MCC'2025- Execution of r254-tall-174931339400179

About the Execution of ITS-Tools for CopsAndRobbers-PT-CRL015X005

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
0.000	801486.00	0.00	0.00	FFFFFFFFFFTFFFFT	normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339400179.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CopsAndRobbers-PT-CRL015X005, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339400179
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 7.7K Jun 6 09:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Jun 6 09:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Jun 6 08:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Jun 6 08:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 11:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 11:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 11:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 11:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 16K Jun 6 09:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Jun 6 09:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 09:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Jun 6 09:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 11:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 11:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 11 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 83K Jun 5 20:08 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 CopsAndRobbers-PT-CRL015X005-LTLCardinality-00
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-01
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-02
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-03
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-04
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-05
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-06
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-07
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-08
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-09
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-10
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-11
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-12
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-13
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-14
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749338052163

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-CRL015X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-07 23:14:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 23:14:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 23:14:13] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2025-06-07 23:14:13] [INFO ] Transformed 85 places.
[2025-06-07 23:14:13] [INFO ] Transformed 109 transitions.
[2025-06-07 23:14:13] [INFO ] Parsed PT model containing 85 places and 109 transitions and 504 arcs in 143 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 39 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 109/109 transitions.
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 79 transition count 109
Applied a total of 6 rules in 16 ms. Remains 79 /85 variables (removed 6) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
// Phase 1: matrix 109 rows 79 cols
[2025-06-07 23:14:13] [INFO ] Computed 18 invariants in 9 ms
[2025-06-07 23:14:13] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 9/188 variables, 9/127 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/188 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/188 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 127 constraints, problems are : Problem set: 0 solved, 79 unsolved in 7640 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 79/79 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 43/161 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/188 variables, and 161 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/79 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 43/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27782ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 27807ms
[2025-06-07 23:14:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:14:41] [INFO ] Implicit Places using invariants in 122 ms returned []
[2025-06-07 23:14:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:14:41] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:14:41] [INFO ] Implicit Places using invariants and state equation in 335 ms returned []
Implicit Place search using SMT with State Equation took 472 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:14:41] [INFO ] Invariant cache hit.
[2025-06-07 23:14:41] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 9/188 variables, 9/127 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/188 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/188 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 127 constraints, problems are : Problem set: 0 solved, 79 unsolved in 7121 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 79/79 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 43/161 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:14:58] [INFO ] Deduced a trap composed of 34 places in 75 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/179 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:11] [INFO ] Deduced a trap composed of 34 places in 104 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:11] [INFO ] Deduced a trap composed of 34 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:11] [INFO ] Deduced a trap composed of 34 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:14] [INFO ] Deduced a trap composed of 34 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:14] [INFO ] Deduced a trap composed of 35 places in 66 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/179 variables, 5/167 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/188 variables, and 167 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/79 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 43/79 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37164ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 37167ms
Starting structural reductions in LTL mode, iteration 1 : 79/85 places, 109/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65514 ms. Remains : 79/85 places, 109/109 transitions.
Support contains 39 out of 79 places after structural reductions.
[2025-06-07 23:15:19] [INFO ] Flatten gal took : 28 ms
[2025-06-07 23:15:19] [INFO ] Flatten gal took : 19 ms
[2025-06-07 23:15:19] [INFO ] Input system was already deterministic with 109 transitions.
RANDOM walk for 40006 steps (8 resets) in 1650 ms. (24 steps per ms) remains 14/33 properties
BEST_FIRST walk for 40003 steps (8 resets) in 444 ms. (89 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 158 ms. (251 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (8 resets) in 158 ms. (251 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (13 resets) in 236 ms. (168 steps per ms) remains 11/14 properties
BEST_FIRST walk for 40004 steps (9 resets) in 233 ms. (170 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (8 resets) in 165 ms. (240 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40004 steps (17 resets) in 155 ms. (256 steps per ms) remains 9/10 properties
BEST_FIRST walk for 40003 steps (15 resets) in 117 ms. (339 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40002 steps (12 resets) in 127 ms. (312 steps per ms) remains 8/8 properties
[2025-06-07 23:15:20] [INFO ] Invariant cache hit.
