a trap composed of 25 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:08] [INFO ] Deduced a trap composed of 34 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:08] [INFO ] Deduced a trap composed of 35 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:08] [INFO ] Deduced a trap composed of 36 places in 40 ms of which 4 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/220 variables, 5/191 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:09] [INFO ] Deduced a trap composed of 41 places in 48 ms of which 4 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/220 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/220 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:11] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:11] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 3 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/220 variables, 2/194 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:11] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 3 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/220 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/220 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 23 (OVERLAPS) 0/220 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 220/220 variables, and 195 constraints, problems are : Problem set: 0 solved, 108 unsolved in 15999 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 61/61 constraints, Known Traps Along Path: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (OVERLAPS) 1/111 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 61/80 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:13] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [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
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 31 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 31 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 25 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 26 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 29 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:14] [INFO ] Deduced a trap composed of 32 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:15] [INFO ] Deduced a trap composed of 32 places in 38 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 8/98 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (OVERLAPS) 109/220 variables, 111/209 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/220 variables, 108/317 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:16] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 4/322 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:19] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/220 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:23] [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
[2025-06-04 06:42:23] [INFO ] Deduced a trap composed of 24 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/220 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:28] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:29] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 2/327 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:34] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:35] [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
[2025-06-04 06:42:35] [INFO ] Deduced a trap composed of 25 places in 39 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/220 variables, 3/330 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:41] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:42] [INFO ] Deduced a trap composed of 29 places in 35 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/220 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 220/220 variables, and 332 constraints, problems are : Problem set: 0 solved, 108 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 90/90 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 46074ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 46082ms
Starting structural reductions in LTL mode, iteration 1 : 111/123 places, 109/121 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46445 ms. Remains : 111/123 places, 109/121 transitions.
Support contains 40 out of 111 places after structural reductions.
[2025-06-04 06:42:43] [INFO ] Flatten gal took : 25 ms
[2025-06-04 06:42:43] [INFO ] Flatten gal took : 11 ms
[2025-06-04 06:42:43] [INFO ] Input system was already deterministic with 109 transitions.
Reduction of identical properties reduced properties to check from 30 to 29
RANDOM walk for 40000 steps (116 resets) in 951 ms. (42 steps per ms) remains 2/29 properties
BEST_FIRST walk for 40003 steps (16 resets) in 227 ms. (175 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (24 resets) in 140 ms. (283 steps per ms) remains 2/2 properties
[2025-06-04 06:42:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp11 is UNSAT
At refinement iteration 1 (OVERLAPS) 44/52 variables, 9/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 59/111 variables, 10/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:44] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:44] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 2/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/220 variables, 111/132 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:44] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/220 variables, 1/133 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 0/133 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/220 variables, 0/133 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 220/220 variables, and 133 constraints, problems are : Problem set: 1 solved, 1 unsolved in 220 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 31/35 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 76/111 variables, 15/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 3/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/220 variables, 111/133 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/220 variables, 1/134 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:44] [INFO ] Deduced a trap composed of 25 places in 29 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/220 variables, 1/135 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/220 variables, 0/135 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/220 variables, 0/135 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 220/220 variables, and 135 constraints, problems are : Problem set: 1 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 111/111 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 373ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 109/109 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 111 transition count 100
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 102 transition count 100
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 18 place count 102 transition count 89
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 40 place count 91 transition count 89
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 88 transition count 86
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 88 transition count 86
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 46 place count 88 transition count 85
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 48 place count 87 transition count 85
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
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 112 place count 55 transition count 53
Partial Free-agglomeration rule applied 14 times.
Drop transitions (Partial Free agglomeration) removed 14 transitions
Iterating global reduction 2 with 14 rules applied. Total rules applied 126 place count 55 transition count 53
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 127 place count 54 transition count 52
Applied a total of 127 rules in 29 ms. Remains 54 /111 variables (removed 57) and now considering 52/109 (removed 57) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 54/111 places, 52/109 transitions.
RANDOM walk for 40000 steps (8 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3220674 steps, run timeout after 3001 ms. (steps per millisecond=1073 ) properties seen :0 out of 1
Probabilistic random walk after 3220674 steps, saw 616035 distinct states, run finished after 3005 ms. (steps per millisecond=1071 ) properties seen :0
// Phase 1: matrix 52 rows 54 cols
[2025-06-04 06:42:47] [INFO ] Computed 19 invariants in 1 ms
[2025-06-04 06:42:47] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/25 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 30/57 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/57 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/57 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/73 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/73 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/73 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 23/96 variables, 12/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/96 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/96 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/97 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/97 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/97 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/99 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/99 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/99 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 7/106 variables, 6/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/106 variables, 3/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/106 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/106 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 106/106 variables, and 77 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/25 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 30/57 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/57 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/57 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/73 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/73 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/73 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:48] [INFO ] Deduced a trap composed of 7 places in 18 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/73 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/73 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/96 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/96 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/96 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/97 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/97 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/97 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/99 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/99 variables, 2/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/99 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 7/106 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/106 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/106 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/106 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 106/106 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 266ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 4 out of 54 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 52/52 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 52/52 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 54/54 places, 52/52 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 52/52 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 52/52 (removed 0) transitions.
[2025-06-04 06:42:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:42:48] [INFO ] Implicit Places using invariants in 40 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 53/54 places, 52/52 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 52/52 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 47 ms. Remains : 53/54 places, 52/52 transitions.
RANDOM walk for 40000 steps (8 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3375589 steps, run timeout after 3001 ms. (steps per millisecond=1124 ) properties seen :0 out of 1
Probabilistic random walk after 3375589 steps, saw 645221 distinct states, run finished after 3001 ms. (steps per millisecond=1124 ) properties seen :0
// Phase 1: matrix 52 rows 53 cols
[2025-06-04 06:42:51] [INFO ] Computed 18 invariants in 3 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/24 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/72 variables, 6/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/72 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 23/95 variables, 12/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/95 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/95 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/96 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/96 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/96 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/98 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/98 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/98 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 7/105 variables, 6/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/105 variables, 3/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/105 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/105 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 105/105 variables, and 71 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/24 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:51] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 30/56 variables, 26/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/72 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 2/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/72 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:51] [INFO ] Deduced a trap composed of 5 places in 18 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/72 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/72 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/95 variables, 12/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 3/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/96 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/96 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/96 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/98 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/98 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/98 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 7/105 variables, 6/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/105 variables, 3/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/105 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/105 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 105/105 variables, and 74 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 272ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 52/52 transitions.
Applied a total of 0 rules in 3 ms. Remains 53 /53 variables (removed 0) and now considering 52/52 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 53/53 places, 52/52 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 52/52 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 52/52 (removed 0) transitions.
[2025-06-04 06:42:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:42:51] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-04 06:42:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:42:51] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:42:51] [INFO ] Redundant transitions in 1 ms returned []
Running 50 sub problems to find dead transitions.
[2025-06-04 06:42:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:51] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:51] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:51] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 4 (OVERLAPS) 2/53 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap composed of 7 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 8 (OVERLAPS) 52/105 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/105 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:52] [INFO ] Deduced a trap along path composed of 2 places in 15 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/105 variables, 2/82 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/105 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 12 (OVERLAPS) 0/105 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Real declared 105/105 variables, and 82 constraints, problems are : Problem set: 0 solved, 50 unsolved in 1793 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 4 (OVERLAPS) 2/53 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:53] [INFO ] Deduced a trap composed of 5 places in 23 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 8 (OVERLAPS) 52/105 variables, 53/81 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/105 variables, 50/131 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:53] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:53] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:54] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/105 variables, 3/134 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/105 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:42:55] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/105 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 14 (OVERLAPS) 0/105 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Int declared 105/105 variables, and 137 constraints, problems are : Problem set: 0 solved, 50 unsolved in 5798 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 7604ms problems are : Problem set: 0 solved, 50 unsolved
Search for dead transitions found 0 dead transitions in 7604ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7719 ms. Remains : 53/53 places, 52/52 transitions.
Successfully simplified 1 atomic propositions for a total of 15 simplifications.
Computed a total of 24 stabilizing places and 24 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(p0) U X(X((G(p1)||F(G(p2)))))))'
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 7 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
// Phase 1: matrix 106 rows 108 cols
[2025-06-04 06:42:59] [INFO ] Computed 19 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:42:59] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-04 06:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:42:59] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:00] [INFO ] Deduced a trap composed of 32 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:00] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:00] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:00] [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
[2025-06-04 06:43:00] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:00] [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
[2025-06-04 06:43:00] [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
[2025-06-04 06:43:00] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:00] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:01] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:02] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:02] [INFO ] Deduced a trap composed of 18 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:02] [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
[2025-06-04 06:43:02] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:02] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:02] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:03] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:04] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:04] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:04] [INFO ] Deduced a trap composed of 26 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:04] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:04] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:04] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:04] [INFO ] Deduced a trap composed of 30 places in 33 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:05] [INFO ] Deduced a trap composed of 33 places in 38 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:05] [INFO ] Deduced a trap composed of 24 places in 33 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:06] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:06] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:06] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:07] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:07] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:07] [INFO ] Deduced a trap composed of 29 places in 41 ms of which 4 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:08] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10516 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:10] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:11] [INFO ] Deduced a trap composed of 21 places in 24 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:11] [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
[2025-06-04 06:43:11] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:11] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:12] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:12] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:12] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:12] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:12] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:13] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:13] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:13] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:14] [INFO ] Deduced a trap composed of 23 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:14] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:14] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:14] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:14] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:16] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:17] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:25] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:29] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:34] [INFO ] Deduced a trap composed of 22 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:34] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:39] [INFO ] Deduced a trap along path composed of 7 places in 22 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 297 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40539ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40541ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40683 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 368 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0) p1)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-00
Stuttering criterion allowed to conclude after 294 steps with 0 reset in 5 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-00 finished in 41119 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((p0||X(p1)))) U ((p0&&X(X((p0||X(p1)))))||X(X(G((p0||X(p1)))))))))'
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 8 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
[2025-06-04 06:43:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:43:40] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-04 06:43:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:43:40] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:43:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:41] [INFO ] Deduced a trap composed of 32 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:41] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:41] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:41] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:41] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:41] [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
[2025-06-04 06:43:41] [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
[2025-06-04 06:43:41] [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
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:42] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:43] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:43] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:43] [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
[2025-06-04 06:43:43] [INFO ] Deduced a trap composed of 22 places in 26 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:43] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:43] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:44] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:45] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:45] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:45] [INFO ] Deduced a trap composed of 26 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:45] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:45] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:45] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:45] [INFO ] Deduced a trap composed of 30 places in 37 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:46] [INFO ] Deduced a trap composed of 33 places in 40 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:46] [INFO ] Deduced a trap composed of 24 places in 30 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:47] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:47] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:48] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:48] [INFO ] Deduced a trap composed of 28 places in 38 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:48] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:48] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:49] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10507 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:51] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:52] [INFO ] Deduced a trap composed of 21 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:52] [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
[2025-06-04 06:43:52] [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
[2025-06-04 06:43:52] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:53] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:53] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:53] [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
[2025-06-04 06:43:53] [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
[2025-06-04 06:43:53] [INFO ] Deduced a trap composed of 23 places in 29 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:54] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:54] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:54] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:55] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:55] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:55] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:55] [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
[2025-06-04 06:43:55] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:57] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:43:58] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:06] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:10] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:15] [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
[2025-06-04 06:44:15] [INFO ] Deduced a trap composed of 20 places in 22 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:21] [INFO ] Deduced a trap along path composed of 7 places in 22 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 297 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40530ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40531ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40658 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1), true]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-02
Product exploration explored 100000 steps with 25000 reset in 212 ms.
