Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339400187.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-CRL023X004, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339400187
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 640K
-rw-r--r-- 1 mcc users 11K Jun 6 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Jun 6 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Jun 6 08:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K Jun 6 08:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Jun 6 11:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 11:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 11:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 11:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 12K Jun 6 08:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Jun 6 08:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Jun 6 08:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 101K Jun 6 08:58 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 126K 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-CRL023X004-LTLCardinality-00
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-01
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-02
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-03
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-04
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-05
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-06
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-07
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-08
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-09
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-10
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-11
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-12
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-13
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-14
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749339122332

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-CRL023X004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-07 23:32:03] [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 23:32:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 23:32:03] [INFO ] Load time of PNML (sax parser for PT used): 64 ms
[2025-06-07 23:32:03] [INFO ] Transformed 125 places.
[2025-06-07 23:32:03] [INFO ] Transformed 165 transitions.
[2025-06-07 23:32:03] [INFO ] Parsed PT model containing 125 places and 165 transitions and 768 arcs in 149 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 2 formulas.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 43 out of 125 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 125/125 places, 165/165 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 111 transition count 165
Applied a total of 14 rules in 28 ms. Remains 111 /125 variables (removed 14) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 111 cols
[2025-06-07 23:32:03] [INFO ] Computed 26 invariants in 12 ms
[2025-06-07 23:32:03] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 9/276 variables, 9/183 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/276 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 276/276 variables, and 183 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 83/257 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/276 variables, and 257 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20018 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/111 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 83/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40182ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 40195ms
[2025-06-07 23:32:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:32:44] [INFO ] Implicit Places using invariants in 543 ms returned []
[2025-06-07 23:32:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:32:44] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:32:45] [INFO ] Implicit Places using invariants and state equation in 541 ms returned []
Implicit Place search using SMT with State Equation took 1097 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-07 23:32:45] [INFO ] Invariant cache hit.
[2025-06-07 23:32:45] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 9/276 variables, 9/183 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/276 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (OVERLAPS) 0/276 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 276/276 variables, and 183 constraints, problems are : Problem set: 0 solved, 119 unsolved in 29631 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 83/257 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:33:37] [INFO ] Deduced a trap composed of 50 places in 78 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/276 variables, and 258 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/111 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 83/119 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59671ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 59673ms
Starting structural reductions in LTL mode, iteration 1 : 111/125 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 101032 ms. Remains : 111/125 places, 165/165 transitions.
Support contains 43 out of 111 places after structural reductions.
[2025-06-07 23:33:45] [INFO ] Flatten gal took : 32 ms
[2025-06-07 23:33:45] [INFO ] Flatten gal took : 16 ms
[2025-06-07 23:33:45] [INFO ] Input system was already deterministic with 165 transitions.
Support contains 39 out of 111 places (down from 43) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 1054 ms. (37 steps per ms) remains 13/33 properties
BEST_FIRST walk for 40002 steps (10 resets) in 429 ms. (93 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40000 steps (10 resets) in 209 ms. (190 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40002 steps (11 resets) in 177 ms. (224 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 180 ms. (221 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (10 resets) in 124 ms. (320 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (9 resets) in 92 ms. (430 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (11 resets) in 135 ms. (294 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (14 resets) in 81 ms. (487 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (10 resets) in 146 ms. (272 steps per ms) remains 10/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (11 resets) in 136 ms. (291 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 121 ms. (327 steps per ms) remains 8/8 properties
[2025-06-07 23:33:46] [INFO ] Invariant cache hit.
[2025-06-07 23:33:46] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp21 is UNSAT
At refinement iteration 1 (OVERLAPS) 24/34 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 19/53 variables, 19/24 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/24 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 7/60 variables, 1/25 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 2/62 variables, 1/26 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/62 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 131/193 variables, 62/88 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/193 variables, 12/100 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/193 variables, 0/100 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 80/273 variables, 46/146 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/273 variables, 34/180 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/273 variables, 0/180 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 3/276 variables, 3/183 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/276 variables, 0/183 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 0/276 variables, 0/183 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 276/276 variables, and 183 constraints, problems are : Problem set: 2 solved, 6 unsolved in 1025 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 23/31 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 22/53 variables, 22/24 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/24 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 7/60 variables, 1/25 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/62 variables, 1/26 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/62 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 131/193 variables, 62/88 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/193 variables, 12/100 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/193 variables, 6/106 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:33:47] [INFO ] Deduced a trap along path composed of 6 places in 30 ms of which 5 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/193 variables, 1/107 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/193 variables, 0/107 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 80/273 variables, 46/153 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/273 variables, 34/187 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/273 variables, 0/187 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 3/276 variables, 3/190 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/276 variables, 0/190 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 0/276 variables, 0/190 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 276/276 variables, and 190 constraints, problems are : Problem set: 2 solved, 6 unsolved in 1790 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 6/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2822ms problems are : Problem set: 2 solved, 6 unsolved
Parikh walk visited 0 properties in 3447 ms.
Support contains 7 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 520 edges and 111 vertex of which 108 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 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 108 transition count 164
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 107 transition count 164
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 106 transition count 163
Applied a total of 5 rules in 21 ms. Remains 106 /111 variables (removed 5) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 106 cols
[2025-06-07 23:33:52] [INFO ] Computed 26 invariants in 3 ms
[2025-06-07 23:33:52] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 6/269 variables, 6/178 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/269 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:34:07] [INFO ] Deduced a trap composed of 49 places in 59 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/269 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/269 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 269/269 variables, and 179 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 106/106 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 93/265 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/269 variables, and 265 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/106 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 93/117 constraints, Known Traps: 0/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40093ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40093ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40115 ms. Remains : 106/111 places, 163/165 transitions.