[2025-06-07 23:15:20] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp31 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp13 is UNSAT
At refinement iteration 2 (OVERLAPS) 14/26 variables, 4/6 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/6 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 10/36 variables, 10/16 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/16 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 7/43 variables, 1/17 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/43 variables, 0/17 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/45 variables, 1/18 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/45 variables, 0/18 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 87/132 variables, 45/63 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/132 variables, 8/71 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/132 variables, 0/71 constraints. Problems are: Problem set: 6 solved, 2 unsolved
Problem AtomicPropp17 is UNSAT
At refinement iteration 13 (OVERLAPS) 51/183 variables, 29/100 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/183 variables, 22/122 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/183 variables, 0/122 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 5/188 variables, 5/127 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/188 variables, 0/127 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/188 variables, 0/127 constraints. Problems are: Problem set: 7 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 127 constraints, problems are : Problem set: 7 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 79/79 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/27 variables, 6/9 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 55/82 variables, 12/21 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/21 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/84 variables, 1/22 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/22 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/100 variables, 1/23 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 16/116 variables, 16/40 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/116 variables, 0/40 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/184 variables, 54/94 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/184 variables, 30/124 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/184 variables, 0/124 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/188 variables, 4/128 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/188 variables, 0/128 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/188 variables, 0/128 constraints. Problems are: Problem set: 7 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 128 constraints, problems are : Problem set: 7 solved, 1 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 79/79 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 323ms problems are : Problem set: 7 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 3 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 109/109 transitions.
Graph (complete) has 352 edges and 79 vertex of which 73 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 73 transition count 108
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 72 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 71 transition count 107
Applied a total of 5 rules in 18 ms. Remains 71 /79 variables (removed 8) and now considering 107/109 (removed 2) transitions.
Running 77 sub problems to find dead transitions.
// Phase 1: matrix 107 rows 71 cols
[2025-06-07 23:15:20] [INFO ] Computed 18 invariants in 4 ms
[2025-06-07 23:15:20] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 3/178 variables, 3/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:25] [INFO ] Deduced a trap composed of 45 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:25] [INFO ] Deduced a trap composed of 33 places in 48 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/178 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (OVERLAPS) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 121 constraints, problems are : Problem set: 0 solved, 77 unsolved in 9056 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 65/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/178 variables, and 181 constraints, problems are : Problem set: 0 solved, 77 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 65/77 constraints, Known Traps: 0/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29104ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 29104ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29132 ms. Remains : 71/79 places, 107/109 transitions.
RANDOM walk for 40000 steps (9 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (11 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2191151 steps, run timeout after 3001 ms. (steps per millisecond=730 ) properties seen :0 out of 1
Probabilistic random walk after 2191151 steps, saw 685208 distinct states, run finished after 3006 ms. (steps per millisecond=728 ) properties seen :0
[2025-06-07 23:15:53] [INFO ] Invariant cache hit.
[2025-06-07 23:15:53] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/27 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 68/95 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/95 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 16/111 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 16/127 variables, 16/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/127 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 51/178 variables, 50/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/178 variables, 30/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/178 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/178 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/27 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 68/95 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/95 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 16/111 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/111 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/111 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 16/127 variables, 16/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/127 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 51/178 variables, 50/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/178 variables, 30/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/178 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/178 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 178/178 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 228ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 71/71 places, 107/107 transitions.
Applied a total of 0 rules in 4 ms. Remains 71 /71 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 71/71 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 71/71 places, 107/107 transitions.
Applied a total of 0 rules in 4 ms. Remains 71 /71 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2025-06-07 23:15:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:15:53] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-07 23:15:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:15:53] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:15:53] [INFO ] Implicit Places using invariants and state equation in 399 ms returned []
Implicit Place search using SMT with State Equation took 454 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:15:53] [INFO ] Redundant transitions in 4 ms returned []
Running 77 sub problems to find dead transitions.
[2025-06-07 23:15:53] [INFO ] Invariant cache hit.