Product exploration explored 100000 steps with 25000 reset in 110 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X p0)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 74 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
RANDOM walk for 463 steps (0 resets) in 14 ms. (30 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X p0)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F p1), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 120 ms. Reduced automaton from 6 states, 6 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 200 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
Stuttering acceptance computed with spot in 203 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
Support contains 3 out of 108 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 108/108 places, 106/106 transitions.
Applied a total of 0 rules in 5 ms. Remains 108 /108 variables (removed 0) and now considering 106/106 (removed 0) transitions.
[2025-06-04 06:44:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:44:22] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-04 06:44:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:44:23] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:44:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:23] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:23] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:23] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:23] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:23] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:23] [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
[2025-06-04 06:44:23] [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
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:24] [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
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:24] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:25] [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
[2025-06-04 06:44:25] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:25] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:25] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:25] [INFO ] Deduced a trap composed of 22 places in 28 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:25] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:25] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:26] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:27] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:27] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:27] [INFO ] Deduced a trap composed of 26 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:27] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:27] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:27] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:27] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:28] [INFO ] Deduced a trap composed of 33 places in 40 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:28] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:29] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:29] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:30] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:30] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:30] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:30] [INFO ] Deduced a trap composed of 29 places in 37 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:31] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10574 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:33] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:34] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:34] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:35] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:35] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:35] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:35] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:35] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:35] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:35] [INFO ] Deduced a trap composed of 23 places in 32 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:36] [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
[2025-06-04 06:44:36] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:36] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:37] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:37] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:38] [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
[2025-06-04 06:44:38] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:38] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:39] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:41] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:48] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:53] [INFO ] Deduced a trap composed of 17 places in 21 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:44:57] [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
[2025-06-04 06:44:57] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 296 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 40612ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40612ms
Finished structural reductions in LTL mode , in 1 iterations and 40749 ms. Remains : 108/108 places, 106/106 transitions.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 65 ms. Reduced automaton from 6 states, 6 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 156 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
RANDOM walk for 451 steps (0 resets) in 9 ms. (45 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : [(F p1), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 101 ms. Reduced automaton from 6 states, 6 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 213 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
Stuttering acceptance computed with spot in 164 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
Stuttering acceptance computed with spot in 176 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
Product exploration explored 100000 steps with 25000 reset in 59 ms.
Product exploration explored 100000 steps with 25000 reset in 60 ms.
Applying partial POR strategy [true, false, false, false, false, true]
Stuttering acceptance computed with spot in 165 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true]
Support contains 3 out of 108 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 108/108 places, 106/106 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 108 transition count 106
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 10 place count 108 transition count 108
Deduced a syphon composed of 14 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 108 transition count 108
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 54 places in 0 ms
Iterating global reduction 1 with 40 rules applied. Total rules applied 54 place count 108 transition count 108
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 69 place count 93 transition count 93
Deduced a syphon composed of 39 places in 0 ms
Iterating global reduction 1 with 15 rules applied. Total rules applied 84 place count 93 transition count 93
Deduced a syphon composed of 39 places in 0 ms
Applied a total of 84 rules in 20 ms. Remains 93 /108 variables (removed 15) and now considering 93/106 (removed 13) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:45:05] [INFO ] Redundant transitions in 14 ms returned [92]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT only with invariants) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 91 sub problems to find dead transitions.
// Phase 1: matrix 92 rows 93 cols
[2025-06-04 06:45:05] [INFO ] Computed 19 invariants in 1 ms
[2025-06-04 06:45:05] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 91 unsolved
At refinement iteration 1 (OVERLAPS) 1/93 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 91 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 5 places in 32 ms of which 3 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 2 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 5 places in 20 ms of which 2 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 5 places in 23 ms of which 1 ms to minimize.
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 3 places in 20 ms of which 2 ms to minimize.
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 3 ms to minimize.
Problem TDEAD16 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 4 places in 19 ms of which 2 ms to minimize.
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 1 ms to minimize.
Problem TDEAD21 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 3 ms to minimize.
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 5 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 1 ms to minimize.
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem TDEAD28 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 2 ms to minimize.
Problem TDEAD29 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:05] [INFO ] Deduced a trap composed of 4 places in 17 ms of which 1 ms to minimize.
Problem TDEAD31 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:06] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 1 ms to minimize.
Problem TDEAD34 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD64 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:06] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 1 ms to minimize.
Problem TDEAD65 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD88 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 17/36 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/36 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 4 (OVERLAPS) 92/185 variables, 93/129 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 3/132 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 0/132 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 7 (OVERLAPS) 0/185 variables, 0/132 constraints. Problems are: Problem set: 41 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 132 constraints, problems are : Problem set: 41 solved, 50 unsolved in 1702 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 93/93 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 91/91 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 41 solved, 50 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 1 (OVERLAPS) 40/93 variables, 19/19 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 17/36 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/36 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 4 (OVERLAPS) 92/185 variables, 93/129 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 3/132 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/185 variables, 50/182 constraints. Problems are: Problem set: 41 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:07] [INFO ] Deduced a trap along path composed of 8 places in 15 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:07] [INFO ] Deduced a trap along path composed of 4 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/185 variables, 2/184 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/184 constraints. Problems are: Problem set: 41 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:09] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/185 variables, 1/185 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/185 constraints. Problems are: Problem set: 41 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:12] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:12] [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
[2025-06-04 06:45:12] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 3 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/185 variables, 3/188 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/185 variables, 0/188 constraints. Problems are: Problem set: 41 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:15] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/185 variables, 1/189 constraints. Problems are: Problem set: 41 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:16] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/185 variables, 1/190 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/185 variables, 0/190 constraints. Problems are: Problem set: 41 solved, 50 unsolved
At refinement iteration 16 (OVERLAPS) 0/185 variables, 0/190 constraints. Problems are: Problem set: 41 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 190 constraints, problems are : Problem set: 41 solved, 50 unsolved in 14164 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 93/93 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 50/91 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 15880ms problems are : Problem set: 41 solved, 50 unsolved
Search for dead transitions found 41 dead transitions in 15881ms
Found 41 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 41 transitions
Dead transitions reduction (with SMT) removed 41 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 93/108 places, 51/106 transitions.
Graph (complete) has 178 edges and 93 vertex of which 54 are kept as prefixes of interest. Removing 39 places using SCC suffix rule.3 ms
Discarding 39 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 11 ms. Remains 54 /93 variables (removed 39) and now considering 51/51 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 54/108 places, 51/106 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 15932 ms. Remains : 54/108 places, 51/106 transitions.
Built C files in :
/tmp/ltsmin17950750277492919498
[2025-06-04 06:45:20] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17950750277492919498
Running compilation step : cd /tmp/ltsmin17950750277492919498;'/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 269 ms.
