Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901993500012.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldRVs-PT-001B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901993500012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 44K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 19K 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 132K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 13K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-00
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-01
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-02
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-03
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-04
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-05
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-06
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-07
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-08
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-09
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-10
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-11
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-12
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-13
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-14
FORMULA_NAME ShieldRVs-PT-001B-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749034839635

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVs-PT-001B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-04 11:00:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-04 11:00:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 11:00:41] [INFO ] Load time of PNML (sax parser for PT used): 46 ms
[2025-06-04 11:00:41] [INFO ] Transformed 43 places.
[2025-06-04 11:00:41] [INFO ] Transformed 48 transitions.
[2025-06-04 11:00:41] [INFO ] Found NUPN structural information;
[2025-06-04 11:00:41] [INFO ] Parsed PT model containing 43 places and 48 transitions and 144 arcs in 143 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ShieldRVs-PT-001B-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-001B-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 43 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 43/43 places, 48/48 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 42 transition count 47
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 42 transition count 47
Applied a total of 2 rules in 15 ms. Remains 42 /43 variables (removed 1) and now considering 47/48 (removed 1) transitions.
// Phase 1: matrix 47 rows 42 cols
[2025-06-04 11:00:41] [INFO ] Computed 5 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:41] [INFO ] Implicit Places using invariants in 152 ms returned []
[2025-06-04 11:00:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:41] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
Running 46 sub problems to find dead transitions.
[2025-06-04 11:00:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:41] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:41] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:41] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [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 11:00:42] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [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 11:00:42] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 20 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 15 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [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 11:00:42] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 17 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 11:00:42] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:42] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 47/89 variables, 42/66 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:43] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:43] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:43] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/89 variables, 3/69 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/89 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:43] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:43] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/89 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/89 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:44] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 10 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/89 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/89 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 14 (OVERLAPS) 0/89 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 89/89 variables, and 72 constraints, problems are : Problem set: 0 solved, 46 unsolved in 3209 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 1/42 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 24/29 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:44] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:45] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 47/89 variables, 42/73 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 46/119 constraints. Problems are: Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:45] [INFO ] Deduced a trap composed of 10 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:45] [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 11:00:45] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/89 variables, 3/122 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/89 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/89 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 11 (OVERLAPS) 0/89 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 89/89 variables, and 123 constraints, problems are : Problem set: 0 solved, 46 unsolved in 2331 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5574ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 5587ms
Starting structural reductions in LTL mode, iteration 1 : 42/43 places, 47/48 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5876 ms. Remains : 42/43 places, 47/48 transitions.
Support contains 26 out of 42 places after structural reductions.
[2025-06-04 11:00:47] [INFO ] Flatten gal took : 18 ms
[2025-06-04 11:00:47] [INFO ] Flatten gal took : 7 ms
[2025-06-04 11:00:47] [INFO ] Input system was already deterministic with 47 transitions.
RANDOM walk for 40000 steps (101 resets) in 926 ms. (43 steps per ms) remains 2/26 properties
BEST_FIRST walk for 40003 steps (48 resets) in 295 ms. (135 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 260 ms. (153 steps per ms) remains 2/2 properties
[2025-06-04 11:00:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp23 is UNSAT
At refinement iteration 1 (OVERLAPS) 30/35 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/42 variables, 2/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:47] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:47] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 2/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 47/89 variables, 42/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 0/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/89 variables, 0/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 89/89 variables, and 49 constraints, problems are : Problem set: 1 solved, 1 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/25 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 17/42 variables, 3/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 2/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 47/89 variables, 42/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 1/50 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:47] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:47] [INFO ] Deduced a trap composed of 16 places in 21 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/89 variables, 2/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/89 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/89 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 89/89 variables, and 52 constraints, problems are : Problem set: 1 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 42/42 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 235ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 42 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 47/47 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 42 transition count 43
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 38 transition count 43
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 8 place count 38 transition count 38
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 18 place count 33 transition count 38
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 23 place count 28 transition count 33
Iterating global reduction 2 with 5 rules applied. Total rules applied 28 place count 28 transition count 33
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 28 transition count 31
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 32 place count 26 transition count 31
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 48 place count 18 transition count 23
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 52 place count 18 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 17 transition count 22
Applied a total of 53 rules in 18 ms. Remains 17 /42 variables (removed 25) and now considering 22/47 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 17/42 places, 22/47 transitions.
