fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r128-smll-174876524000155
Last Updated
June 24, 2025

About the Execution of ITS-Tools for MedleyA-PT-08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 478845.00 0.00 0.00 FFTFTTFFFTFTFFTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524000155.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is MedleyA-PT-08, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524000155
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 90K 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 MedleyA-PT-08-LTLCardinality-00
FORMULA_NAME MedleyA-PT-08-LTLCardinality-01
FORMULA_NAME MedleyA-PT-08-LTLCardinality-02
FORMULA_NAME MedleyA-PT-08-LTLCardinality-03
FORMULA_NAME MedleyA-PT-08-LTLCardinality-04
FORMULA_NAME MedleyA-PT-08-LTLCardinality-05
FORMULA_NAME MedleyA-PT-08-LTLCardinality-06
FORMULA_NAME MedleyA-PT-08-LTLCardinality-07
FORMULA_NAME MedleyA-PT-08-LTLCardinality-08
FORMULA_NAME MedleyA-PT-08-LTLCardinality-09
FORMULA_NAME MedleyA-PT-08-LTLCardinality-10
FORMULA_NAME MedleyA-PT-08-LTLCardinality-11
FORMULA_NAME MedleyA-PT-08-LTLCardinality-12
FORMULA_NAME MedleyA-PT-08-LTLCardinality-13
FORMULA_NAME MedleyA-PT-08-LTLCardinality-14
FORMULA_NAME MedleyA-PT-08-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748850458741

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-02 07:47:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 07:47:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 07:47:41] [INFO ] Load time of PNML (sax parser for PT used): 189 ms
[2025-06-02 07:47:41] [INFO ] Transformed 147 places.
[2025-06-02 07:47:41] [INFO ] Transformed 312 transitions.
[2025-06-02 07:47:41] [INFO ] Found NUPN structural information;
[2025-06-02 07:47:41] [INFO ] Parsed PT model containing 147 places and 312 transitions and 1378 arcs in 439 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA MedleyA-PT-08-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-08-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 312/312 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 145 transition count 312
Discarding 32 places :
Symmetric choice reduction at 1 with 32 rule applications. Total rules 34 place count 113 transition count 274
Iterating global reduction 1 with 32 rules applied. Total rules applied 66 place count 113 transition count 274
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 69 place count 113 transition count 271
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 73 place count 109 transition count 263
Iterating global reduction 2 with 4 rules applied. Total rules applied 77 place count 109 transition count 263
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 78 place count 108 transition count 261
Iterating global reduction 2 with 1 rules applied. Total rules applied 79 place count 108 transition count 261
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 80 place count 107 transition count 258
Iterating global reduction 2 with 1 rules applied. Total rules applied 81 place count 107 transition count 258
Applied a total of 81 rules in 130 ms. Remains 107 /147 variables (removed 40) and now considering 258/312 (removed 54) transitions.
// Phase 1: matrix 258 rows 107 cols
[2025-06-02 07:47:42] [INFO ] Computed 10 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:47:42] [INFO ] Implicit Places using invariants in 479 ms returned []
[2025-06-02 07:47:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:47:43] [INFO ] Implicit Places using invariants and state equation in 453 ms returned []
Implicit Place search using SMT with State Equation took 1025 ms to find 0 implicit places.
Running 257 sub problems to find dead transitions.
[2025-06-02 07:47:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 257 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 257 unsolved
Problem TDEAD117 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD224 is UNSAT
At refinement iteration 2 (OVERLAPS) 1/107 variables, 4/10 constraints. Problems are: Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:49] [INFO ] Deduced a trap composed of 24 places in 340 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:49] [INFO ] Deduced a trap composed of 27 places in 147 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:49] [INFO ] Deduced a trap composed of 34 places in 121 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:49] [INFO ] Deduced a trap composed of 35 places in 138 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:50] [INFO ] Deduced a trap composed of 14 places in 121 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:50] [INFO ] Deduced a trap composed of 34 places in 117 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:50] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:50] [INFO ] Deduced a trap composed of 23 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:50] [INFO ] Deduced a trap composed of 18 places in 111 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:50] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 10/20 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/20 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 5 (OVERLAPS) 258/365 variables, 107/127 constraints. Problems are: Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:56] [INFO ] Deduced a trap along path composed of 2 places in 47 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:57] [INFO ] Deduced a trap along path composed of 2 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:47:58] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 3/130 constraints. Problems are: Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:01] [INFO ] Deduced a trap composed of 21 places in 136 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:01] [INFO ] Deduced a trap composed of 17 places in 136 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:01] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 3/133 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 0/133 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 9 (OVERLAPS) 0/365 variables, 0/133 constraints. Problems are: Problem set: 48 solved, 209 unsolved
No progress, stopping.
After SMT solving in domain Real declared 365/365 variables, and 133 constraints, problems are : Problem set: 48 solved, 209 unsolved in 29975 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 257/257 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 3/3 constraints]
Escalating to Integer solving :Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 6/6 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/6 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 2 (OVERLAPS) 1/107 variables, 4/10 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 13/23 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/23 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 5 (OVERLAPS) 258/365 variables, 107/130 constraints. Problems are: Problem set: 48 solved, 209 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 209/339 constraints. Problems are: Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:20] [INFO ] Deduced a trap composed of 33 places in 105 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/365 variables, 1/340 constraints. Problems are: Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:25] [INFO ] Deduced a trap composed of 23 places in 171 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:25] [INFO ] Deduced a trap composed of 24 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:25] [INFO ] Deduced a trap composed of 22 places in 79 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 3/343 constraints. Problems are: Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:32] [INFO ] Deduced a trap composed of 18 places in 128 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 1/344 constraints. Problems are: Problem set: 48 solved, 209 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:43] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 365/365 variables, and 345 constraints, problems are : Problem set: 48 solved, 209 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 209/257 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/3 constraints]
After SMT, in 60792ms problems are : Problem set: 48 solved, 209 unsolved
Search for dead transitions found 48 dead transitions in 60821ms
Found 48 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 48 transitions
Dead transitions reduction (with SMT) removed 48 transitions
Starting structural reductions in LTL mode, iteration 1 : 107/147 places, 210/312 transitions.
