fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r072-tall-174860067500476
Last Updated
June 24, 2025

About the Execution of ITS-Tools for DoubleExponent-PT-003

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 913016.00 0.00 0.00 FFFFFTTFFFFFTFTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067500476.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DoubleExponent-PT-003, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067500476
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 50K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-00
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-01
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-02
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-03
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-04
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-05
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-06
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-07
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-08
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-09
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-10
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-11
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-12
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-13
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-14
FORMULA_NAME DoubleExponent-PT-003-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748729810792

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleExponent-PT-003
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-31 22:16:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 22:16:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 22:16:52] [INFO ] Load time of PNML (sax parser for PT used): 59 ms
[2025-05-31 22:16:52] [INFO ] Transformed 163 places.
[2025-05-31 22:16:52] [INFO ] Transformed 148 transitions.
[2025-05-31 22:16:52] [INFO ] Parsed PT model containing 163 places and 148 transitions and 417 arcs in 143 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA DoubleExponent-PT-003-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleExponent-PT-003-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleExponent-PT-003-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleExponent-PT-003-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleExponent-PT-003-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 148/148 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 159 transition count 148
Applied a total of 4 rules in 21 ms. Remains 159 /163 variables (removed 4) and now considering 148/148 (removed 0) transitions.
// Phase 1: matrix 148 rows 159 cols
[2025-05-31 22:16:52] [INFO ] Computed 16 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:16:52] [INFO ] Implicit Places using invariants in 280 ms returned [26, 28]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 322 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 157/163 places, 148/148 transitions.
Applied a total of 0 rules in 8 ms. Remains 157 /157 variables (removed 0) and now considering 148/148 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 367 ms. Remains : 157/163 places, 148/148 transitions.
Support contains 34 out of 157 places after structural reductions.
[2025-05-31 22:16:52] [INFO ] Flatten gal took : 32 ms
[2025-05-31 22:16:52] [INFO ] Flatten gal took : 15 ms
[2025-05-31 22:16:52] [INFO ] Input system was already deterministic with 148 transitions.
RANDOM walk for 40000 steps (1294 resets) in 2342 ms. (17 steps per ms) remains 18/25 properties
BEST_FIRST walk for 4001 steps (110 resets) in 111 ms. (35 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (119 resets) in 56 ms. (70 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (110 resets) in 47 ms. (83 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (114 resets) in 105 ms. (37 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (109 resets) in 34 ms. (114 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (114 resets) in 43 ms. (90 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (114 resets) in 24 ms. (160 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (110 resets) in 32 ms. (121 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (113 resets) in 27 ms. (142 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (118 resets) in 38 ms. (102 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (112 resets) in 38 ms. (102 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (111 resets) in 26 ms. (148 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (115 resets) in 27 ms. (142 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (114 resets) in 21 ms. (181 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (117 resets) in 21 ms. (181 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (114 resets) in 51 ms. (76 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (114 resets) in 35 ms. (111 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (111 resets) in 24 ms. (160 steps per ms) remains 18/18 properties
// Phase 1: matrix 148 rows 157 cols
[2025-05-31 22:16:53] [INFO ] Computed 14 invariants in 6 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 83/107 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 11/118 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:16:54] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 10/128 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 138/266 variables, 128/143 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 34/300 variables, 26/169 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/300 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 4/304 variables, 2/171 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/304 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Problem AtomicPropp4 is UNSAT
At refinement iteration 14 (OVERLAPS) 1/305 variables, 1/172 constraints. Problems are: Problem set: 1 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:16:55] [INFO ] Deduced a trap composed of 37 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:16:55] [INFO ] Deduced a trap composed of 43 places in 50 ms of which 4 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/305 variables, 2/174 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/305 variables, 0/174 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 17 (OVERLAPS) 0/305 variables, 0/174 constraints. Problems are: Problem set: 1 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 305/305 variables, and 174 constraints, problems are : Problem set: 1 solved, 17 unsolved in 2842 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 17 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 73/96 variables, 7/7 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 11/107 variables, 2/9 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 1/10 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 21/128 variables, 5/15 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 138/266 variables, 128/143 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 7/150 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/266 variables, 0/150 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 34/300 variables, 26/176 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/300 variables, 10/186 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/300 variables, 2/188 constraints. Problems are: Problem set: 1 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:16:57] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/300 variables, 1/189 constraints. Problems are: Problem set: 1 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:16:57] [INFO ] Deduced a trap along path composed of 23 places in 38 ms of which 5 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/300 variables, 1/190 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/300 variables, 0/190 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 17 (OVERLAPS) 4/304 variables, 2/192 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/304 variables, 0/192 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 19 (OVERLAPS) 1/305 variables, 1/193 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/305 variables, 0/193 constraints. Problems are: Problem set: 1 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:16:59] [INFO ] Deduced a trap composed of 29 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:16:59] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 5 ms to minimize.
At refinement iteration 21 (OVERLAPS) 0/305 variables, 2/195 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/305 variables, 0/195 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 23 (OVERLAPS) 0/305 variables, 0/195 constraints. Problems are: Problem set: 1 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 305/305 variables, and 195 constraints, problems are : Problem set: 1 solved, 17 unsolved in 4336 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 17/18 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 7207ms problems are : Problem set: 1 solved, 17 unsolved
Parikh walk visited 0 properties in 1844 ms.
Support contains 23 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 148/148 transitions.
Graph (complete) has 259 edges and 157 vertex of which 156 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 156 transition count 127
Reduce places removed 20 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 22 rules applied. Total rules applied 43 place count 136 transition count 125
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 45 place count 134 transition count 125
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 45 place count 134 transition count 119
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 57 place count 128 transition count 119
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 46 rules applied. Total rules applied 103 place count 105 transition count 96
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 109 place count 102 transition count 96
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 110 place count 102 transition count 95
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 111 place count 101 transition count 95
Free-agglomeration rule (complex) applied 11 times.
Iterating global reduction 4 with 11 rules applied. Total rules applied 122 place count 101 transition count 84
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 4 with 11 rules applied. Total rules applied 133 place count 90 transition count 84
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 140 place count 90 transition count 84
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 141 place count 90 transition count 84
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 142 place count 89 transition count 83
Applied a total of 142 rules in 50 ms. Remains 89 /157 variables (removed 68) and now considering 83/148 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 89/157 places, 83/148 transitions.
RANDOM walk for 40000 steps (3855 resets) in 489 ms. (81 steps per ms) remains 15/17 properties
BEST_FIRST walk for 4001 steps (273 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (253 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (285 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (268 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (283 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (276 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (277 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (269 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (283 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (273 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (269 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (273 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (284 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (269 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (288 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
// Phase 1: matrix 83 rows 89 cols
[2025-05-31 22:17:03] [INFO ] Computed 14 invariants in 2 ms
[2025-05-31 22:17:03] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 17/37 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 26/63 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:03] [INFO ] Deduced a trap composed of 4 places in 30 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 2/65 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 77/142 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/142 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (OVERLAPS) 28/170 variables, 22/101 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/170 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/170 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/170 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (OVERLAPS) 1/171 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/171 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/171 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 19 (OVERLAPS) 1/172 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/172 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 21 (OVERLAPS) 0/172 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 172/172 variables, and 109 constraints, problems are : Problem set: 0 solved, 15 unsolved in 826 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 89/89 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 17/37 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 26/63 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 2/65 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 77/142 variables, 65/76 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/142 variables, 3/79 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/142 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (OVERLAPS) 28/170 variables, 22/104 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/170 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/170 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/170 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/170 variables, 12/121 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:04] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/170 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/170 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 19 (OVERLAPS) 1/171 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/171 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/171 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 22 (OVERLAPS) 1/172 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:05] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:05] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 2 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/172 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/172 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 25 (OVERLAPS) 0/172 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 172/172 variables, and 127 constraints, problems are : Problem set: 0 solved, 15 unsolved in 1772 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 89/89 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2611ms problems are : Problem set: 0 solved, 15 unsolved
Parikh walk visited 0 properties in 5797 ms.
Support contains 20 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 83/83 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 89 transition count 82
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 88 transition count 82
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 87 transition count 81
Applied a total of 4 rules in 7 ms. Remains 87 /89 variables (removed 2) and now considering 81/83 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 87/89 places, 81/83 transitions.
RANDOM walk for 40000 steps (3814 resets) in 211 ms. (188 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (277 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (268 resets) in 71 ms. (55 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (267 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (269 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (265 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (295 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (279 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (281 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (270 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (279 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (272 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (266 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (259 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (277 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (283 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
Probabilistic random walk after 1000001 steps, saw 500186 distinct states, run finished after 2602 ms. (steps per millisecond=384 ) properties seen :14
// Phase 1: matrix 81 rows 87 cols
[2025-05-31 22:17:14] [INFO ] Computed 14 invariants in 2 ms
[2025-05-31 22:17:14] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/34 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/53 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/56 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:14] [INFO ] Deduced a trap composed of 4 places in 55 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 62/118 variables, 56/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/118 variables, 3/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/118 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 27/145 variables, 16/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/145 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/145 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/145 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/149 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/149 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/149 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/157 variables, 5/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/157 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/157 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 6/163 variables, 3/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/163 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 4/167 variables, 2/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/167 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/168 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/168 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/168 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 168/168 variables, and 107 constraints, problems are : Problem set: 0 solved, 1 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/34 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/53 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/56 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 62/118 variables, 56/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/118 variables, 3/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/118 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 27/145 variables, 16/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/145 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/145 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/145 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/145 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/149 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/149 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:14] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/149 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 8/157 variables, 5/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/157 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/157 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/157 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 6/163 variables, 3/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/163 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 4/167 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/167 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 1/168 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:14] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:14] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
At refinement iteration 30 (INCLUDED_ONLY) 0/168 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/168 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 32 (OVERLAPS) 0/168 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 168/168 variables, and 111 constraints, problems are : Problem set: 0 solved, 1 unsolved in 272 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 87/87 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 455ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 2 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 81/81 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 87 transition count 72
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 18 place count 78 transition count 72
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 18 place count 78 transition count 71
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 77 transition count 71
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 30 place count 72 transition count 66
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 32 place count 71 transition count 66
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 35 place count 71 transition count 63
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 38 place count 68 transition count 63
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 44 place count 68 transition count 63
Applied a total of 44 rules in 17 ms. Remains 68 /87 variables (removed 19) and now considering 63/81 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 68/87 places, 63/81 transitions.
RANDOM walk for 40000 steps (5482 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3593 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1385647 steps, run timeout after 3001 ms. (steps per millisecond=461 ) properties seen :0 out of 1
Probabilistic random walk after 1385647 steps, saw 692866 distinct states, run finished after 3003 ms. (steps per millisecond=461 ) properties seen :0
// Phase 1: matrix 63 rows 68 cols
[2025-05-31 22:17:18] [INFO ] Computed 14 invariants in 5 ms
[2025-05-31 22:17:18] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/45 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/47 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/100 variables, 47/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 8/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 26/126 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/126 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/126 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/126 variables, 4/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/126 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/127 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/127 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/127 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/131 variables, 4/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/131 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/131 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 131/131 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 68/68 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/45 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/47 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/100 variables, 47/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 8/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:18] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 26/126 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/126 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/126 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/126 variables, 4/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/126 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/126 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/127 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/127 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/127 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/131 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/131 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/131 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 131/131 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 68/68 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 226ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 2 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 63/63 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 68/68 places, 63/63 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 63/63 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2025-05-31 22:17:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:18] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-05-31 22:17:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:18] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-31 22:17:18] [INFO ] Implicit Places using invariants and state equation in 186 ms returned [37, 42, 60, 65]
[2025-05-31 22:17:18] [INFO ] Actually due to overlaps returned [42, 37]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 247 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 66/68 places, 63/63 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 66 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 65 transition count 62
Applied a total of 2 rules in 7 ms. Remains 65 /66 variables (removed 1) and now considering 62/63 (removed 1) transitions.