RANDOM walk for 40000 steps (8 resets) in 408 ms. (97 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Probably explored full state space saw : 110 states, properties seen :0
Probabilistic random walk after 349 steps, saw 110 distinct states, run finished after 9 ms. (steps per millisecond=38 ) properties seen :0
Explored full state space saw : 110 states, properties seen :0
Exhaustive walk after 349 steps, saw 110 distinct states, run finished after 8 ms. (steps per millisecond=43 ) properties seen :0
FORMULA ShieldRVs-PT-001B-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ShieldRVs-PT-001B-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
FORMULA ShieldRVs-PT-001B-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 12 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(X(X(p1)))))))'
Support contains 2 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 37 transition count 42
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 37 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 36 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 36 transition count 41
Applied a total of 12 rules in 2 ms. Remains 36 /42 variables (removed 6) and now considering 41/47 (removed 6) transitions.
// Phase 1: matrix 41 rows 36 cols
[2025-06-04 11:00:48] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:48] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-04 11:00:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:48] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Running 40 sub problems to find dead transitions.
[2025-06-04 11:00:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/36 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:48] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:48] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 41/77 variables, 36/49 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/77 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:49] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/77 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (OVERLAPS) 0/77 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 77/77 variables, and 53 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1507 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/36 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:50] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:50] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 41/77 variables, 36/55 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 40/95 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:50] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:50] [INFO ] Deduced a trap along path composed of 11 places in 32 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:51] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/77 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:51] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/77 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/77 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 12 (OVERLAPS) 0/77 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 77/77 variables, and 99 constraints, problems are : Problem set: 0 solved, 40 unsolved in 2294 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3811ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 3812ms
Starting structural reductions in LTL mode, iteration 1 : 36/42 places, 41/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3899 ms. Remains : 36/42 places, 41/47 transitions.
Stuttering acceptance computed with spot in 346 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-01
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 2 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-01 finished in 4306 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 36 transition count 41
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 36 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 35 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 35 transition count 40
Applied a total of 14 rules in 4 ms. Remains 35 /42 variables (removed 7) and now considering 40/47 (removed 7) transitions.
// Phase 1: matrix 40 rows 35 cols
[2025-06-04 11:00:52] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:52] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-04 11:00:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:52] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-04 11:00:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:53] [INFO ] Deduced a trap composed of 15 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 11:00:53] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:53] [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 11:00:53] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:53] [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 11:00:53] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 40/75 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:53] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:53] [INFO ] Deduced a trap composed of 15 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 11:00:53] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:53] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 4/50 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:53] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 51 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1190 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/75 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 39/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:54] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:54] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:54] [INFO ] Deduced a trap along path composed of 9 places in 26 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:55] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 94 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1880 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3076ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3076ms
Starting structural reductions in LTL mode, iteration 1 : 35/42 places, 40/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3151 ms. Remains : 35/42 places, 40/47 transitions.
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-03
Entered a terminal (fully accepting) state of product in 24 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-03 finished in 3298 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0&&X(X(p1))))&&X((X(p1) U G(p2)))))'
Support contains 3 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 37 transition count 42
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 37 transition count 42
Applied a total of 10 rules in 2 ms. Remains 37 /42 variables (removed 5) and now considering 42/47 (removed 5) transitions.
// Phase 1: matrix 42 rows 37 cols
[2025-06-04 11:00:56] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:56] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 11:00:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:00:56] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Running 41 sub problems to find dead transitions.