RANDOM walk for 40000 steps (8 resets) in 405 ms. (98 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (11 resets) in 142 ms. (279 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (9 resets) in 104 ms. (380 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (10 resets) in 174 ms. (228 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (9 resets) in 111 ms. (357 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (10 resets) in 82 ms. (481 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 654534 steps, run timeout after 3001 ms. (steps per millisecond=218 ) properties seen :0 out of 6
Probabilistic random walk after 654534 steps, saw 223482 distinct states, run finished after 3006 ms. (steps per millisecond=217 ) properties seen :0
[2025-06-07 23:34:35] [INFO ] Invariant cache hit.
[2025-06-07 23:34:35] [INFO ] State equation strengthened by 46 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 23/31 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 22/53 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 5/58 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/58 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/60 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 129/189 variables, 60/86 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 12/98 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 80/269 variables, 46/144 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/269 variables, 34/178 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/269 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 0/269 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 269/269 variables, and 178 constraints, problems are : Problem set: 0 solved, 6 unsolved in 885 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 106/106 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 23/31 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 22/53 variables, 22/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 5/58 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/58 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/60 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 129/189 variables, 60/86 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 12/98 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 6/104 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:34:37] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 80/269 variables, 46/150 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/269 variables, 34/184 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:34:37] [INFO ] Deduced a trap composed of 49 places in 68 ms of which 9 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/269 variables, 1/185 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/269 variables, 1/186 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/269 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (OVERLAPS) 0/269 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 269/269 variables, and 186 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1528 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 106/106 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2418ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 3 properties in 98 ms.
Support contains 3 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 163/163 transitions.
Graph (complete) has 509 edges and 106 vertex of which 103 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 6 ms. Remains 103 /106 variables (removed 3) and now considering 163/163 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 103/106 places, 163/163 transitions.
RANDOM walk for 40003 steps (8 resets) in 95 ms. (416 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (10 resets) in 62 ms. (634 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (11 resets) in 56 ms. (701 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (10 resets) in 57 ms. (689 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 851179 steps, run timeout after 3001 ms. (steps per millisecond=283 ) properties seen :0 out of 3
Probabilistic random walk after 851179 steps, saw 294603 distinct states, run finished after 3001 ms. (steps per millisecond=283 ) properties seen :0
// Phase 1: matrix 163 rows 103 cols
[2025-06-07 23:34:41] [INFO ] Computed 26 invariants in 3 ms
[2025-06-07 23:34:41] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 17/26 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 97/123 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 24/147 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/147 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 24/171 variables, 24/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/171 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 95/266 variables, 84/129 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 46/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 3 unsolved in 676 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 17/26 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 97/123 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 24/147 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/147 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/147 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 24/171 variables, 24/48 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/171 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 95/266 variables, 84/132 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 46/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/266 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 266/266 variables, and 178 constraints, problems are : Problem set: 0 solved, 3 unsolved in 663 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1346ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 540 ms.
Support contains 3 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 5 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 103/103 places, 163/163 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 6 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
[2025-06-07 23:34:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:34:43] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-07 23:34:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:34:43] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:34:44] [INFO ] Implicit Places using invariants and state equation in 1119 ms returned []
Implicit Place search using SMT with State Equation took 1194 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:34:44] [INFO ] Redundant transitions in 8 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:34:44] [INFO ] Invariant cache hit.
[2025-06-07 23:34:44] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 3/266 variables, 3/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20340 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 105/277 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/266 variables, and 277 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 105/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50384ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 50385ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51603 ms. Remains : 103/103 places, 163/163 transitions.
Successfully simplified 2 atomic propositions for a total of 14 simplifications.
Computed a total of 4 stabilizing places and 47 stable transitions
Graph (complete) has 704 edges and 111 vertex of which 102 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 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 (!p0&&G(p1))))'
Support contains 5 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 704 edges and 111 vertex of which 102 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 102 transition count 164
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 101 transition count 164
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 100 transition count 163
Applied a total of 5 rules in 13 ms. Remains 100 /111 variables (removed 11) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 100 cols
[2025-06-07 23:35:35] [INFO ] Computed 26 invariants in 3 ms
[2025-06-07 23:35:35] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:35:40] [INFO ] Deduced a trap composed of 49 places in 48 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 117/290 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/263 variables, and 290 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40068ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40070ms
[2025-06-07 23:36:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:36:15] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-07 23:36:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:36:15] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:36:16] [INFO ] Implicit Places using invariants and state equation in 1203 ms returned []
Implicit Place search using SMT with State Equation took 1280 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:36:16] [INFO ] Redundant transitions in 4 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:36:16] [INFO ] Invariant cache hit.
[2025-06-07 23:36:16] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:36:22] [INFO ] Deduced a trap composed of 49 places in 57 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 21546 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 117/290 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/263 variables, and 290 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51590ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 51591ms
Starting structural reductions in SI_LTL mode, iteration 1 : 100/111 places, 163/165 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92962 ms. Remains : 100/111 places, 163/165 transitions.
Stuttering acceptance computed with spot in 209 ms :[(NOT p1), true, (OR (NOT p1) p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 196 steps with 0 reset in 4 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-01 finished in 93227 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||F((p1&&F(p0))))) U X(p2)))'
Support contains 5 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 105 transition count 165
Applied a total of 6 rules in 2 ms. Remains 105 /111 variables (removed 6) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 105 cols
[2025-06-07 23:37:08] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:37:08] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 3/270 variables, 3/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 177 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 107/281 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/270 variables, and 281 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 107/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40047ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 40047ms
[2025-06-07 23:37:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:37:48] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-07 23:37:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:37:48] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:37:49] [INFO ] Implicit Places using invariants and state equation in 1059 ms returned []
Implicit Place search using SMT with State Equation took 1132 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-07 23:37:49] [INFO ] Invariant cache hit.