Applied a total of 0 rules in 13 ms. Remains 107 /107 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 62034 ms. Remains : 107/147 places, 210/312 transitions.
Support contains 24 out of 107 places after structural reductions.
[2025-06-02 07:48:44] [INFO ] Flatten gal took : 134 ms
[2025-06-02 07:48:44] [INFO ] Flatten gal took : 52 ms
[2025-06-02 07:48:44] [INFO ] Input system was already deterministic with 210 transitions.
RANDOM walk for 40000 steps (1988 resets) in 1980 ms. (20 steps per ms) remains 8/14 properties
BEST_FIRST walk for 40004 steps (531 resets) in 349 ms. (114 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (526 resets) in 78 ms. (506 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (513 resets) in 151 ms. (263 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (528 resets) in 154 ms. (258 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (501 resets) in 111 ms. (357 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (570 resets) in 79 ms. (500 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (535 resets) in 100 ms. (396 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (537 resets) in 97 ms. (408 steps per ms) remains 7/8 properties
// Phase 1: matrix 210 rows 107 cols
[2025-06-02 07:48:45] [INFO ] Computed 10 invariants in 3 ms
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) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 25/37 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 22/59 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 34/93 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 195/288 variables, 93/102 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 20/308 variables, 8/110 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/308 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 2/310 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/310 variables, 2/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/310 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 6/316 variables, 3/116 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/316 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (OVERLAPS) 1/317 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/317 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 0/317 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 317/317 variables, and 117 constraints, problems are : Problem set: 0 solved, 7 unsolved in 582 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 25/37 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:46] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 22/59 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 34/93 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 195/288 variables, 93/103 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/288 variables, 6/109 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:46] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:47] [INFO ] Deduced a trap composed of 18 places in 120 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:47] [INFO ] Deduced a trap composed of 19 places in 138 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:47] [INFO ] Deduced a trap composed of 34 places in 84 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/288 variables, 4/113 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:47] [INFO ] Deduced a trap composed of 17 places in 102 ms of which 12 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/288 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:47] [INFO ] Deduced a trap composed of 21 places in 110 ms of which 15 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/288 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/288 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 20/308 variables, 8/123 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/308 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:48] [INFO ] Deduced a trap along path composed of 2 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:48] [INFO ] Deduced a trap along path composed of 2 places in 29 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/308 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/308 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (OVERLAPS) 2/310 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/310 variables, 2/129 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/310 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 21 (OVERLAPS) 6/316 variables, 3/132 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/316 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 23 (OVERLAPS) 1/317 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/317 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 25 (OVERLAPS) 0/317 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 317/317 variables, and 133 constraints, problems are : Problem set: 0 solved, 7 unsolved in 3660 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 107/107 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4254ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 6 different solutions.
Parikh walk visited 6 properties in 949 ms.
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 210/210 transitions.
Graph (complete) has 387 edges and 107 vertex of which 102 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 23 rules applied. Total rules applied 24 place count 102 transition count 184
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 39 place count 89 transition count 182
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 39 place count 89 transition count 179
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 45 place count 86 transition count 179
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 53 place count 78 transition count 164
Iterating global reduction 2 with 8 rules applied. Total rules applied 61 place count 78 transition count 164
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 61 place count 78 transition count 163
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 63 place count 77 transition count 163
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 68 place count 72 transition count 151
Iterating global reduction 2 with 5 rules applied. Total rules applied 73 place count 72 transition count 151
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 75 place count 70 transition count 145
Iterating global reduction 2 with 2 rules applied. Total rules applied 77 place count 70 transition count 145
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 31 rules applied. Total rules applied 108 place count 54 transition count 130
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 111 place count 54 transition count 127
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 51 transition count 122
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 51 transition count 122
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -33
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 129 place count 45 transition count 155
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 3 with 9 rules applied. Total rules applied 138 place count 45 transition count 146
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 140 place count 44 transition count 157
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 144 place count 44 transition count 153
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 148 place count 40 transition count 153
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 149 place count 40 transition count 152
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 150 place count 39 transition count 152
Applied a total of 150 rules in 97 ms. Remains 39 /107 variables (removed 68) and now considering 152/210 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98 ms. Remains : 39/107 places, 152/210 transitions.
RANDOM walk for 20583 steps (133 resets) in 142 ms. (143 steps per ms) remains 0/1 properties
FORMULA MedleyA-PT-08-LTLCardinality-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 9 stabilizing places and 9 stable transitions
Graph (complete) has 387 edges and 107 vertex of which 102 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.7 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(X(G(p0)) U G(((p1 U !p0) U p1))))'
Support contains 4 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 210/210 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 98 transition count 195
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 98 transition count 195
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 98 transition count 194
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 24 place count 93 transition count 185
Iterating global reduction 1 with 5 rules applied. Total rules applied 29 place count 93 transition count 185
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 31 place count 91 transition count 179
Iterating global reduction 1 with 2 rules applied. Total rules applied 33 place count 91 transition count 179
Applied a total of 33 rules in 19 ms. Remains 91 /107 variables (removed 16) and now considering 179/210 (removed 31) transitions.