[2025-06-04 11:00:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [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 11:00:56] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 42/79 variables, 37/49 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [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 11:00:56] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:56] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:57] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 5/54 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:57] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:57] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 0/79 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 56 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1274 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 42/79 variables, 37/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 41/97 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:57] [INFO ] Deduced a trap along path composed of 7 places in 34 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:58] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/79 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:58] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:59] [INFO ] Deduced a trap along path composed of 9 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:59] [INFO ] Deduced a trap along path composed of 11 places in 30 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:00:59] [INFO ] Deduced a trap along path composed of 8 places in 33 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 13 (OVERLAPS) 0/79 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 103 constraints, problems are : Problem set: 0 solved, 41 unsolved in 3415 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 4698ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 4698ms
Starting structural reductions in LTL mode, iteration 1 : 37/42 places, 42/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4778 ms. Remains : 37/42 places, 42/47 transitions.
Stuttering acceptance computed with spot in 394 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p1), (NOT p1), (AND (NOT p2) (NOT p1)), true, (NOT p1), (NOT p1), (AND (NOT p2) p1)]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-04
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-04 finished in 5192 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 36 transition count 41
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 36 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 35 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 35 transition count 40
Applied a total of 14 rules in 5 ms. Remains 35 /42 variables (removed 7) and now considering 40/47 (removed 7) transitions.
// Phase 1: matrix 40 rows 35 cols
[2025-06-04 11:01:01] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:01] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-04 11:01:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:01] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-04 11:01:01] [INFO ] Invariant cache hit.
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, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:01] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:01] [INFO ] Deduced a trap composed of 16 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:01] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:01] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:01] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:01] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 40/75 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:02] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:02] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:02] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:02] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 4/50 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:02] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 51 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1138 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/75 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 39/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:02] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:03] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:03] [INFO ] Deduced a trap along path composed of 9 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:03] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 94 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1887 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3031ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3032ms
Starting structural reductions in LTL mode, iteration 1 : 35/42 places, 40/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3110 ms. Remains : 35/42 places, 40/47 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 159 ms.
Product exploration explored 100000 steps with 50000 reset in 89 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Computed a total of 7 stabilizing places and 7 stable transitions
Detected a total of 7/35 stabilizing places and 7/40 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 17 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVs-PT-001B-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVs-PT-001B-LTLFireability-06 finished in 3488 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U (p1||X((p2&&X(F(p1))))))) U X(p3)))'
Support contains 4 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 38 transition count 43
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 38 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 37 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 37 transition count 42
Applied a total of 10 rules in 2 ms. Remains 37 /42 variables (removed 5) and now considering 42/47 (removed 5) transitions.
// Phase 1: matrix 42 rows 37 cols
[2025-06-04 11:01:04] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:04] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-04 11:01:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:04] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Running 41 sub problems to find dead transitions.
[2025-06-04 11:01:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 17 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (OVERLAPS) 42/79 variables, 37/50 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:05] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 0/79 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 52 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1058 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:06] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:06] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:06] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (OVERLAPS) 42/79 variables, 37/55 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 41/96 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:06] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:06] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/79 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:06] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:06] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:07] [INFO ] Deduced a trap along path composed of 10 places in 26 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 13 (OVERLAPS) 0/79 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 101 constraints, problems are : Problem set: 0 solved, 41 unsolved in 2271 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3334ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 3335ms
Starting structural reductions in LTL mode, iteration 1 : 37/42 places, 42/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3406 ms. Remains : 37/42 places, 42/47 transitions.
Stuttering acceptance computed with spot in 403 ms :[(NOT p3), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p3), (AND (NOT p1) (NOT p3) p2), true, (NOT p1), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 79 ms.
Product exploration explored 100000 steps with 50000 reset in 70 ms.
