About the Execution of ITS-Tools for MedleyA-PT-19
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 921608.00 | 0.00 | 0.00 | FFTFFFFFFFFFTTTF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524200243.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-19, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524200243
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K 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 184K 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-19-LTLCardinality-00
FORMULA_NAME MedleyA-PT-19-LTLCardinality-01
FORMULA_NAME MedleyA-PT-19-LTLCardinality-02
FORMULA_NAME MedleyA-PT-19-LTLCardinality-03
FORMULA_NAME MedleyA-PT-19-LTLCardinality-04
FORMULA_NAME MedleyA-PT-19-LTLCardinality-05
FORMULA_NAME MedleyA-PT-19-LTLCardinality-06
FORMULA_NAME MedleyA-PT-19-LTLCardinality-07
FORMULA_NAME MedleyA-PT-19-LTLCardinality-08
FORMULA_NAME MedleyA-PT-19-LTLCardinality-09
FORMULA_NAME MedleyA-PT-19-LTLCardinality-10
FORMULA_NAME MedleyA-PT-19-LTLCardinality-11
FORMULA_NAME MedleyA-PT-19-LTLCardinality-12
FORMULA_NAME MedleyA-PT-19-LTLCardinality-13
FORMULA_NAME MedleyA-PT-19-LTLCardinality-14
FORMULA_NAME MedleyA-PT-19-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748883753404
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-19
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-02 17:02:35] [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 17:02:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 17:02:36] [INFO ] Load time of PNML (sax parser for PT used): 179 ms
[2025-06-02 17:02:36] [INFO ] Transformed 272 places.
[2025-06-02 17:02:36] [INFO ] Transformed 586 transitions.
[2025-06-02 17:02:36] [INFO ] Found NUPN structural information;
[2025-06-02 17:02:36] [INFO ] Parsed PT model containing 272 places and 586 transitions and 2889 arcs in 415 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 3 places in 8 ms
Reduce places removed 3 places and 3 transitions.
FORMULA MedleyA-PT-19-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-19-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-19-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-19-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-19-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-19-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyA-PT-19-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 269 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 269/269 places, 583/583 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 267 transition count 583
Discarding 68 places :
Symmetric choice reduction at 1 with 68 rule applications. Total rules 70 place count 199 transition count 507
Iterating global reduction 1 with 68 rules applied. Total rules applied 138 place count 199 transition count 507
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 141 place count 196 transition count 501
Iterating global reduction 1 with 3 rules applied. Total rules applied 144 place count 196 transition count 501
Applied a total of 144 rules in 153 ms. Remains 196 /269 variables (removed 73) and now considering 501/583 (removed 82) transitions.
// Phase 1: matrix 501 rows 196 cols
[2025-06-02 17:02:36] [INFO ] Computed 22 invariants in 27 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:02:37] [INFO ] Implicit Places using invariants in 662 ms returned []
[2025-06-02 17:02:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:02:38] [INFO ] Implicit Places using invariants and state equation in 633 ms returned []
Implicit Place search using SMT with State Equation took 1375 ms to find 0 implicit places.
Running 500 sub problems to find dead transitions.