// Phase 1: matrix 179 rows 91 cols
[2025-06-02 07:48:51] [INFO ] Computed 10 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:48:51] [INFO ] Implicit Places using invariants in 117 ms returned []
[2025-06-02 07:48:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:48:51] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 356 ms to find 0 implicit places.
Running 178 sub problems to find dead transitions.
[2025-06-02 07:48:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:54] [INFO ] Deduced a trap composed of 21 places in 129 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:54] [INFO ] Deduced a trap composed of 23 places in 122 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:54] [INFO ] Deduced a trap composed of 27 places in 103 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:48:54] [INFO ] Deduced a trap composed of 32 places in 104 ms of which 8 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (OVERLAPS) 179/270 variables, 91/105 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:02] [INFO ] Deduced a trap along path composed of 2 places in 29 ms of which 1 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/270 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:06] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 10 (OVERLAPS) 0/270 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 107 constraints, problems are : Problem set: 0 solved, 178 unsolved in 21864 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (OVERLAPS) 179/270 variables, 91/105 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 178/283 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:26] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:26] [INFO ] Deduced a trap composed of 30 places in 71 ms of which 7 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/270 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/270 variables, and 287 constraints, problems are : Problem set: 0 solved, 178 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 91/91 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 52030ms problems are : Problem set: 0 solved, 178 unsolved
Search for dead transitions found 0 dead transitions in 52035ms
Starting structural reductions in LTL mode, iteration 1 : 91/107 places, 179/210 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52416 ms. Remains : 91/107 places, 179/210 transitions.
Stuttering acceptance computed with spot in 357 ms :[p1, p1, (AND p0 p1), (AND p0 p1)]
Running random walk in product with property : MedleyA-PT-08-LTLCardinality-03
Stuttering criterion allowed to conclude after 317 steps with 40 reset in 11 ms.
FORMULA MedleyA-PT-08-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-08-LTLCardinality-03 finished in 52886 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(p1)))'
Support contains 4 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 210/210 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 97 transition count 193
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 97 transition count 193
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 97 transition count 192
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 27 place count 91 transition count 179
Iterating global reduction 1 with 6 rules applied. Total rules applied 33 place count 91 transition count 179
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 36 place count 88 transition count 170
Iterating global reduction 1 with 3 rules applied. Total rules applied 39 place count 88 transition count 170
Applied a total of 39 rules in 14 ms. Remains 88 /107 variables (removed 19) and now considering 170/210 (removed 40) transitions.
// Phase 1: matrix 170 rows 88 cols
[2025-06-02 07:49:44] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:49:44] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-02 07:49:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:49:44] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
Running 169 sub problems to find dead transitions.
[2025-06-02 07:49:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 2 (OVERLAPS) 1/88 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:46] [INFO ] Deduced a trap composed of 21 places in 120 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:46] [INFO ] Deduced a trap composed of 27 places in 95 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 5 (OVERLAPS) 170/258 variables, 88/100 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:51] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/258 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/258 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 8 (OVERLAPS) 0/258 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 169 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 101 constraints, problems are : Problem set: 0 solved, 169 unsolved in 12816 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 88/88 constraints, PredecessorRefiner: 169/169 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 2 (OVERLAPS) 1/88 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 5 (OVERLAPS) 170/258 variables, 88/100 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/258 variables, 169/269 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:49:59] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/258 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/258 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:50:04] [INFO ] Deduced a trap composed of 17 places in 109 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:50:05] [INFO ] Deduced a trap composed of 27 places in 131 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:50:05] [INFO ] Deduced a trap composed of 33 places in 98 ms of which 10 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/258 variables, 3/274 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:50:09] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:50:16] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 1/276 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 258/258 variables, and 276 constraints, problems are : Problem set: 0 solved, 169 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 88/88 constraints, PredecessorRefiner: 169/169 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 42941ms problems are : Problem set: 0 solved, 169 unsolved
Search for dead transitions found 0 dead transitions in 42944ms
Starting structural reductions in LTL mode, iteration 1 : 88/107 places, 170/210 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43216 ms. Remains : 88/107 places, 170/210 transitions.
Stuttering acceptance computed with spot in 244 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : MedleyA-PT-08-LTLCardinality-04
Product exploration explored 100000 steps with 50000 reset in 336 ms.
Product exploration explored 100000 steps with 50000 reset in 290 ms.
Computed a total of 8 stabilizing places and 8 stable transitions
Graph (complete) has 314 edges and 88 vertex of which 83 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.5 ms
Computed a total of 8 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND p0 p1), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 28 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-08-LTLCardinality-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-08-LTLCardinality-04 finished in 44170 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Support contains 4 out of 107 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 107/107 places, 210/210 transitions.