// Phase 1: matrix 62 rows 65 cols
[2025-05-31 22:17:18] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:18] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-05-31 22:17:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:18] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-31 22:17:18] [INFO ] Implicit Places using invariants and state equation in 132 ms returned [57, 62]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 182 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 63/68 places, 62/63 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 63 transition count 61
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 62 transition count 61
Applied a total of 2 rules in 4 ms. Remains 62 /63 variables (removed 1) and now considering 61/62 (removed 1) transitions.
// Phase 1: matrix 61 rows 62 cols
[2025-05-31 22:17:18] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:18] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-31 22:17:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:18] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-31 22:17:18] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 62/68 places, 61/63 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 616 ms. Remains : 62/68 places, 61/63 transitions.
RANDOM walk for 40000 steps (6242 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3904 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1443634 steps, run visited all 1 properties in 2894 ms. (steps per millisecond=498 )
Probabilistic random walk after 1443634 steps, saw 721864 distinct states, run finished after 2897 ms. (steps per millisecond=498 ) properties seen :1
FORMULA DoubleExponent-PT-003-LTLFireability-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 259 edges and 157 vertex of which 155 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X((p0&&F(G(p1))))))))'
Support contains 2 out of 157 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 156 transition count 147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 156 transition count 147
Applied a total of 2 rules in 7 ms. Remains 156 /157 variables (removed 1) and now considering 147/148 (removed 1) transitions.
// Phase 1: matrix 147 rows 156 cols
[2025-05-31 22:17:22] [INFO ] Computed 14 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:22] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-05-31 22:17:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:17:22] [INFO ] Implicit Places using invariants and state equation in 266 ms returned []
Implicit Place search using SMT with State Equation took 347 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:17:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:24] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:24] [INFO ] Deduced a trap composed of 8 places in 19 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:26] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:26] [INFO ] Deduced a trap composed of 31 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:27] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:27] [INFO ] Deduced a trap composed of 35 places in 50 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:28] [INFO ] Deduced a trap composed of 43 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:28] [INFO ] Deduced a trap composed of 37 places in 29 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:30] [INFO ] Deduced a trap along path composed of 5 places in 20 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:33] [INFO ] Deduced a trap composed of 43 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:33] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:37] [INFO ] Deduced a trap along path composed of 12 places in 19 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 24122 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:50] [INFO ] Deduced a trap composed of 36 places in 58 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:17:58] [INFO ] Deduced a trap composed of 24 places in 56 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:04] [INFO ] Deduced a trap along path composed of 17 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:04] [INFO ] Deduced a trap along path composed of 13 places in 42 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 54177ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 54180ms
Starting structural reductions in LTL mode, iteration 1 : 156/157 places, 147/148 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54538 ms. Remains : 156/157 places, 147/148 transitions.
Stuttering acceptance computed with spot in 352 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-00
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 2 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-003-LTLFireability-00 finished in 54959 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((X(p1)&&p0))&&X(p2)))'
Support contains 5 out of 157 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 156 transition count 147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 156 transition count 147
Applied a total of 2 rules in 6 ms. Remains 156 /157 variables (removed 1) and now considering 147/148 (removed 1) transitions.
[2025-05-31 22:18:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:18:17] [INFO ] Implicit Places using invariants in 147 ms returned []
[2025-05-31 22:18:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:18:17] [INFO ] Implicit Places using invariants and state equation in 309 ms returned []
Implicit Place search using SMT with State Equation took 460 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:18:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:19] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:19] [INFO ] Deduced a trap composed of 8 places in 23 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:21] [INFO ] Deduced a trap composed of 29 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:21] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:22] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:22] [INFO ] Deduced a trap composed of 35 places in 47 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:23] [INFO ] Deduced a trap composed of 43 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:23] [INFO ] Deduced a trap composed of 37 places in 38 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:26] [INFO ] Deduced a trap along path composed of 5 places in 19 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:28] [INFO ] Deduced a trap composed of 43 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:29] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:32] [INFO ] Deduced a trap along path composed of 12 places in 28 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 24448 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:45] [INFO ] Deduced a trap composed of 36 places in 48 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:53] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:59] [INFO ] Deduced a trap along path composed of 17 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:18:59] [INFO ] Deduced a trap along path composed of 13 places in 45 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 54477ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 54478ms
Starting structural reductions in LTL mode, iteration 1 : 156/157 places, 147/148 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54945 ms. Remains : 156/157 places, 147/148 transitions.
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p1), true]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-01
Stuttering criterion allowed to conclude after 24 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-003-LTLFireability-01 finished in 55124 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 2 out of 157 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Graph (complete) has 259 edges and 157 vertex of which 156 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 38 place count 155 transition count 109
Reduce places removed 37 places and 0 transitions.
Iterating post reduction 1 with 37 rules applied. Total rules applied 75 place count 118 transition count 109
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 75 place count 118 transition count 103
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 87 place count 112 transition count 103
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 147 place count 82 transition count 73
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 155 place count 78 transition count 73
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 156 place count 77 transition count 72
Applied a total of 156 rules in 15 ms. Remains 77 /157 variables (removed 80) and now considering 72/148 (removed 76) transitions.
// Phase 1: matrix 72 rows 77 cols
[2025-05-31 22:19:12] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:19:12] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-05-31 22:19:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:19:12] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-31 22:19:12] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:19:12] [INFO ] Redundant transitions in 2 ms returned []
Running 71 sub problems to find dead transitions.
[2025-05-31 22:19:12] [INFO ] Invariant cache hit.
[2025-05-31 22:19:12] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 3 (OVERLAPS) 72/148 variables, 76/90 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 4/94 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 6 (OVERLAPS) 1/149 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 71 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:13] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:13] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 9 (OVERLAPS) 0/149 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Real declared 149/149 variables, and 97 constraints, problems are : Problem set: 0 solved, 71 unsolved in 2723 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 77/77 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 71/71 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 71 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 3 (OVERLAPS) 72/148 variables, 76/90 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 4/94 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 68/162 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 7 (OVERLAPS) 1/149 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 3/166 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 2/168 constraints. Problems are: Problem set: 0 solved, 71 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:17] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/149 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/149 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 12 (OVERLAPS) 0/149 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Int declared 149/149 variables, and 169 constraints, problems are : Problem set: 0 solved, 71 unsolved in 5305 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 77/77 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 71/71 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8041ms problems are : Problem set: 0 solved, 71 unsolved
Search for dead transitions found 0 dead transitions in 8042ms
Starting structural reductions in SI_LTL mode, iteration 1 : 77/157 places, 72/148 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8229 ms. Remains : 77/157 places, 72/148 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-02
Stuttering criterion allowed to conclude after 16 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-003-LTLFireability-02 finished in 8305 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1) U X(X(X(X(X(X(G(p2)))))))))'
Support contains 3 out of 157 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 156 transition count 147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 156 transition count 147
Applied a total of 2 rules in 5 ms. Remains 156 /157 variables (removed 1) and now considering 147/148 (removed 1) transitions.
// Phase 1: matrix 147 rows 156 cols
[2025-05-31 22:19:20] [INFO ] Computed 14 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:19:20] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-05-31 22:19:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:19:21] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 341 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:19:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:22] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:22] [INFO ] Deduced a trap composed of 8 places in 18 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:24] [INFO ] Deduced a trap composed of 29 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:24] [INFO ] Deduced a trap composed of 31 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:25] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:25] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:26] [INFO ] Deduced a trap composed of 43 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:26] [INFO ] Deduced a trap composed of 37 places in 34 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:29] [INFO ] Deduced a trap along path composed of 5 places in 18 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:31] [INFO ] Deduced a trap composed of 43 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:32] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:35] [INFO ] Deduced a trap along path composed of 12 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 24297 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:48] [INFO ] Deduced a trap composed of 36 places in 58 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:19:56] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:02] [INFO ] Deduced a trap along path composed of 17 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:02] [INFO ] Deduced a trap along path composed of 13 places in 40 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 54327ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 54327ms
Starting structural reductions in LTL mode, iteration 1 : 156/157 places, 147/148 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54674 ms. Remains : 156/157 places, 147/148 transitions.
Stuttering acceptance computed with spot in 503 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-06
Product exploration explored 100000 steps with 12489 reset in 203 ms.
Product exploration explored 100000 steps with 12506 reset in 126 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 258 edges and 156 vertex of which 154 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND (NOT p1) p0 p2), (X p2), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (OR (AND p1 p2) (AND p0 p2))), (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR (AND p1 p2) (AND p0 p2)))), (X (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2)))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 146 ms. Reduced automaton from 15 states, 26 edges and 3 AP (stutter sensitive) to 15 states, 26 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 489 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
RANDOM walk for 40000 steps (1331 resets) in 217 ms. (183 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (1134 resets) in 169 ms. (235 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (1141 resets) in 194 ms. (205 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (1145 resets) in 153 ms. (259 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (1107 resets) in 102 ms. (388 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (1137 resets) in 143 ms. (277 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (1148 resets) in 186 ms. (213 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (1122 resets) in 155 ms. (256 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (1103 resets) in 132 ms. (300 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (1147 resets) in 120 ms. (330 steps per ms) remains 9/9 properties
Probably explored full state space saw : 413268 states, properties seen :8
Probabilistic random walk after 826575 steps, saw 413268 distinct states, run finished after 2930 ms. (steps per millisecond=282 ) properties seen :8
Interrupted probabilistic random walk after 1267073 steps, run timeout after 3001 ms. (steps per millisecond=422 ) properties seen :0 out of 1
Exhaustive walk after 1267073 steps, saw 633565 distinct states, run finished after 3001 ms. (steps per millisecond=422 ) properties seen :0
[2025-05-31 22:20:23] [INFO ] Invariant cache hit.
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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/34 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 57/91 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 45/136 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/136 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 11/147 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/147 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/151 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:23] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/151 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/151 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 125/276 variables, 123/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/276 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 26/302 variables, 20/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/302 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf2 is UNSAT
After SMT solving in domain Real declared 303/303 variables, and 171 constraints, problems are : Problem set: 1 solved, 0 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 195ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0 p2), (X p2), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (OR (AND p1 p2) (AND p0 p2))), (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR (AND p1 p2) (AND p0 p2)))), (X (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2)))))), (X (X p0)), (X (X (NOT p1))), (G (OR p0 p2 p1))]
False Knowledge obtained : [(F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) p2 p1))), (F (NOT (OR (AND p0 p2) (AND p2 p1)))), (F (NOT p2)), (F (NOT (AND (OR (NOT p0) p2) (OR p2 (NOT p1))))), (F p1), (F (NOT p0))]
Knowledge based reduction with 16 factoid took 420 ms. Reduced automaton from 15 states, 26 edges and 3 AP (stutter sensitive) to 15 states, 25 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 520 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 602 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 3 out of 156 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 156/156 places, 147/147 transitions.
