fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r198-tall-174894532400259
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ShieldIIPs-PT-001B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 144847.00 0.00 0.00 FFFTTFFFFTFFFTFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894532400259.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-001B, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894532400259
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K 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 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K 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 17K 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-001B-LTLCardinality-00
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-01
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-02
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-03
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-04
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-05
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-06
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-07
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-08
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-09
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-10
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-11
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-12
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-13
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-14
FORMULA_NAME ShieldIIPs-PT-001B-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749017756006

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPs-PT-001B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-04 06:15:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-04 06:15:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 06:15:57] [INFO ] Load time of PNML (sax parser for PT used): 43 ms
[2025-06-04 06:15:57] [INFO ] Transformed 63 places.
[2025-06-04 06:15:57] [INFO ] Transformed 62 transitions.
[2025-06-04 06:15:57] [INFO ] Found NUPN structural information;
[2025-06-04 06:15:57] [INFO ] Parsed PT model containing 63 places and 62 transitions and 184 arcs in 130 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-001B-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPs-PT-001B-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 63 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 63/63 places, 62/62 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 62 transition count 61
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 62 transition count 61
Applied a total of 2 rules in 16 ms. Remains 62 /63 variables (removed 1) and now considering 61/62 (removed 1) transitions.
// Phase 1: matrix 61 rows 62 cols
[2025-06-04 06:15:57] [INFO ] Computed 10 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:15:57] [INFO ] Implicit Places using invariants in 171 ms returned []
[2025-06-04 06:15:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:15:57] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 270 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-04 06:15:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [INFO ] Deduced a trap composed of 13 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 06:15:58] [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 06:15:58] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [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 06:15:58] [INFO ] Deduced a trap composed of 22 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 06:15:58] [INFO ] Deduced a trap composed of 18 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 06:15:58] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [INFO ] Deduced a trap composed of 22 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:58] [INFO ] Deduced a trap composed of 18 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 06:15:59] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:59] [INFO ] Deduced a trap composed of 6 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 06:15:59] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:59] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (OVERLAPS) 61/123 variables, 62/89 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:15:59] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:00] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:00] [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 06:16:00] [INFO ] Deduced a trap composed of 24 places in 29 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:00] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/123 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/123 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/123 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 123/123 variables, and 94 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3880 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:01] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:01] [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 06:16:01] [INFO ] Deduced a trap composed of 21 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 06:16:01] [INFO ] Deduced a trap composed of 17 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 06:16:02] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:02] [INFO ] Deduced a trap composed of 17 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 06:16:02] [INFO ] Deduced a trap composed of 22 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 06:16:02] [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 06:16:02] [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 06:16:02] [INFO ] Deduced a trap composed of 13 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 06:16:02] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/123 variables, 62/103 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 60/163 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:02] [INFO ] Deduced a trap composed of 19 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 06:16:02] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 2/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:03] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:03] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/123 variables, 1/167 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/123 variables, 2/169 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:04] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:04] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/123 variables, 2/171 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:05] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/123 variables, 1/172 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:06] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/123 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/123 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:08] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:08] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 2 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/123 variables, 2/175 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:09] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/123 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/123 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:12] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 2 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/123 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/123 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 21 (OVERLAPS) 0/123 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 123/123 variables, and 177 constraints, problems are : Problem set: 0 solved, 60 unsolved in 14394 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 43/43 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 18320ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 18337ms
Starting structural reductions in LTL mode, iteration 1 : 62/63 places, 61/62 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18638 ms. Remains : 62/63 places, 61/62 transitions.
Support contains 31 out of 62 places after structural reductions.
[2025-06-04 06:16:16] [INFO ] Flatten gal took : 21 ms
[2025-06-04 06:16:16] [INFO ] Flatten gal took : 8 ms
[2025-06-04 06:16:16] [INFO ] Input system was already deterministic with 61 transitions.
Reduction of identical properties reduced properties to check from 26 to 25
RANDOM walk for 10611 steps (4 resets) in 169 ms. (62 steps per ms) remains 0/25 properties
FORMULA ShieldIIPs-PT-001B-LTLCardinality-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 15 stabilizing places and 15 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 62 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 61 transition count 56
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 9 place count 57 transition count 55
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 56 transition count 55
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 10 place count 56 transition count 49
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 22 place count 50 transition count 49
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 27 place count 45 transition count 44
Iterating global reduction 3 with 5 rules applied. Total rules applied 32 place count 45 transition count 44
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 32 place count 45 transition count 43
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 34 place count 44 transition count 43
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 62 place count 30 transition count 29
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 63 place count 29 transition count 28
Applied a total of 63 rules in 20 ms. Remains 29 /62 variables (removed 33) and now considering 28/61 (removed 33) transitions.
// Phase 1: matrix 28 rows 29 cols
[2025-06-04 06:16:16] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:16] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-04 06:16:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:16] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-04 06:16:16] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:16:16] [INFO ] Redundant transitions in 15 ms returned [27]
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 26 sub problems to find dead transitions.