Computed a total of 8 stabilizing places and 8 stable transitions
Computed a total of 8 stabilizing places and 8 stable transitions
Detected a total of 8/37 stabilizing places and 8/42 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) p3 (NOT p2)), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT p1))), (X (X p3)), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT p0))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 22 factoid took 20 ms. Reduced automaton from 9 states, 20 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVs-PT-001B-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVs-PT-001B-LTLFireability-07 finished in 4009 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 6 out of 42 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 42/42 places, 47/47 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 41 transition count 41
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 36 transition count 41
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 10 place count 36 transition count 36
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 20 place count 31 transition count 36
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 26 place count 25 transition count 30
Iterating global reduction 2 with 6 rules applied. Total rules applied 32 place count 25 transition count 30
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 32 place count 25 transition count 28
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 36 place count 23 transition count 28
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 48 place count 17 transition count 22
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 16 transition count 21
Applied a total of 49 rules in 11 ms. Remains 16 /42 variables (removed 26) and now considering 21/47 (removed 26) transitions.
// Phase 1: matrix 21 rows 16 cols
[2025-06-04 11:01:08] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:08] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-04 11:01:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:08] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:01:08] [INFO ] Redundant transitions in 18 ms returned [20]
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 19 sub problems to find dead transitions.
// Phase 1: matrix 20 rows 16 cols
[2025-06-04 11:01:08] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 1/16 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:09] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:09] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:09] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:09] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:09] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 20/36 variables, 16/26 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:09] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 27 constraints, problems are : Problem set: 0 solved, 19 unsolved in 434 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 1/16 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (OVERLAPS) 20/36 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 19/46 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:09] [INFO ] Deduced a trap along path composed of 6 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/36 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 47 constraints, problems are : Problem set: 0 solved, 19 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 856ms problems are : Problem set: 0 solved, 19 unsolved
Search for dead transitions found 0 dead transitions in 856ms
Starting structural reductions in SI_LTL mode, iteration 1 : 16/42 places, 20/47 transitions.
Applied a total of 0 rules in 3 ms. Remains 16 /16 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 949 ms. Remains : 16/42 places, 20/47 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-08
Product exploration explored 100000 steps with 1069 reset in 140 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 17 in 0 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-08 finished in 1150 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0&&X((F(!p0) U p1))&&F(p2)))&&X(p0)))'
Support contains 3 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 38 transition count 43
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 38 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 37 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 37 transition count 42
Applied a total of 10 rules in 6 ms. Remains 37 /42 variables (removed 5) and now considering 42/47 (removed 5) transitions.
// Phase 1: matrix 42 rows 37 cols
[2025-06-04 11:01:10] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:10] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-04 11:01:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:10] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 41 sub problems to find dead transitions.
[2025-06-04 11:01:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 17 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [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 11:01:10] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:10] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/37 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (OVERLAPS) 42/79 variables, 37/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 0/79 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 56 constraints, problems are : Problem set: 0 solved, 41 unsolved in 1200 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 1/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 42/79 variables, 37/56 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 41/97 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:11] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:11] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 2/99 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:11] [INFO ] Deduced a trap along path composed of 9 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:11] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/79 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:12] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 3 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/79 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:13] [INFO ] Deduced a trap composed of 15 places in 24 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/79 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 13 (OVERLAPS) 0/79 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 103 constraints, problems are : Problem set: 0 solved, 41 unsolved in 3166 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 37/37 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4372ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 4372ms
Starting structural reductions in LTL mode, iteration 1 : 37/42 places, 42/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4447 ms. Remains : 37/42 places, 42/47 transitions.
Stuttering acceptance computed with spot in 268 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (NOT p2), true, (AND p0 (NOT p2))]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-10 finished in 4749 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((G(p0) U (X(p1)||F(p2))))||F(G(p3))))'
Support contains 6 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 36 transition count 41
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 36 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 35 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 35 transition count 40
Applied a total of 14 rules in 3 ms. Remains 35 /42 variables (removed 7) and now considering 40/47 (removed 7) transitions.
// Phase 1: matrix 40 rows 35 cols
[2025-06-04 11:01:14] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:14] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-04 11:01:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:14] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-04 11:01:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [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 11:01:15] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [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, 2/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 40/75 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [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 11:01:15] [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 11:01:15] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 4/50 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:15] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 51 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1185 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/75 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 39/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:16] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:16] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:16] [INFO ] Deduced a trap along path composed of 9 places in 33 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:17] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 94 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1990 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3180ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3180ms
Starting structural reductions in LTL mode, iteration 1 : 35/42 places, 40/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3258 ms. Remains : 35/42 places, 40/47 transitions.