Applied a total of 0 rules in 3 ms. Remains 156 /156 variables (removed 0) and now considering 147/147 (removed 0) transitions.
[2025-05-31 22:20:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:20:25] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-05-31 22:20:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:20:25] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 322 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:20:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:27] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:27] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:29] [INFO ] Deduced a trap composed of 29 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:29] [INFO ] Deduced a trap composed of 31 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:30] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:30] [INFO ] Deduced a trap composed of 35 places in 47 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:31] [INFO ] Deduced a trap composed of 43 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:31] [INFO ] Deduced a trap composed of 37 places in 33 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:33] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:36] [INFO ] Deduced a trap composed of 43 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:36] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:40] [INFO ] Deduced a trap along path composed of 12 places in 28 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 24536 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:20:53] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:01] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:07] [INFO ] Deduced a trap along path composed of 17 places in 46 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:08] [INFO ] Deduced a trap along path composed of 13 places in 57 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 54576ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 54577ms
Finished structural reductions in LTL mode , in 1 iterations and 54904 ms. Remains : 156/156 places, 147/147 transitions.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 258 edges and 156 vertex of which 154 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (OR (AND p0 p2) (AND p2 p1))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (OR (AND p0 p2) (AND p2 p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 147 ms. Reduced automaton from 15 states, 25 edges and 3 AP (stutter sensitive) to 15 states, 25 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 555 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
RANDOM walk for 40000 steps (1315 resets) in 98 ms. (404 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (1144 resets) in 130 ms. (305 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (1145 resets) in 103 ms. (384 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (1145 resets) in 87 ms. (454 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (1131 resets) in 90 ms. (439 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (1135 resets) in 89 ms. (444 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (1119 resets) in 87 ms. (454 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (1135 resets) in 87 ms. (454 steps per ms) remains 7/7 properties
Finished probabilistic random walk after 274385 steps, run visited all 7 properties in 1280 ms. (steps per millisecond=214 )
Probabilistic random walk after 274385 steps, saw 137223 distinct states, run finished after 1280 ms. (steps per millisecond=214 ) properties seen :7
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (OR (AND p0 p2) (AND p2 p1))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (OR (AND p0 p2) (AND p2 p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (AND p0 p2) (AND p2 p1)))), (F (NOT (AND p0 (NOT p1)))), (F p1), (F (NOT p0)), (F (NOT p2)), (F (NOT (OR p0 p1))), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 13 factoid took 441 ms. Reduced automaton from 15 states, 25 edges and 3 AP (stutter sensitive) to 15 states, 25 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 556 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 541 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 570 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Product exploration explored 100000 steps with 12542 reset in 83 ms.
Product exploration explored 100000 steps with 12517 reset in 81 ms.
Applying partial POR strategy [false, false, false, false, false, false, true, true, false, false, false, false, false, false, true]
Stuttering acceptance computed with spot in 575 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 3 out of 156 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 156/156 places, 147/147 transitions.
Graph (complete) has 258 edges and 156 vertex of which 155 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 34 rules applied. Total rules applied 35 place count 155 transition count 146
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 7 Pre rules applied. Total rules applied 35 place count 155 transition count 151
Deduced a syphon composed of 41 places in 0 ms
Iterating global reduction 1 with 7 rules applied. Total rules applied 42 place count 155 transition count 151
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 44 place count 153 transition count 149
Deduced a syphon composed of 39 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 153 transition count 149
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 67 places in 0 ms
Iterating global reduction 1 with 28 rules applied. Total rules applied 74 place count 153 transition count 154
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -28
Deduced a syphon composed of 72 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 79 place count 153 transition count 182
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 85 place count 147 transition count 170
Deduced a syphon composed of 66 places in 1 ms
Iterating global reduction 1 with 6 rules applied. Total rules applied 91 place count 147 transition count 170
Deduced a syphon composed of 66 places in 0 ms
Applied a total of 91 rules in 30 ms. Remains 147 /156 variables (removed 9) and now considering 170/147 (removed -23) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:21:25] [INFO ] Redundant transitions in 5 ms returned []
Running 169 sub problems to find dead transitions.
// Phase 1: matrix 170 rows 147 cols
[2025-05-31 22:21:25] [INFO ] Computed 14 invariants in 2 ms
[2025-05-31 22:21:25] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:27] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:27] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
Problem TDEAD104 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 2/16 constraints. Problems are: Problem set: 1 solved, 168 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 168 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
At refinement iteration 6 (OVERLAPS) 170/317 variables, 147/163 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 6/169 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/317 variables, 0/169 constraints. Problems are: Problem set: 94 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:31] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:31] [INFO ] Deduced a trap composed of 11 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:31] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/317 variables, 3/172 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 0/172 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 11 (OVERLAPS) 0/317 variables, 0/172 constraints. Problems are: Problem set: 94 solved, 75 unsolved
No progress, stopping.
After SMT solving in domain Real declared 317/317 variables, and 172 constraints, problems are : Problem set: 94 solved, 75 unsolved in 10938 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 147/147 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 169/169 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 94 solved, 75 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 0/0 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 1 (OVERLAPS) 13/93 variables, 2/2 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 5/7 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/7 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 4 (OVERLAPS) 39/132 variables, 12/19 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/19 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 6 (OVERLAPS) 170/302 variables, 132/151 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 6/157 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/302 variables, 75/232 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/302 variables, 0/232 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 10 (OVERLAPS) 15/317 variables, 15/247 constraints. Problems are: Problem set: 94 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:41] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:42] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:42] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 3/250 constraints. Problems are: Problem set: 94 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:21:44] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/317 variables, 1/251 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/317 variables, 0/251 constraints. Problems are: Problem set: 94 solved, 75 unsolved
At refinement iteration 14 (OVERLAPS) 0/317 variables, 0/251 constraints. Problems are: Problem set: 94 solved, 75 unsolved
No progress, stopping.
After SMT solving in domain Int declared 317/317 variables, and 251 constraints, problems are : Problem set: 94 solved, 75 unsolved in 18235 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 147/147 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 75/169 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29192ms problems are : Problem set: 94 solved, 75 unsolved
Search for dead transitions found 94 dead transitions in 29194ms
Found 94 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 94 transitions
Dead transitions reduction (with SMT) removed 94 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 147/156 places, 76/147 transitions.
Graph (complete) has 237 edges and 147 vertex of which 81 are kept as prefixes of interest. Removing 66 places using SCC suffix rule.2 ms
Discarding 66 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 10 ms. Remains 81 /147 variables (removed 66) and now considering 76/76 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 81/156 places, 76/147 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 29252 ms. Remains : 81/156 places, 76/147 transitions.
Built C files in :
/tmp/ltsmin5313039643620702292
[2025-05-31 22:21:54] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5313039643620702292
Running compilation step : cd /tmp/ltsmin5313039643620702292;'/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 335 ms.
Running link step : cd /tmp/ltsmin5313039643620702292;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin5313039643620702292;'/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/stateBased3666936368340903995.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 156 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 156/156 places, 147/147 transitions.
Applied a total of 0 rules in 3 ms. Remains 156 /156 variables (removed 0) and now considering 147/147 (removed 0) transitions.
// Phase 1: matrix 147 rows 156 cols
[2025-05-31 22:22:10] [INFO ] Computed 14 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:22:10] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-05-31 22:22:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:22:10] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:22:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:12] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:12] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:14] [INFO ] Deduced a trap composed of 29 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:14] [INFO ] Deduced a trap composed of 31 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:15] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:15] [INFO ] Deduced a trap composed of 35 places in 49 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:15] [INFO ] Deduced a trap composed of 43 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:16] [INFO ] Deduced a trap composed of 37 places in 38 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:18] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:21] [INFO ] Deduced a trap composed of 43 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:21] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:25] [INFO ] Deduced a trap along path composed of 12 places in 28 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 24023 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:37] [INFO ] Deduced a trap composed of 36 places in 55 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:44] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:50] [INFO ] Deduced a trap along path composed of 17 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:22:51] [INFO ] Deduced a trap along path composed of 13 places in 45 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 54050ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 54051ms
Finished structural reductions in LTL mode , in 1 iterations and 54376 ms. Remains : 156/156 places, 147/147 transitions.
Built C files in :
/tmp/ltsmin9335869557115627163
[2025-05-31 22:23:04] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9335869557115627163
Running compilation step : cd /tmp/ltsmin9335869557115627163;'/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 234 ms.
Running link step : cd /tmp/ltsmin9335869557115627163;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 26 ms.
Running LTSmin : cd /tmp/ltsmin9335869557115627163;'/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/stateBased7844524947474884721.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 22:23:19] [INFO ] Flatten gal took : 8 ms
[2025-05-31 22:23:19] [INFO ] Flatten gal took : 8 ms
[2025-05-31 22:23:19] [INFO ] Time to serialize gal into /tmp/LTL6070888640239362311.gal : 2 ms
[2025-05-31 22:23:19] [INFO ] Time to serialize properties into /tmp/LTL2271406937894635955.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6070888640239362311.gal' '-t' 'CGAL' '-hoa' '/tmp/aut1231911026800838110.hoa' '-atoms' '/tmp/LTL2271406937894635955.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL2271406937894635955.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut1231911026800838110.hoa
Detected timeout of ITS tools.
[2025-05-31 22:23:34] [INFO ] Flatten gal took : 7 ms
[2025-05-31 22:23:34] [INFO ] Flatten gal took : 7 ms
[2025-05-31 22:23:34] [INFO ] Time to serialize gal into /tmp/LTL8945055809966709810.gal : 2 ms
[2025-05-31 22:23:34] [INFO ] Time to serialize properties into /tmp/LTL2384795015479144822.ltl : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8945055809966709810.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2384795015479144822.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !(((("(p147<1)")U("(p121>=1)"))U(X(X(X(X(X(X(G("(p127<1)"))))))))))
Formula 0 simplified : (!"(p147<1)" R !"(p121>=1)") R XXXXXXF!"(p127<1)"
Detected timeout of ITS tools.
[2025-05-31 22:23:49] [INFO ] Flatten gal took : 7 ms
[2025-05-31 22:23:49] [INFO ] Applying decomposition
[2025-05-31 22:23:49] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3923635642753141563.txt' '-o' '/tmp/graph3923635642753141563.bin' '-w' '/tmp/graph3923635642753141563.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3923635642753141563.bin' '-l' '-1' '-v' '-w' '/tmp/graph3923635642753141563.weights' '-q' '0' '-e' '0.001'
[2025-05-31 22:23:49] [INFO ] Decomposing Gal with order
[2025-05-31 22:23:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 22:23:49] [INFO ] Removed a total of 41 redundant transitions.
[2025-05-31 22:23:49] [INFO ] Flatten gal took : 55 ms
[2025-05-31 22:23:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 14 ms.