// Phase 1: matrix 27 rows 29 cols
[2025-06-04 06:16:16] [INFO ] Computed 10 invariants in 1 ms
[2025-06-04 06:16:16] [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) 0/28 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 1/29 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:17] [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 06:16:17] [INFO ] Deduced a trap composed of 4 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 06:16:17] [INFO ] Deduced a trap composed of 4 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 06:16:17] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 27/56 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 0/56 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 46 constraints, problems are : Problem set: 0 solved, 26 unsolved in 410 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 29/29 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 1/29 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 27/56 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 26/72 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:17] [INFO ] Deduced a trap along path 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 06:16:17] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:17] [INFO ] Deduced a trap along path composed of 4 places in 17 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 3/75 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/56 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (OVERLAPS) 0/56 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 75 constraints, problems are : Problem set: 0 solved, 26 unsolved in 701 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 29/29 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1121ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 1122ms
Starting structural reductions in SI_LTL mode, iteration 1 : 29/62 places, 27/61 transitions.
Applied a total of 0 rules in 5 ms. Remains 29 /29 variables (removed 0) and now considering 27/27 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1248 ms. Remains : 29/62 places, 27/61 transitions.
Stuttering acceptance computed with spot in 148 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-01
Stuttering criterion allowed to conclude after 157 steps with 0 reset in 7 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-01 finished in 1461 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((G((X(G(p1))||p0)) U (p2&&X(p3)))))'
Support contains 6 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 55 transition count 54
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 55 transition count 54
Applied a total of 14 rules in 5 ms. Remains 55 /62 variables (removed 7) and now considering 54/61 (removed 7) transitions.
// Phase 1: matrix 54 rows 55 cols
[2025-06-04 06:16:18] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:18] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-04 06:16:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:18] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 53 sub problems to find dead transitions.
[2025-06-04 06:16:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:18] [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 06:16:18] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:18] [INFO ] Deduced a trap composed of 10 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 06:16:18] [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 06:16:18] [INFO ] Deduced a trap composed of 14 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 06:16:18] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:18] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:18] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:19] [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 06:16:19] [INFO ] Deduced a trap composed of 22 places in 30 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:19] [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 06:16:19] [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 06:16:19] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:19] [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 06:16:19] [INFO ] Deduced a trap composed of 15 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 06:16:19] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 6/81 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:19] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:20] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:20] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (OVERLAPS) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 84 constraints, problems are : Problem set: 0 solved, 53 unsolved in 2702 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:21] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:21] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 53/137 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:21] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:21] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:21] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:21] [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 06:16:21] [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 06:16:21] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:22] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:24] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/109 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 14 (OVERLAPS) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 147 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5294 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 8005ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 8005ms
Starting structural reductions in LTL mode, iteration 1 : 55/62 places, 54/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8088 ms. Remains : 55/62 places, 54/61 transitions.
Stuttering acceptance computed with spot in 361 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) p2 (NOT p3)), true]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-03
Product exploration explored 100000 steps with 33333 reset in 181 ms.
Product exploration explored 100000 steps with 33333 reset in 133 ms.
Computed a total of 11 stabilizing places and 11 stable transitions
Computed a total of 11 stabilizing places and 11 stable transitions
Detected a total of 11/55 stabilizing places and 11/54 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p2 p0 p1 p3), (X p2), (X (AND p2 p0)), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p2 (NOT p0)))), (X (NOT (AND (NOT p2) p0))), (X p0), (X (X (AND p2 p0))), (X (X p3)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p0 (NOT p3))))), (X (X (NOT (AND p2 p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p0) (NOT p3))))), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X (NOT (OR (AND p2 p1 (NOT p3)) (AND p0 p1 (NOT p3)))))), (X (X p0)), (X (X p1)), (X (X (NOT (AND p2 (NOT p3))))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 24 factoid took 377 ms. Reduced automaton from 8 states, 22 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPs-PT-001B-LTLCardinality-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-03 finished in 9192 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((p0 U p1))||F(p2))))'
Support contains 5 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 57 transition count 56
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 57 transition count 56
Applied a total of 10 rules in 4 ms. Remains 57 /62 variables (removed 5) and now considering 56/61 (removed 5) transitions.
// Phase 1: matrix 56 rows 57 cols
[2025-06-04 06:16:27] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:27] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-04 06:16:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:27] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2025-06-04 06:16:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (OVERLAPS) 1/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:27] [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 06:16:27] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:27] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:27] [INFO ] Deduced a trap composed of 14 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 06:16:28] [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 06:16:28] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:28] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:28] [INFO ] Deduced a trap composed of 9 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 06:16:28] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:28] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:28] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/57 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/57 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 56/113 variables, 57/78 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:29] [INFO ] Deduced a trap along path composed of 5 places in 37 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/113 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/113 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 10 (OVERLAPS) 0/113 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 113/113 variables, and 79 constraints, problems are : Problem set: 0 solved, 55 unsolved in 2049 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 57/57 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (OVERLAPS) 1/57 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:29] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:29] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/57 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (OVERLAPS) 56/113 variables, 57/80 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/113 variables, 55/135 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:30] [INFO ] Deduced a trap composed of 16 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 06:16:30] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:30] [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 06:16:30] [INFO ] Deduced a trap composed of 22 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 06:16:30] [INFO ] Deduced a trap composed of 23 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 06:16:30] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:30] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/113 variables, 7/142 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:30] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:30] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:30] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/113 variables, 3/145 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:31] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:31] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/113 variables, 2/147 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:31] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/113 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/113 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:32] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/113 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:33] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/113 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/113 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 16 (OVERLAPS) 0/113 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 113/113 variables, and 151 constraints, problems are : Problem set: 0 solved, 55 unsolved in 6069 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 57/57 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 8128ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 8128ms
Starting structural reductions in LTL mode, iteration 1 : 57/62 places, 56/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8230 ms. Remains : 57/62 places, 56/61 transitions.