Graph (complete) has 387 edges and 107 vertex of which 102 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.2 ms
Discarding 5 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 101 transition count 195
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 25 place count 90 transition count 193
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 25 place count 90 transition count 190
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 31 place count 87 transition count 190
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 38 place count 80 transition count 181
Iterating global reduction 2 with 7 rules applied. Total rules applied 45 place count 80 transition count 181
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 45 place count 80 transition count 180
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 47 place count 79 transition count 180
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 51 place count 75 transition count 173
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 75 transition count 173
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 87 place count 58 transition count 158
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 90 place count 58 transition count 155
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 92 place count 56 transition count 153
Iterating global reduction 3 with 2 rules applied. Total rules applied 94 place count 56 transition count 153
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -47
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 110 place count 48 transition count 200
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 118 place count 48 transition count 192
Drop transitions (Redundant composition of simpler transitions.) removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 4 with 30 rules applied. Total rules applied 148 place count 48 transition count 162
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 152 place count 46 transition count 181
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 154 place count 46 transition count 179
Applied a total of 154 rules in 112 ms. Remains 46 /107 variables (removed 61) and now considering 179/210 (removed 31) transitions.
[2025-06-02 07:50:28] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
// Phase 1: matrix 177 rows 46 cols
[2025-06-02 07:50:28] [INFO ] Computed 6 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:50:28] [INFO ] Implicit Places using invariants in 85 ms returned []
[2025-06-02 07:50:28] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
[2025-06-02 07:50:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:50:28] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-02 07:50:28] [INFO ] Implicit Places using invariants and state equation in 219 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:50:28] [INFO ] Redundant transitions in 39 ms returned []
Running 175 sub problems to find dead transitions.
[2025-06-02 07:50:28] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
[2025-06-02 07:50:28] [INFO ] Invariant cache hit.
[2025-06-02 07:50:28] [INFO ] State equation strengthened by 87 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (OVERLAPS) 1/45 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (OVERLAPS) 176/221 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 87/138 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (OVERLAPS) 2/223 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 223/223 variables, and 139 constraints, problems are : Problem set: 0 solved, 175 unsolved in 12418 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (OVERLAPS) 1/45 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (OVERLAPS) 176/221 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 87/138 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 172/310 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 2/223 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/223 variables, 3/314 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/223 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (OVERLAPS) 0/223 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Int declared 223/223 variables, and 314 constraints, problems are : Problem set: 0 solved, 175 unsolved in 21878 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 34444ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 34445ms
Starting structural reductions in SI_LTL mode, iteration 1 : 46/107 places, 179/210 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 34918 ms. Remains : 46/107 places, 179/210 transitions.
Stuttering acceptance computed with spot in 95 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : MedleyA-PT-08-LTLCardinality-05
Product exploration explored 100000 steps with 13040 reset in 525 ms.
Product exploration explored 100000 steps with 13068 reset in 479 ms.
Computed a total of 7 stabilizing places and 83 stable transitions
Computed a total of 7 stabilizing places and 83 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 166 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (5225 resets) in 455 ms. (87 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40003 steps (1138 resets) in 167 ms. (238 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1176 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
[2025-06-02 07:51:04] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
[2025-06-02 07:51:04] [INFO ] Invariant cache hit.
[2025-06-02 07:51:04] [INFO ] State equation strengthened by 87 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 19/23 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 14/37 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 161/198 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 83/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 23/221 variables, 8/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/221 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/223 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 223/223 variables, and 139 constraints, problems are : Problem set: 0 solved, 2 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 19/23 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 14/37 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 161/198 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 83/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 2/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 23/221 variables, 8/136 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/223 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/223 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 223/223 variables, and 141 constraints, problems are : Problem set: 0 solved, 2 unsolved in 322 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 509ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 31 ms.
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 46/46 places, 179/179 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 46 transition count 170
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 45 transition count 169
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 45 transition count 168
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 45 transition count 166
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 43 transition count 166
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 43 transition count 164
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 20 place count 41 transition count 164
Applied a total of 20 rules in 37 ms. Remains 41 /46 variables (removed 5) and now considering 164/179 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 41/46 places, 164/179 transitions.
RANDOM walk for 40000 steps (251 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (247 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (240 resets) in 64 ms. (615 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 42001 steps, run visited all 2 properties in 233 ms. (steps per millisecond=180 )
Probabilistic random walk after 42001 steps, saw 12690 distinct states, run finished after 243 ms. (steps per millisecond=172 ) properties seen :2
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 240 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 179/179 transitions.
Applied a total of 0 rules in 9 ms. Remains 46 /46 variables (removed 0) and now considering 179/179 (removed 0) transitions.
[2025-06-02 07:51:06] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
[2025-06-02 07:51:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:51:06] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-06-02 07:51:06] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
[2025-06-02 07:51:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:51:06] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-02 07:51:06] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 265 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:51:06] [INFO ] Redundant transitions in 30 ms returned []
Running 175 sub problems to find dead transitions.
[2025-06-02 07:51:06] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
[2025-06-02 07:51:06] [INFO ] Invariant cache hit.
[2025-06-02 07:51:06] [INFO ] State equation strengthened by 87 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (OVERLAPS) 1/45 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (OVERLAPS) 176/221 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 87/138 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (OVERLAPS) 2/223 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 223/223 variables, and 139 constraints, problems are : Problem set: 0 solved, 175 unsolved in 10233 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (OVERLAPS) 1/45 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (OVERLAPS) 176/221 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 87/138 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 172/310 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 2/223 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/223 variables, 3/314 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/223 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (OVERLAPS) 0/223 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Int declared 223/223 variables, and 314 constraints, problems are : Problem set: 0 solved, 175 unsolved in 21941 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32412ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 32414ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 32727 ms. Remains : 46/46 places, 179/179 transitions.