[2025-05-31 22:23:49] [INFO ] Time to serialize gal into /tmp/LTL10826520566886041363.gal : 5 ms
[2025-05-31 22:23:49] [INFO ] Time to serialize properties into /tmp/LTL7151398028789629317.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10826520566886041363.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7151398028789629317.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !(((("(i1.i2.u19.p147<1)")U("(i2.i1.u13.p121>=1)"))U(X(X(X(X(X(X(G("(i2.i1.u15.p127<1)"))))))))))
Formula 0 simplified : (!"(i1.i2.u19.p147<1)" R !"(i2.i1.u13.p121>=1)") R XXXXXXF!"(i2.i1.u15.p127<1)"
Reverse transition relation is NOT exact ! Due to transitions t3, t27, t40, t43, t53, t102, t106, t107, t119, t132, t135, t137, t142, t145, i0.t59, i0.i0.u...510
Computing Next relation with stutter on 254172 deadlock states
Detected timeout of ITS tools.
Treatment of property DoubleExponent-PT-003-LTLFireability-06 finished in 284307 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(!p0)))'
Support contains 2 out of 157 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 156 transition count 147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 156 transition count 147
Applied a total of 2 rules in 6 ms. Remains 156 /157 variables (removed 1) and now considering 147/148 (removed 1) transitions.
[2025-05-31 22:24:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:24:05] [INFO ] Implicit Places using invariants in 96 ms returned []
[2025-05-31 22:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:24:05] [INFO ] Implicit Places using invariants and state equation in 256 ms returned []
Implicit Place search using SMT with State Equation took 356 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:07] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:07] [INFO ] Deduced a trap composed of 8 places in 20 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:09] [INFO ] Deduced a trap composed of 29 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:09] [INFO ] Deduced a trap composed of 31 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:09] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:10] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:10] [INFO ] Deduced a trap composed of 43 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:10] [INFO ] Deduced a trap composed of 37 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:13] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:15] [INFO ] Deduced a trap composed of 43 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:16] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:19] [INFO ] Deduced a trap along path composed of 12 places in 18 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 23752 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:32] [INFO ] Deduced a trap composed of 36 places in 52 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:39] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:45] [INFO ] Deduced a trap along path composed of 17 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:24:46] [INFO ] Deduced a trap along path composed of 13 places in 55 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 53782ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 53783ms
Starting structural reductions in LTL mode, iteration 1 : 156/157 places, 147/148 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54150 ms. Remains : 156/157 places, 147/148 transitions.
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p0), p0]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-08
Stuttering criterion allowed to conclude after 35 steps with 0 reset in 1 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-003-LTLFireability-08 finished in 54276 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 2 out of 157 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Graph (complete) has 259 edges and 157 vertex of which 156 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 38 place count 155 transition count 109
Reduce places removed 37 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 38 rules applied. Total rules applied 76 place count 118 transition count 108
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 77 place count 117 transition count 108
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 77 place count 117 transition count 104
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 85 place count 113 transition count 104
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 145 place count 83 transition count 74
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 153 place count 79 transition count 74
Applied a total of 153 rules in 16 ms. Remains 79 /157 variables (removed 78) and now considering 74/148 (removed 74) transitions.
// Phase 1: matrix 74 rows 79 cols
[2025-05-31 22:24:59] [INFO ] Computed 14 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:24:59] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-05-31 22:24:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:24:59] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-31 22:24:59] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:24:59] [INFO ] Redundant transitions in 1 ms returned []
Running 73 sub problems to find dead transitions.
[2025-05-31 22:24:59] [INFO ] Invariant cache hit.
[2025-05-31 22:24:59] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/78 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/79 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 74/153 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 5/98 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:00] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:00] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:01] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/153 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 10 (OVERLAPS) 0/153 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Real declared 153/153 variables, and 101 constraints, problems are : Problem set: 0 solved, 73 unsolved in 2918 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 79/79 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/78 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/79 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (OVERLAPS) 74/153 variables, 79/95 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 5/100 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 73/173 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:03] [INFO ] Deduced a trap composed of 8 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:03] [INFO ] Deduced a trap composed of 8 places in 19 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/153 variables, 2/175 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/153 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/153 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:06] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:06] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:06] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 2 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/153 variables, 3/179 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/153 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:10] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:10] [INFO ] Deduced a trap along path composed of 8 places in 26 ms of which 3 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/153 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:11] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/153 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/153 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 17 (OVERLAPS) 0/153 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Int declared 153/153 variables, and 182 constraints, problems are : Problem set: 0 solved, 73 unsolved in 16151 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 79/79 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 19075ms problems are : Problem set: 0 solved, 73 unsolved
Search for dead transitions found 0 dead transitions in 19075ms
Starting structural reductions in SI_LTL mode, iteration 1 : 79/157 places, 74/148 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 19301 ms. Remains : 79/157 places, 74/148 transitions.
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-09
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-003-LTLFireability-09 finished in 19412 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(((X(!p0)&&F((!p1 U (p2||G(!p1)))))||G(!p0))) U (X(p4)&&p3))))'
Support contains 9 out of 157 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 156 transition count 147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 156 transition count 147
Applied a total of 2 rules in 11 ms. Remains 156 /157 variables (removed 1) and now considering 147/148 (removed 1) transitions.
// Phase 1: matrix 147 rows 156 cols
[2025-05-31 22:25:18] [INFO ] Computed 14 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:25:18] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-05-31 22:25:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:25:19] [INFO ] Implicit Places using invariants and state equation in 222 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:25:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:20] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:20] [INFO ] Deduced a trap composed of 8 places in 19 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:22] [INFO ] Deduced a trap composed of 29 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:22] [INFO ] Deduced a trap composed of 31 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:23] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:23] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:24] [INFO ] Deduced a trap composed of 43 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:24] [INFO ] Deduced a trap composed of 37 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:27] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:29] [INFO ] Deduced a trap composed of 43 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:30] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:33] [INFO ] Deduced a trap along path composed of 12 places in 28 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 23913 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:46] [INFO ] Deduced a trap composed of 36 places in 46 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:53] [INFO ] Deduced a trap composed of 24 places in 54 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:25:59] [INFO ] Deduced a trap along path composed of 17 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:00] [INFO ] Deduced a trap along path composed of 13 places in 48 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 53934ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 53935ms
Starting structural reductions in LTL mode, iteration 1 : 156/157 places, 147/148 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54244 ms. Remains : 156/157 places, 147/148 transitions.
Stuttering acceptance computed with spot in 302 ms :[(OR (NOT p3) (NOT p4)), (OR (NOT p3) (NOT p4)), p0, (AND (NOT p2) p0 p1), false, (NOT p4)]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-11
Product exploration explored 100000 steps with 28476 reset in 127 ms.
Product exploration explored 100000 steps with 28414 reset in 131 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 258 edges and 156 vertex of which 154 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND (NOT p3) p2 (NOT p0) (NOT p1) (NOT p4)), (X p2), (X (NOT (AND p3 (NOT p2)))), (X (NOT p4)), (X (NOT (AND p3 (NOT p0) (NOT p2) (NOT p4)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (AND (NOT p3) (NOT p4))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND p3 (NOT p4)))), (X (NOT p3)), (X (NOT p0)), (X (OR (AND (NOT p3) (NOT p4)) (AND p0 (NOT p4)))), (X (NOT p1)), (X (NOT (OR (AND (NOT p3) (NOT p2) (NOT p4)) (AND p0 (NOT p2) (NOT p4))))), (X (X p2)), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT p4))), (X (X (NOT (AND p3 (NOT p0) (NOT p2) (NOT p4))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (AND (NOT p3) (NOT p4)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p3 (NOT p4))))), (X (X (NOT p3))), (X (X (NOT p0))), (X (X (OR (AND (NOT p3) (NOT p4)) (AND p0 (NOT p4))))), (X (X (NOT p1))), (X (X (NOT (OR (AND (NOT p3) (NOT p2) (NOT p4)) (AND p0 (NOT p2) (NOT p4))))))]
False Knowledge obtained : []
Knowledge based reduction with 35 factoid took 136 ms. Reduced automaton from 6 states, 23 edges and 5 AP (stutter sensitive) to 6 states, 23 edges and 5 AP (stutter sensitive).
Stuttering acceptance computed with spot in 282 ms :[(OR (NOT p3) (NOT p4)), (OR (NOT p3) (NOT p4)), p0, (AND (NOT p2) p0 p1), false, (NOT p4)]
RANDOM walk for 40000 steps (1330 resets) in 170 ms. (233 steps per ms) remains 8/17 properties
BEST_FIRST walk for 40001 steps (1127 resets) in 91 ms. (434 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (1107 resets) in 114 ms. (347 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (1146 resets) in 100 ms. (396 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (1160 resets) in 123 ms. (322 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (1119 resets) in 90 ms. (439 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (1427 resets) in 95 ms. (416 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (1137 resets) in 113 ms. (350 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (1157 resets) in 141 ms. (281 steps per ms) remains 8/8 properties
[2025-05-31 22:26:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 14/23 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 83/106 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 16/122 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 129/251 variables, 122/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/251 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 38/289 variables, 26/162 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:14] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 8/297 variables, 4/167 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/297 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 5/302 variables, 3/170 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:14] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:15] [INFO ] Deduced a trap along path composed of 16 places in 28 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/302 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/302 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem apf1 is UNSAT
Problem apf3 is UNSAT
Problem apf8 is UNSAT
Problem apf9 is UNSAT
Problem apf11 is UNSAT
At refinement iteration 17 (OVERLAPS) 1/303 variables, 1/173 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/303 variables, 0/173 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/303 variables, 0/173 constraints. Problems are: Problem set: 5 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 173 constraints, problems are : Problem set: 5 solved, 3 unsolved in 871 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 5 solved, 3 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: 5 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 9/14 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/21 variables, 1/2 constraints. Problems are: Problem set: 5 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:15] [INFO ] Deduced a trap composed of 8 places in 18 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 1/3 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 84/105 variables, 10/13 constraints. Problems are: Problem set: 5 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:15] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:15] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/105 variables, 2/15 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/105 variables, 0/15 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 16/121 variables, 2/17 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/17 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 128/249 variables, 121/138 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 1/139 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 2/141 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/249 variables, 0/141 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 40/289 variables, 27/168 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/289 variables, 2/170 constraints. Problems are: Problem set: 5 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:15] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:15] [INFO ] Deduced a trap composed of 25 places in 29 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/289 variables, 2/172 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/289 variables, 1/173 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/289 variables, 0/173 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 8/297 variables, 4/177 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/297 variables, 0/177 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 5/302 variables, 3/180 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/302 variables, 0/180 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 1/303 variables, 1/181 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/303 variables, 0/181 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 0/303 variables, 0/181 constraints. Problems are: Problem set: 5 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 303/303 variables, and 181 constraints, problems are : Problem set: 5 solved, 3 unsolved in 854 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 3/8 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1733ms problems are : Problem set: 5 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 397 ms.
Support contains 5 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 147/147 transitions.
Graph (complete) has 258 edges and 156 vertex of which 154 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 31 rules applied. Total rules applied 32 place count 154 transition count 115
Reduce places removed 30 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 33 rules applied. Total rules applied 65 place count 124 transition count 112
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 68 place count 121 transition count 112
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 68 place count 121 transition count 104
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 84 place count 113 transition count 104
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Deduced a syphon composed of 28 places in 0 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 3 with 56 rules applied. Total rules applied 140 place count 85 transition count 76
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 146 place count 82 transition count 76
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 147 place count 82 transition count 75
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 148 place count 81 transition count 75
Free-agglomeration rule (complex) applied 12 times.