Running link step : cd /tmp/ltsmin17950750277492919498;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin17950750277492919498;'/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/stateBased17715278643755297442.hoa' '--buchi-type=spotba'
LTSmin run took 365 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-02 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldIIPs-PT-002B-LTLFireability-02 finished in 100850 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0&&(p1 U X((G(p0)&&p2)))))))'
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 7 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
// Phase 1: matrix 106 rows 108 cols
[2025-06-04 06:45:21] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:45:21] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-04 06:45:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:45:21] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:45:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 32 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [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
[2025-06-04 06:45:22] [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
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [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
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 16 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:22] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:23] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:23] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:23] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:23] [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
[2025-06-04 06:45:23] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:23] [INFO ] Deduced a trap composed of 18 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:23] [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
[2025-06-04 06:45:23] [INFO ] Deduced a trap composed of 22 places in 26 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:24] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:24] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:25] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 26 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 30 places in 36 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:26] [INFO ] Deduced a trap composed of 33 places in 29 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:27] [INFO ] Deduced a trap composed of 24 places in 33 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:27] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:28] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:28] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:28] [INFO ] Deduced a trap composed of 28 places in 35 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:29] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:29] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:30] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10380 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:32] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:32] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:33] [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
[2025-06-04 06:45:33] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:33] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:33] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:34] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:34] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:34] [INFO ] Deduced a trap composed of 20 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:34] [INFO ] Deduced a trap composed of 23 places in 26 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:35] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:35] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:35] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:36] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:36] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:36] [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
[2025-06-04 06:45:36] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:36] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:37] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:39] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:46] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:51] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:55] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:45:56] [INFO ] Deduced a trap composed of 20 places in 24 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:01] [INFO ] Deduced a trap along path composed of 7 places in 28 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 297 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30008 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40401ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40401ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40550 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 228 ms :[(OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (OR (NOT p2) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-03
Stuttering criterion allowed to conclude after 364 steps with 0 reset in 2 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-03 finished in 40803 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((F((p0 U X(!p0))) U p0))&&G(p1))))'
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 5 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
[2025-06-04 06:46:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:46:02] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-04 06:46:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:46:02] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:46:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 32 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [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
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 14 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [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
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [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
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:03] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:04] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:04] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:04] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:04] [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
[2025-06-04 06:46:04] [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
[2025-06-04 06:46:04] [INFO ] Deduced a trap composed of 22 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:05] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:05] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:06] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:06] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:06] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:07] [INFO ] Deduced a trap composed of 26 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:07] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:07] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:07] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:07] [INFO ] Deduced a trap composed of 30 places in 35 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:07] [INFO ] Deduced a trap composed of 33 places in 42 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:08] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:08] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:09] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:09] [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
[2025-06-04 06:46:09] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 4 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:10] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:10] [INFO ] Deduced a trap composed of 29 places in 37 ms of which 4 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:11] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10369 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:13] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:13] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:14] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:14] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:14] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:14] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:14] [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
[2025-06-04 06:46:14] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:14] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:15] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:15] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:16] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:16] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:17] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:17] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:17] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:17] [INFO ] Deduced a trap composed of 19 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:17] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:18] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:20] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:27] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:32] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 10 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:36] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:37] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:42] [INFO ] Deduced a trap along path composed of 7 places in 21 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 297 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40389ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40390ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40516 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 138 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-04
Entered a terminal (fully accepting) state of product in 21 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-04 finished in 40675 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 3 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
[2025-06-04 06:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:46:43] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-04 06:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:46:43] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 32 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 14 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [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
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:44] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:45] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:45] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:45] [INFO ] Deduced a trap composed of 18 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:45] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:45] [INFO ] Deduced a trap composed of 22 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:45] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:45] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:46] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:47] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:47] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:47] [INFO ] Deduced a trap composed of 26 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:47] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:47] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:47] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:47] [INFO ] Deduced a trap composed of 30 places in 36 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:48] [INFO ] Deduced a trap composed of 33 places in 38 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:48] [INFO ] Deduced a trap composed of 24 places in 27 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:49] [INFO ] Deduced a trap composed of 17 places in 63 ms of which 12 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:49] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:50] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:50] [INFO ] Deduced a trap composed of 28 places in 38 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:50] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:51] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:51] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10432 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:53] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:54] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:55] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:55] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:55] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:55] [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
[2025-06-04 06:46:55] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:55] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:55] [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
[2025-06-04 06:46:55] [INFO ] Deduced a trap composed of 23 places in 24 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:56] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:56] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:56] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:57] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:57] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:58] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:58] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:58] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:46:59] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:01] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:08] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:13] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:17] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:17] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:23] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 297 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40453ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40454ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40598 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 58 ms.
Product exploration explored 100000 steps with 50000 reset in 65 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Detected a total of 23/108 stabilizing places and 23/106 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 18 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPs-PT-002B-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPs-PT-002B-LTLFireability-05 finished in 40831 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(F(p1)))&&p0)))'
Support contains 5 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 7 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
[2025-06-04 06:47:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:47:24] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-04 06:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:47:24] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:24] [INFO ] Deduced a trap composed of 32 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:24] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:24] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:24] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:24] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 14 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:25] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:26] [INFO ] Deduced a trap composed of 20 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:26] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:26] [INFO ] Deduced a trap composed of 18 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:26] [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
[2025-06-04 06:47:26] [INFO ] Deduced a trap composed of 22 places in 25 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:26] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:26] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:27] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:28] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:28] [INFO ] Deduced a trap composed of 22 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:28] [INFO ] Deduced a trap composed of 26 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:28] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:28] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:28] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:28] [INFO ] Deduced a trap composed of 30 places in 36 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:29] [INFO ] Deduced a trap composed of 33 places in 36 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:29] [INFO ] Deduced a trap composed of 24 places in 33 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:30] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:30] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:31] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:31] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 4 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:31] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:32] [INFO ] Deduced a trap composed of 29 places in 37 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:32] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10711 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:35] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:35] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:36] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:36] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:36] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:36] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:36] [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
[2025-06-04 06:47:36] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:36] [INFO ] Deduced a trap composed of 20 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:36] [INFO ] Deduced a trap composed of 23 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:37] [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
[2025-06-04 06:47:37] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:37] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:38] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:38] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:39] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:39] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:39] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:40] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:42] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:49] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:54] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:58] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:47:58] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:04] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 297 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40735ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40736ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40872 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 155 ms :[(NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-06 finished in 41040 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((p0 U p1)) U p2) U X(p3)))'
Support contains 8 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 109 transition count 107
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 109 transition count 107
Applied a total of 4 rules in 3 ms. Remains 109 /111 variables (removed 2) and now considering 107/109 (removed 2) transitions.
// Phase 1: matrix 107 rows 109 cols
[2025-06-04 06:48:05] [INFO ] Computed 19 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:48:05] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-04 06:48:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:48:05] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Running 106 sub problems to find dead transitions.
[2025-06-04 06:48:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/109 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:05] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:05] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:05] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:05] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [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
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [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
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [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
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:06] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/216 variables, 109/147 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:07] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:07] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:07] [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
[2025-06-04 06:48:07] [INFO ] Deduced a trap composed of 24 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:07] [INFO ] Deduced a trap composed of 17 places in 25 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/216 variables, 5/152 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:07] [INFO ] Deduced a trap composed of 25 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:07] [INFO ] Deduced a trap composed of 27 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:08] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 3/155 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:08] [INFO ] Deduced a trap composed of 29 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:08] [INFO ] Deduced a trap composed of 30 places in 34 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:09] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:09] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:10] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:10] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 25 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [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
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 5/166 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 34 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:11] [INFO ] Deduced a trap composed of 34 places in 37 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/216 variables, 4/170 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:12] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:12] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:12] [INFO ] Deduced a trap composed of 24 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:12] [INFO ] Deduced a trap composed of 30 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:12] [INFO ] Deduced a trap composed of 17 places in 22 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 5/175 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:13] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:13] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/216 variables, 2/177 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:13] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/216 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:14] [INFO ] Deduced a trap along path composed of 14 places in 28 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/216 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:15] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 2 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/216 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/216 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 20 (OVERLAPS) 0/216 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 180 constraints, problems are : Problem set: 0 solved, 106 unsolved in 13010 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 49/49 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/109 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 49/68 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/216 variables, 109/177 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/216 variables, 106/283 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:18] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:19] [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
[2025-06-04 06:48:19] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:19] [INFO ] Deduced a trap composed of 26 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:19] [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
[2025-06-04 06:48:19] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:19] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 7/290 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:20] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:20] [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
[2025-06-04 06:48:20] [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
[2025-06-04 06:48:20] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 4/294 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:21] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:21] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:21] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:21] [INFO ] Deduced a trap composed of 30 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:21] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 5/299 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:23] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:23] [INFO ] Deduced a trap composed of 22 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:23] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 3/302 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:25] [INFO ] Deduced a trap composed of 26 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:31] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:31] [INFO ] Deduced a trap composed of 26 places in 38 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/216 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:42] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:42] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 2 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/216 variables, 2/310 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:47] [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
[2025-06-04 06:48:48] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 216/216 variables, and 312 constraints, problems are : Problem set: 0 solved, 106 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 43029ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 43029ms
Starting structural reductions in LTL mode, iteration 1 : 109/111 places, 107/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43169 ms. Remains : 109/111 places, 107/109 transitions.
Stuttering acceptance computed with spot in 306 ms :[(NOT p3), (NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-07
Product exploration explored 100000 steps with 5115 reset in 138 ms.
Product exploration explored 100000 steps with 5123 reset in 216 ms.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Detected a total of 23/109 stabilizing places and 23/107 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p2 (NOT p1) p0 (NOT p3)), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X p2), (X (OR (AND p2 (NOT p3)) (AND p1 (NOT p3)) (AND p0 (NOT p3)))), (X (AND (NOT p1) (NOT p0) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)))), (X (NOT (OR (AND (NOT p2) p1 (NOT p3)) (AND (NOT p2) p0 (NOT p3))))), (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (NOT p3)), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (OR (AND p2 (NOT p3)) (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (OR (AND (NOT p2) p1 (NOT p3)) (AND (NOT p2) p0 (NOT p3)))))), (X (X (NOT (OR (AND (NOT p2) p1) (AND (NOT p2) p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT p3))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (OR p1 p0))), (X (X (NOT (OR p1 p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3)))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 21 factoid took 752 ms. Reduced automaton from 8 states, 21 edges and 4 AP (stutter sensitive) to 8 states, 19 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 257 ms :[(NOT p3), (NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
Reduction of identical properties reduced properties to check from 16 to 15
RANDOM walk for 40000 steps (116 resets) in 192 ms. (207 steps per ms) remains 2/15 properties
BEST_FIRST walk for 40003 steps (25 resets) in 189 ms. (210 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (24 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
[2025-06-04 06:48:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 77/85 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 24/109 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 107/216 variables, 109/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/216 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 128 constraints, problems are : Problem set: 0 solved, 2 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 77/85 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 24/109 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:50] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:50] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:50] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 107/216 variables, 109/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 2/133 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:50] [INFO ] Deduced a trap along path composed of 4 places in 21 ms of which 0 ms to minimize.