[2025-06-07 23:37:49] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 3/270 variables, 3/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:38:13] [INFO ] Deduced a trap along path composed of 6 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/270 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 178 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 107/281 constraints. Problems are: Problem set: 0 solved, 119 unsolved
SMT process timed out in 60052ms, After SMT, problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 60053ms
Starting structural reductions in LTL mode, iteration 1 : 105/111 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 101236 ms. Remains : 105/111 places, 165/165 transitions.
Stuttering acceptance computed with spot in 221 ms :[(NOT p2), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-03
Product exploration explored 100000 steps with 9 reset in 261 ms.
Product exploration explored 100000 steps with 95 reset in 226 ms.
Computed a total of 4 stabilizing places and 47 stable transitions
Graph (complete) has 686 edges and 105 vertex of which 102 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 47 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p0 (NOT p1) (NOT p2))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT p2))), (X (X p2))]
Knowledge based reduction with 11 factoid took 297 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 210 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
RANDOM walk for 40003 steps (9 resets) in 120 ms. (330 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (9 resets) in 110 ms. (360 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (10 resets) in 74 ms. (533 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 77 ms. (512 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (11 resets) in 103 ms. (384 steps per ms) remains 5/5 properties
[2025-06-07 23:38:51] [INFO ] Invariant cache hit.
[2025-06-07 23:38:51] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 87/106 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2/108 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 24/132 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 24/156 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/156 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 114/270 variables, 84/131 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/270 variables, 46/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 177 constraints, problems are : Problem set: 0 solved, 5 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 87/106 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2/108 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 24/132 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 24/156 variables, 24/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/156 variables, 4/52 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/156 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 114/270 variables, 84/136 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/270 variables, 46/182 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:38:52] [INFO ] Deduced a trap along path composed of 6 places in 45 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/270 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/270 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 0/270 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 270/270 variables, and 183 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1121 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1371ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 125 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 165/165 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 105 transition count 164
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 104 transition count 164
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 103 transition count 163
Applied a total of 4 rules in 14 ms. Remains 103 /105 variables (removed 2) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 103 cols
[2025-06-07 23:38:52] [INFO ] Computed 26 invariants in 2 ms
[2025-06-07 23:38:52] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 3/266 variables, 3/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20006 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 105/277 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/266 variables, and 277 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 105/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40051ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40052ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40067 ms. Remains : 103/105 places, 163/165 transitions.
RANDOM walk for 40000 steps (8 resets) in 116 ms. (341 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 69 ms. (571 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (10 resets) in 67 ms. (588 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (14 resets) in 92 ms. (430 steps per ms) remains 3/5 properties
[2025-06-07 23:39:33] [INFO ] Invariant cache hit.
[2025-06-07 23:39:33] [INFO ] State equation strengthened by 46 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 91/266 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 46/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 3 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 91/266 variables, 82/132 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 46/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/266 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 266/266 variables, and 178 constraints, problems are : Problem set: 0 solved, 3 unsolved in 646 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 753ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 535 ms.
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 5 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 103/103 places, 163/163 transitions.
RANDOM walk for 40000 steps (8 resets) in 72 ms. (547 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (12 resets) in 67 ms. (588 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 82 ms. (481 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (11 resets) in 66 ms. (597 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 734854 steps, run timeout after 3001 ms. (steps per millisecond=244 ) properties seen :0 out of 3
Probabilistic random walk after 734854 steps, saw 252902 distinct states, run finished after 3001 ms. (steps per millisecond=244 ) properties seen :0
[2025-06-07 23:39:37] [INFO ] Invariant cache hit.
[2025-06-07 23:39:37] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 91/266 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 46/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 3 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 91/266 variables, 82/132 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 46/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/266 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 266/266 variables, and 178 constraints, problems are : Problem set: 0 solved, 3 unsolved in 659 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 781ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 576 ms.
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 4 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 103/103 places, 163/163 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 4 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
[2025-06-07 23:39:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:39:39] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-06-07 23:39:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:39:39] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:39:40] [INFO ] Implicit Places using invariants and state equation in 1079 ms returned []
Implicit Place search using SMT with State Equation took 1146 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:39:40] [INFO ] Redundant transitions in 4 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:39:40] [INFO ] Invariant cache hit.
[2025-06-07 23:39:40] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 3/266 variables, 3/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20944 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 105/277 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/266 variables, and 277 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 105/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50991ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 50992ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52156 ms. Remains : 103/103 places, 163/163 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 38 place count 103 transition count 125
Applied a total of 38 rules in 6 ms. Remains 103 /103 variables (removed 0) and now considering 125/163 (removed 38) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 125 rows 103 cols
[2025-06-07 23:40:31] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 23:40:31] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 23:40:31] [INFO ] [Nat]Absence check using 25 positive place invariants in 3 ms returned sat
[2025-06-07 23:40:31] [INFO ] [Nat]Absence check using 25 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-07 23:40:31] [INFO ] After 780ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-06-07 23:40:32] [INFO ] After 1111ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-07 23:40:32] [INFO ] After 1264ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 1319 ms.
Knowledge obtained : [(AND p0 (NOT p1) p2), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND p0 (NOT p1) (NOT p2))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (X (NOT p2))), (X (X p2)), (F (NOT p2)), (F (NOT (OR p0 p1))), (F p1), (F (NOT p0))]
Knowledge based reduction with 11 factoid took 418 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 165/165 transitions.
Applied a total of 0 rules in 2 ms. Remains 105 /105 variables (removed 0) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 105 cols
[2025-06-07 23:40:33] [INFO ] Computed 26 invariants in 3 ms
[2025-06-07 23:40:33] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 3/270 variables, 3/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 177 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 107/281 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/270 variables, and 281 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 107/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40066ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 40066ms
[2025-06-07 23:41:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:41:13] [INFO ] Implicit Places using invariants in 75 ms returned []
[2025-06-07 23:41:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:41:13] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:41:14] [INFO ] Implicit Places using invariants and state equation in 1041 ms returned []
Implicit Place search using SMT with State Equation took 1118 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-07 23:41:14] [INFO ] Invariant cache hit.