[2025-06-07 23:15:53] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 3/178 variables, 3/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:58] [INFO ] Deduced a trap composed of 45 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:15:58] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/178 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (OVERLAPS) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 121 constraints, problems are : Problem set: 0 solved, 77 unsolved in 8874 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 65/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:16:12] [INFO ] Deduced a trap along path composed of 5 places in 49 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/178 variables, and 182 constraints, problems are : Problem set: 0 solved, 77 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 65/77 constraints, Known Traps: 0/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38905ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 38905ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39373 ms. Remains : 71/71 places, 107/107 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 71 transition count 83
Applied a total of 24 rules in 10 ms. Remains 71 /71 variables (removed 0) and now considering 83/107 (removed 24) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 83 rows 71 cols
[2025-06-07 23:16:32] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 23:16:32] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 23:16:32] [INFO ] [Nat]Absence check using 18 positive place invariants in 2 ms returned sat
[2025-06-07 23:16:32] [INFO ] [Nat]Absence check using 18 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-07 23:16:32] [INFO ] After 27ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-07 23:16:32] [INFO ] After 34ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-07 23:16:32] [INFO ] After 90ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 189 ms.
Successfully simplified 7 atomic propositions for a total of 12 simplifications.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 31 stable transitions
Graph (complete) has 472 edges and 79 vertex of which 70 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&G(p1)) U (G(p2) U X((p3||F(G(!p1)))))))'
Support contains 6 out of 79 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 70 transition count 109
Applied a total of 9 rules in 1 ms. Remains 70 /79 variables (removed 9) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
// Phase 1: matrix 109 rows 70 cols
[2025-06-07 23:16:33] [INFO ] Computed 18 invariants in 1 ms
[2025-06-07 23:16:33] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 179/179 variables, and 118 constraints, problems are : Problem set: 0 solved, 79 unsolved in 5491 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/70 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 79/197 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/179 variables, and 197 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/70 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25524ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 25524ms
[2025-06-07 23:16:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:16:58] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-06-07 23:16:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:16:59] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:16:59] [INFO ] Implicit Places using invariants and state equation in 334 ms returned []
Implicit Place search using SMT with State Equation took 425 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:16:59] [INFO ] Invariant cache hit.
[2025-06-07 23:16:59] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 179/179 variables, and 118 constraints, problems are : Problem set: 0 solved, 79 unsolved in 5537 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/70 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 79/197 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/179 variables, and 197 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/70 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35567ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 35568ms
Starting structural reductions in LTL mode, iteration 1 : 70/79 places, 109/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61521 ms. Remains : 70/79 places, 109/109 transitions.
Stuttering acceptance computed with spot in 603 ms :[(AND p1 (NOT p3)), (AND (NOT p3) p1), false, (AND p1 (NOT p3)), (AND p1 (NOT p3)), false, p1, false, (AND p1 (NOT p2)), false]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-00
Product exploration explored 100000 steps with 0 reset in 236 ms.
Stack based approach found an accepted trace after 427 steps with 1 reset with depth 413 and stack size 413 in 2 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-00 finished in 62455 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)||F((p1&&F(p0))))))'
Support contains 3 out of 79 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 72 transition count 109
Applied a total of 7 rules in 3 ms. Remains 72 /79 variables (removed 7) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
// Phase 1: matrix 109 rows 72 cols
[2025-06-07 23:17:35] [INFO ] Computed 18 invariants in 2 ms
[2025-06-07 23:17:35] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 2/181 variables, 2/120 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/181 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 120 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8314 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 72/72 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 71/189 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/181 variables, and 189 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/72 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 71/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28345ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 28345ms
[2025-06-07 23:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:18:04] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-07 23:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:18:04] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:18:04] [INFO ] Implicit Places using invariants and state equation in 437 ms returned []
Implicit Place search using SMT with State Equation took 493 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:18:04] [INFO ] Invariant cache hit.
[2025-06-07 23:18:04] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 2/181 variables, 2/120 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/181 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 120 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8493 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 72/72 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 71/189 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/181 variables, and 189 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/72 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 71/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38523ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 38525ms
Starting structural reductions in LTL mode, iteration 1 : 72/79 places, 109/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67370 ms. Remains : 72/79 places, 109/109 transitions.
Stuttering acceptance computed with spot in 179 ms :[(NOT p1), (NOT p0), (NOT p1), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-02
Product exploration explored 100000 steps with 0 reset in 148 ms.