Problem apf2 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Int declared 216/216 variables, and 134 constraints, problems are : Problem set: 2 solved, 0 unsolved in 286 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 377ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p2 (NOT p1) p0 (NOT p3)), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X p2), (X (OR (AND p2 (NOT p3)) (AND p1 (NOT p3)) (AND p0 (NOT p3)))), (X (AND (NOT p1) (NOT p0) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)))), (X (NOT (OR (AND (NOT p2) p1 (NOT p3)) (AND (NOT p2) p0 (NOT p3))))), (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (NOT p3)), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (OR (AND p2 (NOT p3)) (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (OR (AND (NOT p2) p1 (NOT p3)) (AND (NOT p2) p0 (NOT p3)))))), (X (X (NOT (OR (AND (NOT p2) p1) (AND (NOT p2) p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT p3))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (G (OR p2 p3 p1 p0)), (G (OR p2 p1 p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (OR p1 p0))), (X (X (NOT (OR p1 p0)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3)))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (AND (NOT p1) p0))), (F (NOT (AND (OR p2 (NOT p1)) (OR p2 (NOT p0))))), (F (NOT (OR p2 p1 (NOT p0)))), (F p1), (F (NOT (OR p1 p0))), (F (NOT p0)), (F (NOT (AND (OR p2 p3 (NOT p1)) (OR p2 p3 (NOT p0))))), (F (NOT (OR (AND (NOT p3) p1) (AND (NOT p3) p0)))), (F p3), (F (NOT (AND (NOT p3) (NOT p1) p0))), (F (NOT (OR p3 p1 p0))), (F (NOT p2)), (F (NOT (OR (AND p2 (NOT p3)) (AND (NOT p3) p1) (AND (NOT p3) p0)))), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 23 factoid took 1467 ms. Reduced automaton from 8 states, 19 edges and 4 AP (stutter sensitive) to 7 states, 16 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 270 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 263 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
[2025-06-04 06:48:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:48:52] [INFO ] [Real]Absence check using 19 positive place invariants in 4 ms returned sat
[2025-06-04 06:48:52] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2025-06-04 06:48:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:48:52] [INFO ] [Nat]Absence check using 19 positive place invariants in 4 ms returned sat
[2025-06-04 06:48:52] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:52] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 3 ms to minimize.
[2025-06-04 06:48:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2025-06-04 06:48:52] [INFO ] Computed and/alt/rep : 106/237/106 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-04 06:48:53] [INFO ] Added : 91 causal constraints over 19 iterations in 319 ms. Result :sat
Could not prove EG (NOT p3)
Support contains 8 out of 109 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 109/109 places, 107/107 transitions.
Applied a total of 0 rules in 1 ms. Remains 109 /109 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2025-06-04 06:48:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:48:53] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-04 06:48:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:48:53] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 126 ms to find 0 implicit places.
Running 106 sub problems to find dead transitions.
[2025-06-04 06:48:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/109 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [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
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 14 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [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
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:54] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/216 variables, 109/147 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:55] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:55] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:55] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:55] [INFO ] Deduced a trap composed of 24 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:55] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/216 variables, 5/152 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:56] [INFO ] Deduced a trap composed of 25 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:56] [INFO ] Deduced a trap composed of 27 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:56] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 3/155 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:57] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:57] [INFO ] Deduced a trap composed of 30 places in 33 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:57] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:58] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:58] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:59] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:59] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:59] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:59] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:59] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:48:59] [INFO ] Deduced a trap composed of 22 places in 31 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 5/166 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:00] [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
[2025-06-04 06:49:00] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:00] [INFO ] Deduced a trap composed of 34 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:00] [INFO ] Deduced a trap composed of 34 places in 31 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/216 variables, 4/170 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:00] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:00] [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
[2025-06-04 06:49:01] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:01] [INFO ] Deduced a trap composed of 30 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:01] [INFO ] Deduced a trap composed of 17 places in 26 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 5/175 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:01] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:01] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/216 variables, 2/177 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:02] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/216 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:03] [INFO ] Deduced a trap along path composed of 14 places in 22 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/216 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/216 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:04] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 2 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/216 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/216 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 20 (OVERLAPS) 0/216 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 180 constraints, problems are : Problem set: 0 solved, 106 unsolved in 13245 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 49/49 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/109 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 49/68 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/216 variables, 109/177 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/216 variables, 106/283 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:07] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:07] [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
[2025-06-04 06:49:07] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:07] [INFO ] Deduced a trap composed of 26 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:07] [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
[2025-06-04 06:49:07] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:07] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 7/290 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:08] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:08] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:08] [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
[2025-06-04 06:49:08] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 4/294 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:09] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:09] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:09] [INFO ] Deduced a trap composed of 25 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:09] [INFO ] Deduced a trap composed of 30 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:10] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 5/299 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:11] [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
[2025-06-04 06:49:11] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:12] [INFO ] Deduced a trap composed of 28 places in 42 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 3/302 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:13] [INFO ] Deduced a trap composed of 26 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/216 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:19] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:19] [INFO ] Deduced a trap composed of 26 places in 36 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/216 variables, 2/308 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/216 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:30] [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
[2025-06-04 06:49:30] [INFO ] Deduced a trap composed of 22 places in 27 ms of which 3 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/216 variables, 2/310 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:35] [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
[2025-06-04 06:49:36] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 216/216 variables, and 312 constraints, problems are : Problem set: 0 solved, 106 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 43267ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 43268ms
Finished structural reductions in LTL mode , in 1 iterations and 43398 ms. Remains : 109/109 places, 107/107 transitions.
Computed a total of 23 stabilizing places and 23 stable transitions
Computed a total of 23 stabilizing places and 23 stable transitions
Detected a total of 23/109 stabilizing places and 23/107 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p1) (NOT p3) p2), (X p2), (X (NOT p3)), (X (NOT (AND (NOT p2) (NOT p3)))), (X (X p2)), (X (X (NOT p3))), (X (X (NOT (OR (AND p0 (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1) (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (OR (AND p0 (NOT p3)) (AND p1 (NOT p3))))), (X (X (NOT (OR (AND p0 (NOT p3)) (AND p1 (NOT p3)))))), (X (X (AND p0 (NOT p1) (NOT p3)))), (X (X (NOT (AND p0 (NOT p1) (NOT p3))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 10 factoid took 395 ms. Reduced automaton from 7 states, 16 edges and 4 AP (stutter sensitive) to 7 states, 16 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 267 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 1657 steps (3 resets) in 15 ms. (103 steps per ms) remains 0/12 properties
Knowledge obtained : [(AND p0 (NOT p1) (NOT p3) p2), (X p2), (X (NOT p3)), (X (NOT (AND (NOT p2) (NOT p3)))), (X (X p2)), (X (X (NOT p3))), (X (X (NOT (OR (AND p0 (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3)))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1) (NOT p3)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (OR (AND p0 (NOT p3)) (AND p1 (NOT p3))))), (X (X (NOT (OR (AND p0 (NOT p3)) (AND p1 (NOT p3)))))), (X (X (AND p0 (NOT p1) (NOT p3)))), (X (X (NOT (AND p0 (NOT p1) (NOT p3))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (AND (OR p2 p3 (NOT p0)) (OR p2 p3 (NOT p1))))), (F (NOT (OR p3 p0 p1))), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (AND (NOT p3) p0 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (OR (AND (NOT p3) p0) (AND (NOT p3) p1)))), (F (NOT (OR p2 p3))), (F (NOT p2)), (F (NOT (OR p2 p1))), (F p3), (F p1), (F (NOT p0))]
Knowledge based reduction with 10 factoid took 817 ms. Reduced automaton from 7 states, 16 edges and 4 AP (stutter sensitive) to 7 states, 16 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 249 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 279 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
[2025-06-04 06:49:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:49:38] [INFO ] [Real]Absence check using 19 positive place invariants in 4 ms returned sat
[2025-06-04 06:49:38] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-06-04 06:49:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:49:38] [INFO ] [Nat]Absence check using 19 positive place invariants in 4 ms returned sat
[2025-06-04 06:49:38] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:38] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 3 ms to minimize.
[2025-06-04 06:49:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
[2025-06-04 06:49:38] [INFO ] Computed and/alt/rep : 106/237/106 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-04 06:49:39] [INFO ] Added : 91 causal constraints over 19 iterations in 299 ms. Result :sat
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 247 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
Product exploration explored 100000 steps with 5126 reset in 128 ms.
Product exploration explored 100000 steps with 5117 reset in 237 ms.
Applying partial POR strategy [false, true, false, true, true, true, true]
Stuttering acceptance computed with spot in 236 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), true, (NOT p1), (NOT p1), (NOT p2)]
Support contains 8 out of 109 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 109/109 places, 107/107 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 109 transition count 107
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 5 Pre rules applied. Total rules applied 9 place count 109 transition count 109
Deduced a syphon composed of 14 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 14 place count 109 transition count 109
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 50 places in 0 ms
Iterating global reduction 1 with 36 rules applied. Total rules applied 50 place count 109 transition count 109
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 62 place count 97 transition count 97
Deduced a syphon composed of 38 places in 0 ms
Iterating global reduction 1 with 12 rules applied. Total rules applied 74 place count 97 transition count 97
Deduced a syphon composed of 38 places in 0 ms
Applied a total of 74 rules in 16 ms. Remains 97 /109 variables (removed 12) and now considering 97/107 (removed 10) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:49:40] [INFO ] Redundant transitions in 13 ms returned [96]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT only with invariants) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 95 sub problems to find dead transitions.
// Phase 1: matrix 96 rows 97 cols
[2025-06-04 06:49:40] [INFO ] Computed 19 invariants in 1 ms
[2025-06-04 06:49:40] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 1 (OVERLAPS) 1/97 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 95 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 1 ms to minimize.
Problem TDEAD3 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 2 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 2 ms to minimize.
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 3 ms to minimize.
Problem TDEAD16 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 1 ms to minimize.
Problem TDEAD17 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 2 ms to minimize.
Problem TDEAD18 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 7 places in 19 ms of which 2 ms to minimize.
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 1 ms to minimize.