[2025-06-02 17:02:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/195 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 500 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/195 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 500 unsolved
Problem TDEAD192 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD236 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD238 is UNSAT
Problem TDEAD241 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD249 is UNSAT
Problem TDEAD250 is UNSAT
Problem TDEAD251 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD260 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD264 is UNSAT
Problem TDEAD265 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD273 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD281 is UNSAT
Problem TDEAD282 is UNSAT
Problem TDEAD283 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD301 is UNSAT
Problem TDEAD302 is UNSAT
Problem TDEAD303 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD313 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD329 is UNSAT
Problem TDEAD330 is UNSAT
Problem TDEAD331 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD341 is UNSAT
Problem TDEAD342 is UNSAT
Problem TDEAD343 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD353 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD355 is UNSAT
Problem TDEAD356 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD366 is UNSAT
Problem TDEAD367 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD374 is UNSAT
Problem TDEAD377 is UNSAT
Problem TDEAD379 is UNSAT
Problem TDEAD381 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD390 is UNSAT
Problem TDEAD392 is UNSAT
Problem TDEAD395 is UNSAT
Problem TDEAD397 is UNSAT
Problem TDEAD399 is UNSAT
Problem TDEAD401 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD408 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD413 is UNSAT
Problem TDEAD415 is UNSAT
Problem TDEAD417 is UNSAT
Problem TDEAD419 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD424 is UNSAT
Problem TDEAD426 is UNSAT
Problem TDEAD428 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD433 is UNSAT
Problem TDEAD435 is UNSAT
Problem TDEAD437 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD442 is UNSAT
Problem TDEAD444 is UNSAT
Problem TDEAD455 is UNSAT
Problem TDEAD457 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD470 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD475 is UNSAT
At refinement iteration 2 (OVERLAPS) 1/196 variables, 6/22 constraints. Problems are: Problem set: 120 solved, 380 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:49] [INFO ] Deduced a trap composed of 29 places in 279 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:49] [INFO ] Deduced a trap composed of 29 places in 169 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:49] [INFO ] Deduced a trap composed of 37 places in 166 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:50] [INFO ] Deduced a trap composed of 37 places in 108 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:50] [INFO ] Deduced a trap composed of 25 places in 137 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:50] [INFO ] Deduced a trap composed of 25 places in 147 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:51] [INFO ] Deduced a trap composed of 17 places in 112 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:51] [INFO ] Deduced a trap composed of 20 places in 95 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:51] [INFO ] Deduced a trap composed of 15 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:51] [INFO ] Deduced a trap composed of 17 places in 106 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:51] [INFO ] Deduced a trap composed of 19 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:52] [INFO ] Deduced a trap composed of 25 places in 94 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 12/34 constraints. Problems are: Problem set: 120 solved, 380 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:56] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:56] [INFO ] Deduced a trap composed of 21 places in 139 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:56] [INFO ] Deduced a trap composed of 44 places in 150 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:02:56] [INFO ] Deduced a trap composed of 21 places in 174 ms of which 16 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 4/38 constraints. Problems are: Problem set: 120 solved, 380 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/38 constraints. Problems are: Problem set: 120 solved, 380 unsolved
At refinement iteration 6 (OVERLAPS) 501/697 variables, 196/234 constraints. Problems are: Problem set: 120 solved, 380 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:09] [INFO ] Deduced a trap composed of 15 places in 405 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:09] [INFO ] Deduced a trap composed of 17 places in 259 ms of which 19 ms to minimize.
SMT process timed out in 31542ms, After SMT, problems are : Problem set: 120 solved, 380 unsolved
Search for dead transitions found 120 dead transitions in 31577ms
Found 120 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 120 transitions
Dead transitions reduction (with SMT) removed 120 transitions
Starting structural reductions in LTL mode, iteration 1 : 196/269 places, 381/583 transitions.
Applied a total of 0 rules in 6 ms. Remains 196 /196 variables (removed 0) and now considering 381/381 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 33162 ms. Remains : 196/269 places, 381/583 transitions.
Support contains 26 out of 196 places after structural reductions.
[2025-06-02 17:03:10] [INFO ] Flatten gal took : 86 ms
[2025-06-02 17:03:10] [INFO ] Flatten gal took : 45 ms
[2025-06-02 17:03:10] [INFO ] Input system was already deterministic with 381 transitions.