Iterating global reduction 4 with 12 rules applied. Total rules applied 160 place count 81 transition count 63
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 4 with 12 rules applied. Total rules applied 172 place count 69 transition count 63
Partial Free-agglomeration rule applied 11 times.
Drop transitions (Partial Free agglomeration) removed 11 transitions
Iterating global reduction 5 with 11 rules applied. Total rules applied 183 place count 69 transition count 63
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 184 place count 68 transition count 62
Applied a total of 184 rules in 18 ms. Remains 68 /156 variables (removed 88) and now considering 62/147 (removed 85) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 68/156 places, 62/147 transitions.
RANDOM walk for 40000 steps (4502 resets) in 77 ms. (512 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3046 resets) in 53 ms. (740 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (3108 resets) in 66 ms. (597 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3145 resets) in 47 ms. (833 steps per ms) remains 3/3 properties
Finished probabilistic random walk after 1975 steps, run visited all 3 properties in 14 ms. (steps per millisecond=141 )
Probabilistic random walk after 1975 steps, saw 1018 distinct states, run finished after 14 ms. (steps per millisecond=141 ) properties seen :3
Found 5 invariant AP formulas.
Knowledge obtained : [(AND (NOT p3) p2 (NOT p0) (NOT p1) (NOT p4)), (X p2), (X (NOT (AND p3 (NOT p2)))), (X (NOT p4)), (X (NOT (AND p3 (NOT p0) (NOT p2) (NOT p4)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (AND (NOT p3) (NOT p4))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND p3 (NOT p4)))), (X (NOT p3)), (X (NOT p0)), (X (OR (AND (NOT p3) (NOT p4)) (AND p0 (NOT p4)))), (X (NOT p1)), (X (NOT (OR (AND (NOT p3) (NOT p2) (NOT p4)) (AND p0 (NOT p2) (NOT p4))))), (X (X p2)), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT p4))), (X (X (NOT (AND p3 (NOT p0) (NOT p2) (NOT p4))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (AND (NOT p3) (NOT p4)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p3 (NOT p4))))), (X (X (NOT p3))), (X (X (NOT p0))), (X (X (OR (AND (NOT p3) (NOT p4)) (AND p0 (NOT p4))))), (X (X (NOT p1))), (X (X (NOT (OR (AND (NOT p3) (NOT p2) (NOT p4)) (AND p0 (NOT p2) (NOT p4)))))), (G (OR (NOT p0) p2 p1)), (G (OR (NOT p0) p2 (NOT p1))), (G (OR (NOT p0) p2)), (G (OR (NOT p3) p2)), (G (OR (NOT p3) p4 p0 p2))]
False Knowledge obtained : [(F (NOT (OR p3 p2))), (F p1), (F (NOT (OR p0 p2 (NOT p1)))), (F p0), (F (NOT (AND (OR p3 p4 p2) (OR p4 (NOT p0) p2)))), (F (NOT (AND (NOT p3) (NOT p4)))), (F p3), (F (NOT (OR p0 p2 p1))), (F (NOT p2)), (F p4), (F (NOT (OR (AND (NOT p3) (NOT p4)) (AND (NOT p4) p0)))), (F (NOT (OR (NOT p3) p4)))]
Knowledge based reduction with 40 factoid took 530 ms. Reduced automaton from 6 states, 23 edges and 5 AP (stutter sensitive) to 4 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[(OR (NOT p3) (NOT p4)), (OR (NOT p3) (NOT p4)), p0, (NOT p4)]
Stuttering acceptance computed with spot in 171 ms :[(OR (NOT p3) (NOT p4)), (OR (NOT p3) (NOT p4)), p0, (NOT p4)]
[2025-05-31 22:26:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 22:26:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 22:26:17] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 4 ms returned sat
[2025-05-31 22:26:18] [INFO ] [Real]Absence check using state equation in 327 ms returned sat
[2025-05-31 22:26:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 22:26:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-05-31 22:26:18] [INFO ] [Nat]Absence check using 2 positive and 12 generalized place invariants in 6 ms returned sat
[2025-05-31 22:26:18] [INFO ] [Nat]Absence check using state equation in 175 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:18] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:18] [INFO ] Deduced a trap composed of 31 places in 45 ms of which 3 ms to minimize.
[2025-05-31 22:26:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 142 ms
[2025-05-31 22:26:18] [INFO ] Computed and/alt/rep : 146/279/146 causal constraints (skipped 0 transitions) in 9 ms.
[2025-05-31 22:26:19] [INFO ] Added : 92 causal constraints over 19 iterations in 696 ms. Result :sat
Could not prove EG (NOT p3)
[2025-05-31 22:26:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 22:26:19] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 22:26:19] [INFO ] [Real]Absence check using 2 positive and 12 generalized place invariants in 4 ms returned sat
[2025-05-31 22:26:19] [INFO ] [Real]Absence check using state equation in 88 ms returned unsat
Proved EG (NOT p4)
Knowledge obtained : [(AND (NOT p3) p2 (NOT p0) (NOT p1) (NOT p4)), (X p2), (X (NOT (AND p3 (NOT p2)))), (X (NOT p4)), (X (NOT (AND p3 (NOT p0) (NOT p2) (NOT p4)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (AND (NOT p3) (NOT p4))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND p3 (NOT p4)))), (X (NOT p3)), (X (NOT p0)), (X (OR (AND (NOT p3) (NOT p4)) (AND p0 (NOT p4)))), (X (NOT p1)), (X (NOT (OR (AND (NOT p3) (NOT p2) (NOT p4)) (AND p0 (NOT p2) (NOT p4))))), (X (X p2)), (X (X (NOT (AND p3 (NOT p2))))), (X (X (NOT p4))), (X (X (NOT (AND p3 (NOT p0) (NOT p2) (NOT p4))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (AND (NOT p3) (NOT p4)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND p3 (NOT p4))))), (X (X (NOT p3))), (X (X (NOT p0))), (X (X (OR (AND (NOT p3) (NOT p4)) (AND p0 (NOT p4))))), (X (X (NOT p1))), (X (X (NOT (OR (AND (NOT p3) (NOT p2) (NOT p4)) (AND p0 (NOT p2) (NOT p4)))))), (G (OR (NOT p0) p2 p1)), (G (OR (NOT p0) p2 (NOT p1))), (G (OR (NOT p0) p2)), (G (OR (NOT p3) p2)), (G (OR (NOT p3) p4 p0 p2))]
False Knowledge obtained : [(F (NOT (OR p3 p2))), (F p1), (F (NOT (OR p0 p2 (NOT p1)))), (F p0), (F (NOT (AND (OR p3 p4 p2) (OR p4 (NOT p0) p2)))), (F (NOT (AND (NOT p3) (NOT p4)))), (F p3), (F (NOT (OR p0 p2 p1))), (F (NOT p2)), (F p4), (F (NOT (OR (AND (NOT p3) (NOT p4)) (AND (NOT p4) p0)))), (F (NOT (OR (NOT p3) p4))), (G (NOT p4))]
Property proved to be false thanks to negative knowledge :(G (NOT p4))
Knowledge based reduction with 40 factoid took 564 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA DoubleExponent-PT-003-LTLFireability-11 FALSE TECHNIQUES KNOWLEDGE
Treatment of property DoubleExponent-PT-003-LTLFireability-11 finished in 61267 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&&G(p1)) U p2)&&X(X(G(!p2)))))'
Support contains 3 out of 157 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Applied a total of 0 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 148/148 (removed 0) transitions.
// Phase 1: matrix 148 rows 157 cols
[2025-05-31 22:26:19] [INFO ] Computed 14 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:26:20] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-05-31 22:26:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:26:20] [INFO ] Implicit Places using invariants and state equation in 269 ms returned []
Implicit Place search using SMT with State Equation took 332 ms to find 0 implicit places.
Running 147 sub problems to find dead transitions.
[2025-05-31 22:26:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/156 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (OVERLAPS) 1/157 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:22] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:22] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/157 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 6 (OVERLAPS) 148/305 variables, 157/173 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:24] [INFO ] Deduced a trap composed of 43 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:24] [INFO ] Deduced a trap composed of 37 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:24] [INFO ] Deduced a trap composed of 43 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:25] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/305 variables, 4/177 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:25] [INFO ] Deduced a trap composed of 29 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:25] [INFO ] Deduced a trap composed of 31 places in 51 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/305 variables, 2/179 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:28] [INFO ] Deduced a trap composed of 35 places in 45 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/305 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 11 (OVERLAPS) 0/305 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 147 unsolved
No progress, stopping.
After SMT solving in domain Real declared 305/305 variables, and 180 constraints, problems are : Problem set: 0 solved, 147 unsolved in 14281 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 147 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/156 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 2 (OVERLAPS) 1/157 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/157 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/157 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 6 (OVERLAPS) 148/305 variables, 157/180 constraints. Problems are: Problem set: 0 solved, 147 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/305 variables, 147/327 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:38] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:39] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:39] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/305 variables, 3/330 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:26:45] [INFO ] Deduced a trap along path composed of 13 places in 51 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/305 variables, 1/331 constraints. Problems are: Problem set: 0 solved, 147 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/305 variables, and 331 constraints, problems are : Problem set: 0 solved, 147 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 147/147 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 44304ms problems are : Problem set: 0 solved, 147 unsolved
Search for dead transitions found 0 dead transitions in 44308ms
Finished structural reductions in LTL mode , in 1 iterations and 44645 ms. Remains : 157/157 places, 148/148 transitions.
Stuttering acceptance computed with spot in 225 ms :[p2, true, true, (OR (NOT p1) p2), p2, true]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-003-LTLFireability-13 finished in 44892 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 2 out of 157 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 156 transition count 147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 156 transition count 147
Applied a total of 2 rules in 5 ms. Remains 156 /157 variables (removed 1) and now considering 147/148 (removed 1) transitions.
// Phase 1: matrix 147 rows 156 cols
[2025-05-31 22:27:04] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:27:04] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-05-31 22:27:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:27:05] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 308 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:27:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:06] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:06] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:09] [INFO ] Deduced a trap composed of 29 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:09] [INFO ] Deduced a trap composed of 31 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:09] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:09] [INFO ] Deduced a trap composed of 35 places in 45 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:10] [INFO ] Deduced a trap composed of 43 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:10] [INFO ] Deduced a trap composed of 37 places in 38 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:13] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:15] [INFO ] Deduced a trap composed of 43 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:16] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:19] [INFO ] Deduced a trap along path composed of 12 places in 28 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 24498 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:33] [INFO ] Deduced a trap composed of 36 places in 50 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:40] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:46] [INFO ] Deduced a trap along path composed of 17 places in 33 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:27:47] [INFO ] Deduced a trap along path composed of 13 places in 52 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 54523ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 54525ms
Starting structural reductions in LTL mode, iteration 1 : 156/157 places, 147/148 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54839 ms. Remains : 156/157 places, 147/148 transitions.
Stuttering acceptance computed with spot in 152 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-14
Product exploration explored 100000 steps with 25000 reset in 75 ms.