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-02 finished in 67719 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 2 out of 79 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Graph (complete) has 472 edges and 79 vertex of which 70 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 70 transition count 108
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 69 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 68 transition count 107
Applied a total of 5 rules in 13 ms. Remains 68 /79 variables (removed 11) and now considering 107/109 (removed 2) transitions.
Running 77 sub problems to find dead transitions.
// Phase 1: matrix 107 rows 68 cols
[2025-06-07 23:18:43] [INFO ] Computed 18 invariants in 3 ms
[2025-06-07 23:18:43] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:18:45] [INFO ] Deduced a trap composed of 33 places in 61 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (OVERLAPS) 0/175 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 175/175 variables, and 117 constraints, problems are : Problem set: 0 solved, 77 unsolved in 6007 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 2/68 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 107/175 variables, 68/87 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 30/117 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 77/194 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/175 variables, and 194 constraints, problems are : Problem set: 0 solved, 77 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26044ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 26044ms
[2025-06-07 23:19:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:19:09] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-07 23:19:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:19:09] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:19:09] [INFO ] Implicit Places using invariants and state equation in 335 ms returned []
Implicit Place search using SMT with State Equation took 402 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:19:09] [INFO ] Redundant transitions in 2 ms returned []
Running 77 sub problems to find dead transitions.
[2025-06-07 23:19:09] [INFO ] Invariant cache hit.
[2025-06-07 23:19:09] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 175/175 variables, and 116 constraints, problems are : Problem set: 0 solved, 77 unsolved in 4096 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 77/193 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/175 variables, and 193 constraints, problems are : Problem set: 0 solved, 77 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 34137ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 34138ms
Starting structural reductions in SI_LTL mode, iteration 1 : 68/79 places, 107/109 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60604 ms. Remains : 68/79 places, 107/109 transitions.
Stuttering acceptance computed with spot in 39 ms :[p0]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-04
Product exploration explored 100000 steps with 0 reset in 156 ms.
Stuttering criterion allowed to conclude after 14 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-04 finished in 60819 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U p1))'
Support contains 3 out of 79 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Graph (complete) has 472 edges and 79 vertex of which 70 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 70 transition count 108
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 69 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 68 transition count 107
Applied a total of 5 rules in 11 ms. Remains 68 /79 variables (removed 11) and now considering 107/109 (removed 2) transitions.
Running 77 sub problems to find dead transitions.
[2025-06-07 23:19:44] [INFO ] Invariant cache hit.
[2025-06-07 23:19:44] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 175/175 variables, and 116 constraints, problems are : Problem set: 0 solved, 77 unsolved in 4050 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 77/193 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/175 variables, and 193 constraints, problems are : Problem set: 0 solved, 77 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24084ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 24084ms
[2025-06-07 23:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:20:08] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-07 23:20:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:20:08] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:20:08] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 477 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:20:08] [INFO ] Redundant transitions in 3 ms returned []
Running 77 sub problems to find dead transitions.
[2025-06-07 23:20:08] [INFO ] Invariant cache hit.
[2025-06-07 23:20:08] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 175/175 variables, and 116 constraints, problems are : Problem set: 0 solved, 77 unsolved in 4138 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 77/193 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/175 variables, and 193 constraints, problems are : Problem set: 0 solved, 77 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 34180ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 34180ms
Starting structural reductions in SI_LTL mode, iteration 1 : 68/79 places, 107/109 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58768 ms. Remains : 68/79 places, 107/109 transitions.
Stuttering acceptance computed with spot in 75 ms :[true, (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-06
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-06 finished in 58862 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(p0))&&X(X(X(X(X(G(p1))))))))'
Support contains 3 out of 79 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 71 transition count 109
Applied a total of 8 rules in 3 ms. Remains 71 /79 variables (removed 8) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
// Phase 1: matrix 109 rows 71 cols
[2025-06-07 23:20:43] [INFO ] Computed 18 invariants in 2 ms
[2025-06-07 23:20:43] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 7933 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 193 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27978ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 27978ms
[2025-06-07 23:21:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:21:11] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-06-07 23:21:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:21:11] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:21:11] [INFO ] Implicit Places using invariants and state equation in 372 ms returned []
Implicit Place search using SMT with State Equation took 478 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:21:11] [INFO ] Invariant cache hit.