RANDOM walk for 40000 steps (15 resets) in 1454 ms. (27 steps per ms) remains 9/16 properties
BEST_FIRST walk for 40001 steps (28 resets) in 384 ms. (103 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (14 resets) in 254 ms. (156 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (25 resets) in 146 ms. (272 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40001 steps (20 resets) in 175 ms. (227 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (15 resets) in 246 ms. (161 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (11 resets) in 272 ms. (146 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (17 resets) in 173 ms. (229 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (15 resets) in 181 ms. (219 steps per ms) remains 8/8 properties
// Phase 1: matrix 381 rows 196 cols
[2025-06-02 17:03:11] [INFO ] Computed 22 invariants in 7 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) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 67/82 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/84 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 78/162 variables, 10/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 6/168 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/168 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 363/531 variables, 168/186 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/531 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 25/556 variables, 16/202 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/556 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 2/558 variables, 4/206 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/558 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/558 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 13/571 variables, 6/214 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/571 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (OVERLAPS) 6/577 variables, 4/218 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/577 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (OVERLAPS) 0/577 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 577/577 variables, and 218 constraints, problems are : Problem set: 0 solved, 8 unsolved in 910 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 196/196 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 67/82 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:12] [INFO ] Deduced a trap composed of 25 places in 60 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 2/84 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 78/162 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:12] [INFO ] Deduced a trap composed of 20 places in 172 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:13] [INFO ] Deduced a trap composed of 41 places in 123 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 6/168 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/168 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 363/531 variables, 168/189 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/531 variables, 8/197 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:13] [INFO ] Deduced a trap composed of 17 places in 129 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:13] [INFO ] Deduced a trap composed of 29 places in 110 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:14] [INFO ] Deduced a trap composed of 21 places in 139 ms of which 14 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/531 variables, 3/200 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:14] [INFO ] Deduced a trap composed of 40 places in 154 ms of which 8 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/531 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:14] [INFO ] Deduced a trap composed of 35 places in 163 ms of which 13 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/531 variables, 1/202 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:14] [INFO ] Deduced a trap composed of 17 places in 100 ms of which 9 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/531 variables, 1/203 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:15] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:15] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/531 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:15] [INFO ] Deduced a trap along path composed of 4 places in 34 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/531 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:15] [INFO ] Deduced a trap composed of 24 places in 158 ms of which 17 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/531 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/531 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (OVERLAPS) 25/556 variables, 16/223 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/556 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (OVERLAPS) 2/558 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/558 variables, 2/229 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/558 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 26 (OVERLAPS) 13/571 variables, 6/235 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/571 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 28 (OVERLAPS) 6/577 variables, 4/239 constraints. Problems are: Problem set: 0 solved, 8 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 577/577 variables, and 239 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 196/196 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 5949ms problems are : Problem set: 0 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 15 out of 196 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 196/196 places, 381/381 transitions.
Graph (complete) has 686 edges and 196 vertex of which 194 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 194 transition count 350
Reduce places removed 28 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 31 rules applied. Total rules applied 61 place count 166 transition count 347
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 3 rules applied. Total rules applied 64 place count 165 transition count 345
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 66 place count 163 transition count 345
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 9 Pre rules applied. Total rules applied 66 place count 163 transition count 336
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 84 place count 154 transition count 336
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 91 place count 147 transition count 325
Iterating global reduction 4 with 7 rules applied. Total rules applied 98 place count 147 transition count 325
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 98 place count 147 transition count 324
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 100 place count 146 transition count 324
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 4 with 61 rules applied. Total rules applied 161 place count 115 transition count 294
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 163 place count 115 transition count 292
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -51
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 5 with 16 rules applied. Total rules applied 179 place count 107 transition count 343
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 180 place count 107 transition count 342
Drop transitions (Redundant composition of simpler transitions.) removed 51 transitions
Redundant transition composition rules discarded 51 transitions
Iterating global reduction 6 with 51 rules applied. Total rules applied 231 place count 107 transition count 291
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 232 place count 107 transition count 290
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 233 place count 106 transition count 290
Free-agglomeration rule applied 3 times.
Iterating global reduction 8 with 3 rules applied. Total rules applied 236 place count 106 transition count 287
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 239 place count 103 transition count 287
Free-agglomeration rule (complex) applied 16 times.
Iterating global reduction 9 with 16 rules applied. Total rules applied 255 place count 103 transition count 347
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 9 with 36 rules applied. Total rules applied 291 place count 87 transition count 327
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 292 place count 87 transition count 326
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 10 with 3 rules applied. Total rules applied 295 place count 87 transition count 326
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 296 place count 86 transition count 325
Applied a total of 296 rules in 212 ms. Remains 86 /196 variables (removed 110) and now considering 325/381 (removed 56) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 213 ms. Remains : 86/196 places, 325/381 transitions.