[2025-06-07 23:41:14] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 3/270 variables, 3/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:41:37] [INFO ] Deduced a trap along path composed of 6 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/270 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 178 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30008 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 107/281 constraints. Problems are: Problem set: 0 solved, 119 unsolved
SMT process timed out in 60042ms, After SMT, problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 60043ms
Finished structural reductions in LTL mode , in 1 iterations and 101232 ms. Remains : 105/105 places, 165/165 transitions.
Computed a total of 4 stabilizing places and 47 stable transitions
Graph (complete) has 686 edges and 105 vertex of which 102 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 47 stable transitions
Knowledge obtained : [(AND p2 p0 (NOT p1)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (NOT p2)), (X p2), (X (X (NOT p2))), (X (X p2))]
Knowledge based reduction with 11 factoid took 223 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 206 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 91 ms. (434 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (11 resets) in 75 ms. (526 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (12 resets) in 71 ms. (555 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (8 resets) in 82 ms. (481 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 95 ms. (416 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40003 steps (9 resets) in 57 ms. (689 steps per ms) remains 5/5 properties
[2025-06-07 23:42:15] [INFO ] Invariant cache hit.
[2025-06-07 23:42:15] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 87/106 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2/108 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 24/132 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 24/156 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/156 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 114/270 variables, 84/131 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/270 variables, 46/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/270 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 177 constraints, problems are : Problem set: 0 solved, 5 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 87/106 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 2/108 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 24/132 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 24/156 variables, 24/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/156 variables, 4/52 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/156 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 114/270 variables, 84/136 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/270 variables, 46/182 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:42:15] [INFO ] Deduced a trap along path composed of 6 places in 49 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/270 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/270 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 0/270 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 270/270 variables, and 183 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1123 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1363ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 233 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 165/165 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 105 transition count 164
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 104 transition count 164
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 4 place count 103 transition count 163
Applied a total of 4 rules in 8 ms. Remains 103 /105 variables (removed 2) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 103 cols
[2025-06-07 23:42:16] [INFO ] Computed 26 invariants in 2 ms
[2025-06-07 23:42:16] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 3/266 variables, 3/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 105/277 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/266 variables, and 277 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 105/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40049ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40050ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40058 ms. Remains : 103/105 places, 163/165 transitions.
RANDOM walk for 40000 steps (9 resets) in 110 ms. (360 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (13 resets) in 63 ms. (625 steps per ms) remains 2/5 properties
BEST_FIRST walk for 40004 steps (9 resets) in 64 ms. (615 steps per ms) remains 2/2 properties
[2025-06-07 23:42:56] [INFO ] Invariant cache hit.
[2025-06-07 23:42:56] [INFO ] State equation strengthened by 46 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 91/266 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 46/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 2 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:42:57] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:42:57] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 91/266 variables, 82/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 46/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/266 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 266/266 variables, and 179 constraints, problems are : Problem set: 0 solved, 2 unsolved in 907 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1004ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 246 ms.
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 4 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 103/103 places, 163/163 transitions.
RANDOM walk for 40001 steps (8 resets) in 62 ms. (634 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (9 resets) in 80 ms. (493 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 58 ms. (678 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 853939 steps, run timeout after 3001 ms. (steps per millisecond=284 ) properties seen :0 out of 2
Probabilistic random walk after 853939 steps, saw 295594 distinct states, run finished after 3001 ms. (steps per millisecond=284 ) properties seen :0
[2025-06-07 23:43:01] [INFO ] Invariant cache hit.
[2025-06-07 23:43:01] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 91/266 variables, 82/129 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 46/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 2 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 14/19 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 108/127 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 24/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 24/175 variables, 24/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:43:01] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:43:01] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 91/266 variables, 82/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 46/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/266 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 266/266 variables, and 179 constraints, problems are : Problem set: 0 solved, 2 unsolved in 886 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 996ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 268 ms.
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 5 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 103/103 places, 163/163 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 163/163 transitions.
Applied a total of 0 rules in 3 ms. Remains 103 /103 variables (removed 0) and now considering 163/163 (removed 0) transitions.
[2025-06-07 23:43:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:43:02] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-07 23:43:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:43:02] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:43:03] [INFO ] Implicit Places using invariants and state equation in 1085 ms returned []
Implicit Place search using SMT with State Equation took 1152 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:43:03] [INFO ] Redundant transitions in 4 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:43:03] [INFO ] Invariant cache hit.
[2025-06-07 23:43:03] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 3/266 variables, 3/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/266 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 266/266 variables, and 175 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20768 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 105/277 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/266 variables, and 277 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 105/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50807ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 50809ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51974 ms. Remains : 103/103 places, 163/163 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 38 place count 103 transition count 125
Applied a total of 38 rules in 4 ms. Remains 103 /103 variables (removed 0) and now considering 125/163 (removed 38) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 125 rows 103 cols
[2025-06-07 23:43:54] [INFO ] Computed 26 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 23:43:54] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 23:43:54] [INFO ] [Nat]Absence check using 25 positive place invariants in 3 ms returned sat
[2025-06-07 23:43:54] [INFO ] [Nat]Absence check using 25 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-07 23:43:56] [INFO ] After 2049ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-07 23:43:56] [INFO ] After 2141ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-07 23:43:56] [INFO ] After 2298ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 2339 ms.
Knowledge obtained : [(AND p2 p0 (NOT p1)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (NOT p2)), (X p2), (X (X (NOT p2))), (X (X p2)), (F (NOT p2)), (F (NOT (OR p0 p1))), (F p1), (F (NOT p0)), (F (NOT (OR p2 p0 p1)))]
Knowledge based reduction with 11 factoid took 438 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 196 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 212 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 225 reset in 186 ms.