Stuttering acceptance computed with spot in 237 ms :[(AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0))]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-11
Product exploration explored 100000 steps with 3072 reset in 166 ms.
Product exploration explored 100000 steps with 3058 reset in 150 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Computed a total of 7 stabilizing places and 7 stable transitions
Detected a total of 7/35 stabilizing places and 7/40 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1) p3), (X (NOT p2)), (X (NOT (AND p3 (NOT p2) p0 (NOT p1)))), (X p3), (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1)))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p3 (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) p0)))), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1))))), (X (X (AND p3 (NOT p2)))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 23 factoid took 146 ms. Reduced automaton from 5 states, 12 edges and 4 AP (stutter sensitive) to 5 states, 12 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 226 ms :[(AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0))]
RANDOM walk for 40000 steps (86 resets) in 68 ms. (579 steps per ms) remains 1/13 properties
BEST_FIRST walk for 40002 steps (20 resets) in 222 ms. (179 steps per ms) remains 1/1 properties
[2025-06-04 11:01:19] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf10 is UNSAT
After SMT solving in domain Real declared 32/75 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 23 ms.
Refiners :[Positive P Invariants (semi-flows): 4/5 constraints, State Equation: 0/35 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1) p3), (X (NOT p2)), (X (NOT (AND p3 (NOT p2) p0 (NOT p1)))), (X p3), (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1)))), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (AND (NOT p2) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p3 (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) p0)))), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1))))), (X (X (AND p3 (NOT p2)))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3)))), (G (OR (NOT p0) p1 p2 p3))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1 p2))), (F (NOT (OR (NOT p0) p1 p2 (NOT p3)))), (F (NOT (OR p2 p3))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) p2))), (F (NOT (AND (NOT p0) (NOT p2)))), (F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F p2), (F (NOT (AND (NOT p2) p3))), (F (NOT p3)), (F p0)]
Knowledge based reduction with 24 factoid took 608 ms. Reduced automaton from 5 states, 12 edges and 4 AP (stutter sensitive) to 5 states, 10 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 231 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0) p1)]
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0) p1)]
Support contains 6 out of 35 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 35/35 places, 40/40 transitions.
Applied a total of 0 rules in 2 ms. Remains 35 /35 variables (removed 0) and now considering 40/40 (removed 0) transitions.
[2025-06-04 11:01:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:20] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 11:01:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:20] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-04 11:01:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:20] [INFO ] Deduced a trap composed of 15 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 11:01:20] [INFO ] Deduced a trap composed of 16 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:20] [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 11:01:20] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:20] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:20] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 40/75 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:20] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:20] [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 11:01:20] [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 11:01:20] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 4/50 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:21] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 51 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1169 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/75 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 39/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:21] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:21] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:22] [INFO ] Deduced a trap along path composed of 9 places in 28 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:22] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 94 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1857 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3033ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3034ms
Finished structural reductions in LTL mode , in 1 iterations and 3106 ms. Remains : 35/35 places, 40/40 transitions.
Computed a total of 7 stabilizing places and 7 stable transitions
Computed a total of 7 stabilizing places and 7 stable transitions
Detected a total of 7/35 stabilizing places and 7/40 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X p3)), (X (X (AND (NOT p2) p3))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 124 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 5 states, 10 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0) p1)]
RANDOM walk for 4537 steps (16 resets) in 47 ms. (94 steps per ms) remains 0/13 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X p3)), (X (X (AND (NOT p2) p3))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1 p2))), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (OR (NOT p0) (NOT p1) p2))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) p2))), (F (NOT (AND (NOT p0) (NOT p2)))), (F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F p2), (F (NOT (AND (NOT p2) p3))), (F (NOT p3)), (F p0), (F (NOT (OR p2 p3)))]
Knowledge based reduction with 16 factoid took 578 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 5 states, 10 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 242 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0) p1)]
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0) p1)]
Stuttering acceptance computed with spot in 238 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0) p1)]
Product exploration explored 100000 steps with 3068 reset in 86 ms.