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-04
Product exploration explored 100000 steps with 50000 reset in 67 ms.
Product exploration explored 100000 steps with 50000 reset in 94 ms.
Computed a total of 12 stabilizing places and 12 stable transitions
Computed a total of 12 stabilizing places and 12 stable transitions
Detected a total of 12/57 stabilizing places and 12/56 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p2 p1 (NOT p0)), (X p2), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 14 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPs-PT-001B-LTLCardinality-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-04 finished in 8578 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 U (p2||G(!p1)))))))'
Support contains 6 out of 62 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 62 transition count 58
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 59 transition count 58
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 6 place count 59 transition count 53
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 16 place count 54 transition count 53
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 22 place count 48 transition count 47
Iterating global reduction 2 with 6 rules applied. Total rules applied 28 place count 48 transition count 47
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 28 place count 48 transition count 45
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 32 place count 46 transition count 45
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
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 54 place count 35 transition count 34
Applied a total of 54 rules in 40 ms. Remains 35 /62 variables (removed 27) and now considering 34/61 (removed 27) transitions.
// Phase 1: matrix 34 rows 35 cols
[2025-06-04 06:16:36] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:36] [INFO ] Implicit Places using invariants in 90 ms returned []
[2025-06-04 06:16:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:36] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-04 06:16:36] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:16:36] [INFO ] Redundant transitions in 14 ms returned [33]
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 32 sub problems to find dead transitions.
// Phase 1: matrix 33 rows 35 cols
[2025-06-04 06:16:36] [INFO ] Computed 10 invariants in 0 ms
[2025-06-04 06:16:36] [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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:36] [INFO ] Deduced a trap composed of 12 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 06:16:36] [INFO ] Deduced a trap composed of 7 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 06:16:36] [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 06:16:36] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:36] [INFO ] Deduced a trap composed of 8 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:36] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (OVERLAPS) 33/68 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 8 (OVERLAPS) 0/68 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Real declared 68/68 variables, and 54 constraints, problems are : Problem set: 0 solved, 32 unsolved in 718 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 35/35 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 33/68 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/68 variables, 32/86 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:37] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:37] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/68 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/68 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 10 (OVERLAPS) 0/68 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Int declared 68/68 variables, and 88 constraints, problems are : Problem set: 0 solved, 32 unsolved in 1146 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 35/35 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1885ms problems are : Problem set: 0 solved, 32 unsolved
Search for dead transitions found 0 dead transitions in 1886ms
Starting structural reductions in SI_LTL mode, iteration 1 : 35/62 places, 33/61 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 33/33 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2087 ms. Remains : 35/62 places, 33/61 transitions.
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND (NOT p2) p1)]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-05
Stuttering criterion allowed to conclude after 612 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-05 finished in 2219 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 62 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 61 transition count 55
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 56 transition count 55
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 10 place count 56 transition count 49
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 22 place count 50 transition count 49
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 28 place count 44 transition count 43
Iterating global reduction 2 with 6 rules applied. Total rules applied 34 place count 44 transition count 43
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 34 place count 44 transition count 40
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 40 place count 41 transition count 40
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 68 place count 27 transition count 26
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 69 place count 26 transition count 25
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 25 transition count 25
Applied a total of 70 rules in 8 ms. Remains 25 /62 variables (removed 37) and now considering 25/61 (removed 36) transitions.
// Phase 1: matrix 25 rows 25 cols
[2025-06-04 06:16:38] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:38] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-04 06:16:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:38] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:16:38] [INFO ] Redundant transitions in 12 ms returned [24]
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 23 sub problems to find dead transitions.
// Phase 1: matrix 24 rows 25 cols
[2025-06-04 06:16:38] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:38] [INFO ] Deduced a trap composed of 8 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 06:16:38] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 24/49 variables, 25/36 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/49 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:38] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
At refinement iteration 5 (OVERLAPS) 0/49 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/49 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (OVERLAPS) 0/49 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 49/49 variables, and 37 constraints, problems are : Problem set: 0 solved, 23 unsolved in 491 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 24/49 variables, 25/37 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/49 variables, 23/60 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/49 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 0/49 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Int declared 49/49 variables, and 60 constraints, problems are : Problem set: 0 solved, 23 unsolved in 294 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 817ms problems are : Problem set: 0 solved, 23 unsolved
Search for dead transitions found 0 dead transitions in 823ms
Starting structural reductions in SI_LTL mode, iteration 1 : 25/62 places, 24/61 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 961 ms. Remains : 25/62 places, 24/61 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-06
Stuttering criterion allowed to conclude after 1589 steps with 14 reset in 4 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-06 finished in 1052 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(G(p0)))'
Support contains 1 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 55 transition count 54
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 55 transition count 54
Applied a total of 14 rules in 3 ms. Remains 55 /62 variables (removed 7) and now considering 54/61 (removed 7) transitions.