Problem TDEAD25 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:40] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:41] [INFO ] Deduced a trap 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
[2025-06-04 06:49:41] [INFO ] Deduced a trap composed of 5 places in 18 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
[2025-06-04 06:49:41] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
Problem TDEAD32 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:41] [INFO ] Deduced a trap composed of 5 places in 22 ms of which 2 ms to minimize.
Problem TDEAD33 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:41] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 2 ms to minimize.
Problem TDEAD35 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:41] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 2 ms to minimize.
Problem TDEAD38 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:41] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 2 ms to minimize.
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD73 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:41] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 2 ms to minimize.
Problem TDEAD0 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD13 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 TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD92 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 20/39 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/39 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 4 (OVERLAPS) 96/193 variables, 97/136 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 3/139 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/139 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/139 constraints. Problems are: Problem set: 40 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 139 constraints, problems are : Problem set: 40 solved, 55 unsolved in 1903 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 97/97 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 95/95 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 1 (OVERLAPS) 39/97 variables, 19/19 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 20/39 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/39 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 4 (OVERLAPS) 96/193 variables, 97/136 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 3/139 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 55/194 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:42] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:42] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:42] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 3/197 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:43] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 1/198 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:44] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:44] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:44] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/193 variables, 3/201 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:44] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:44] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:45] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/193 variables, 3/204 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:46] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:46] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/193 variables, 2/206 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:47] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:47] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/193 variables, 2/208 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:48] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:48] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/193 variables, 2/210 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:49] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/193 variables, 1/211 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:50] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:50] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/193 variables, 2/213 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:52] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/193 variables, 1/214 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:53] [INFO ] Deduced a trap along path composed of 2 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:54] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/193 variables, 2/216 constraints. Problems are: Problem set: 40 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:49:56] [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
[2025-06-04 06:49:56] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/193 variables, 2/218 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/218 constraints. Problems are: Problem set: 40 solved, 55 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/218 constraints. Problems are: Problem set: 40 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 218 constraints, problems are : Problem set: 40 solved, 55 unsolved in 20207 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 97/97 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 55/95 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 22120ms problems are : Problem set: 40 solved, 55 unsolved
Search for dead transitions found 40 dead transitions in 22121ms
Found 40 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 40 transitions
Dead transitions reduction (with SMT) removed 40 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 97/109 places, 56/107 transitions.
Graph (complete) has 184 edges and 97 vertex of which 59 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.1 ms
Discarding 38 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 59 /97 variables (removed 38) and now considering 56/56 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 59/109 places, 56/107 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 22161 ms. Remains : 59/109 places, 56/107 transitions.
Built C files in :
/tmp/ltsmin3185485490877354157
[2025-06-04 06:50:02] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3185485490877354157
Running compilation step : cd /tmp/ltsmin3185485490877354157;'/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 185 ms.
Running link step : cd /tmp/ltsmin3185485490877354157;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 27 ms.
Running LTSmin : cd /tmp/ltsmin3185485490877354157;'/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/stateBased930648901871862999.hoa' '--buchi-type=spotba'
LTSmin run took 1068 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-07 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldIIPs-PT-002B-LTLFireability-07 finished in 118492 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||G(p1)))))'
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 110 transition count 98
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 100 transition count 98
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 20 place count 100 transition count 87
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 42 place count 89 transition count 87
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 87 transition count 85
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 87 transition count 85
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
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 110 place count 55 transition count 53
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 112 place count 53 transition count 51
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 113 place count 52 transition count 51
Applied a total of 113 rules in 14 ms. Remains 52 /111 variables (removed 59) and now considering 51/109 (removed 58) transitions.
// Phase 1: matrix 51 rows 52 cols
[2025-06-04 06:50:03] [INFO ] Computed 18 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:50:03] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-04 06:50:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:50:03] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:50:03] [INFO ] Redundant transitions in 15 ms returned [50]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 47 sub problems to find dead transitions.
// Phase 1: matrix 50 rows 52 cols
[2025-06-04 06:50:03] [INFO ] Computed 18 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:03] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 2/52 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:04] [INFO ] Deduced a trap composed of 9 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:04] [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
[2025-06-04 06:50:04] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 50/102 variables, 52/74 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 0/102 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 102/102 variables, and 74 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1019 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 52/52 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 2/52 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 50/102 variables, 52/74 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 47/121 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:04] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:05] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:05] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:05] [INFO ] Deduced a trap composed of 8 places in 21 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/102 variables, 3/125 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 11 (OVERLAPS) 0/102 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 102/102 variables, and 125 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1274 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 52/52 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2302ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 2303ms
Starting structural reductions in SI_LTL mode, iteration 1 : 52/111 places, 50/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 52 /52 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2420 ms. Remains : 52/111 places, 50/109 transitions.
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-08
Stuttering criterion allowed to conclude after 11623 steps with 318 reset in 23 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-08 finished in 2520 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G(!p0))) U (F(p1)&&X(p2))))'
Support contains 6 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 3 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
// Phase 1: matrix 106 rows 108 cols
[2025-06-04 06:50:06] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:50:06] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-04 06:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:50:06] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:06] [INFO ] Deduced a trap composed of 32 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:06] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:06] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:06] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [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
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:07] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:08] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:08] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:08] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:08] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:08] [INFO ] Deduced a trap composed of 22 places in 24 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:08] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:08] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:09] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:10] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:10] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:10] [INFO ] Deduced a trap composed of 26 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:10] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:10] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:10] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:10] [INFO ] Deduced a trap composed of 30 places in 38 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:11] [INFO ] Deduced a trap composed of 33 places in 37 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:11] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:12] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:12] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:13] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:13] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:13] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:13] [INFO ] Deduced a trap composed of 29 places in 37 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:14] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 0 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10183 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:16] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:16] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:17] [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
[2025-06-04 06:50:17] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:17] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:18] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:18] [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
[2025-06-04 06:50:18] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:18] [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
[2025-06-04 06:50:18] [INFO ] Deduced a trap composed of 23 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:19] [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
[2025-06-04 06:50:19] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:19] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:20] [INFO ] Deduced a trap composed of 23 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:20] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:20] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:20] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:20] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:21] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:23] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:30] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:35] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:40] [INFO ] Deduced a trap composed of 22 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:40] [INFO ] Deduced a trap composed of 20 places in 27 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:46] [INFO ] Deduced a trap along path composed of 7 places in 23 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 297 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 40208ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40208ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40335 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), p0, true]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-09
Entered a terminal (fully accepting) state of product in 304 steps with 7 reset in 1 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-09 finished in 40530 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 1 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 108 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 108 transition count 106
Applied a total of 6 rules in 1 ms. Remains 108 /111 variables (removed 3) and now considering 106/109 (removed 3) transitions.
[2025-06-04 06:50:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:50:46] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-04 06:50:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:50:46] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
Running 105 sub problems to find dead transitions.
[2025-06-04 06:50:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 32 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [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
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [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
[2025-06-04 06:50:47] [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
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [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
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:47] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 15/34 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:48] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:48] [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
[2025-06-04 06:50:48] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:48] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:48] [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
[2025-06-04 06:50:48] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:49] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:49] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/108 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 106/214 variables, 108/150 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:50] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:50] [INFO ] Deduced a trap composed of 16 places in 76 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:51] [INFO ] Deduced a trap composed of 22 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:51] [INFO ] Deduced a trap composed of 26 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:51] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:51] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:51] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:51] [INFO ] Deduced a trap composed of 30 places in 36 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 7/158 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:51] [INFO ] Deduced a trap composed of 33 places in 37 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:52] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:52] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:53] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:53] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:53] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 2/164 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:54] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:54] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:55] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/214 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 19 (OVERLAPS) 0/214 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 214/214 variables, and 167 constraints, problems are : Problem set: 0 solved, 105 unsolved in 10490 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 1/108 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 39/58 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:57] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:57] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 106/214 variables, 108/168 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/214 variables, 105/273 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:58] [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
[2025-06-04 06:50:58] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:58] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:58] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:58] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:59] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:59] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:50:59] [INFO ] Deduced a trap composed of 23 places in 28 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/214 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:00] [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
[2025-06-04 06:51:00] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:00] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/284 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:01] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:01] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:01] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:01] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:01] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:02] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/214 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:04] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/214 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/214 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:12] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/214 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:16] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/214 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:21] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:21] [INFO ] Deduced a trap composed of 20 places in 23 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/214 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 214/214 variables, and 296 constraints, problems are : Problem set: 0 solved, 105 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 108/108 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 40513ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 40513ms
Starting structural reductions in LTL mode, iteration 1 : 108/111 places, 106/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40622 ms. Remains : 108/111 places, 106/109 transitions.
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-10
Entered a terminal (fully accepting) state of product in 41 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-10 finished in 40764 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 110 transition count 97
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 99 transition count 97
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 22 place count 99 transition count 87
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 42 place count 89 transition count 87
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 86 transition count 84
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 86 transition count 84
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 48 place count 86 transition count 83
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 85 transition count 83
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
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 114 place count 53 transition count 51
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 116 place count 51 transition count 49
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 117 place count 50 transition count 49
Applied a total of 117 rules in 15 ms. Remains 50 /111 variables (removed 61) and now considering 49/109 (removed 60) transitions.
// Phase 1: matrix 49 rows 50 cols
[2025-06-04 06:51:27] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:27] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-04 06:51:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:27] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:51:27] [INFO ] Redundant transitions in 15 ms returned [48]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 46 sub problems to find dead transitions.
// Phase 1: matrix 48 rows 50 cols
[2025-06-04 06:51:27] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:27] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:27] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:27] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (OVERLAPS) 1/50 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:27] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:27] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:27] [INFO ] Deduced a trap composed of 11 places in 23 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 48/98 variables, 50/74 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:28] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:28] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:28] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/98 variables, 3/77 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/98 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:28] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:28] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/98 variables, 2/79 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:28] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/98 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:29] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/98 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 14 (OVERLAPS) 0/98 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 98/98 variables, and 81 constraints, problems are : Problem set: 0 solved, 46 unsolved in 2087 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (OVERLAPS) 1/50 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 48/98 variables, 50/81 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/98 variables, 46/127 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/98 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (OVERLAPS) 0/98 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 98/98 variables, and 127 constraints, problems are : Problem set: 0 solved, 46 unsolved in 929 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3032ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 3033ms
Starting structural reductions in SI_LTL mode, iteration 1 : 50/111 places, 48/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 50 /50 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3157 ms. Remains : 50/111 places, 48/109 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-11
Product exploration explored 100000 steps with 5683 reset in 193 ms.