Computed a total of 7 stabilizing places and 83 stable transitions
Computed a total of 7 stabilizing places and 83 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 141 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (5242 resets) in 287 ms. (138 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40002 steps (1153 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1197 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
[2025-06-02 07:51:39] [INFO ] Flow matrix only has 177 transitions (discarded 2 similar events)
[2025-06-02 07:51:39] [INFO ] Invariant cache hit.
[2025-06-02 07:51:39] [INFO ] State equation strengthened by 87 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 19/23 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 14/37 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 161/198 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 83/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 23/221 variables, 8/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/221 variables, 4/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/223 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/223 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 223/223 variables, and 139 constraints, problems are : Problem set: 0 solved, 2 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 19/23 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 14/37 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 161/198 variables, 37/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 83/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 2/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 23/221 variables, 8/136 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/223 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/223 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 223/223 variables, and 141 constraints, problems are : Problem set: 0 solved, 2 unsolved in 320 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 46/46 constraints, ReadFeed: 87/87 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 506ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 29 ms.
Support contains 4 out of 46 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 46/46 places, 179/179 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 46 transition count 170
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 45 transition count 169
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 45 transition count 168
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 45 transition count 166
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 43 transition count 166
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 43 transition count 164
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 20 place count 41 transition count 164
Applied a total of 20 rules in 41 ms. Remains 41 /46 variables (removed 5) and now considering 164/179 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 41/46 places, 164/179 transitions.
RANDOM walk for 40000 steps (329 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (359 resets) in 106 ms. (373 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (50 resets) in 71 ms. (555 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 42001 steps, run visited all 2 properties in 106 ms. (steps per millisecond=396 )
Probabilistic random walk after 42001 steps, saw 12690 distinct states, run finished after 106 ms. (steps per millisecond=396 ) properties seen :2
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 316 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 93 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 13108 reset in 202 ms.
Product exploration explored 100000 steps with 13122 reset in 215 ms.
Built C files in :
/tmp/ltsmin8556360769134859487
[2025-06-02 07:51:41] [INFO ] Computing symmetric may disable matrix : 179 transitions.
[2025-06-02 07:51:41] [INFO ] Computation of Complete disable matrix. took 10 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 07:51:41] [INFO ] Computing symmetric may enable matrix : 179 transitions.
[2025-06-02 07:51:41] [INFO ] Computation of Complete enable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 07:51:41] [INFO ] Computing Do-Not-Accords matrix : 179 transitions.
[2025-06-02 07:51:41] [INFO ] Computation of Completed DNA matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 07:51:41] [INFO ] Built C files in 118ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8556360769134859487
Running compilation step : cd /tmp/ltsmin8556360769134859487;'/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 867 ms.
Running link step : cd /tmp/ltsmin8556360769134859487;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 87 ms.
Running LTSmin : cd /tmp/ltsmin8556360769134859487;'/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/stateBased8024813153962185554.hoa' '--buchi-type=spotba'
LTSmin run took 7323 ms.
FORMULA MedleyA-PT-08-LTLCardinality-05 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property MedleyA-PT-08-LTLCardinality-05 finished in 81336 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((p0&&(p1 U X(p0))))))&&(p2 U p3)))'
Support contains 7 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 210/210 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 100 transition count 196
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 100 transition count 196
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 100 transition count 195
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 18 place count 97 transition count 185
Iterating global reduction 1 with 3 rules applied. Total rules applied 21 place count 97 transition count 185
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 94 transition count 176
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 94 transition count 176
Applied a total of 27 rules in 5 ms. Remains 94 /107 variables (removed 13) and now considering 176/210 (removed 34) transitions.
// Phase 1: matrix 176 rows 94 cols
[2025-06-02 07:51:49] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:51:49] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-02 07:51:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:51:49] [INFO ] Implicit Places using invariants and state equation in 169 ms returned []
Implicit Place search using SMT with State Equation took 244 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-06-02 07:51:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/94 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:51:52] [INFO ] Deduced a trap composed of 23 places in 104 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:51:52] [INFO ] Deduced a trap composed of 27 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:51:52] [INFO ] Deduced a trap composed of 13 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:51:53] [INFO ] Deduced a trap composed of 12 places in 79 ms of which 9 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/270 variables, 94/108 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:51:58] [INFO ] Deduced a trap along path composed of 2 places in 44 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:51:59] [INFO ] Deduced a trap along path composed of 2 places in 36 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 0/270 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 110 constraints, problems are : Problem set: 0 solved, 175 unsolved in 16100 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/94 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/270 variables, 94/108 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 175/283 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:10] [INFO ] Deduced a trap composed of 27 places in 141 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:10] [INFO ] Deduced a trap composed of 29 places in 119 ms of which 10 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:13] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:19] [INFO ] Deduced a trap composed of 19 places in 90 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:19] [INFO ] Deduced a trap composed of 19 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:19] [INFO ] Deduced a trap composed of 22 places in 77 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 2/291 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:30] [INFO ] Deduced a trap composed of 15 places in 106 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:30] [INFO ] Deduced a trap composed of 17 places in 85 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/270 variables, and 293 constraints, problems are : Problem set: 0 solved, 175 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 46199ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 46201ms
Starting structural reductions in LTL mode, iteration 1 : 94/107 places, 176/210 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46452 ms. Remains : 94/107 places, 176/210 transitions.
Stuttering acceptance computed with spot in 379 ms :[(OR (NOT p3) (NOT p0)), true, (NOT p0), (NOT p3), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-08-LTLCardinality-09
Product exploration explored 100000 steps with 20000 reset in 88 ms.
Product exploration explored 100000 steps with 20000 reset in 86 ms.