Product exploration explored 100000 steps with 5 reset in 174 ms.
Applying partial POR strategy [false, true, true, true, true]
Stuttering acceptance computed with spot in 210 ms :[(NOT p2), (NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 165/165 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 105 transition count 165
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 16 ms. Remains 105 /105 variables (removed 0) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 105 cols
[2025-06-07 23:43:58] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:43:58] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:43:59] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 3 ms to minimize.
Problem TDEAD1 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 6 (OVERLAPS) 165/267 variables, 102/129 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 46/175 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/267 variables, 0/175 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 9 (OVERLAPS) 3/270 variables, 3/178 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 0/178 constraints. Problems are: Problem set: 1 solved, 118 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 178 constraints, problems are : Problem set: 1 solved, 118 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 105/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 118 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 23/23 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 2 (OVERLAPS) 3/102 variables, 2/25 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 1/26 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 6 (OVERLAPS) 165/267 variables, 102/129 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 46/175 constraints. Problems are: Problem set: 1 solved, 118 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/267 variables, 106/281 constraints. Problems are: Problem set: 1 solved, 118 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/270 variables, and 281 constraints, problems are : Problem set: 1 solved, 118 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/105 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 106/119 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40042ms problems are : Problem set: 1 solved, 118 unsolved
Search for dead transitions found 1 dead transitions in 40044ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:44:38] [INFO ] Redundant transitions in 1 ms returned []
Starting structural reductions in SI_LTL mode, iteration 1 : 105/105 places, 164/165 transitions.
Graph (complete) has 685 edges and 105 vertex of which 104 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 104 /105 variables (removed 1) and now considering 164/164 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 104/105 places, 164/165 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 40078 ms. Remains : 104/105 places, 164/165 transitions.
Built C files in :
/tmp/ltsmin16560531530022436184
[2025-06-07 23:44:38] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16560531530022436184
Running compilation step : cd /tmp/ltsmin16560531530022436184;'/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 367 ms.
Running link step : cd /tmp/ltsmin16560531530022436184;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 46 ms.
Running LTSmin : cd /tmp/ltsmin16560531530022436184;'/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/stateBased10521230368829832434.hoa' '--buchi-type=spotba'
LTSmin run took 218 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-03 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-03 finished in 450639 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 704 edges and 111 vertex of which 102 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 102 transition count 164
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 101 transition count 164
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 100 transition count 163
Applied a total of 5 rules in 12 ms. Remains 100 /111 variables (removed 11) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 100 cols
[2025-06-07 23:44:39] [INFO ] Computed 26 invariants in 3 ms
[2025-06-07 23:44:39] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:44:44] [INFO ] Deduced a trap composed of 49 places in 63 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 117/290 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/263 variables, and 290 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40058ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40059ms
[2025-06-07 23:45:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:45:19] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-06-07 23:45:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:45:19] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:45:20] [INFO ] Implicit Places using invariants and state equation in 1349 ms returned []
Implicit Place search using SMT with State Equation took 1427 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:45:20] [INFO ] Redundant transitions in 2 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:45:20] [INFO ] Invariant cache hit.
[2025-06-07 23:45:20] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:45:26] [INFO ] Deduced a trap composed of 49 places in 54 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 21791 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 117/290 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/263 variables, and 290 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/100 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51829ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 51830ms
Starting structural reductions in SI_LTL mode, iteration 1 : 100/111 places, 163/165 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 93340 ms. Remains : 100/111 places, 163/165 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-04
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-04 finished in 93426 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 704 edges and 111 vertex of which 103 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 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 103 transition count 164
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 102 transition count 164
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 101 transition count 163
Applied a total of 5 rules in 14 ms. Remains 101 /111 variables (removed 10) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 101 cols
[2025-06-07 23:46:12] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:46:12] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 113/285 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 285 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40050ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40051ms
[2025-06-07 23:46:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:46:52] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-07 23:46:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:46:53] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:46:54] [INFO ] Implicit Places using invariants and state equation in 1316 ms returned []
Implicit Place search using SMT with State Equation took 1391 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:46:54] [INFO ] Redundant transitions in 1 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:46:54] [INFO ] Invariant cache hit.
[2025-06-07 23:46:54] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20706 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 113/285 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 285 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50749ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 50750ms
Starting structural reductions in SI_LTL mode, iteration 1 : 101/111 places, 163/165 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92213 ms. Remains : 101/111 places, 163/165 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-05
Product exploration explored 100000 steps with 0 reset in 179 ms.
Stack based approach found an accepted trace after 235 steps with 0 reset with depth 236 and stack size 236 in 1 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-05 finished in 92447 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&&X(p0))||X(G(p0)))))'
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 102 transition count 165
Applied a total of 9 rules in 1 ms. Remains 102 /111 variables (removed 9) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 102 cols
[2025-06-07 23:47:45] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:47:45] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 174 constraints, problems are : Problem set: 0 solved, 119 unsolved in 18225 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 119/293 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 293 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38256ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 38257ms
[2025-06-07 23:48:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:48:23] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-07 23:48:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:48:23] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:48:25] [INFO ] Implicit Places using invariants and state equation in 1570 ms returned []
Implicit Place search using SMT with State Equation took 1642 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-07 23:48:25] [INFO ] Invariant cache hit.
[2025-06-07 23:48:25] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 174 constraints, problems are : Problem set: 0 solved, 119 unsolved in 18290 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 119/293 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 293 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48330ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 48332ms
Starting structural reductions in LTL mode, iteration 1 : 102/111 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 88232 ms. Remains : 102/111 places, 165/165 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-06
Product exploration explored 100000 steps with 33622 reset in 217 ms.