RANDOM walk for 40000 steps (4119 resets) in 434 ms. (91 steps per ms) remains 2/8 properties
BEST_FIRST walk for 40004 steps (617 resets) in 105 ms. (377 steps per ms) remains 1/2 properties
// Phase 1: matrix 325 rows 86 cols
[2025-06-02 17:03:17] [INFO ] Computed 22 invariants in 4 ms
[2025-06-02 17:03:17] [INFO ] State equation strengthened by 159 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/55 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/71 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/73 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/73 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 311/384 variables, 73/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 147/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 27/411 variables, 13/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/411 variables, 3/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/411 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/411 variables, 12/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/411 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/411 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 411/411 variables, and 267 constraints, problems are : Problem set: 0 solved, 1 unsolved in 319 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 86/86 constraints, ReadFeed: 159/159 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/55 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/71 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/73 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/73 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 311/384 variables, 73/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 147/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 27/411 variables, 13/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/411 variables, 3/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/411 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/411 variables, 12/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/411 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/411 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 411/411 variables, and 268 constraints, problems are : Problem set: 0 solved, 1 unsolved in 444 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 86/86 constraints, ReadFeed: 159/159 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 781ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 520 steps, including 85 resets, run visited all 1 properties in 7 ms. (steps per millisecond=74 )
Parikh walk visited 1 properties in 17 ms.
FORMULA MedleyA-PT-19-LTLCardinality-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 686 edges and 196 vertex of which 194 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((!p0||X((X(X(G(p0))) U (!p0&&X(X(G(p0))))))))))'
Support contains 2 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 186 transition count 368
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 186 transition count 368
Applied a total of 20 rules in 8 ms. Remains 186 /196 variables (removed 10) and now considering 368/381 (removed 13) transitions.
// Phase 1: matrix 368 rows 186 cols
[2025-06-02 17:03:19] [INFO ] Computed 22 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:03:19] [INFO ] Implicit Places using invariants in 165 ms returned []
[2025-06-02 17:03:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:03:19] [INFO ] Implicit Places using invariants and state equation in 413 ms returned []
Implicit Place search using SMT with State Equation took 580 ms to find 0 implicit places.
Running 367 sub problems to find dead transitions.
[2025-06-02 17:03:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:25] [INFO ] Deduced a trap composed of 25 places in 190 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:25] [INFO ] Deduced a trap composed of 25 places in 154 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:25] [INFO ] Deduced a trap composed of 35 places in 159 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:25] [INFO ] Deduced a trap composed of 35 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 17:03:26] [INFO ] Deduced a trap composed of 15 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 17:03:26] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:26] [INFO ] Deduced a trap composed of 16 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 17:03:26] [INFO ] Deduced a trap composed of 18 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:27] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:27] [INFO ] Deduced a trap composed of 19 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:27] [INFO ] Deduced a trap composed of 25 places in 87 ms of which 9 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 11/33 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 5 (OVERLAPS) 368/554 variables, 186/219 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:35] [INFO ] Deduced a trap composed of 13 places in 156 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:35] [INFO ] Deduced a trap composed of 23 places in 93 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:36] [INFO ] Deduced a trap composed of 14 places in 140 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:36] [INFO ] Deduced a trap composed of 24 places in 119 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:36] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:36] [INFO ] Deduced a trap composed of 25 places in 67 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 6/225 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:46] [INFO ] Deduced a trap along path composed of 2 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:48] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
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 Real declared 554/554 variables, and 227 constraints, problems are : Problem set: 0 solved, 367 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 367/367 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 17/39 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 5 (OVERLAPS) 368/554 variables, 186/225 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 367/592 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:59] [INFO ] Deduced a trap composed of 31 places in 264 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:03:59] [INFO ] Deduced a trap composed of 39 places in 290 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:01] [INFO ] Deduced a trap composed of 40 places in 150 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:02] [INFO ] Deduced a trap composed of 29 places in 186 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:04] [INFO ] Deduced a trap composed of 25 places in 180 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:08] [INFO ] Deduced a trap composed of 24 places in 164 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:14] [INFO ] Deduced a trap composed of 34 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:14] [INFO ] Deduced a trap composed of 35 places in 92 ms of which 14 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/554 variables, 8/600 constraints. Problems are: Problem set: 0 solved, 367 unsolved
SMT process timed out in 60383ms, After SMT, problems are : Problem set: 0 solved, 367 unsolved
Search for dead transitions found 0 dead transitions in 60386ms
Starting structural reductions in LTL mode, iteration 1 : 186/196 places, 368/381 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60976 ms. Remains : 186/196 places, 368/381 transitions.
Stuttering acceptance computed with spot in 406 ms :[p0, p0, p0, true, (NOT p0), (NOT p0), true]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 495 ms.