Computed a total of 8 stabilizing places and 8 stable transitions
Graph (complete) has 331 edges and 94 vertex of which 89 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.2 ms
Computed a total of 8 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND p3 p2 p0 (NOT p1)), (X p2), (X p3), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 103 ms. Reduced automaton from 8 states, 14 edges and 4 AP (stutter sensitive) to 7 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 311 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
RANDOM walk for 40000 steps (1976 resets) in 195 ms. (204 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40002 steps (519 resets) in 74 ms. (533 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (500 resets) in 91 ms. (434 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (511 resets) in 93 ms. (425 steps per ms) remains 3/3 properties
[2025-06-02 07:52:37] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 18/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 20/41 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 39/80 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/80 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 161/241 variables, 80/89 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 20/261 variables, 8/97 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/263 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/263 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/263 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 6/269 variables, 3/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/269 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 1/270 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/270 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/270 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 104 constraints, problems are : Problem set: 0 solved, 3 unsolved in 286 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 18/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 20/41 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:37] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/41 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 39/80 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 161/241 variables, 80/90 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 20/261 variables, 8/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 3/101 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:37] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/263 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 6/269 variables, 3/108 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:38] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/269 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/269 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 1/270 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/270 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 0/270 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 270/270 variables, and 110 constraints, problems are : Problem set: 0 solved, 3 unsolved in 843 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1135ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 1400 steps, including 60 resets, run visited all 1 properties in 5 ms. (steps per millisecond=280 )
Parikh walk visited 3 properties in 83 ms.
Knowledge obtained : [(AND p3 p2 p0 (NOT p1)), (X p2), (X p3), (X (NOT (AND (NOT p3) p2))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2)))))]
False Knowledge obtained : [(F (NOT (OR p1 p0))), (F (NOT p0)), (F p1), (F (NOT (OR (NOT p1) (NOT p0)))), (F (NOT (OR (NOT p1) p0))), (F (NOT (AND (NOT p1) p0)))]
Knowledge based reduction with 9 factoid took 346 ms. Reduced automaton from 7 states, 10 edges and 2 AP (stutter sensitive) to 7 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 290 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 251 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 3 out of 94 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 94/94 places, 176/176 transitions.
Applied a total of 0 rules in 1 ms. Remains 94 /94 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2025-06-02 07:52:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:52:39] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-02 07:52:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:52:39] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-06-02 07:52:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/94 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:41] [INFO ] Deduced a trap composed of 23 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:41] [INFO ] Deduced a trap composed of 27 places in 90 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:42] [INFO ] Deduced a trap composed of 13 places in 111 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:42] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/270 variables, 94/108 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:47] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:47] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (OVERLAPS) 0/270 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 110 constraints, problems are : Problem set: 0 solved, 175 unsolved in 13861 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/94 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/270 variables, 94/108 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 175/283 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:56] [INFO ] Deduced a trap composed of 27 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:52:56] [INFO ] Deduced a trap composed of 29 places in 85 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:00] [INFO ] Deduced a trap composed of 18 places in 106 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/286 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:06] [INFO ] Deduced a trap composed of 19 places in 84 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:06] [INFO ] Deduced a trap composed of 19 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:06] [INFO ] Deduced a trap composed of 22 places in 84 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 3/289 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 2/291 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:16] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:16] [INFO ] Deduced a trap composed of 17 places in 68 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/270 variables, and 293 constraints, problems are : Problem set: 0 solved, 175 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 43967ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 43968ms
Finished structural reductions in LTL mode , in 1 iterations and 44213 ms. Remains : 94/94 places, 176/176 transitions.
Computed a total of 8 stabilizing places and 8 stable transitions
Graph (complete) has 331 edges and 94 vertex of which 89 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.3 ms
Computed a total of 8 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 118 ms. Reduced automaton from 7 states, 10 edges and 2 AP (stutter sensitive) to 7 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 336 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
RANDOM walk for 40000 steps (1983 resets) in 226 ms. (176 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (518 resets) in 93 ms. (425 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (505 resets) in 96 ms. (412 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (509 resets) in 125 ms. (317 steps per ms) remains 3/3 properties
[2025-06-02 07:53:24] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 18/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 20/41 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 39/80 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/80 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 161/241 variables, 80/89 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 20/261 variables, 8/97 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/263 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/263 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/263 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 6/269 variables, 3/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/269 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 1/270 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/270 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/270 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 104 constraints, problems are : Problem set: 0 solved, 3 unsolved in 360 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 18/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 20/41 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:24] [INFO ] Deduced a trap composed of 18 places in 63 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/41 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 39/80 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 161/241 variables, 80/90 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 20/261 variables, 8/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 3/101 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:25] [INFO ] Deduced a trap along path composed of 2 places in 39 ms of which 14 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/263 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 6/269 variables, 3/108 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/269 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 1/270 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/270 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 0/270 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 270/270 variables, and 109 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1126 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1503ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 2 properties in 52 ms.
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 176/176 transitions.
Graph (complete) has 331 edges and 94 vertex of which 91 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 91 transition count 156
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 33 place count 79 transition count 154
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 33 place count 79 transition count 151
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 39 place count 76 transition count 151
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 74 transition count 149
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 74 transition count 149
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 45 place count 72 transition count 147
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 72 transition count 147
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 33 rules applied. Total rules applied 80 place count 55 transition count 131
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 82 place count 55 transition count 129
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 84 place count 53 transition count 127
Iterating global reduction 3 with 2 rules applied. Total rules applied 86 place count 53 transition count 127
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -24
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 98 place count 47 transition count 151
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 3 with 10 rules applied. Total rules applied 108 place count 47 transition count 141
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 112 place count 45 transition count 164
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 116 place count 45 transition count 160
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 120 place count 41 transition count 160
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 123 place count 41 transition count 158
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 126 place count 38 transition count 158
Applied a total of 126 rules in 55 ms. Remains 38 /94 variables (removed 56) and now considering 158/176 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 38/94 places, 158/176 transitions.