[2025-06-07 23:21:11] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 7847 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:21:45] [INFO ] Deduced a trap along path composed of 6 places in 66 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 194 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 37895ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 37896ms
Starting structural reductions in LTL mode, iteration 1 : 71/79 places, 109/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66356 ms. Remains : 71/79 places, 109/109 transitions.
Stuttering acceptance computed with spot in 363 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-08 finished in 66746 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(p1)))'
Support contains 3 out of 79 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Graph (complete) has 472 edges and 79 vertex of which 73 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 73 transition count 108
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 72 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 71 transition count 107
Applied a total of 5 rules in 9 ms. Remains 71 /79 variables (removed 8) and now considering 107/109 (removed 2) transitions.
Running 77 sub problems to find dead transitions.
// Phase 1: matrix 107 rows 71 cols
[2025-06-07 23:21:49] [INFO ] Computed 18 invariants in 1 ms
[2025-06-07 23:21:49] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 3/178 variables, 3/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:21:54] [INFO ] Deduced a trap composed of 45 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:21:54] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/178 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (OVERLAPS) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 121 constraints, problems are : Problem set: 0 solved, 77 unsolved in 8827 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 65/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/178 variables, and 181 constraints, problems are : Problem set: 0 solved, 77 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 65/77 constraints, Known Traps: 0/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28882ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 28883ms
[2025-06-07 23:22:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:22:18] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-07 23:22:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:22:18] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:22:19] [INFO ] Implicit Places using invariants and state equation in 376 ms returned []
Implicit Place search using SMT with State Equation took 436 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:22:19] [INFO ] Redundant transitions in 5 ms returned []
Running 77 sub problems to find dead transitions.
[2025-06-07 23:22:19] [INFO ] Invariant cache hit.
[2025-06-07 23:22:19] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 3/178 variables, 3/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:22:24] [INFO ] Deduced a trap composed of 45 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:22:24] [INFO ] Deduced a trap composed of 33 places in 53 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/178 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 12 (OVERLAPS) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 121 constraints, problems are : Problem set: 0 solved, 77 unsolved in 9075 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (OVERLAPS) 2/68 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (OVERLAPS) 107/175 variables, 68/86 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 30/116 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/175 variables, 65/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:22:49] [INFO ] Deduced a trap along path composed of 5 places in 45 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 175/178 variables, and 182 constraints, problems are : Problem set: 0 solved, 77 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 68/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 65/77 constraints, Known Traps: 0/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 39103ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 39104ms
Starting structural reductions in SI_LTL mode, iteration 1 : 71/79 places, 107/109 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 68447 ms. Remains : 71/79 places, 107/109 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-09
Product exploration explored 100000 steps with 0 reset in 143 ms.
Product exploration explored 100000 steps with 1 reset in 177 ms.
Computed a total of 4 stabilizing places and 31 stable transitions
Graph (complete) has 452 edges and 71 vertex of which 68 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 31 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p1 p0))), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 118 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 51 ms :[true, (NOT p1)]
RANDOM walk for 40000 steps (8 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (15 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 18888 steps, run visited all 1 properties in 47 ms. (steps per millisecond=401 )
Probabilistic random walk after 18888 steps, saw 7195 distinct states, run finished after 49 ms. (steps per millisecond=385 ) properties seen :1
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p1 p0))), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Property proved to be false thanks to negative knowledge :(F (NOT p1))
Knowledge based reduction with 13 factoid took 148 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-09 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-09 finished in 69325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((p0 U p1) U X(X(!p0))))))'
Support contains 2 out of 79 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 71 transition count 109
Applied a total of 8 rules in 2 ms. Remains 71 /79 variables (removed 8) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
// Phase 1: matrix 109 rows 71 cols
[2025-06-07 23:22:59] [INFO ] Computed 18 invariants in 1 ms
[2025-06-07 23:22:59] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8215 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 193 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20045 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28272ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 28273ms
[2025-06-07 23:23:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:23:27] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-07 23:23:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:23:27] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:23:27] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:23:27] [INFO ] Invariant cache hit.