// Phase 1: matrix 54 rows 55 cols
[2025-06-04 06:16:39] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:39] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-04 06:16:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:39] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Running 53 sub problems to find dead transitions.
[2025-06-04 06:16:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:39] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:39] [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 06:16:39] [INFO ] Deduced a trap composed of 10 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 06:16:39] [INFO ] Deduced a trap composed of 14 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 06:16:39] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:39] [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 06:16:40] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:40] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:40] [INFO ] Deduced a trap composed of 15 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 06:16:40] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:40] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:40] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:40] [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 06:16:40] [INFO ] Deduced a trap composed of 18 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 06:16:40] [INFO ] Deduced a trap composed of 15 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 06:16:41] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 6/81 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:41] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:41] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:41] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (OVERLAPS) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 84 constraints, problems are : Problem set: 0 solved, 53 unsolved in 2831 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:42] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:42] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 53/137 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:42] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:42] [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 06:16:42] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:43] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:43] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:43] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:43] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:45] [INFO ] Deduced a trap composed of 23 places in 29 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/109 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 14 (OVERLAPS) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 147 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5177 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 8033ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 8037ms
Starting structural reductions in LTL mode, iteration 1 : 55/62 places, 54/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8122 ms. Remains : 55/62 places, 54/61 transitions.
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 20 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-08 finished in 8207 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G(p0)||X(p1))))))'
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 56 transition count 55
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 56 transition count 55
Applied a total of 12 rules in 7 ms. Remains 56 /62 variables (removed 6) and now considering 55/61 (removed 6) transitions.
// Phase 1: matrix 55 rows 56 cols
[2025-06-04 06:16:47] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:47] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 06:16:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:16:47] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-04 06:16:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:47] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:47] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:47] [INFO ] Deduced a trap composed of 13 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 06:16:47] [INFO ] Deduced a trap composed of 10 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 06:16:48] [INFO ] Deduced a trap composed of 12 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 06:16:48] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:48] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:48] [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 06:16:48] [INFO ] Deduced a trap composed of 19 places in 22 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:48] [INFO ] Deduced a trap composed of 20 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 06:16:48] [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 06:16:48] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 55/111 variables, 56/78 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:48] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:49] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/111 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (OVERLAPS) 0/111 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 80 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2169 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 12/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (OVERLAPS) 55/111 variables, 56/78 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 54/132 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:50] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:50] [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 06:16:50] [INFO ] Deduced a trap composed of 16 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 06:16:50] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:50] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:50] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:51] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:52] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/111 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/111 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:53] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:54] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/111 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/111 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:55] [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 06:16:55] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:55] [INFO ] Deduced a trap composed of 20 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 06:16:55] [INFO ] Deduced a trap composed of 23 places in 28 ms of which 2 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/111 variables, 4/148 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:56] [INFO ] Deduced a trap along path composed of 8 places in 27 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/111 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:57] [INFO ] Deduced a trap along path composed of 13 places in 36 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/111 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:16:58] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/111 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/111 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 20 (OVERLAPS) 0/111 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 151 constraints, problems are : Problem set: 0 solved, 54 unsolved in 11770 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 13948ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 13949ms
Starting structural reductions in LTL mode, iteration 1 : 56/62 places, 55/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14042 ms. Remains : 56/62 places, 55/61 transitions.
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-09
Product exploration explored 100000 steps with 25000 reset in 91 ms.
Product exploration explored 100000 steps with 25000 reset in 93 ms.
Computed a total of 12 stabilizing places and 12 stable transitions
Computed a total of 12 stabilizing places and 12 stable transitions
Knowledge obtained : [(AND p0 p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 85 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 261 steps (0 resets) in 5 ms. (43 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 p1)]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 1 factoid took 176 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 56 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 56/56 places, 55/55 transitions.
Applied a total of 0 rules in 4 ms. Remains 56 /56 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2025-06-04 06:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:02] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-04 06:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:02] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-04 06:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [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 06:17:03] [INFO ] Deduced a trap composed of 9 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 06:17:03] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [INFO ] Deduced a trap composed of 10 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 06:17:03] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [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 06:17:03] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [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 06:17:03] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 55/111 variables, 56/78 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:03] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:04] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/111 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (OVERLAPS) 0/111 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 80 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2158 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 12/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (OVERLAPS) 55/111 variables, 56/78 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 54/132 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:05] [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 06:17:05] [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 06:17:05] [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 06:17:05] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:05] [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 06:17:05] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:06] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:07] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/111 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/111 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:09] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:09] [INFO ] Deduced a trap composed of 19 places in 23 ms of which 2 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/111 variables, 2/144 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/111 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:10] [INFO ] Deduced a trap composed of 17 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 06:17:10] [INFO ] Deduced a trap composed of 19 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 06:17:10] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:10] [INFO ] Deduced a trap composed of 23 places in 27 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/111 variables, 4/148 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:11] [INFO ] Deduced a trap along path composed of 8 places in 27 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/111 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:12] [INFO ] Deduced a trap along path composed of 13 places in 21 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/111 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:13] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/111 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/111 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 20 (OVERLAPS) 0/111 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 151 constraints, problems are : Problem set: 0 solved, 54 unsolved in 11764 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 13945ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 13946ms
Finished structural reductions in LTL mode , in 1 iterations and 14029 ms. Remains : 56/56 places, 55/55 transitions.