Entered a terminal (fully accepting) state of product in 22443 steps with 7546 reset in 57 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-06 finished in 88608 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 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 704 edges and 111 vertex of which 103 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 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 103 transition count 164
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 102 transition count 164
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 101 transition count 163
Applied a total of 5 rules in 10 ms. Remains 101 /111 variables (removed 10) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 101 cols
[2025-06-07 23:49:13] [INFO ] Computed 26 invariants in 0 ms
[2025-06-07 23:49:13] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 113/285 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 285 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40050ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40051ms
[2025-06-07 23:49:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:49:53] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-06-07 23:49:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:49:54] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:49:55] [INFO ] Implicit Places using invariants and state equation in 1147 ms returned []
Implicit Place search using SMT with State Equation took 1225 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:49:55] [INFO ] Redundant transitions in 0 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:49:55] [INFO ] Invariant cache hit.
[2025-06-07 23:49:55] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:50:00] [INFO ] Deduced a trap composed of 49 places in 54 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 1/264 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:50:12] [INFO ] Deduced a trap composed of 50 places in 55 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/264 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:50:17] [INFO ] Deduced a trap along path composed of 5 places in 42 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/264 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/264 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 264/264 variables, and 176 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (OVERLAPS) 163/263 variables, 100/128 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/263 variables, 113/287 constraints. Problems are: Problem set: 0 solved, 117 unsolved
SMT process timed out in 60049ms, After SMT, problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 60051ms
Starting structural reductions in SI_LTL mode, iteration 1 : 101/111 places, 163/165 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 101342 ms. Remains : 101/111 places, 163/165 transitions.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-07
Product exploration explored 100000 steps with 1 reset in 207 ms.
Product exploration explored 100000 steps with 1 reset in 268 ms.
Computed a total of 4 stabilizing places and 47 stable transitions
Graph (complete) has 678 edges and 101 vertex of which 100 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 47 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 58 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (9 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1434735 steps, run visited all 1 properties in 2827 ms. (steps per millisecond=507 )
Probabilistic random walk after 1434735 steps, saw 497860 distinct states, run finished after 2831 ms. (steps per millisecond=506 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Support contains 2 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 163/163 transitions.
Applied a total of 0 rules in 10 ms. Remains 101 /101 variables (removed 0) and now considering 163/163 (removed 0) transitions.
Running 117 sub problems to find dead transitions.
[2025-06-07 23:50:58] [INFO ] Invariant cache hit.
[2025-06-07 23:50:58] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:51:04] [INFO ] Deduced a trap composed of 49 places in 57 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 1/264 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:51:16] [INFO ] Deduced a trap composed of 50 places in 47 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/264 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 264/264 variables, and 175 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (OVERLAPS) 163/263 variables, 100/128 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/263 variables, 113/287 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 287 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40069ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40069ms
[2025-06-07 23:51:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:51:39] [INFO ] Implicit Places using invariants in 82 ms returned []
[2025-06-07 23:51:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:51:39] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:51:40] [INFO ] Implicit Places using invariants and state equation in 1171 ms returned []
Implicit Place search using SMT with State Equation took 1255 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:51:40] [INFO ] Redundant transitions in 1 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:51:40] [INFO ] Invariant cache hit.
[2025-06-07 23:51:40] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:51:46] [INFO ] Deduced a trap composed of 49 places in 51 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 1/264 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:51:58] [INFO ] Deduced a trap composed of 50 places in 56 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/264 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:52:02] [INFO ] Deduced a trap along path composed of 5 places in 38 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/264 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/264 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 264/264 variables, and 176 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (OVERLAPS) 163/263 variables, 100/128 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/263 variables, 113/287 constraints. Problems are: Problem set: 0 solved, 117 unsolved
SMT process timed out in 60054ms, After SMT, problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 60055ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 101398 ms. Remains : 101/101 places, 163/163 transitions.
Computed a total of 4 stabilizing places and 47 stable transitions
Graph (complete) has 678 edges and 101 vertex of which 100 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 4 stabilizing places and 47 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 75 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (10 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1434735 steps, run visited all 1 properties in 2829 ms. (steps per millisecond=507 )
Probabilistic random walk after 1434735 steps, saw 497860 distinct states, run finished after 2829 ms. (steps per millisecond=507 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 110 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 183 ms.
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-07 finished in 209860 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0&&X(X(X(F((p1 U (p2||G(p1))))))))||G(F((p1 U (p2||G(p1))))))))'
Support contains 6 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 104 transition count 165
Applied a total of 7 rules in 3 ms. Remains 104 /111 variables (removed 7) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 104 cols
[2025-06-07 23:52:43] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:52:43] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 2/269 variables, 2/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/269 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 269/269 variables, and 176 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 111/285 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/269 variables, and 285 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/104 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 111/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40049ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 40049ms
[2025-06-07 23:53:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:53:23] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-06-07 23:53:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:53:23] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:53:25] [INFO ] Implicit Places using invariants and state equation in 1281 ms returned []
Implicit Place search using SMT with State Equation took 1352 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-07 23:53:25] [INFO ] Invariant cache hit.
[2025-06-07 23:53:25] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 2/269 variables, 2/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/269 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (OVERLAPS) 0/269 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 269/269 variables, and 176 constraints, problems are : Problem set: 0 solved, 119 unsolved in 29743 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 111/285 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/269 variables, and 285 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/104 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 111/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59785ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 59786ms
Starting structural reductions in LTL mode, iteration 1 : 104/111 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 101192 ms. Remains : 104/111 places, 165/165 transitions.
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-08
Stuttering criterion allowed to conclude after 47 steps with 1 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-08 finished in 101383 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(G(p0)) U p1) U p2)&&F(p0))))'
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 103 transition count 165
Applied a total of 8 rules in 2 ms. Remains 103 /111 variables (removed 8) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 103 cols
[2025-06-07 23:54:25] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:54:25] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 1/268 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/268 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 268/268 variables, and 175 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 115/289 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/268 variables, and 289 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 115/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40048ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 40049ms
[2025-06-07 23:55:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:55:05] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-07 23:55:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:55:05] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:55:06] [INFO ] Implicit Places using invariants and state equation in 1166 ms returned []
Implicit Place search using SMT with State Equation took 1239 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-07 23:55:06] [INFO ] Invariant cache hit.