Product exploration explored 100000 steps with 25000 reset in 71 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 258 edges and 156 vertex of which 154 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 58 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (1331 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (1131 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Probably explored full state space saw : 413268 states, properties seen :0
Probabilistic random walk after 826575 steps, saw 413268 distinct states, run finished after 1931 ms. (steps per millisecond=428 ) properties seen :0
Interrupted probabilistic random walk after 1383041 steps, run timeout after 3001 ms. (steps per millisecond=460 ) properties seen :0 out of 1
Exhaustive walk after 1383041 steps, saw 691549 distinct states, run finished after 3001 ms. (steps per millisecond=460 ) properties seen :0
[2025-05-31 22:28:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/45 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 61/106 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/117 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:05] [INFO ] Deduced a trap composed of 8 places in 39 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/121 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:05] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 128/249 variables, 121/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:05] [INFO ] Deduced a trap along path composed of 16 places in 20 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 40/289 variables, 27/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:05] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/289 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/289 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/297 variables, 4/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/297 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 5/302 variables, 3/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:05] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 0 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/302 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/302 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/303 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/303 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/303 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 175 constraints, problems are : Problem set: 0 solved, 1 unsolved in 427 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/45 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 61/106 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/117 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/121 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 128/249 variables, 121/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 40/289 variables, 27/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/289 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/289 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/297 variables, 4/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/297 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 5/302 variables, 3/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/302 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1/303 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/303 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/303 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 303/303 variables, and 176 constraints, problems are : Problem set: 0 solved, 1 unsolved in 217 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 649ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 2 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 147/147 transitions.
Graph (complete) has 258 edges and 156 vertex of which 155 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 38 place count 155 transition count 109
Reduce places removed 37 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 38 rules applied. Total rules applied 76 place count 118 transition count 108
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 77 place count 117 transition count 108
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 77 place count 117 transition count 102
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 89 place count 111 transition count 102
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 149 place count 81 transition count 72
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 157 place count 77 transition count 72
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 3 with 7 rules applied. Total rules applied 164 place count 77 transition count 65
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 171 place count 70 transition count 65
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 183 place count 70 transition count 65
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 184 place count 69 transition count 64
Applied a total of 184 rules in 14 ms. Remains 69 /156 variables (removed 87) and now considering 64/147 (removed 83) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 69/156 places, 64/147 transitions.
RANDOM walk for 40000 steps (5099 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3413 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Probably explored full state space saw : 584830 states, properties seen :0
Probabilistic random walk after 1169680 steps, saw 584830 distinct states, run finished after 2293 ms. (steps per millisecond=510 ) properties seen :0
Interrupted probabilistic random walk after 1653019 steps, run timeout after 3001 ms. (steps per millisecond=550 ) properties seen :0 out of 1
Exhaustive walk after 1653019 steps, saw 826620 distinct states, run finished after 3001 ms. (steps per millisecond=550 ) properties seen :0
// Phase 1: matrix 64 rows 69 cols
[2025-05-31 22:28:11] [INFO ] Computed 14 invariants in 3 ms
[2025-05-31 22:28:11] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/48 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:11] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/102 variables, 48/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 6/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 26/128 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/128 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/128 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/128 variables, 4/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/128 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/129 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/129 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/129 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/133 variables, 4/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/133 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/133 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 133/133 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 69/69 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/48 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/102 variables, 48/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 6/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 26/128 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/128 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/128 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/128 variables, 4/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/128 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/128 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/129 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/129 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/129 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/133 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/133 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/133 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 133/133 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 69/69 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 227ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 2 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 69 /69 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 69/69 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 69 /69 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-31 22:28:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:11] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-05-31 22:28:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:11] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 22:28:11] [INFO ] Implicit Places using invariants and state equation in 143 ms returned [37, 42, 60, 66]
[2025-05-31 22:28:11] [INFO ] Actually due to overlaps returned [42, 37]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 198 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 67/69 places, 64/64 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 67 transition count 63
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 66 transition count 63
Applied a total of 2 rules in 4 ms. Remains 66 /67 variables (removed 1) and now considering 63/64 (removed 1) transitions.
// Phase 1: matrix 63 rows 66 cols
[2025-05-31 22:28:11] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:11] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-05-31 22:28:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:11] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 22:28:11] [INFO ] Implicit Places using invariants and state equation in 127 ms returned [57, 63]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 191 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 64/69 places, 63/64 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 64 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 63 transition count 62
Applied a total of 2 rules in 4 ms. Remains 63 /64 variables (removed 1) and now considering 62/63 (removed 1) transitions.
// Phase 1: matrix 62 rows 63 cols
[2025-05-31 22:28:11] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:11] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-31 22:28:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:11] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 22:28:11] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 63/69 places, 62/64 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 569 ms. Remains : 63/69 places, 62/64 transitions.
RANDOM walk for 40000 steps (5771 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3708 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1449432 steps, run visited all 1 properties in 2650 ms. (steps per millisecond=546 )
Probabilistic random walk after 1449432 steps, saw 724763 distinct states, run finished after 2651 ms. (steps per millisecond=546 ) properties seen :1
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 116 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 161 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 156 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 156/156 places, 147/147 transitions.
Applied a total of 0 rules in 2 ms. Remains 156 /156 variables (removed 0) and now considering 147/147 (removed 0) transitions.
// Phase 1: matrix 147 rows 156 cols
[2025-05-31 22:28:15] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:15] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-05-31 22:28:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:28:15] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Running 146 sub problems to find dead transitions.
[2025-05-31 22:28:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:17] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:17] [INFO ] Deduced a trap composed of 8 places in 22 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/172 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:19] [INFO ] Deduced a trap composed of 29 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:19] [INFO ] Deduced a trap composed of 31 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:20] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:20] [INFO ] Deduced a trap composed of 35 places in 44 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:20] [INFO ] Deduced a trap composed of 43 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:20] [INFO ] Deduced a trap composed of 37 places in 43 ms of which 9 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:23] [INFO ] Deduced a trap along path composed of 5 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:26] [INFO ] Deduced a trap composed of 43 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:26] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:30] [INFO ] Deduced a trap along path composed of 12 places in 27 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 146 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 182 constraints, problems are : Problem set: 0 solved, 146 unsolved in 24774 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 2 (OVERLAPS) 1/156 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 6 (OVERLAPS) 147/303 variables, 156/180 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 146/326 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:43] [INFO ] Deduced a trap composed of 36 places in 59 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/303 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 146 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/303 variables, 2/329 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:51] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/303 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:57] [INFO ] Deduced a trap along path composed of 17 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:28:57] [INFO ] Deduced a trap along path composed of 13 places in 51 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/303 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 146 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 332 constraints, problems are : Problem set: 0 solved, 146 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 146/146 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 54798ms problems are : Problem set: 0 solved, 146 unsolved
Search for dead transitions found 0 dead transitions in 54799ms
Finished structural reductions in LTL mode , in 1 iterations and 55121 ms. Remains : 156/156 places, 147/147 transitions.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 258 edges and 156 vertex of which 154 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 64 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (1297 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (1129 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Probably explored full state space saw : 413268 states, properties seen :0
Probabilistic random walk after 826575 steps, saw 413268 distinct states, run finished after 1962 ms. (steps per millisecond=421 ) properties seen :0
Interrupted probabilistic random walk after 1345015 steps, run timeout after 3001 ms. (steps per millisecond=448 ) properties seen :0 out of 1
Exhaustive walk after 1345015 steps, saw 672540 distinct states, run finished after 3001 ms. (steps per millisecond=448 ) properties seen :0
[2025-05-31 22:29:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/45 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 61/106 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/117 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:15] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/121 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:15] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 128/249 variables, 121/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:15] [INFO ] Deduced a trap along path composed of 16 places in 26 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 40/289 variables, 27/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:15] [INFO ] Deduced a trap along path composed of 5 places in 22 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/289 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/289 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/297 variables, 4/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/297 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 5/302 variables, 3/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:15] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/302 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/302 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1/303 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/303 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/303 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 175 constraints, problems are : Problem set: 0 solved, 1 unsolved in 439 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/45 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 61/106 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/117 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/121 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/121 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 128/249 variables, 121/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 3/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 40/289 variables, 27/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/289 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/289 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/297 variables, 4/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/297 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 5/302 variables, 3/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/302 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1/303 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/303 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/303 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 303/303 variables, and 176 constraints, problems are : Problem set: 0 solved, 1 unsolved in 218 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 662ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 2 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 147/147 transitions.
Graph (complete) has 258 edges and 156 vertex of which 155 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 38 place count 155 transition count 109
Reduce places removed 37 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 38 rules applied. Total rules applied 76 place count 118 transition count 108
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 77 place count 117 transition count 108
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 77 place count 117 transition count 102
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 89 place count 111 transition count 102
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 149 place count 81 transition count 72
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 157 place count 77 transition count 72
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 3 with 7 rules applied. Total rules applied 164 place count 77 transition count 65
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 171 place count 70 transition count 65
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 183 place count 70 transition count 65
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 184 place count 69 transition count 64
Applied a total of 184 rules in 11 ms. Remains 69 /156 variables (removed 87) and now considering 64/147 (removed 83) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 69/156 places, 64/147 transitions.
RANDOM walk for 40000 steps (5181 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3393 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Probably explored full state space saw : 584830 states, properties seen :0
Probabilistic random walk after 1169680 steps, saw 584830 distinct states, run finished after 2288 ms. (steps per millisecond=511 ) properties seen :0
Interrupted probabilistic random walk after 1616900 steps, run timeout after 3001 ms. (steps per millisecond=538 ) properties seen :0 out of 1
Exhaustive walk after 1616900 steps, saw 808566 distinct states, run finished after 3001 ms. (steps per millisecond=538 ) properties seen :0
// Phase 1: matrix 64 rows 69 cols
[2025-05-31 22:29:21] [INFO ] Computed 14 invariants in 3 ms
[2025-05-31 22:29:21] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/48 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:21] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/102 variables, 48/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 6/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 26/128 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/128 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/128 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/128 variables, 4/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/128 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/129 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/129 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/129 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/133 variables, 4/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/133 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/133 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 133/133 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 69/69 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/48 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/102 variables, 48/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 6/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/102 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 26/128 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/128 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/128 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/128 variables, 4/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/128 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/128 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/129 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/129 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/129 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/133 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/133 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/133 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 133/133 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 69/69 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 207ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 2 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 69 /69 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 69/69 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 69 /69 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-31 22:29:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:21] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-05-31 22:29:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:21] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 22:29:21] [INFO ] Implicit Places using invariants and state equation in 143 ms returned [37, 42, 60, 66]
[2025-05-31 22:29:21] [INFO ] Actually due to overlaps returned [42, 37]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 196 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 67/69 places, 64/64 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 67 transition count 63
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 66 transition count 63
Applied a total of 2 rules in 5 ms. Remains 66 /67 variables (removed 1) and now considering 63/64 (removed 1) transitions.
// Phase 1: matrix 63 rows 66 cols
[2025-05-31 22:29:21] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:21] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-05-31 22:29:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:21] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 22:29:22] [INFO ] Implicit Places using invariants and state equation in 122 ms returned [57, 63]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 184 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 64/69 places, 63/64 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 64 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 63 transition count 62
Applied a total of 2 rules in 7 ms. Remains 63 /64 variables (removed 1) and now considering 62/63 (removed 1) transitions.
// Phase 1: matrix 62 rows 63 cols
[2025-05-31 22:29:22] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:22] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-31 22:29:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:22] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 22:29:22] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 63/69 places, 62/64 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 592 ms. Remains : 63/69 places, 62/64 transitions.