Product exploration explored 100000 steps with 5656 reset in 184 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 67 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 61 steps (0 resets) in 4 ms. (12 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 97 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
[2025-06-04 06:51:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:51:31] [INFO ] [Real]Absence check using 18 positive place invariants in 2 ms returned sat
[2025-06-04 06:51:31] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-04 06:51:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:51:31] [INFO ] [Nat]Absence check using 18 positive place invariants in 2 ms returned sat
[2025-06-04 06:51:31] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-04 06:51:31] [INFO ] Computed and/alt/rep : 46/108/46 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-04 06:51:31] [INFO ] Added : 37 causal constraints over 9 iterations in 72 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 48/48 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2025-06-04 06:51:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:31] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-04 06:51:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:31] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:51:31] [INFO ] Redundant transitions in 12 ms returned []
Running 46 sub problems to find dead transitions.
[2025-06-04 06:51:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:31] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:31] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:31] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (OVERLAPS) 1/50 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:31] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:31] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:31] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 48/98 variables, 50/74 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/98 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:32] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/98 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/98 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 10 (OVERLAPS) 0/98 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 98/98 variables, and 75 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1347 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (OVERLAPS) 1/50 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 48/98 variables, 50/75 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/98 variables, 46/121 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/98 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:33] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/98 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 11 (OVERLAPS) 0/98 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 98/98 variables, and 122 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1436 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2790ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 2790ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2887 ms. Remains : 50/50 places, 48/48 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 76 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
RANDOM walk for 77 steps (0 resets) in 4 ms. (15 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 90 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
[2025-06-04 06:51:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:51:34] [INFO ] [Real]Absence check using 18 positive place invariants in 3 ms returned sat
[2025-06-04 06:51:34] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-04 06:51:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 06:51:34] [INFO ] [Nat]Absence check using 18 positive place invariants in 2 ms returned sat
[2025-06-04 06:51:34] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-04 06:51:34] [INFO ] Computed and/alt/rep : 46/108/46 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-04 06:51:34] [INFO ] Added : 37 causal constraints over 9 iterations in 61 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Product exploration explored 100000 steps with 5691 reset in 101 ms.
Product exploration explored 100000 steps with 5680 reset in 117 ms.
Built C files in :
/tmp/ltsmin9654534157312415389
[2025-06-04 06:51:34] [INFO ] Computing symmetric may disable matrix : 48 transitions.
[2025-06-04 06:51:34] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:51:34] [INFO ] Computing symmetric may enable matrix : 48 transitions.
[2025-06-04 06:51:34] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:51:34] [INFO ] Computing Do-Not-Accords matrix : 48 transitions.
[2025-06-04 06:51:34] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:51:34] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9654534157312415389
Running compilation step : cd /tmp/ltsmin9654534157312415389;'/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 122 ms.
Running link step : cd /tmp/ltsmin9654534157312415389;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 28 ms.
Running LTSmin : cd /tmp/ltsmin9654534157312415389;'/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/stateBased886228486381649621.hoa' '--buchi-type=spotba'
LTSmin run took 457 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-11 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldIIPs-PT-002B-LTLFireability-11 finished in 8274 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 110 transition count 98
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 100 transition count 98
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 20 place count 100 transition count 87
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 42 place count 89 transition count 87
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 87 transition count 85
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 87 transition count 85
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 2 with 66 rules applied. Total rules applied 112 place count 54 transition count 52
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 114 place count 52 transition count 50
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 115 place count 51 transition count 50
Applied a total of 115 rules in 14 ms. Remains 51 /111 variables (removed 60) and now considering 50/109 (removed 59) transitions.
// Phase 1: matrix 50 rows 51 cols
[2025-06-04 06:51:35] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:35] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 06:51:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:35] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:51:35] [INFO ] Redundant transitions in 13 ms returned [49]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 47 sub problems to find dead transitions.
// Phase 1: matrix 49 rows 51 cols
[2025-06-04 06:51:35] [INFO ] Computed 18 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:35] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:35] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 1/51 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap composed of 5 places in 21 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/51 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 49/100 variables, 51/76 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap along path composed of 4 places in 21 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:36] [INFO ] Deduced a trap composed of 9 places in 21 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 2/79 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (OVERLAPS) 0/100 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 79 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1477 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 1/51 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/51 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 49/100 variables, 51/78 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 47/125 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:37] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:37] [INFO ] Deduced a trap composed of 8 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:37] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:37] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:37] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/100 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 12 (OVERLAPS) 0/100 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 131 constraints, problems are : Problem set: 0 solved, 47 unsolved in 2768 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4252ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 4252ms
Starting structural reductions in SI_LTL mode, iteration 1 : 51/111 places, 49/109 transitions.
Applied a total of 0 rules in 3 ms. Remains 51 /51 variables (removed 0) and now considering 49/49 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4378 ms. Remains : 51/111 places, 49/109 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-12
Stuttering criterion allowed to conclude after 160 steps with 0 reset in 1 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-12 finished in 4467 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 110 transition count 99
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 101 transition count 99
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 18 place count 101 transition count 88
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 40 place count 90 transition count 88
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 42 place count 88 transition count 86
Iterating global reduction 2 with 2 rules applied. Total rules applied 44 place count 88 transition count 86
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 2 with 66 rules applied. Total rules applied 110 place count 55 transition count 53
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 112 place count 53 transition count 51
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 113 place count 52 transition count 51
Applied a total of 113 rules in 9 ms. Remains 52 /111 variables (removed 59) and now considering 51/109 (removed 58) transitions.
// Phase 1: matrix 51 rows 52 cols
[2025-06-04 06:51:40] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:40] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-04 06:51:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:40] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:51:40] [INFO ] Redundant transitions in 13 ms returned [50]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 47 sub problems to find dead transitions.
// Phase 1: matrix 50 rows 52 cols
[2025-06-04 06:51:40] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 2/52 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 9 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap 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
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 5 places in 20 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:40] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (OVERLAPS) 50/102 variables, 52/80 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:41] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:41] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 2 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/102 variables, 2/82 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 11 (OVERLAPS) 0/102 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 102/102 variables, and 82 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1652 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 52/52 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 12/28 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 2/52 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (OVERLAPS) 50/102 variables, 52/82 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 47/129 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:42] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:42] [INFO ] Deduced a trap along path composed of 4 places in 20 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:42] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:42] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/102 variables, 2/133 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 11 (OVERLAPS) 0/102 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 102/102 variables, and 133 constraints, problems are : Problem set: 0 solved, 47 unsolved in 2200 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 52/52 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3858ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3858ms
Starting structural reductions in SI_LTL mode, iteration 1 : 52/111 places, 50/109 transitions.
Applied a total of 0 rules in 4 ms. Remains 52 /52 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3963 ms. Remains : 52/111 places, 50/109 transitions.
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-13
Stuttering criterion allowed to conclude after 166 steps with 0 reset in 1 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-13 finished in 4078 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)||G(p1))))'
Support contains 2 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 110 transition count 97
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 99 transition count 97
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 22 place count 99 transition count 86
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 44 place count 88 transition count 86
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 47 place count 85 transition count 83
Iterating global reduction 2 with 3 rules applied. Total rules applied 50 place count 85 transition count 83
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 50 place count 85 transition count 82
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 52 place count 84 transition count 82
Performed 31 Post agglomeration using F-continuation condition.Transition count delta: 31
Deduced a syphon composed of 31 places in 0 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 62 rules applied. Total rules applied 114 place count 53 transition count 51
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 116 place count 51 transition count 49
Applied a total of 116 rules in 12 ms. Remains 51 /111 variables (removed 60) and now considering 49/109 (removed 60) transitions.
// Phase 1: matrix 49 rows 51 cols
[2025-06-04 06:51:44] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:44] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 06:51:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:44] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:51:44] [INFO ] Redundant transitions in 13 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-04 06:51:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 49/100 variables, 51/78 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:44] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 2/80 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:45] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 81 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1312 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 49/100 variables, 51/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 48/129 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:45] [INFO ] Deduced a trap composed of 7 places in 23 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:46] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 131 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1386 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2703ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 2703ms
Starting structural reductions in SI_LTL mode, iteration 1 : 51/111 places, 49/109 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2816 ms. Remains : 51/111 places, 49/109 transitions.
Stuttering acceptance computed with spot in 34 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-14
Product exploration explored 100000 steps with 738 reset in 165 ms.
Product exploration explored 100000 steps with 736 reset in 279 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 10 factoid took 256 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 283 steps (0 resets) in 5 ms. (47 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 p1))), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 10 factoid took 453 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 46 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 45 ms :[(AND (NOT p0) (NOT p1))]
Support contains 2 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 49/49 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 49/49 (removed 0) transitions.
[2025-06-04 06:51:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:48] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-04 06:51:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:48] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:51:48] [INFO ] Redundant transitions in 13 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-04 06:51:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:48] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 49/100 variables, 51/78 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:49] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:49] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 2/80 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:49] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 81 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1347 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 49/100 variables, 51/81 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 48/129 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:50] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:50] [INFO ] Deduced a trap composed of 8 places in 18 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 131 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1331 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2684ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 2684ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2783 ms. Remains : 51/51 places, 49/49 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 10 factoid took 298 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 968 steps (5 resets) in 7 ms. (121 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 p1))), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 10 factoid took 463 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 736 reset in 169 ms.
Stack based approach found an accepted trace after 32777 steps with 238 reset with depth 111 and stack size 111 in 55 ms.