[2025-06-07 23:55:06] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 1/268 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/268 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (OVERLAPS) 0/268 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 268/268 variables, and 175 constraints, problems are : Problem set: 0 solved, 119 unsolved in 28967 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 115/289 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/268 variables, and 289 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 115/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59007ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 59008ms
Starting structural reductions in LTL mode, iteration 1 : 103/111 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 100301 ms. Remains : 103/111 places, 165/165 transitions.
Stuttering acceptance computed with spot in 210 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (NOT p0), (NOT p1), (NOT p2), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-09
Stuttering criterion allowed to conclude after 153 steps with 61 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-09 finished in 100540 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(X(X(p1)))))||(p2&&F(p3)))))'
Support contains 4 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 103 transition count 165
Applied a total of 8 rules in 1 ms. Remains 103 /111 variables (removed 8) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 103 cols
[2025-06-07 23:56:05] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:56:05] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 1/268 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/268 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 268/268 variables, and 175 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 115/289 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/268 variables, and 289 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 115/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40054ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 40055ms
[2025-06-07 23:56:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:56:45] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-06-07 23:56:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:56:45] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:56:46] [INFO ] Implicit Places using invariants and state equation in 740 ms returned []
Implicit Place search using SMT with State Equation took 819 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-07 23:56:46] [INFO ] Invariant cache hit.
[2025-06-07 23:56:46] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 1/268 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/268 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (OVERLAPS) 0/268 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 268/268 variables, and 175 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30008 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 115/289 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/268 variables, and 289 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 115/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60051ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 60052ms
Starting structural reductions in LTL mode, iteration 1 : 103/111 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 100928 ms. Remains : 103/111 places, 165/165 transitions.
Stuttering acceptance computed with spot in 454 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p3) (NOT p1)), (AND (NOT p3) (NOT p1)), (NOT p3)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-10
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-10 finished in 101406 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U p1))'
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 704 edges and 111 vertex of which 103 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 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 103 transition count 164
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 102 transition count 164
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 101 transition count 163
Applied a total of 5 rules in 12 ms. Remains 101 /111 variables (removed 10) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 101 cols
[2025-06-07 23:57:47] [INFO ] Computed 26 invariants in 0 ms
[2025-06-07 23:57:47] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:57:52] [INFO ] Deduced a trap composed of 49 places in 56 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 1/264 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/264 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 264/264 variables, and 174 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 113/286 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 286 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20008 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40060ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40061ms
[2025-06-07 23:58:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:58:27] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-07 23:58:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:58:27] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-07 23:58:28] [INFO ] Implicit Places using invariants and state equation in 1151 ms returned []
Implicit Place search using SMT with State Equation took 1228 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:58:28] [INFO ] Redundant transitions in 1 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-07 23:58:28] [INFO ] Invariant cache hit.
[2025-06-07 23:58:28] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:58:34] [INFO ] Deduced a trap composed of 49 places in 54 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 1/264 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/264 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 11 (OVERLAPS) 0/264 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 174 constraints, problems are : Problem set: 0 solved, 117 unsolved in 25769 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 113/286 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 286 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55812ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 55813ms
Starting structural reductions in SI_LTL mode, iteration 1 : 101/111 places, 163/165 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 97122 ms. Remains : 101/111 places, 163/165 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p1), true, (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-11
Product exploration explored 100000 steps with 0 reset in 190 ms.
Product exploration explored 100000 steps with 0 reset in 188 ms.
Computed a total of 4 stabilizing places and 47 stable transitions
Graph (complete) has 678 edges and 101 vertex of which 100 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 47 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 92 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(NOT p1), true, (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 74 ms. (533 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40003 steps (9 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (11 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
[2025-06-07 23:59:24] [INFO ] Invariant cache hit.
[2025-06-07 23:59:24] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 29/32 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 22/54 variables, 22/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1/55 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 119/174 variables, 55/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/174 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 90/264 variables, 46/129 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/264 variables, 44/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 173 constraints, problems are : Problem set: 0 solved, 2 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 29/32 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 22/54 variables, 22/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1/55 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 119/174 variables, 55/81 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/174 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/174 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 90/264 variables, 46/130 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/264 variables, 44/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/264 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/264 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/264 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 175 constraints, problems are : Problem set: 0 solved, 2 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 581ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 5 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=5 )
Parikh walk visited 2 properties in 6 ms.
Knowledge obtained : [(AND (NOT p1) p0), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 9 factoid took 173 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-11 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-11 finished in 98639 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((p0 U (p1||G(p0)))))&&(X(p2) U ((p0&&X(p2))||X(G(p2))))))'
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 102 transition count 165
Applied a total of 9 rules in 1 ms. Remains 102 /111 variables (removed 9) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 102 cols
[2025-06-07 23:59:25] [INFO ] Computed 26 invariants in 1 ms
[2025-06-07 23:59:25] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 174 constraints, problems are : Problem set: 0 solved, 119 unsolved in 18017 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 119/293 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 293 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38065ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 38066ms
[2025-06-08 00:00:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:00:03] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-08 00:00:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:00:03] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-08 00:00:05] [INFO ] Implicit Places using invariants and state equation in 1512 ms returned []
Implicit Place search using SMT with State Equation took 1587 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-08 00:00:05] [INFO ] Invariant cache hit.
[2025-06-08 00:00:05] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 174 constraints, problems are : Problem set: 0 solved, 119 unsolved in 18401 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 119/293 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 293 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48438ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 48440ms
Starting structural reductions in LTL mode, iteration 1 : 102/111 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 88095 ms. Remains : 102/111 places, 165/165 transitions.