Product exploration explored 100000 steps with 1 reset in 339 ms.
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 654 edges and 186 vertex of which 184 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.8 ms
Computed a total of 19 stabilizing places and 19 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 125 ms. Reduced automaton from 7 states, 9 edges and 1 AP (stutter sensitive) to 7 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 305 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
RANDOM walk for 40000 steps (36 resets) in 391 ms. (102 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (13 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1128975 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 1
Probabilistic random walk after 1128975 steps, saw 179885 distinct states, run finished after 3010 ms. (steps per millisecond=375 ) properties seen :0
[2025-06-02 17:04:24] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/71 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/149 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/158 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 350/508 variables, 158/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 25/533 variables, 16/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/533 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/535 variables, 4/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/535 variables, 2/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/535 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 13/548 variables, 6/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/548 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/554 variables, 4/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/554 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/554 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 208 constraints, problems are : Problem set: 0 solved, 1 unsolved in 345 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/71 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/149 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:25] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/158 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/158 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 350/508 variables, 158/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/508 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/508 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 25/533 variables, 16/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/533 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/535 variables, 4/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/535 variables, 2/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:25] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/535 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/535 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/548 variables, 6/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/548 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/554 variables, 4/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/554 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/554 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 894ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 82 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=41 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 126 ms. Reduced automaton from 7 states, 9 edges and 1 AP (stutter sensitive) to 7 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 277 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 309 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
[2025-06-02 17:04:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
Proved EG true
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), true]
Knowledge based reduction with 2 factoid took 161 ms. Reduced automaton from 7 states, 9 edges and 1 AP (stutter sensitive) to 7 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 262 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
Support contains 2 out of 186 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 186/186 places, 368/368 transitions.
Applied a total of 0 rules in 5 ms. Remains 186 /186 variables (removed 0) and now considering 368/368 (removed 0) transitions.
[2025-06-02 17:04:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:04:27] [INFO ] Implicit Places using invariants in 175 ms returned []
[2025-06-02 17:04:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:04:27] [INFO ] Implicit Places using invariants and state equation in 450 ms returned []
Implicit Place search using SMT with State Equation took 628 ms to find 0 implicit places.
Running 367 sub problems to find dead transitions.
[2025-06-02 17:04:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:36] [INFO ] Deduced a trap composed of 25 places in 198 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:36] [INFO ] Deduced a trap composed of 25 places in 180 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:37] [INFO ] Deduced a trap composed of 35 places in 156 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:37] [INFO ] Deduced a trap composed of 35 places in 117 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:37] [INFO ] Deduced a trap composed of 15 places in 125 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:37] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:38] [INFO ] Deduced a trap composed of 16 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 17:04:38] [INFO ] Deduced a trap composed of 18 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:38] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:38] [INFO ] Deduced a trap composed of 19 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:39] [INFO ] Deduced a trap composed of 25 places in 125 ms of which 14 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 11/33 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 5 (OVERLAPS) 368/554 variables, 186/219 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:49] [INFO ] Deduced a trap composed of 13 places in 273 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:49] [INFO ] Deduced a trap composed of 23 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:50] [INFO ] Deduced a trap composed of 14 places in 166 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:50] [INFO ] Deduced a trap composed of 24 places in 112 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:51] [INFO ] Deduced a trap composed of 15 places in 143 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:04:51] [INFO ] Deduced a trap composed of 25 places in 114 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 6/225 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 554/554 variables, and 225 constraints, problems are : Problem set: 0 solved, 367 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 367/367 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 17/39 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 5 (OVERLAPS) 368/554 variables, 186/225 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 367/592 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:14] [INFO ] Deduced a trap composed of 31 places in 303 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:14] [INFO ] Deduced a trap composed of 40 places in 300 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:18] [INFO ] Deduced a trap composed of 25 places in 119 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:18] [INFO ] Deduced a trap composed of 35 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 17:05:18] [INFO ] Deduced a trap composed of 41 places in 94 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:18] [INFO ] Deduced a trap composed of 24 places in 133 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:20] [INFO ] Deduced a trap composed of 34 places in 120 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/554 variables, 7/599 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 554/554 variables, and 599 constraints, problems are : Problem set: 0 solved, 367 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 367/367 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60443ms problems are : Problem set: 0 solved, 367 unsolved
Search for dead transitions found 0 dead transitions in 60446ms
Finished structural reductions in LTL mode , in 1 iterations and 61082 ms. Remains : 186/186 places, 368/368 transitions.