Product exploration explored 100000 steps with 3076 reset in 103 ms.
Applying partial POR strategy [false, true, true, true, true]
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0) p1)]
Support contains 6 out of 35 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 35/35 places, 40/40 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 35 transition count 40
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 3 place count 35 transition count 41
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 7 place count 35 transition count 41
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 34 transition count 40
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 34 transition count 40
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 15 places in 0 ms
Iterating global reduction 1 with 9 rules applied. Total rules applied 18 place count 34 transition count 40
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 21 place count 31 transition count 37
Deduced a syphon composed of 12 places in 0 ms
Iterating global reduction 1 with 3 rules applied. Total rules applied 24 place count 31 transition count 37
Deduced a syphon composed of 12 places in 0 ms
Applied a total of 24 rules in 10 ms. Remains 31 /35 variables (removed 4) and now considering 37/40 (removed 3) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:01:25] [INFO ] Redundant transitions in 20 ms returned [36]
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 35 sub problems to find dead transitions.
// Phase 1: matrix 36 rows 31 cols
[2025-06-04 11:01:25] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (OVERLAPS) 1/31 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 35 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 8 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 6 places in 23 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 11:01:25] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 2 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:25] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:26] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:26] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 1 ms to minimize.
Problem TDEAD31 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 11/16 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/16 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 36/67 variables, 31/47 constraints. Problems are: Problem set: 13 solved, 22 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:26] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 1/48 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/48 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 0/67 variables, 0/48 constraints. Problems are: Problem set: 13 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 67/67 variables, and 48 constraints, problems are : Problem set: 13 solved, 22 unsolved in 734 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 13 solved, 22 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 13/31 variables, 5/5 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 12/17 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/17 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 36/67 variables, 31/48 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 22/70 constraints. Problems are: Problem set: 13 solved, 22 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:26] [INFO ] Deduced a trap along path composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 1/71 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/71 constraints. Problems are: Problem set: 13 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 0/67 variables, 0/71 constraints. Problems are: Problem set: 13 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 67/67 variables, and 71 constraints, problems are : Problem set: 13 solved, 22 unsolved in 738 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 22/35 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1481ms problems are : Problem set: 13 solved, 22 unsolved
Search for dead transitions found 13 dead transitions in 1483ms
Found 13 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 13 transitions
Dead transitions reduction (with SMT) removed 13 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 31/35 places, 23/40 transitions.
Graph (complete) has 68 edges and 31 vertex of which 19 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.2 ms
Discarding 12 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 19 /31 variables (removed 12) and now considering 23/23 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 19/35 places, 23/40 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1531 ms. Remains : 19/35 places, 23/40 transitions.
Built C files in :
/tmp/ltsmin2739490712747462806
[2025-06-04 11:01:27] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2739490712747462806
Running compilation step : cd /tmp/ltsmin2739490712747462806;'/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 237 ms.
Running link step : cd /tmp/ltsmin2739490712747462806;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin2739490712747462806;'/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/stateBased17924803549976219485.hoa' '--buchi-type=spotba'
LTSmin run took 369 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-11 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldRVs-PT-001B-LTLFireability-11 finished in 13037 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||G(p1)))'
Support contains 4 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 36 transition count 41
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 36 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 35 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 35 transition count 40
Applied a total of 14 rules in 4 ms. Remains 35 /42 variables (removed 7) and now considering 40/47 (removed 7) transitions.
// Phase 1: matrix 40 rows 35 cols
[2025-06-04 11:01:27] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:27] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-04 11:01:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:27] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-04 11:01:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:28] [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 11:01:28] [INFO ] Deduced a trap composed of 16 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:28] [INFO ] Deduced a trap composed of 16 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 11:01:28] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:28] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:28] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 40/75 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:28] [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 11:01:28] [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 11:01:28] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:28] [INFO ] Deduced a trap composed of 15 places in 23 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 4/50 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:28] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 51 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1106 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/75 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 39/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:29] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:29] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:29] [INFO ] Deduced a trap along path composed of 9 places in 24 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:30] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 94 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1918 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3031ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3031ms
Starting structural reductions in LTL mode, iteration 1 : 35/42 places, 40/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3107 ms. Remains : 35/42 places, 40/47 transitions.