Stuttering acceptance computed with spot in 199 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p1)), true]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-12 finished in 88317 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 704 edges and 111 vertex of which 103 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 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 103 transition count 164
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 102 transition count 164
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 101 transition count 163
Applied a total of 5 rules in 9 ms. Remains 101 /111 variables (removed 10) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 101 cols
[2025-06-08 00:00:54] [INFO ] Computed 26 invariants in 2 ms
[2025-06-08 00:00:54] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 113/285 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 285 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40047ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40049ms
[2025-06-08 00:01:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:01:34] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-08 00:01:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:01:34] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-08 00:01:35] [INFO ] Implicit Places using invariants and state equation in 1415 ms returned []
Implicit Place search using SMT with State Equation took 1483 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:01:35] [INFO ] Redundant transitions in 1 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-08 00:01:35] [INFO ] Invariant cache hit.
[2025-06-08 00:01:35] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 173 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20920 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 113/285 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 285 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50963ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 50964ms
Starting structural reductions in SI_LTL mode, iteration 1 : 101/111 places, 163/165 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92518 ms. Remains : 101/111 places, 163/165 transitions.
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-13
Product exploration explored 100000 steps with 0 reset in 193 ms.
Stack based approach found an accepted trace after 239 steps with 1 reset with depth 236 and stack size 236 in 1 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-13 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-13 finished in 92838 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((p1||F(G(p1))))))'
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 103 transition count 165
Applied a total of 8 rules in 2 ms. Remains 103 /111 variables (removed 8) and now considering 165/165 (removed 0) transitions.
Running 119 sub problems to find dead transitions.
// Phase 1: matrix 165 rows 103 cols
[2025-06-08 00:02:26] [INFO ] Computed 26 invariants in 1 ms
[2025-06-08 00:02:26] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 1/268 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/268 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 268/268 variables, and 175 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 115/289 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/268 variables, and 289 constraints, problems are : Problem set: 0 solved, 119 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 115/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40051ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 40051ms
[2025-06-08 00:03:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:03:06] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-08 00:03:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:03:07] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-08 00:03:07] [INFO ] Implicit Places using invariants and state equation in 931 ms returned []
Implicit Place search using SMT with State Equation took 1002 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-08 00:03:07] [INFO ] Invariant cache hit.
[2025-06-08 00:03:07] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:03:15] [INFO ] Deduced a trap along path composed of 6 places in 44 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/267 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (OVERLAPS) 1/268 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/268 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 11 (OVERLAPS) 0/268 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 268/268 variables, and 176 constraints, problems are : Problem set: 0 solved, 119 unsolved in 28750 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 2/102 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (OVERLAPS) 165/267 variables, 102/128 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 46/174 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/267 variables, 115/289 constraints. Problems are: Problem set: 0 solved, 119 unsolved
SMT process timed out in 58786ms, After SMT, problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 58787ms
Starting structural reductions in LTL mode, iteration 1 : 103/111 places, 165/165 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 99846 ms. Remains : 103/111 places, 165/165 transitions.
Stuttering acceptance computed with spot in 129 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-14
Product exploration explored 100000 steps with 0 reset in 159 ms.
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-14 finished in 100150 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 111 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 111/111 places, 165/165 transitions.
Graph (complete) has 704 edges and 111 vertex of which 103 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 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 103 transition count 164
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 102 transition count 164
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 101 transition count 163
Applied a total of 5 rules in 9 ms. Remains 101 /111 variables (removed 10) and now considering 163/165 (removed 2) transitions.
Running 117 sub problems to find dead transitions.
// Phase 1: matrix 163 rows 101 cols
[2025-06-08 00:04:07] [INFO ] Computed 26 invariants in 1 ms
[2025-06-08 00:04:07] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:04:12] [INFO ] Deduced a trap composed of 50 places in 55 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 1/264 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:04:24] [INFO ] Deduced a trap composed of 50 places in 49 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/264 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 264/264 variables, and 175 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 113/286 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 286 constraints, problems are : Problem set: 0 solved, 117 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 1/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40047ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 40047ms
[2025-06-08 00:04:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:04:47] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-08 00:04:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:04:47] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-08 00:04:48] [INFO ] Implicit Places using invariants and state equation in 1144 ms returned []
Implicit Place search using SMT with State Equation took 1211 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:04:48] [INFO ] Redundant transitions in 1 ms returned []
Running 117 sub problems to find dead transitions.
[2025-06-08 00:04:48] [INFO ] Invariant cache hit.
[2025-06-08 00:04:48] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (OVERLAPS) 2/100 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (OVERLAPS) 163/263 variables, 100/126 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:04:53] [INFO ] Deduced a trap composed of 49 places in 52 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 9 (OVERLAPS) 1/264 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/264 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 11 (OVERLAPS) 0/264 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 174 constraints, problems are : Problem set: 0 solved, 117 unsolved in 25473 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 2/100 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (OVERLAPS) 163/263 variables, 100/127 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 113/286 constraints. Problems are: Problem set: 0 solved, 117 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:05:40] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 287 constraints, problems are : Problem set: 0 solved, 117 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 100/101 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 113/117 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 55524ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 55525ms
Starting structural reductions in SI_LTL mode, iteration 1 : 101/111 places, 163/165 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 96797 ms. Remains : 101/111 places, 163/165 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL023X004-LTLCardinality-15
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL023X004-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL023X004-LTLCardinality-15 finished in 96845 ms.
All properties solved by simple procedures.
Total runtime 2020331 ms.

BK_STOP 1749341143876

--------------------
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-CRL023X004"
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-CRL023X004, 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-174931339400187"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL023X004.tgz
mv CopsAndRobbers-PT-CRL023X004 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 ;