[2025-06-07 23:23:27] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8183 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 193 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38209ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 38209ms
Starting structural reductions in LTL mode, iteration 1 : 71/79 places, 109/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66807 ms. Remains : 71/79 places, 109/109 transitions.
Stuttering acceptance computed with spot in 390 ms :[p0, p0, (AND (NOT p1) p0), p0, p0, p0, (AND (NOT p1) p0), p0, (AND (NOT p1) p0), false]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-12
Product exploration explored 100000 steps with 24978 reset in 255 ms.
Product exploration explored 100000 steps with 24848 reset in 325 ms.
Computed a total of 4 stabilizing places and 31 stable transitions
Graph (complete) has 448 edges and 71 vertex of which 70 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 4 stabilizing places and 31 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (OR p1 p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 135 ms. Reduced automaton from 10 states, 29 edges and 2 AP (stutter sensitive) to 10 states, 29 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 438 ms :[p0, p0, (AND p0 (NOT p1)), p0, p0, p0, (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), false]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40002 steps (13 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
[2025-06-07 23:24:07] [INFO ] Invariant cache hit.
[2025-06-07 23:24:07] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 55/64 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/66 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/66 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/82 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 16/98 variables, 16/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 82/180 variables, 60/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/180 variables, 30/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 55/64 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/66 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/66 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/82 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 16/98 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/98 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 82/180 variables, 60/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/180 variables, 30/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/180 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/180 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 180/180 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 180ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=10 )
Parikh walk visited 1 properties in 4 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (OR p1 p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 283 ms. Reduced automaton from 10 states, 29 edges and 2 AP (stutter sensitive) to 10 states, 29 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 451 ms :[p0, p0, (AND p0 (NOT p1)), p0, p0, p0, (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), false]
Stuttering acceptance computed with spot in 431 ms :[p0, p0, (AND p0 (NOT p1)), p0, p0, p0, (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), false]
Support contains 2 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 109/109 transitions.
Applied a total of 0 rules in 3 ms. Remains 71 /71 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:24:09] [INFO ] Invariant cache hit.
[2025-06-07 23:24:09] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8287 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 193 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28317ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 28318ms
[2025-06-07 23:24:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:24:37] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-07 23:24:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:24:37] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:24:37] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 341 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:24:37] [INFO ] Invariant cache hit.
[2025-06-07 23:24:37] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8356 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 193 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38398ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 38398ms
Finished structural reductions in LTL mode , in 1 iterations and 67061 ms. Remains : 71/71 places, 109/109 transitions.
Computed a total of 4 stabilizing places and 31 stable transitions
Graph (complete) has 448 edges and 71 vertex of which 70 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 31 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (OR p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 117 ms. Reduced automaton from 10 states, 29 edges and 2 AP (stutter sensitive) to 10 states, 29 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 348 ms :[p0, p0, (AND p0 (NOT p1)), p0, p0, p0, (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), false]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40005 steps (9 resets) in 53 ms. (740 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
[2025-06-07 23:25:16] [INFO ] Invariant cache hit.
[2025-06-07 23:25:16] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 55/64 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/66 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/66 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/82 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 16/98 variables, 16/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 82/180 variables, 60/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/180 variables, 30/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 55/64 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/66 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/66 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 16/82 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 16/98 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/98 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 82/180 variables, 60/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/180 variables, 30/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/180 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/180 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 180/180 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 208ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=10 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (OR p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 290 ms. Reduced automaton from 10 states, 29 edges and 2 AP (stutter sensitive) to 10 states, 29 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 381 ms :[p0, p0, (AND p0 (NOT p1)), p0, p0, p0, (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), false]
Stuttering acceptance computed with spot in 360 ms :[p0, p0, (AND p0 (NOT p1)), p0, p0, p0, (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), false]
Stuttering acceptance computed with spot in 346 ms :[p0, p0, (AND p0 (NOT p1)), p0, p0, p0, (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), false]
Product exploration explored 100000 steps with 25026 reset in 175 ms.
Product exploration explored 100000 steps with 25014 reset in 180 ms.