Stuttering acceptance computed with spot in 172 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-12
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-12 finished in 3292 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&&X((!p0 U (G(!p0)||(!p1&&G(F(!p0))))))))))'
Support contains 3 out of 42 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 36 transition count 41
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 36 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 35 transition count 40
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 35 transition count 40
Applied a total of 14 rules in 3 ms. Remains 35 /42 variables (removed 7) and now considering 40/47 (removed 7) transitions.
[2025-06-04 11:01:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:31] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-04 11:01:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:31] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2025-06-04 11:01:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 40/75 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 15 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [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 11:01:31] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 4/50 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:31] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/75 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/75 variables, and 51 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1193 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 40/75 variables, 35/51 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 39/90 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:32] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:32] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:33] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:33] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (OVERLAPS) 0/75 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/75 variables, and 94 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1958 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3155ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 3157ms
Starting structural reductions in LTL mode, iteration 1 : 35/42 places, 40/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3226 ms. Remains : 35/42 places, 40/47 transitions.
Stuttering acceptance computed with spot in 110 ms :[true, p0, p0]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-13
Entered a terminal (fully accepting) state of product in 24 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-13 finished in 3350 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((G((!p0||X(!p0)))||(!p0&&F(G(p1)))))))'
Support contains 3 out of 42 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 42/42 places, 47/47 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 37 transition count 42
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 37 transition count 42
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 36 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 36 transition count 41
Applied a total of 12 rules in 5 ms. Remains 36 /42 variables (removed 6) and now considering 41/47 (removed 6) transitions.
// Phase 1: matrix 41 rows 36 cols
[2025-06-04 11:01:34] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:34] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-04 11:01:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:01:34] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Running 40 sub problems to find dead transitions.
[2025-06-04 11:01:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/36 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:34] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:34] [INFO ] Deduced a trap composed of 17 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:34] [INFO ] Deduced a trap composed of 17 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:34] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:34] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:34] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:34] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 41/77 variables, 36/48 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:35] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:35] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:35] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:35] [INFO ] Deduced a trap composed of 15 places in 24 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 4/52 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:35] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (OVERLAPS) 0/77 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 77/77 variables, and 53 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1223 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (OVERLAPS) 1/36 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (OVERLAPS) 41/77 variables, 36/53 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 40/93 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:36] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:36] [INFO ] Deduced a trap along path composed of 10 places in 29 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 40 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 11:01:36] [INFO ] Deduced a trap along path composed of 14 places in 31 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/77 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (OVERLAPS) 0/77 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 77/77 variables, and 96 constraints, problems are : Problem set: 0 solved, 40 unsolved in 1791 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 3019ms problems are : Problem set: 0 solved, 40 unsolved
Search for dead transitions found 0 dead transitions in 3020ms
Starting structural reductions in LTL mode, iteration 1 : 36/42 places, 41/47 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3093 ms. Remains : 36/42 places, 41/47 transitions.
Stuttering acceptance computed with spot in 184 ms :[p0, (AND (NOT p1) p0), (AND (NOT p1) p0), p0]
Running random walk in product with property : ShieldRVs-PT-001B-LTLFireability-15
Product exploration explored 100000 steps with 292 reset in 179 ms.
Stack based approach found an accepted trace after 8380 steps with 16 reset with depth 1996 and stack size 295 in 19 ms.
FORMULA ShieldRVs-PT-001B-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVs-PT-001B-LTLFireability-15 finished in 3506 ms.
All properties solved by simple procedures.
Total runtime 57054 ms.

BK_STOP 1749034898017

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldRVs-PT-001B"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ShieldRVs-PT-001B, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-tall-174901993500012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-001B.tgz
mv ShieldRVs-PT-001B execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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