Computed a total of 12 stabilizing places and 12 stable transitions
Computed a total of 12 stabilizing places and 12 stable transitions
Knowledge obtained : [(AND p0 p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 81 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 373 steps (0 resets) in 6 ms. (53 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 p1)]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 1 factoid took 136 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 118 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 120 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 139 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 25000 reset in 60 ms.
Product exploration explored 100000 steps with 25000 reset in 59 ms.
Applying partial POR strategy [false, true, false, false]
Stuttering acceptance computed with spot in 140 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 56 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 56/56 places, 55/55 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 56 transition count 55
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 5 place count 56 transition count 59
Deduced a syphon composed of 9 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 56 transition count 59
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 28 places in 0 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 28 place count 56 transition count 59
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 35 place count 49 transition count 52
Deduced a syphon composed of 21 places in 0 ms
Iterating global reduction 1 with 7 rules applied. Total rules applied 42 place count 49 transition count 52
Deduced a syphon composed of 21 places in 0 ms
Applied a total of 42 rules in 11 ms. Remains 49 /56 variables (removed 7) and now considering 52/55 (removed 3) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:17:17] [INFO ] Redundant transitions in 14 ms returned [51]
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 50 sub problems to find dead transitions.
// Phase 1: matrix 51 rows 49 cols
[2025-06-04 06:17:17] [INFO ] Computed 10 invariants in 2 ms
[2025-06-04 06:17:17] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 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 06:17:18] [INFO ] Deduced a trap composed of 6 places in 34 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 06:17:18] [INFO ] Deduced a trap composed of 5 places in 27 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 06:17:18] [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 06:17:18] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 1 ms to minimize.
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:18] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:18] [INFO ] Deduced a trap composed of 5 places in 23 ms of which 3 ms to minimize.
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:18] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 3 ms to minimize.
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:18] [INFO ] Deduced a trap composed of 2 places in 20 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:18] [INFO ] Deduced a trap composed of 4 places in 17 ms of which 2 ms to minimize.
Problem TDEAD16 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD24 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:18] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
Problem TDEAD25 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD48 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 10/20 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/20 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 4 (OVERLAPS) 51/100 variables, 49/69 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 5/74 constraints. Problems are: Problem set: 25 solved, 25 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:18] [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 06:17:18] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 2/76 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/76 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/76 constraints. Problems are: Problem set: 25 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 76 constraints, problems are : Problem set: 25 solved, 25 unsolved in 843 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 49/49 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 25 solved, 25 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 22/49 variables, 10/10 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 12/22 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/22 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 4 (OVERLAPS) 51/100 variables, 49/71 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 5/76 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 25/101 constraints. Problems are: Problem set: 25 solved, 25 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:19] [INFO ] Deduced a trap composed of 11 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 06:17:19] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 2/103 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/103 constraints. Problems are: Problem set: 25 solved, 25 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/103 constraints. Problems are: Problem set: 25 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 103 constraints, problems are : Problem set: 25 solved, 25 unsolved in 941 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 49/49 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 25/50 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1816ms problems are : Problem set: 25 solved, 25 unsolved
Search for dead transitions found 25 dead transitions in 1817ms
Found 25 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 25 transitions
Dead transitions reduction (with SMT) removed 25 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 49/56 places, 26/55 transitions.
Graph (complete) has 88 edges and 49 vertex of which 28 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.3 ms
Discarding 21 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 12 ms. Remains 28 /49 variables (removed 21) and now considering 26/26 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/56 places, 26/55 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1861 ms. Remains : 28/56 places, 26/55 transitions.
Built C files in :
/tmp/ltsmin9589608098079974822
[2025-06-04 06:17:19] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9589608098079974822
Running compilation step : cd /tmp/ltsmin9589608098079974822;'/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 233 ms.
Running link step : cd /tmp/ltsmin9589608098079974822;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin9589608098079974822;'/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/stateBased12530062606164120341.hoa' '--buchi-type=spotba'
LTSmin run took 176 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-09 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-09 finished in 32800 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(G(p0)))'
Support contains 6 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 56 transition count 55
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 56 transition count 55
Applied a total of 12 rules in 1 ms. Remains 56 /62 variables (removed 6) and now considering 55/61 (removed 6) transitions.