FORMULA ShieldIIPs-PT-002B-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPs-PT-002B-LTLFireability-14 finished in 8098 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&G(p1)))'
Support contains 5 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 109/109 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 110 transition count 99
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 101 transition count 99
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 18 place count 101 transition count 88
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 40 place count 90 transition count 88
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 87 transition count 85
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 87 transition count 85
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 46 place count 87 transition count 84
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 48 place count 86 transition count 84
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 106 place count 57 transition count 55
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 55 transition count 53
Applied a total of 108 rules in 10 ms. Remains 55 /111 variables (removed 56) and now considering 53/109 (removed 56) transitions.
// Phase 1: matrix 53 rows 55 cols
[2025-06-04 06:51:52] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:52] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 06:51:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:51:52] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-04 06:51:52] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:51:52] [INFO ] Redundant transitions in 13 ms returned [52]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 50 sub problems to find dead transitions.
// Phase 1: matrix 52 rows 55 cols
[2025-06-04 06:51:52] [INFO ] Computed 19 invariants in 0 ms
[2025-06-04 06:51:52] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:52] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:52] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (OVERLAPS) 2/55 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:52] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:52] [INFO ] Deduced a trap composed of 8 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:52] [INFO ] Deduced a trap composed of 8 places in 16 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:52] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:52] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:53] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:53] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:53] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 7 (OVERLAPS) 52/107 variables, 55/84 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/107 variables, 3/87 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:53] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:53] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/107 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/107 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:53] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 3 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/107 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/107 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:54] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:54] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/107 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/107 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 15 (OVERLAPS) 0/107 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Real declared 107/107 variables, and 92 constraints, problems are : Problem set: 0 solved, 50 unsolved in 2163 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (OVERLAPS) 2/55 variables, 9/28 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 6/34 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 6 (OVERLAPS) 52/107 variables, 55/89 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 3/92 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/107 variables, 50/142 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:54] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:55] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/107 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:55] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:51:55] [INFO ] Deduced a trap along path composed of 9 places in 16 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/107 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/107 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 12 (OVERLAPS) 0/107 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Int declared 107/107 variables, and 146 constraints, problems are : Problem set: 0 solved, 50 unsolved in 2622 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4793ms problems are : Problem set: 0 solved, 50 unsolved
Search for dead transitions found 0 dead transitions in 4793ms
Starting structural reductions in SI_LTL mode, iteration 1 : 55/111 places, 52/109 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 52/52 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4919 ms. Remains : 55/111 places, 52/109 transitions.
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldIIPs-PT-002B-LTLFireability-15
Product exploration explored 100000 steps with 658 reset in 167 ms.
Product exploration explored 100000 steps with 655 reset in 182 ms.
Computed a total of 4 stabilizing places and 3 stable transitions
Computed a total of 4 stabilizing places and 3 stable transitions
Detected a total of 4/55 stabilizing places and 3/52 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 p0), (X p1), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X p0), (X (NOT p0)), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1))))]
Knowledge based reduction with 4 factoid took 383 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[true, (NOT p1)]
RANDOM walk for 40000 steps (264 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (62 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3159469 steps, run timeout after 3001 ms. (steps per millisecond=1052 ) properties seen :0 out of 1
Probabilistic random walk after 3159469 steps, saw 494431 distinct states, run finished after 3001 ms. (steps per millisecond=1052 ) properties seen :0
[2025-06-04 06:52:01] [INFO ] Invariant cache hit.
[2025-06-04 06:52:01] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/28 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:01] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 28/56 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/72 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/72 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/74 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/74 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/74 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/97 variables, 12/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/97 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/97 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/98 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/98 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/98 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/100 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/100 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/100 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 24 (OVERLAPS) 7/107 variables, 6/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/107 variables, 3/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/107 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/107 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 107/107 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/28 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 28/56 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/72 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/72 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/72 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/74 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/74 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/74 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 23/97 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/97 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/97 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/98 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/98 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/98 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/100 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/100 variables, 2/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/100 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 7/107 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/107 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:01] [INFO ] Deduced a trap along path composed of 9 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:01] [INFO ] Deduced a trap along path composed of 8 places in 19 ms of which 1 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/107 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/107 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/107 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 107/107 variables, and 81 constraints, problems are : Problem set: 0 solved, 1 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 326ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 52/52 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 54 transition count 51
Partial Free-agglomeration rule applied 13 times.
Drop transitions (Partial Free agglomeration) removed 13 transitions
Iterating global reduction 0 with 13 rules applied. Total rules applied 15 place count 54 transition count 51
Applied a total of 15 rules in 4 ms. Remains 54 /55 variables (removed 1) and now considering 51/52 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 54/55 places, 51/52 transitions.
RANDOM walk for 40000 steps (8 resets) in 58 ms. (677 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3071265 steps, run timeout after 3001 ms. (steps per millisecond=1023 ) properties seen :0 out of 1
Probabilistic random walk after 3071265 steps, saw 618647 distinct states, run finished after 3001 ms. (steps per millisecond=1023 ) properties seen :0
// Phase 1: matrix 51 rows 54 cols
[2025-06-04 06:52:04] [INFO ] Computed 19 invariants in 2 ms
[2025-06-04 06:52:04] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/25 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/56 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/72 variables, 6/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/72 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 23/95 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/95 variables, 3/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/95 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/96 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/96 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/96 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/98 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/98 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/98 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 7/105 variables, 6/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/105 variables, 3/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/105 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/105 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 105/105 variables, and 76 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/25 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/56 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/72 variables, 6/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/72 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:04] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:04] [INFO ] Deduced a trap composed of 7 places in 18 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/72 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/72 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/95 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/96 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/96 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/96 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/98 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/98 variables, 2/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/98 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 7/105 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/105 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/105 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/105 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 105/105 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 261ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 4 out of 54 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 54/54 places, 51/51 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 51/51 (removed 0) transitions.
[2025-06-04 06:52:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:04] [INFO ] Implicit Places using invariants in 43 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 53/54 places, 51/51 transitions.
Applied a total of 0 rules in 0 ms. Remains 53 /53 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 45 ms. Remains : 53/54 places, 51/51 transitions.
RANDOM walk for 40000 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3184227 steps, run timeout after 3001 ms. (steps per millisecond=1061 ) properties seen :0 out of 1
Probabilistic random walk after 3184227 steps, saw 620097 distinct states, run finished after 3001 ms. (steps per millisecond=1061 ) properties seen :0
// Phase 1: matrix 51 rows 53 cols
[2025-06-04 06:52:07] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/24 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/55 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/71 variables, 6/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/71 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/71 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 23/94 variables, 12/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/94 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/94 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/95 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/97 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/97 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/97 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 7/104 variables, 6/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/104 variables, 3/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/104 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/104 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 71 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/24 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:07] [INFO ] Deduced a trap composed of 7 places in 18 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 29/55 variables, 26/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/55 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/71 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/71 variables, 2/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/71 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:08] [INFO ] Deduced a trap composed of 5 places in 19 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/71 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/71 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/94 variables, 12/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/94 variables, 3/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/94 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/95 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/95 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/95 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/97 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/97 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/97 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 7/104 variables, 6/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/104 variables, 3/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/104 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/104 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 74 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 279ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 53/53 places, 51/51 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 51/51 (removed 0) transitions.
[2025-06-04 06:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:08] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-04 06:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:08] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:52:08] [INFO ] Redundant transitions in 0 ms returned []
Running 49 sub problems to find dead transitions.
[2025-06-04 06:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:08] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:08] [INFO ] Deduced a trap composed of 9 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:08] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 2/53 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:08] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:08] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:08] [INFO ] Deduced a trap 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
[2025-06-04 06:52:08] [INFO ] Deduced a trap composed of 9 places in 25 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 51/104 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:09] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:09] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:09] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:09] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (OVERLAPS) 0/104 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 82 constraints, problems are : Problem set: 0 solved, 49 unsolved in 1591 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 2/53 variables, 7/23 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 5/28 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:09] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (OVERLAPS) 51/104 variables, 53/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 49/131 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:10] [INFO ] Deduced a trap composed of 8 places in 22 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/104 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/104 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 13 (OVERLAPS) 0/104 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 133 constraints, problems are : Problem set: 0 solved, 49 unsolved in 5465 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 7070ms problems are : Problem set: 0 solved, 49 unsolved
Search for dead transitions found 0 dead transitions in 7070ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7182 ms. Remains : 53/53 places, 51/51 transitions.
Knowledge obtained : [(AND p1 p0), (X p1), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X p0), (X (NOT p0)), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p0)), (X (X (NOT p0))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1))))]
Knowledge based reduction with 4 factoid took 421 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 49 ms :[true, (NOT p1)]
Stuttering acceptance computed with spot in 51 ms :[true, (NOT p1)]
Support contains 4 out of 55 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 52/52 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 52/52 (removed 0) transitions.
// Phase 1: matrix 52 rows 55 cols
[2025-06-04 06:52:15] [INFO ] Computed 19 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:15] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 06:52:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-04 06:52:15] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:52:15] [INFO ] Redundant transitions in 15 ms returned []
Running 50 sub problems to find dead transitions.
[2025-06-04 06:52:15] [INFO ] Invariant cache hit.
[2025-06-04 06:52:15] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 4 (OVERLAPS) 2/55 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [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
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 8 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 7/29 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:16] [INFO ] Deduced a trap composed of 5 places in 27 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 8 (OVERLAPS) 52/107 variables, 55/85 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/107 variables, 3/88 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/107 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 11 (OVERLAPS) 0/107 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Real declared 107/107 variables, and 88 constraints, problems are : Problem set: 0 solved, 50 unsolved in 1368 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (OVERLAPS) 2/55 variables, 9/25 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 6 (OVERLAPS) 52/107 variables, 55/85 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 3/88 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/107 variables, 50/138 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:17] [INFO ] Deduced a trap composed of 8 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:17] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:17] [INFO ] Deduced a trap composed of 13 places in 19 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/107 variables, 3/141 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:17] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/107 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:18] [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
[2025-06-04 06:52:18] [INFO ] Deduced a trap along path composed of 8 places in 15 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/107 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:19] [INFO ] Deduced a trap along path composed of 9 places in 21 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/107 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:20] [INFO ] Deduced a trap composed of 8 places in 20 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/107 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/107 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 15 (OVERLAPS) 0/107 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Int declared 107/107 variables, and 146 constraints, problems are : Problem set: 0 solved, 50 unsolved in 6778 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 8152ms problems are : Problem set: 0 solved, 50 unsolved
Search for dead transitions found 0 dead transitions in 8153ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 8263 ms. Remains : 55/55 places, 52/52 transitions.