Built C files in :
/tmp/ltsmin5310313319596287432
[2025-06-07 23:25:18] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5310313319596287432
Running compilation step : cd /tmp/ltsmin5310313319596287432;'/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 339 ms.
Running link step : cd /tmp/ltsmin5310313319596287432;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin5310313319596287432;'/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/stateBased6236376722798248479.hoa' '--buchi-type=spotba'
LTSmin run took 197 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-12 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-12 finished in 140253 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(F(p1)))))'
Support contains 4 out of 79 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 71 transition count 109
Applied a total of 8 rules in 4 ms. Remains 71 /79 variables (removed 8) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
// Phase 1: matrix 109 rows 71 cols
[2025-06-07 23:25:19] [INFO ] Computed 18 invariants in 1 ms
[2025-06-07 23:25:19] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8174 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 193 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28199ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 28199ms
[2025-06-07 23:25:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:25:47] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-07 23:25:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:25:47] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:25:48] [INFO ] Implicit Places using invariants and state equation in 429 ms returned []
Implicit Place search using SMT with State Equation took 505 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:25:48] [INFO ] Invariant cache hit.
[2025-06-07 23:25:48] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 1/180 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/180 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 119 constraints, problems are : Problem set: 0 solved, 79 unsolved in 7696 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 75/193 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:26:18] [INFO ] Deduced a trap composed of 35 places in 57 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/179 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/180 variables, and 194 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/71 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 75/79 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37728ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 37728ms
Starting structural reductions in LTL mode, iteration 1 : 71/79 places, 109/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66443 ms. Remains : 71/79 places, 109/109 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 202 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-13 finished in 66594 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(((p1 U X(p2))||F(p3))))))'
Support contains 5 out of 79 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 79/79 places, 109/109 transitions.
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 73 transition count 109
Applied a total of 6 rules in 1 ms. Remains 73 /79 variables (removed 6) and now considering 109/109 (removed 0) transitions.
Running 79 sub problems to find dead transitions.
// Phase 1: matrix 109 rows 73 cols
[2025-06-07 23:26:26] [INFO ] Computed 18 invariants in 0 ms
[2025-06-07 23:26:26] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 3/182 variables, 3/121 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/182 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 121 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8297 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 73/73 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 67/185 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/182 variables, and 185 constraints, problems are : Problem set: 0 solved, 79 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/73 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 67/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28331ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 28331ms
[2025-06-07 23:26:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:26:54] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-07 23:26:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:26:54] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:26:54] [INFO ] Implicit Places using invariants and state equation in 318 ms returned []
Implicit Place search using SMT with State Equation took 376 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2025-06-07 23:26:54] [INFO ] Invariant cache hit.
[2025-06-07 23:26:54] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 3/182 variables, 3/121 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 10 (OVERLAPS) 0/182 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 121 constraints, problems are : Problem set: 0 solved, 79 unsolved in 8494 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 73/73 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 3 (OVERLAPS) 2/70 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/70 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 109/179 variables, 70/88 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/179 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/179 variables, 67/185 constraints. Problems are: Problem set: 0 solved, 79 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 179/182 variables, and 185 constraints, problems are : Problem set: 0 solved, 79 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 70/73 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 67/79 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38528ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 38529ms
Starting structural reductions in LTL mode, iteration 1 : 73/79 places, 109/109 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67239 ms. Remains : 73/79 places, 109/109 transitions.
Stuttering acceptance computed with spot in 283 ms :[(OR (NOT p0) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (AND (NOT p2) (NOT p3)), (AND (NOT p3) (NOT p2)), (AND (NOT p2) (NOT p3)), (NOT p3)]
Running random walk in product with property : CopsAndRobbers-PT-CRL015X005-LTLCardinality-14
Stuttering criterion allowed to conclude after 221 steps with 48 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL015X005-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL015X005-LTLCardinality-14 finished in 67541 ms.
All properties solved by simple procedures.
Total runtime 800282 ms.

BK_STOP 1749338853649

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CopsAndRobbers-PT-CRL015X005"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is CopsAndRobbers-PT-CRL015X005, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r254-tall-174931339400179"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL015X005.tgz
mv CopsAndRobbers-PT-CRL015X005 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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