// Phase 1: matrix 55 rows 56 cols
[2025-06-04 06:17:20] [INFO ] Computed 10 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:20] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-04 06:17:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:20] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-04 06:17:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:20] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:20] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:20] [INFO ] Deduced a trap composed of 10 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 06:17:20] [INFO ] Deduced a trap composed of 14 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 06:17:20] [INFO ] Deduced a trap composed of 15 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 06:17:20] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:21] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:21] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:21] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (OVERLAPS) 55/111 variables, 56/75 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:21] [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 06:17:21] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 2/77 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:21] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:22] [INFO ] Deduced a trap composed of 19 places in 23 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/111 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/111 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 13 (OVERLAPS) 0/111 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 79 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2542 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 13/23 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (OVERLAPS) 55/111 variables, 56/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 54/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:23] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:23] [INFO ] Deduced a trap composed of 15 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 06:17:23] [INFO ] Deduced a trap composed of 17 places in 19 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 2/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:23] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:23] [INFO ] Deduced a trap composed of 17 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 06:17:24] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:24] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:24] [INFO ] Deduced a trap along path composed of 3 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 06:17:24] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:24] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:25] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:25] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/111 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:26] [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 06:17:26] [INFO ] Deduced a trap composed of 23 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:26] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/111 variables, 3/148 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/111 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:27] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/111 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/111 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 16 (OVERLAPS) 0/111 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 149 constraints, problems are : Problem set: 0 solved, 54 unsolved in 8702 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 11253ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 11253ms
Starting structural reductions in LTL mode, iteration 1 : 56/62 places, 55/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11359 ms. Remains : 56/62 places, 55/61 transitions.
Stuttering acceptance computed with spot in 76 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-11 finished in 11445 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(G((p0 U p1))))'
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 56 transition count 55
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 56 transition count 55
Applied a total of 12 rules in 2 ms. Remains 56 /62 variables (removed 6) and now considering 55/61 (removed 6) transitions.
// Phase 1: matrix 55 rows 56 cols
[2025-06-04 06:17:31] [INFO ] Computed 10 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:31] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-04 06:17:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:31] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-04 06:17:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [INFO ] Deduced a trap composed of 17 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 06:17:32] [INFO ] Deduced a trap composed of 9 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 06:17:32] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [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 06:17:32] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:32] [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 06:17:32] [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 06:17:32] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 55/111 variables, 56/79 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:33] [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 06:17:33] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:33] [INFO ] Deduced a trap composed of 16 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 06:17:33] [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 06:17:33] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 3/84 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:33] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:33] [INFO ] Deduced a trap composed of 20 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:33] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 3/87 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:33] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:34] [INFO ] Deduced a trap along path composed of 13 places in 30 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/111 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (OVERLAPS) 0/111 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 89 constraints, problems are : Problem set: 0 solved, 54 unsolved in 3001 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 22/32 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:35] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (OVERLAPS) 55/111 variables, 56/89 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 54/143 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:35] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:35] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 2/145 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:35] [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 06:17:35] [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 06:17:35] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 3/148 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:36] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/111 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (OVERLAPS) 0/111 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 150 constraints, problems are : Problem set: 0 solved, 54 unsolved in 4433 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 7457ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 7457ms
Starting structural reductions in LTL mode, iteration 1 : 56/62 places, 55/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7580 ms. Remains : 56/62 places, 55/61 transitions.
Stuttering acceptance computed with spot in 107 ms :[(NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-12 finished in 7702 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(X(G(!p1)))) U X(p2)))'
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 56 transition count 55
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 56 transition count 55
Applied a total of 12 rules in 2 ms. Remains 56 /62 variables (removed 6) and now considering 55/61 (removed 6) transitions.
// Phase 1: matrix 55 rows 56 cols
[2025-06-04 06:17:39] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:39] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-04 06:17:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:39] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-04 06:17:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:39] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:39] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:39] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:39] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:40] [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 06:17:40] [INFO ] Deduced a trap composed of 16 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:40] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:40] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (OVERLAPS) 55/111 variables, 56/74 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:40] [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 06:17:40] [INFO ] Deduced a trap composed of 23 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 06:17:40] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 3/77 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (OVERLAPS) 0/111 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 77 constraints, problems are : Problem set: 0 solved, 54 unsolved in 1635 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 1/56 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (OVERLAPS) 55/111 variables, 56/77 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 54/131 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:41] [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 06:17:41] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:41] [INFO ] Deduced a trap composed of 14 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 06:17:41] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 4/135 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:42] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:42] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:42] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:43] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:43] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/111 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/111 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:45] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:45] [INFO ] Deduced a trap composed of 24 places in 23 ms of which 1 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/111 variables, 2/142 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/111 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 15 (OVERLAPS) 0/111 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 142 constraints, problems are : Problem set: 0 solved, 54 unsolved in 6418 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 8073ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 8073ms
Starting structural reductions in LTL mode, iteration 1 : 56/62 places, 55/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8182 ms. Remains : 56/62 places, 55/61 transitions.
Stuttering acceptance computed with spot in 254 ms :[(NOT p2), (AND (NOT p2) p1), (NOT p2), (AND p1 (NOT p2)), p1, true, p1, p1]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 63 ms.
Product exploration explored 100000 steps with 50000 reset in 60 ms.