RANDOM walk for 40000 steps (5735 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3647 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1449432 steps, run visited all 1 properties in 2695 ms. (steps per millisecond=537 )
Probabilistic random walk after 1449432 steps, saw 724763 distinct states, run finished after 2695 ms. (steps per millisecond=537 ) properties seen :1
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 86 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 151 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 62 ms.
Product exploration explored 100000 steps with 25000 reset in 69 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 137 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 156 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 156/156 places, 147/147 transitions.
Graph (complete) has 258 edges and 156 vertex of which 155 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 35 rules applied. Total rules applied 36 place count 155 transition count 146
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 36 place count 155 transition count 151
Deduced a syphon composed of 43 places in 0 ms
Iterating global reduction 1 with 8 rules applied. Total rules applied 44 place count 155 transition count 151
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 48 place count 151 transition count 147
Deduced a syphon composed of 39 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 52 place count 151 transition count 147
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 68 places in 0 ms
Iterating global reduction 1 with 29 rules applied. Total rules applied 81 place count 151 transition count 152
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 82 place count 150 transition count 151
Deduced a syphon composed of 67 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 83 place count 150 transition count 151
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -31
Deduced a syphon composed of 73 places in 0 ms
Iterating global reduction 1 with 6 rules applied. Total rules applied 89 place count 150 transition count 182
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 96 place count 143 transition count 168
Deduced a syphon composed of 66 places in 0 ms
Iterating global reduction 1 with 7 rules applied. Total rules applied 103 place count 143 transition count 168
Deduced a syphon composed of 66 places in 0 ms
Applied a total of 103 rules in 21 ms. Remains 143 /156 variables (removed 13) and now considering 168/147 (removed -21) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:29:25] [INFO ] Redundant transitions in 5 ms returned []
Running 167 sub problems to find dead transitions.
// Phase 1: matrix 168 rows 143 cols
[2025-05-31 22:29:25] [INFO ] Computed 14 invariants in 2 ms
[2025-05-31 22:29:25] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/142 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/142 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/143 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/143 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:27] [INFO ] Deduced a trap composed of 3 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:27] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 1 ms to minimize.
Problem TDEAD96 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 2/16 constraints. Problems are: Problem set: 1 solved, 166 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 166 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
At refinement iteration 6 (OVERLAPS) 168/311 variables, 143/159 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/311 variables, 6/165 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/311 variables, 0/165 constraints. Problems are: Problem set: 96 solved, 71 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:31] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:31] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:31] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 5 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/311 variables, 3/168 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/311 variables, 0/168 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 11 (OVERLAPS) 0/311 variables, 0/168 constraints. Problems are: Problem set: 96 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Real declared 311/311 variables, and 168 constraints, problems are : Problem set: 96 solved, 71 unsolved in 9513 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 143/143 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 96 solved, 71 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 0/0 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 1 (OVERLAPS) 13/89 variables, 2/2 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 5/7 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 0/7 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 4 (OVERLAPS) 39/128 variables, 12/19 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/19 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 6 (OVERLAPS) 168/296 variables, 128/147 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/296 variables, 6/153 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 71/224 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/296 variables, 0/224 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 10 (OVERLAPS) 15/311 variables, 15/239 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/311 variables, 0/239 constraints. Problems are: Problem set: 96 solved, 71 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:42] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:42] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:42] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/311 variables, 3/242 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/311 variables, 0/242 constraints. Problems are: Problem set: 96 solved, 71 unsolved
At refinement iteration 14 (OVERLAPS) 0/311 variables, 0/242 constraints. Problems are: Problem set: 96 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Int declared 311/311 variables, and 242 constraints, problems are : Problem set: 96 solved, 71 unsolved in 16425 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 143/143 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 71/167 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25954ms problems are : Problem set: 96 solved, 71 unsolved
Search for dead transitions found 96 dead transitions in 25955ms
Found 96 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 96 transitions
Dead transitions reduction (with SMT) removed 96 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 143/156 places, 72/147 transitions.
Graph (complete) has 234 edges and 143 vertex of which 77 are kept as prefixes of interest. Removing 66 places using SCC suffix rule.1 ms
Discarding 66 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 77 /143 variables (removed 66) and now considering 72/72 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 77/156 places, 72/147 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 25992 ms. Remains : 77/156 places, 72/147 transitions.
Built C files in :
/tmp/ltsmin18298268850362966659
[2025-05-31 22:29:51] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18298268850362966659
Running compilation step : cd /tmp/ltsmin18298268850362966659;'/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 239 ms.
Running link step : cd /tmp/ltsmin18298268850362966659;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin18298268850362966659;'/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/stateBased2743753001404832640.hoa' '--buchi-type=spotba'
LTSmin run took 151 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-14 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DoubleExponent-PT-003-LTLFireability-14 finished in 167525 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 5 out of 157 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Graph (complete) has 259 edges and 157 vertex of which 156 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 30 rules applied. Total rules applied 31 place count 155 transition count 116
Reduce places removed 30 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 33 rules applied. Total rules applied 64 place count 125 transition count 113
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 67 place count 122 transition count 113
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 67 place count 122 transition count 108
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 77 place count 117 transition count 108
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 137 place count 87 transition count 78
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 145 place count 83 transition count 78
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 146 place count 82 transition count 77
Applied a total of 146 rules in 16 ms. Remains 82 /157 variables (removed 75) and now considering 77/148 (removed 71) transitions.
// Phase 1: matrix 77 rows 82 cols
[2025-05-31 22:29:52] [INFO ] Computed 14 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:52] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-05-31 22:29:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:29:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 22:29:52] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:29:52] [INFO ] Redundant transitions in 0 ms returned []
Running 76 sub problems to find dead transitions.
[2025-05-31 22:29:52] [INFO ] Invariant cache hit.
[2025-05-31 22:29:52] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (OVERLAPS) 77/158 variables, 81/95 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/159 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 8 (OVERLAPS) 0/159 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
No progress, stopping.
After SMT solving in domain Real declared 159/159 variables, and 98 constraints, problems are : Problem set: 0 solved, 76 unsolved in 1419 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 82/82 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 76 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (OVERLAPS) 77/158 variables, 81/95 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 73/170 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (OVERLAPS) 1/159 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 3/174 constraints. Problems are: Problem set: 0 solved, 76 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:29:56] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/159 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/159 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 11 (OVERLAPS) 0/159 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
No progress, stopping.
After SMT solving in domain Int declared 159/159 variables, and 175 constraints, problems are : Problem set: 0 solved, 76 unsolved in 5281 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 82/82 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6708ms problems are : Problem set: 0 solved, 76 unsolved
Search for dead transitions found 0 dead transitions in 6709ms
Starting structural reductions in SI_LTL mode, iteration 1 : 82/157 places, 77/148 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6897 ms. Remains : 82/157 places, 77/148 transitions.
Stuttering acceptance computed with spot in 127 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-15
Product exploration explored 100000 steps with 11439 reset in 193 ms.
Product exploration explored 100000 steps with 11357 reset in 236 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 229 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 91 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 124 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (4585 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (2824 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (2900 resets) in 50 ms. (784 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 5718 steps, run visited all 2 properties in 28 ms. (steps per millisecond=204 )
Probabilistic random walk after 5718 steps, saw 2889 distinct states, run finished after 28 ms. (steps per millisecond=204 ) properties seen :2
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 147 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 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 5 out of 82 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 82/82 places, 77/77 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 77/77 (removed 0) transitions.
[2025-05-31 22:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:30:00] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-05-31 22:30:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:30:00] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 22:30:00] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:30:00] [INFO ] Redundant transitions in 0 ms returned []
Running 76 sub problems to find dead transitions.
[2025-05-31 22:30:00] [INFO ] Invariant cache hit.
[2025-05-31 22:30:00] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (OVERLAPS) 77/158 variables, 81/95 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/159 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 8 (OVERLAPS) 0/159 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 76 unsolved
No progress, stopping.
After SMT solving in domain Real declared 159/159 variables, and 98 constraints, problems are : Problem set: 0 solved, 76 unsolved in 1500 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 82/82 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 76 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (OVERLAPS) 77/158 variables, 81/95 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 73/170 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (OVERLAPS) 1/159 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 3/174 constraints. Problems are: Problem set: 0 solved, 76 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:04] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/159 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/159 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 11 (OVERLAPS) 0/159 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
No progress, stopping.
After SMT solving in domain Int declared 159/159 variables, and 175 constraints, problems are : Problem set: 0 solved, 76 unsolved in 5261 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 82/82 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6779ms problems are : Problem set: 0 solved, 76 unsolved
Search for dead transitions found 0 dead transitions in 6779ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 6962 ms. Remains : 82/82 places, 77/77 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 229 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 102 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 111 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (4553 resets) in 69 ms. (571 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (2911 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (2915 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 5718 steps, run visited all 2 properties in 46 ms. (steps per millisecond=124 )
Probabilistic random walk after 5718 steps, saw 2889 distinct states, run finished after 46 ms. (steps per millisecond=124 ) properties seen :2
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 153 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 114 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 11366 reset in 101 ms.
Product exploration explored 100000 steps with 11393 reset in 120 ms.
Built C files in :
/tmp/ltsmin15370548662995083265
[2025-05-31 22:30:08] [INFO ] Computing symmetric may disable matrix : 77 transitions.
[2025-05-31 22:30:08] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 22:30:08] [INFO ] Computing symmetric may enable matrix : 77 transitions.
[2025-05-31 22:30:08] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 22:30:08] [INFO ] Computing Do-Not-Accords matrix : 77 transitions.
[2025-05-31 22:30:08] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 22:30:08] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15370548662995083265
Running compilation step : cd /tmp/ltsmin15370548662995083265;'/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 182 ms.
Running link step : cd /tmp/ltsmin15370548662995083265;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin15370548662995083265;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased8297777582598394744.hoa' '--buchi-type=spotba'
LTSmin run took 6848 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DoubleExponent-PT-003-LTLFireability-15 finished in 23409 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1) U X(X(X(X(X(X(G(p2)))))))))'
Found a Lengthening insensitive property : DoubleExponent-PT-003-LTLFireability-06
Stuttering acceptance computed with spot in 575 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 3 out of 157 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 157/157 places, 148/148 transitions.
Graph (complete) has 259 edges and 157 vertex of which 156 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 37 place count 155 transition count 110
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 73 place count 119 transition count 110
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 73 place count 119 transition count 105
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 83 place count 114 transition count 105
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 141 place count 85 transition count 76
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 149 place count 81 transition count 76
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 150 place count 80 transition count 75
Applied a total of 150 rules in 10 ms. Remains 80 /157 variables (removed 77) and now considering 75/148 (removed 73) transitions.
// Phase 1: matrix 75 rows 80 cols
[2025-05-31 22:30:16] [INFO ] Computed 14 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:30:16] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-05-31 22:30:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:30:16] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-31 22:30:16] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 185 ms to find 0 implicit places.
Running 74 sub problems to find dead transitions.
[2025-05-31 22:30:16] [INFO ] Invariant cache hit.