RANDOM walk for 32757 steps (4748 resets) in 160 ms. (203 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : [(F p1), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 1 factoid took 292 ms. Reduced automaton from 7 states, 10 edges and 2 AP (stutter sensitive) to 7 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 324 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 317 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 308 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 20000 reset in 87 ms.
Product exploration explored 100000 steps with 20000 reset in 374 ms.
Applying partial POR strategy [false, false, true, false, false, false, true]
Stuttering acceptance computed with spot in 318 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 176/176 transitions.
Graph (complete) has 331 edges and 94 vertex of which 91 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 91 transition count 174
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 91 transition count 172
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 14 place count 91 transition count 174
Deduced a syphon composed of 12 places in 1 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 15 place count 91 transition count 174
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 20 place count 86 transition count 169
Deduced a syphon composed of 9 places in 0 ms
Iterating global reduction 2 with 5 rules applied. Total rules applied 25 place count 86 transition count 169
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 27 place count 84 transition count 166
Deduced a syphon composed of 9 places in 0 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 29 place count 84 transition count 166
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 29 place count 84 transition count 168
Deduced a syphon composed of 10 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 84 transition count 168
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 2 with 17 rules applied. Total rules applied 47 place count 84 transition count 171
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 50 place count 84 transition count 168
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 56 place count 78 transition count 160
Deduced a syphon composed of 23 places in 0 ms
Iterating global reduction 3 with 6 rules applied. Total rules applied 62 place count 78 transition count 160
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -38
Deduced a syphon composed of 30 places in 0 ms
Iterating global reduction 3 with 7 rules applied. Total rules applied 69 place count 78 transition count 198
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 72 place count 75 transition count 192
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 3 with 3 rules applied. Total rules applied 75 place count 75 transition count 192
Deduced a syphon composed of 27 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 87 place count 75 transition count 180
Deduced a syphon composed of 27 places in 0 ms
Applied a total of 87 rules in 54 ms. Remains 75 /94 variables (removed 19) and now considering 180/176 (removed -4) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:53:28] [INFO ] Redundant transitions in 44 ms returned [176]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT only with invariants) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 177 sub problems to find dead transitions.
// Phase 1: matrix 179 rows 75 cols
[2025-06-02 07:53:28] [INFO ] Computed 9 invariants in 3 ms
[2025-06-02 07:53:28] [INFO ] State equation strengthened by 49 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/75 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:30] [INFO ] Deduced a trap composed of 7 places in 78 ms of which 7 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:30] [INFO ] Deduced a trap composed of 10 places in 73 ms of which 6 ms to minimize.
Problem TDEAD19 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:31] [INFO ] Deduced a trap composed of 5 places in 80 ms of which 8 ms to minimize.
Problem TDEAD29 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:31] [INFO ] Deduced a trap composed of 6 places in 77 ms of which 6 ms to minimize.
Problem TDEAD31 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:31] [INFO ] Deduced a trap composed of 7 places in 97 ms of which 9 ms to minimize.
Problem TDEAD34 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:31] [INFO ] Deduced a trap composed of 10 places in 78 ms of which 5 ms to minimize.
Problem TDEAD40 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:53:31] [INFO ] Deduced a trap composed of 5 places in 101 ms of which 9 ms to minimize.
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 7/16 constraints. Problems are: Problem set: 29 solved, 148 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/16 constraints. Problems are: Problem set: 29 solved, 148 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
At refinement iteration 5 (OVERLAPS) 179/254 variables, 75/91 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 49/140 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/254 variables, 0/140 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 0/254 variables, 0/140 constraints. Problems are: Problem set: 33 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 140 constraints, problems are : Problem set: 33 solved, 144 unsolved in 10206 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 75/75 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 33 solved, 144 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 1/1 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 14/61 variables, 4/5 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 1/6 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 7/13 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/13 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 6 (OVERLAPS) 11/72 variables, 3/16 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/16 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 178/250 variables, 72/88 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 49/137 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 144/281 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/250 variables, 0/281 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 12 (OVERLAPS) 4/254 variables, 3/284 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/254 variables, 0/284 constraints. Problems are: Problem set: 33 solved, 144 unsolved
At refinement iteration 14 (OVERLAPS) 0/254 variables, 0/284 constraints. Problems are: Problem set: 33 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 284 constraints, problems are : Problem set: 33 solved, 144 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 75/75 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 144/177 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40369ms problems are : Problem set: 33 solved, 144 unsolved
Search for dead transitions found 33 dead transitions in 40370ms
Found 33 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 33 transitions
Dead transitions reduction (with SMT) removed 33 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 75/94 places, 146/176 transitions.
Graph (complete) has 268 edges and 75 vertex of which 48 are kept as prefixes of interest. Removing 27 places using SCC suffix rule.1 ms
Discarding 27 places :
Also discarding 0 output transitions
Ensure Unique test removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 47 transition count 160
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 2 rules in 6 ms. Remains 47 /75 variables (removed 28) and now considering 160/146 (removed -14) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 47/94 places, 160/176 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 40488 ms. Remains : 47/94 places, 160/176 transitions.