Computed a total of 4 stabilizing places and 3 stable transitions
Computed a total of 4 stabilizing places and 3 stable transitions
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 66 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[true, (NOT p1)]
RANDOM walk for 40000 steps (253 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (62 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3216363 steps, run timeout after 3001 ms. (steps per millisecond=1071 ) properties seen :0 out of 1
Probabilistic random walk after 3216363 steps, saw 505679 distinct states, run finished after 3001 ms. (steps per millisecond=1071 ) properties seen :0
[2025-06-04 06:52:27] [INFO ] Invariant cache hit.
[2025-06-04 06:52:27] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/28 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:27] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 28/56 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/72 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/72 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/74 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/74 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/74 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/97 variables, 12/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/97 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/97 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/98 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/98 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/98 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/100 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/100 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/100 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 24 (OVERLAPS) 7/107 variables, 6/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/107 variables, 3/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/107 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/107 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 107/107 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/18 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/28 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 28/56 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/72 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/72 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/72 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/74 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/74 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/74 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 23/97 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/97 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/97 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/98 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/98 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/98 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/100 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/100 variables, 2/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/100 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 7/107 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/107 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:27] [INFO ] Deduced a trap along path composed of 9 places in 15 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:27] [INFO ] Deduced a trap along path composed of 8 places in 15 ms of which 1 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/107 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/107 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/107 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 107/107 variables, and 81 constraints, problems are : Problem set: 0 solved, 1 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 55/55 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 310ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 52/52 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 54 transition count 51
Partial Free-agglomeration rule applied 13 times.
Drop transitions (Partial Free agglomeration) removed 13 transitions
Iterating global reduction 0 with 13 rules applied. Total rules applied 15 place count 54 transition count 51
Applied a total of 15 rules in 2 ms. Remains 54 /55 variables (removed 1) and now considering 51/52 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 54/55 places, 51/52 transitions.
RANDOM walk for 40000 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2945849 steps, run timeout after 3001 ms. (steps per millisecond=981 ) properties seen :0 out of 1
Probabilistic random walk after 2945849 steps, saw 610748 distinct states, run finished after 3001 ms. (steps per millisecond=981 ) properties seen :0
// Phase 1: matrix 51 rows 54 cols
[2025-06-04 06:52:30] [INFO ] Computed 19 invariants in 2 ms
[2025-06-04 06:52:30] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/25 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/56 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/72 variables, 6/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/72 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 23/95 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/95 variables, 3/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/95 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/96 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/96 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/96 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/98 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/98 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/98 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 7/105 variables, 6/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/105 variables, 3/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/105 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/105 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 105/105 variables, and 76 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/25 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/56 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/72 variables, 6/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/72 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:30] [INFO ] Deduced a trap 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
[2025-06-04 06:52:30] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/72 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/72 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/95 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/96 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/96 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/96 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/98 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/98 variables, 2/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/98 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 7/105 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/105 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/105 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/105 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 105/105 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 267ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 4 out of 54 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 54/54 places, 51/51 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 51/51 (removed 0) transitions.
[2025-06-04 06:52:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:30] [INFO ] Implicit Places using invariants in 41 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 53/54 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 44 ms. Remains : 53/54 places, 51/51 transitions.
RANDOM walk for 40000 steps (8 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3039295 steps, run timeout after 3001 ms. (steps per millisecond=1012 ) properties seen :0 out of 1
Probabilistic random walk after 3039295 steps, saw 617801 distinct states, run finished after 3001 ms. (steps per millisecond=1012 ) properties seen :0
// Phase 1: matrix 51 rows 53 cols
[2025-06-04 06:52:33] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/24 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/55 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/71 variables, 6/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/71 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/71 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 23/94 variables, 12/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/94 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/94 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/95 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/95 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/95 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/97 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/97 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/97 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 7/104 variables, 6/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/104 variables, 3/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/104 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/104 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 71 constraints, problems are : Problem set: 0 solved, 1 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/24 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 29/55 variables, 26/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/55 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/71 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/71 variables, 2/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/71 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/71 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/71 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 23/94 variables, 12/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/94 variables, 3/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/94 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/95 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/95 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/95 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/97 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/97 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/97 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 7/104 variables, 6/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/104 variables, 3/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/104 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/104 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 74 constraints, problems are : Problem set: 0 solved, 1 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 274ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 51/51 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 53/53 places, 51/51 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 51/51 (removed 0) transitions.
[2025-06-04 06:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:34] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 06:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:34] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:52:34] [INFO ] Redundant transitions in 1 ms returned []
Running 49 sub problems to find dead transitions.
[2025-06-04 06:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 2/53 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 7 places in 18 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:34] [INFO ] Deduced a trap composed of 9 places in 17 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 51/104 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:35] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:35] [INFO ] Deduced a trap composed of 7 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:35] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:35] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 11 (OVERLAPS) 0/104 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 82 constraints, problems are : Problem set: 0 solved, 49 unsolved in 1644 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 2/53 variables, 7/23 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 5/28 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:36] [INFO ] Deduced a trap composed of 5 places in 20 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (OVERLAPS) 51/104 variables, 53/82 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 49/131 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:52:37] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/104 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/104 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 13 (OVERLAPS) 0/104 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 133 constraints, problems are : Problem set: 0 solved, 49 unsolved in 5474 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 7122ms problems are : Problem set: 0 solved, 49 unsolved
Search for dead transitions found 0 dead transitions in 7122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7229 ms. Remains : 53/53 places, 51/51 transitions.
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 81 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[true, (NOT p1)]
Stuttering acceptance computed with spot in 65 ms :[true, (NOT p1)]
Stuttering acceptance computed with spot in 42 ms :[true, (NOT p1)]
Product exploration explored 100000 steps with 659 reset in 136 ms.
Product exploration explored 100000 steps with 651 reset in 145 ms.
Built C files in :
/tmp/ltsmin13922468731925586839
[2025-06-04 06:52:42] [INFO ] Computing symmetric may disable matrix : 52 transitions.
[2025-06-04 06:52:42] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:52:42] [INFO ] Computing symmetric may enable matrix : 52 transitions.
[2025-06-04 06:52:42] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:52:42] [INFO ] Computing Do-Not-Accords matrix : 52 transitions.
[2025-06-04 06:52:42] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:52:42] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13922468731925586839
Running compilation step : cd /tmp/ltsmin13922468731925586839;'/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 133 ms.
Running link step : cd /tmp/ltsmin13922468731925586839;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin13922468731925586839;'/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/stateBased7675916759942338139.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 52/52 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 54 transition count 51
Applied a total of 2 rules in 5 ms. Remains 54 /55 variables (removed 1) and now considering 51/52 (removed 1) transitions.
// Phase 1: matrix 51 rows 54 cols
[2025-06-04 06:52:57] [INFO ] Computed 19 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:52:57] [INFO ] Implicit Places using invariants in 40 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 53/55 places, 51/52 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 47 ms. Remains : 53/55 places, 51/52 transitions.
Built C files in :
/tmp/ltsmin14245461536055126460
[2025-06-04 06:52:57] [INFO ] Computing symmetric may disable matrix : 51 transitions.
[2025-06-04 06:52:57] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:52:57] [INFO ] Computing symmetric may enable matrix : 51 transitions.
[2025-06-04 06:52:57] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:52:57] [INFO ] Computing Do-Not-Accords matrix : 51 transitions.
[2025-06-04 06:52:57] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 06:52:57] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14245461536055126460
Running compilation step : cd /tmp/ltsmin14245461536055126460;'/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 130 ms.
Running link step : cd /tmp/ltsmin14245461536055126460;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin14245461536055126460;'/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/stateBased17805268205319984908.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-04 06:53:12] [INFO ] Flatten gal took : 5 ms
[2025-06-04 06:53:12] [INFO ] Flatten gal took : 5 ms
[2025-06-04 06:53:12] [INFO ] Time to serialize gal into /tmp/LTL1378292026098322358.gal : 1 ms
[2025-06-04 06:53:12] [INFO ] Time to serialize properties into /tmp/LTL16882807058049473907.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/LTL1378292026098322358.gal' '-t' 'CGAL' '-hoa' '/tmp/aut14072797369795851469.hoa' '-atoms' '/tmp/LTL16882807058049473907.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/LTL16882807058049473907.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut14072797369795851469.hoa
Reverse transition relation is NOT exact ! Due to transitions t0.t71, t2, t4, t6, t7, t9, t11, t12.t45, t14, t15, t17, t18, t20, t21, t30, t96.t1, t50.t51....467
Computing Next relation with stutter on 22 deadlock states
42 unique states visited
0 strongly connected components in search stack
42 transitions explored
42 items max in DFS search stack
1448 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,0,14.5031,479124,1,0,387,1.85524e+06,125,409,1846,4.03123e+06,919
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA ShieldIIPs-PT-002B-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Detected timeout of ITS tools.
Treatment of property ShieldIIPs-PT-002B-LTLFireability-15 finished in 95184 ms.
All properties solved by simple procedures.
Total runtime 690485 ms.

BK_STOP 1749020007481

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldIIPs-PT-002B"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ShieldIIPs-PT-002B, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r198-tall-174894532400276"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-002B.tgz
mv ShieldIIPs-PT-002B execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' 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 ;