Computed a total of 11 stabilizing places and 11 stable transitions
Computed a total of 11 stabilizing places and 11 stable transitions
Knowledge obtained : [(AND (NOT p0) p2 p1), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT p0)), (X (X p2)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 12 ms. Reduced automaton from 8 states, 16 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPs-PT-001B-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-13 finished in 8594 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((G(p0)&&F(p1))))'
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 55 transition count 54
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 55 transition count 54
Applied a total of 14 rules in 3 ms. Remains 55 /62 variables (removed 7) and now considering 54/61 (removed 7) transitions.
// Phase 1: matrix 54 rows 55 cols
[2025-06-04 06:17:48] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:48] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 06:17:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:48] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Running 53 sub problems to find dead transitions.
[2025-06-04 06:17:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:48] [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 06:17:48] [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 06:17:48] [INFO ] Deduced a trap composed of 10 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 06:17:48] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:48] [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 06:17:48] [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 06:17:48] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:48] [INFO ] Deduced a trap composed of 9 places in 154 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:49] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:49] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:49] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:49] [INFO ] Deduced a trap composed of 20 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:49] [INFO ] Deduced a trap composed of 18 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 06:17:49] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:49] [INFO ] Deduced a trap composed of 15 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 06:17:49] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 6/81 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:50] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:50] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:50] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (OVERLAPS) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 84 constraints, problems are : Problem set: 0 solved, 53 unsolved in 2951 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:51] [INFO ] Deduced a trap composed of 6 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 06:17:51] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 53/137 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:51] [INFO ] Deduced a trap composed of 15 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 06:17:51] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:51] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:51] [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 06:17:51] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:52] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:52] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:54] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/109 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 14 (OVERLAPS) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 147 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5124 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 8096ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 8096ms
Starting structural reductions in LTL mode, iteration 1 : 55/62 places, 54/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8224 ms. Remains : 55/62 places, 54/61 transitions.
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-14 finished in 8365 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(F(p0))||G(p1))))))'
Support contains 2 out of 62 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 61/61 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 55 transition count 54
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 55 transition count 54
Applied a total of 14 rules in 2 ms. Remains 55 /62 variables (removed 7) and now considering 54/61 (removed 7) transitions.
[2025-06-04 06:17:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:56] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-04 06:17:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:17:56] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
Running 53 sub problems to find dead transitions.
[2025-06-04 06:17:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:56] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:56] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:56] [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 06:17:56] [INFO ] Deduced a trap composed of 14 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 06:17:56] [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 06:17:57] [INFO ] Deduced a trap composed of 16 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 06:17:57] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:57] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:57] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:57] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:57] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:57] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:57] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:57] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:58] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:58] [INFO ] Deduced a trap composed of 19 places in 24 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 6/81 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:58] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:58] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:58] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (OVERLAPS) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 84 constraints, problems are : Problem set: 0 solved, 53 unsolved in 2888 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:59] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:59] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 53/137 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:17:59] [INFO ] Deduced a trap composed of 15 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 06:17:59] [INFO ] Deduced a trap composed of 13 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 06:18:00] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:00] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:00] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:00] [INFO ] Deduced a trap composed of 14 places in 22 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:00] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:02] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/109 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 14 (OVERLAPS) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 147 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5313 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 8243ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 8243ms
Starting structural reductions in LTL mode, iteration 1 : 55/62 places, 54/61 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8342 ms. Remains : 55/62 places, 54/61 transitions.
Stuttering acceptance computed with spot in 183 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPs-PT-001B-LTLCardinality-15
Product exploration explored 100000 steps with 20000 reset in 44 ms.
Product exploration explored 100000 steps with 20000 reset in 52 ms.
Computed a total of 11 stabilizing places and 11 stable transitions
Computed a total of 11 stabilizing places and 11 stable transitions
Knowledge obtained : [(AND p0 (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 74 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 268 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (10 resets) in 140 ms. (283 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (11 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
[2025-06-04 06:18:05] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/23 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 32/55 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/109 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 65 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Int declared 23/109 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 2/10 constraints, State Equation: 0/55 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p1)))), (F p1), (F (NOT p0))]
Knowledge based reduction with 2 factoid took 118 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 172 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 2 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 54/54 transitions.
Applied a total of 0 rules in 0 ms. Remains 55 /55 variables (removed 0) and now considering 54/54 (removed 0) transitions.
[2025-06-04 06:18:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:18:06] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-04 06:18:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 06:18:06] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Running 53 sub problems to find dead transitions.
[2025-06-04 06:18:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:06] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:06] [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 06:18:06] [INFO ] Deduced a trap composed of 10 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 06:18:06] [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 06:18:06] [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 06:18:06] [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 06:18:06] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:06] [INFO ] Deduced a trap composed of 9 places in 69 ms of which 8 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:07] [INFO ] Deduced a trap composed of 15 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 06:18:07] [INFO ] Deduced a trap composed of 22 places in 22 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:07] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:07] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:07] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:07] [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 06:18:07] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:07] [INFO ] Deduced a trap composed of 19 places in 24 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 6/81 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:07] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:08] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:08] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (OVERLAPS) 0/109 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 84 constraints, problems are : Problem set: 0 solved, 53 unsolved in 2766 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (OVERLAPS) 1/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:09] [INFO ] Deduced a trap composed of 6 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 06:18:09] [INFO ] Deduced a trap composed of 16 places in 23 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 54/109 variables, 55/84 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 53/137 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:09] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:09] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:09] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:09] [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 06:18:09] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:09] [INFO ] Deduced a trap composed of 14 places in 21 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:10] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/109 variables, 2/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/109 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:11] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/109 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 14 (OVERLAPS) 0/109 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 147 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5181 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 55/55 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 7962ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 7962ms
Finished structural reductions in LTL mode , in 1 iterations and 8052 ms. Remains : 55/55 places, 54/54 transitions.