Built C files in :
/tmp/ltsmin1396886425679983547
[2025-06-02 07:54:08] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1396886425679983547
Running compilation step : cd /tmp/ltsmin1396886425679983547;'/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 457 ms.
Running link step : cd /tmp/ltsmin1396886425679983547;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin1396886425679983547;'/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/stateBased12519446794955308458.hoa' '--buchi-type=spotba'
LTSmin run took 2523 ms.
FORMULA MedleyA-PT-08-LTLCardinality-09 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property MedleyA-PT-08-LTLCardinality-09 finished in 142319 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U X(p1))||F(G(p0))))'
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 210/210 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 98 transition count 194
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 98 transition count 194
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 98 transition count 193
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 25 place count 92 transition count 180
Iterating global reduction 1 with 6 rules applied. Total rules applied 31 place count 92 transition count 180
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 34 place count 89 transition count 171
Iterating global reduction 1 with 3 rules applied. Total rules applied 37 place count 89 transition count 171
Applied a total of 37 rules in 5 ms. Remains 89 /107 variables (removed 18) and now considering 171/210 (removed 39) transitions.
// Phase 1: matrix 171 rows 89 cols
[2025-06-02 07:54:12] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:54:12] [INFO ] Implicit Places using invariants in 75 ms returned []
[2025-06-02 07:54:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:54:12] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
Running 170 sub problems to find dead transitions.
[2025-06-02 07:54:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 1/89 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:14] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:14] [INFO ] Deduced a trap composed of 27 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:14] [INFO ] Deduced a trap composed of 14 places in 82 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:15] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 171/260 variables, 89/103 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:18] [INFO ] Deduced a trap along path composed of 2 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:19] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:20] [INFO ] Deduced a trap composed of 21 places in 102 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (OVERLAPS) 0/260 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 260/260 variables, and 106 constraints, problems are : Problem set: 0 solved, 170 unsolved in 14351 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 89/89 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (OVERLAPS) 1/89 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 171/260 variables, 89/104 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 170/274 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (OVERLAPS) 0/260 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Int declared 260/260 variables, and 276 constraints, problems are : Problem set: 0 solved, 170 unsolved in 22514 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 89/89 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 36935ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 36937ms
Starting structural reductions in LTL mode, iteration 1 : 89/107 places, 171/210 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37176 ms. Remains : 89/107 places, 171/210 transitions.
Stuttering acceptance computed with spot in 186 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : MedleyA-PT-08-LTLCardinality-10
Stuttering criterion allowed to conclude after 25 steps with 0 reset in 1 ms.
FORMULA MedleyA-PT-08-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-08-LTLCardinality-10 finished in 37389 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 210/210 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 99 transition count 196
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 99 transition count 196
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 99 transition count 195
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 22 place count 94 transition count 186
Iterating global reduction 1 with 5 rules applied. Total rules applied 27 place count 94 transition count 186
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 92 transition count 180
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 92 transition count 180
Applied a total of 31 rules in 5 ms. Remains 92 /107 variables (removed 15) and now considering 180/210 (removed 30) transitions.
// Phase 1: matrix 180 rows 92 cols
[2025-06-02 07:54:49] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:54:49] [INFO ] Implicit Places using invariants in 108 ms returned []
[2025-06-02 07:54:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:54:49] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 344 ms to find 0 implicit places.
Running 179 sub problems to find dead transitions.
[2025-06-02 07:54:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:52] [INFO ] Deduced a trap composed of 21 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:52] [INFO ] Deduced a trap composed of 30 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:52] [INFO ] Deduced a trap composed of 16 places in 113 ms of which 15 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (OVERLAPS) 180/272 variables, 92/105 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:54:56] [INFO ] Deduced a trap composed of 17 places in 103 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:55:00] [INFO ] Deduced a trap along path composed of 2 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:55:00] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 9 (OVERLAPS) 0/272 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 108 constraints, problems are : Problem set: 0 solved, 179 unsolved in 17384 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (OVERLAPS) 180/272 variables, 92/106 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 179/285 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:55:14] [INFO ] Deduced a trap composed of 36 places in 109 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:55:15] [INFO ] Deduced a trap composed of 27 places in 110 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:55:15] [INFO ] Deduced a trap composed of 33 places in 104 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 3/290 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:55:18] [INFO ] Deduced a trap composed of 17 places in 68 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/272 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/272 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 291 constraints, problems are : Problem set: 0 solved, 179 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 92/92 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 47507ms problems are : Problem set: 0 solved, 179 unsolved
Search for dead transitions found 0 dead transitions in 47509ms
Starting structural reductions in LTL mode, iteration 1 : 92/107 places, 180/210 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47859 ms. Remains : 92/107 places, 180/210 transitions.
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-08-LTLCardinality-14
Product exploration explored 100000 steps with 33333 reset in 62 ms.
Product exploration explored 100000 steps with 33333 reset in 79 ms.
Computed a total of 8 stabilizing places and 8 stable transitions
Graph (complete) has 332 edges and 92 vertex of which 87 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.2 ms
Computed a total of 8 stabilizing places and 8 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 12 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-08-LTLCardinality-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-08-LTLCardinality-14 finished in 48148 ms.
All properties solved by simple procedures.
Total runtime 476372 ms.

BK_STOP 1748850937586

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="MedleyA-PT-08"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is MedleyA-PT-08, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r128-smll-174876524000155"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-08.tgz
mv MedleyA-PT-08 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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