[2025-05-31 22:30:16] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 75/154 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/154 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/154 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/155 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 8 (OVERLAPS) 0/155 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 98 constraints, problems are : Problem set: 0 solved, 74 unsolved in 1620 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 80/80 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 74 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 75/154 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/154 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/154 variables, 71/168 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (OVERLAPS) 1/155 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/155 variables, 3/172 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/155 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 74 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:22] [INFO ] Deduced a trap along path composed of 8 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:22] [INFO ] Deduced a trap along path composed of 12 places in 28 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/155 variables, 2/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 12 (OVERLAPS) 0/155 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 174 constraints, problems are : Problem set: 0 solved, 74 unsolved in 7600 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 80/80 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 9230ms problems are : Problem set: 0 solved, 74 unsolved
Search for dead transitions found 0 dead transitions in 9230ms
Starting structural reductions in LI_LTL mode, iteration 1 : 80/157 places, 75/148 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 9426 ms. Remains : 80/157 places, 75/148 transitions.
Running random walk in product with property : DoubleExponent-PT-003-LTLFireability-06
Product exploration explored 100000 steps with 16099 reset in 116 ms.
Product exploration explored 100000 steps with 16089 reset in 126 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 233 edges and 80 vertex of which 79 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0 p2), (X p2), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (OR (AND p1 p2) (AND p0 p2))), (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR (AND p1 p2) (AND p0 p2)))), (X (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2)))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 131 ms. Reduced automaton from 15 states, 26 edges and 3 AP (stutter sensitive) to 15 states, 26 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 529 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
RANDOM walk for 40000 steps (5508 resets) in 189 ms. (210 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (3208 resets) in 86 ms. (459 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (3219 resets) in 146 ms. (272 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (3248 resets) in 86 ms. (459 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (3241 resets) in 118 ms. (336 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (3247 resets) in 106 ms. (373 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (3205 resets) in 105 ms. (377 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (3229 resets) in 95 ms. (416 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (3330 resets) in 98 ms. (404 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (3297 resets) in 85 ms. (465 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 1316283 steps, run timeout after 3001 ms. (steps per millisecond=438 ) properties seen :8 out of 9
Probabilistic random walk after 1316283 steps, saw 658149 distinct states, run finished after 3003 ms. (steps per millisecond=438 ) properties seen :8
[2025-05-31 22:30:30] [INFO ] Invariant cache hit.
[2025-05-31 22:30:30] [INFO ] State equation strengthened by 4 read => feed constraints.
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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/34 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 46/80 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 11/91 variables, 6/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:30] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/91 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/91 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 53/144 variables, 55/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/144 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/144 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf2 is UNSAT
After SMT solving in domain Real declared 155/155 variables, and 96 constraints, problems are : Problem set: 1 solved, 0 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 80/80 constraints, ReadFeed: 3/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0 p2), (X p2), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (OR (AND p1 p2) (AND p0 p2))), (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2))))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR (AND p1 p2) (AND p0 p2)))), (X (X (NOT (OR (AND p1 (NOT p2)) (AND p0 (NOT p2)))))), (X (X p0)), (X (X (NOT p1))), (G (OR p0 p2 p1))]
False Knowledge obtained : [(F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p0) p2 p1))), (F (NOT (OR (AND p0 p2) (AND p2 p1)))), (F (NOT p2)), (F (NOT (AND (OR (NOT p0) p2) (OR p2 (NOT p1))))), (F p1), (F (NOT p0))]
Knowledge based reduction with 16 factoid took 426 ms. Reduced automaton from 15 states, 26 edges and 3 AP (stutter sensitive) to 15 states, 25 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 537 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 549 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 3 out of 80 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 80/80 places, 75/75 transitions.
Applied a total of 0 rules in 1 ms. Remains 80 /80 variables (removed 0) and now considering 75/75 (removed 0) transitions.
[2025-05-31 22:30:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:30:31] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-31 22:30:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 22:30:32] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-31 22:30:32] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
Running 74 sub problems to find dead transitions.
[2025-05-31 22:30:32] [INFO ] Invariant cache hit.
[2025-05-31 22:30:32] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 75/154 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/154 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/154 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/155 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 8 (OVERLAPS) 0/155 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 98 constraints, problems are : Problem set: 0 solved, 74 unsolved in 1585 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 80/80 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 74 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 75/154 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/154 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/154 variables, 71/168 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (OVERLAPS) 1/155 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/155 variables, 3/172 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/155 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 74 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:38] [INFO ] Deduced a trap along path composed of 8 places in 39 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:38] [INFO ] Deduced a trap along path composed of 12 places in 29 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/155 variables, 2/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 12 (OVERLAPS) 0/155 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 174 constraints, problems are : Problem set: 0 solved, 74 unsolved in 7420 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 80/80 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 9014ms problems are : Problem set: 0 solved, 74 unsolved
Search for dead transitions found 0 dead transitions in 9015ms
Finished structural reductions in LTL mode , in 1 iterations and 9177 ms. Remains : 80/80 places, 75/75 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 233 edges and 80 vertex of which 79 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (OR (AND p0 p2) (AND p2 p1))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (OR (AND p0 p2) (AND p2 p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 182 ms. Reduced automaton from 15 states, 25 edges and 3 AP (stutter sensitive) to 15 states, 25 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 548 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
RANDOM walk for 40000 steps (5589 resets) in 143 ms. (277 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (3276 resets) in 65 ms. (606 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (3212 resets) in 105 ms. (377 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (3250 resets) in 78 ms. (506 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (3244 resets) in 72 ms. (547 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (3241 resets) in 70 ms. (563 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (3225 resets) in 78 ms. (506 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (3246 resets) in 110 ms. (360 steps per ms) remains 7/7 properties
Finished probabilistic random walk after 135003 steps, run visited all 7 properties in 532 ms. (steps per millisecond=253 )
Probabilistic random walk after 135003 steps, saw 67532 distinct states, run finished after 532 ms. (steps per millisecond=253 ) properties seen :7
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (OR (AND p0 p2) (AND p2 p1))), (X p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (OR (AND p0 p2) (AND p2 p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (AND p0 p2) (AND p2 p1)))), (F (NOT (AND p0 (NOT p1)))), (F p1), (F (NOT p0)), (F (NOT p2)), (F (NOT (OR p0 p1))), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 13 factoid took 431 ms. Reduced automaton from 15 states, 25 edges and 3 AP (stutter sensitive) to 15 states, 25 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 566 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 517 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 526 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Product exploration explored 100000 steps with 16112 reset in 102 ms.
Product exploration explored 100000 steps with 16084 reset in 104 ms.
Applying partial POR strategy [false, false, false, false, false, false, true, true, false, false, false, false, false, false, true]
Stuttering acceptance computed with spot in 547 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 3 out of 80 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 80/80 places, 75/75 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 75/75 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 22:30:45] [INFO ] Redundant transitions in 0 ms returned []
Running 74 sub problems to find dead transitions.
[2025-05-31 22:30:45] [INFO ] Invariant cache hit.
[2025-05-31 22:30:45] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 75/154 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/154 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/154 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/155 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 8 (OVERLAPS) 0/155 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 98 constraints, problems are : Problem set: 0 solved, 74 unsolved in 1636 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 80/80 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 74 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 3 (OVERLAPS) 75/154 variables, 79/93 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/154 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/154 variables, 71/168 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 7 (OVERLAPS) 1/155 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/155 variables, 3/172 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/155 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 74 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:51] [INFO ] Deduced a trap along path composed of 8 places in 32 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 22:30:51] [INFO ] Deduced a trap along path composed of 12 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/155 variables, 2/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
At refinement iteration 12 (OVERLAPS) 0/155 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 74 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 174 constraints, problems are : Problem set: 0 solved, 74 unsolved in 7391 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 80/80 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 74/74 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 9034ms problems are : Problem set: 0 solved, 74 unsolved
Search for dead transitions found 0 dead transitions in 9034ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 9044 ms. Remains : 80/80 places, 75/75 transitions.
Built C files in :
/tmp/ltsmin10370878672058230718
[2025-05-31 22:30:54] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10370878672058230718
Running compilation step : cd /tmp/ltsmin10370878672058230718;'/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 164 ms.
Running link step : cd /tmp/ltsmin10370878672058230718;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin10370878672058230718;'/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/stateBased15276207436895430506.hoa' '--buchi-type=spotba'
LTSmin run took 14217 ms.
Treatment of property DoubleExponent-PT-003-LTLFireability-06 finished in 53393 ms.
Length sensitive decision was in the wrong direction : Lengthening insensitive + true
[2025-05-31 22:31:09] [INFO ] Flatten gal took : 9 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin3405960950054250746
[2025-05-31 22:31:09] [INFO ] Computing symmetric may disable matrix : 148 transitions.
[2025-05-31 22:31:09] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 22:31:09] [INFO ] Computing symmetric may enable matrix : 148 transitions.
[2025-05-31 22:31:09] [INFO ] Applying decomposition
[2025-05-31 22:31:09] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 22:31:09] [INFO ] Computing Do-Not-Accords matrix : 148 transitions.
[2025-05-31 22:31:09] [INFO ] Computation of Completed DNA matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 22:31:09] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3405960950054250746
Running compilation step : cd /tmp/ltsmin3405960950054250746;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '720' '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'
[2025-05-31 22:31:09] [INFO ] Flatten gal took : 23 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3099874741637486485.txt' '-o' '/tmp/graph3099874741637486485.bin' '-w' '/tmp/graph3099874741637486485.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3099874741637486485.bin' '-l' '-1' '-v' '-w' '/tmp/graph3099874741637486485.weights' '-q' '0' '-e' '0.001'
[2025-05-31 22:31:09] [INFO ] Decomposing Gal with order
[2025-05-31 22:31:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 22:31:09] [INFO ] Removed a total of 39 redundant transitions.
[2025-05-31 22:31:09] [INFO ] Flatten gal took : 13 ms
[2025-05-31 22:31:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 6 labels/synchronizations in 4 ms.
[2025-05-31 22:31:09] [INFO ] Time to serialize gal into /tmp/LTLFireability5580056631479786272.gal : 3 ms
[2025-05-31 22:31:09] [INFO ] Time to serialize properties into /tmp/LTLFireability4533749858801215072.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability5580056631479786272.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability4533749858801215072.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !(((("(i1.i2.u19.p147<1)")U("(i0.i1.u11.p121>=1)"))U(X(X(X(X(X(X(G("(i0.i2.u12.p127<1)"))))))))))
Formula 0 simplified : (!"(i1.i2.u19.p147<1)" R !"(i0.i1.u11.p121>=1)") R XXXXXXF!"(i0.i2.u12.p127<1)"
Compilation finished in 266 ms.
Running link step : cd /tmp/ltsmin3405960950054250746;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin3405960950054250746;'/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' '--ltl' '(((LTLAPp0==true) U (LTLAPp1==true)) U X(X(X(X(X(X([]((LTLAPp2==true)))))))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t3, t27, t40, t50, t53, t119, t132, i0.i0.u9.t10, i0.i2.t20, i0.i2.u15.t26, i1.t33, i1.i0.u7....548
Computing Next relation with stutter on 254172 deadlock states
LTSmin run took 54217 ms.
FORMULA DoubleExponent-PT-003-LTLFireability-06 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 911789 ms.

BK_STOP 1748730723808

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleExponent-PT-003"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is DoubleExponent-PT-003, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tall-174860067500476"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-003.tgz
mv DoubleExponent-PT-003 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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