Computed a total of 11 stabilizing places and 11 stable transitions
Computed a total of 11 stabilizing places and 11 stable transitions
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 71 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 41 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : [(F (NOT p0)), (F p1)]
Knowledge based reduction with 1 factoid took 113 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 173 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 20000 reset in 49 ms.
Product exploration explored 100000 steps with 20000 reset in 50 ms.
Applying partial POR strategy [false, true, false, false, false]
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 2 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 54/54 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 55 transition count 54
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 4 place count 55 transition count 56
Deduced a syphon composed of 8 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 55 transition count 56
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 27 place count 55 transition count 56
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 33 place count 49 transition count 50
Deduced a syphon composed of 21 places in 0 ms
Iterating global reduction 1 with 6 rules applied. Total rules applied 39 place count 49 transition count 50
Deduced a syphon composed of 21 places in 0 ms
Applied a total of 39 rules in 24 ms. Remains 49 /55 variables (removed 6) and now considering 50/54 (removed 4) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 06:18:15] [INFO ] Redundant transitions in 11 ms returned [49]
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 48 sub problems to find dead transitions.
// Phase 1: matrix 49 rows 49 cols
[2025-06-04 06:18:15] [INFO ] Computed 10 invariants in 1 ms
[2025-06-04 06:18:15] [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) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (OVERLAPS) 1/49 variables, 10/10 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 06:18:15] [INFO ] Deduced a trap composed of 5 places in 33 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 06:18:15] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 2 ms to minimize.
Problem TDEAD3 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:15] [INFO ] Deduced a trap composed of 3 places in 17 ms of which 2 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:15] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:15] [INFO ] Deduced a trap composed of 5 places in 29 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:15] [INFO ] Deduced a trap composed of 3 places in 18 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 06:18:15] [INFO ] Deduced a trap composed of 2 places in 22 ms of which 2 ms to minimize.
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:15] [INFO ] Deduced a trap composed of 4 places in 16 ms of which 1 ms to minimize.
Problem TDEAD16 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD25 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 06:18:15] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 1 ms to minimize.
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD45 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 9/19 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/19 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 4 (OVERLAPS) 49/98 variables, 49/68 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/98 variables, 3/71 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/98 variables, 0/71 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 7 (OVERLAPS) 0/98 variables, 0/71 constraints. Problems are: Problem set: 23 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 98/98 variables, and 71 constraints, problems are : Problem set: 23 solved, 25 unsolved in 710 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 49/49 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 23 solved, 25 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 22/49 variables, 10/10 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 9/19 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/19 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 4 (OVERLAPS) 49/98 variables, 49/68 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/98 variables, 3/71 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/98 variables, 25/96 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/98 variables, 0/96 constraints. Problems are: Problem set: 23 solved, 25 unsolved
At refinement iteration 8 (OVERLAPS) 0/98 variables, 0/96 constraints. Problems are: Problem set: 23 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Int declared 98/98 variables, and 96 constraints, problems are : Problem set: 23 solved, 25 unsolved in 681 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 49/49 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 25/48 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1430ms problems are : Problem set: 23 solved, 25 unsolved
Search for dead transitions found 23 dead transitions in 1430ms
Found 23 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 23 transitions
Dead transitions reduction (with SMT) removed 23 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 49/55 places, 26/54 transitions.
Graph (complete) has 88 edges and 49 vertex of which 28 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.0 ms
Discarding 21 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 1 ms. Remains 28 /49 variables (removed 21) and now considering 26/26 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/55 places, 26/54 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1471 ms. Remains : 28/55 places, 26/54 transitions.
Built C files in :
/tmp/ltsmin3323202700384038427
[2025-06-04 06:18:16] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3323202700384038427
Running compilation step : cd /tmp/ltsmin3323202700384038427;'/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 112 ms.
Running link step : cd /tmp/ltsmin3323202700384038427;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 27 ms.
Running LTSmin : cd /tmp/ltsmin3323202700384038427;'/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/stateBased6935625332481986242.hoa' '--buchi-type=spotba'
LTSmin run took 3856 ms.
FORMULA ShieldIIPs-PT-001B-LTLCardinality-15 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldIIPs-PT-001B-LTLCardinality-15 finished in 24373 ms.
All properties solved by simple procedures.
Total runtime 143567 ms.

BK_STOP 1749017900853

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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-001B"
export BK_EXAMINATION="LTLCardinality"
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-001B, examination is LTLCardinality"
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-174894532400259"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-001B.tgz
mv ShieldIIPs-PT-001B execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;