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 654 edges and 186 vertex of which 184 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Computed a total of 19 stabilizing places and 19 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 94 ms. Reduced automaton from 7 states, 9 edges and 1 AP (stutter sensitive) to 7 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 254 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
RANDOM walk for 40000 steps (15 resets) in 170 ms. (233 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (42 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1147239 steps, run timeout after 3001 ms. (steps per millisecond=382 ) properties seen :0 out of 1
Probabilistic random walk after 1147239 steps, saw 182414 distinct states, run finished after 3001 ms. (steps per millisecond=382 ) properties seen :0
[2025-06-02 17:05:31] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/71 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/149 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/158 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 350/508 variables, 158/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 25/533 variables, 16/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/533 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/535 variables, 4/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/535 variables, 2/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/535 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 13/548 variables, 6/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/548 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/554 variables, 4/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/554 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/554 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 208 constraints, problems are : Problem set: 0 solved, 1 unsolved in 324 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/71 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 78/149 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:32] [INFO ] Deduced a trap composed of 17 places in 85 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/158 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/158 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 350/508 variables, 158/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/508 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/508 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 25/533 variables, 16/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/533 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/535 variables, 4/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/535 variables, 2/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:32] [INFO ] Deduced a trap along path composed of 2 places in 31 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/535 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/535 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/548 variables, 6/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/548 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/554 variables, 4/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/554 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/554 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 779 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1112ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 71 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=35 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 149 ms. Reduced automaton from 7 states, 9 edges and 1 AP (stutter sensitive) to 7 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 318 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 317 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
[2025-06-02 17:05:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
Proved EG true
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0)), true]
Knowledge based reduction with 1 factoid took 143 ms. Reduced automaton from 7 states, 9 edges and 1 AP (stutter sensitive) to 7 states, 9 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 294 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 271 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 2 reset in 140 ms.
Product exploration explored 100000 steps with 2 reset in 221 ms.
Applying partial POR strategy [false, false, false, false, false, true, true]
Stuttering acceptance computed with spot in 322 ms :[true, true, true, true, (NOT p0), (NOT p0), true]
Support contains 2 out of 186 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 186/186 places, 368/368 transitions.
Graph (complete) has 654 edges and 186 vertex of which 184 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Performed 31 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 31 rules applied. Total rules applied 32 place count 184 transition count 366
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 6 rules applied. Total rules applied 38 place count 184 transition count 363
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 38 place count 184 transition count 365
Deduced a syphon composed of 39 places in 1 ms
Iterating global reduction 2 with 5 rules applied. Total rules applied 43 place count 184 transition count 365
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 59 place count 168 transition count 346
Deduced a syphon composed of 26 places in 0 ms
Iterating global reduction 2 with 16 rules applied. Total rules applied 75 place count 168 transition count 346
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 66 places in 1 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 115 place count 168 transition count 354
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 131 place count 152 transition count 338
Deduced a syphon composed of 50 places in 0 ms
Iterating global reduction 2 with 16 rules applied. Total rules applied 147 place count 152 transition count 338
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 56 places in 1 ms
Iterating global reduction 2 with 6 rules applied. Total rules applied 153 place count 152 transition count 374
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 154 place count 151 transition count 372
Deduced a syphon composed of 55 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 155 place count 151 transition count 372
Deduced a syphon composed of 55 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 2 with 35 rules applied. Total rules applied 190 place count 151 transition count 337
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 57 places in 0 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 192 place count 151 transition count 364
Deduced a syphon composed of 57 places in 0 ms
Applied a total of 192 rules in 122 ms. Remains 151 /186 variables (removed 35) and now considering 364/368 (removed 4) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 17:05:36] [INFO ] Redundant transitions in 165 ms returned []
Running 360 sub problems to find dead transitions.
[2025-06-02 17:05:36] [INFO ] Flow matrix only has 363 transitions (discarded 1 similar events)
// Phase 1: matrix 363 rows 151 cols
[2025-06-02 17:05:36] [INFO ] Computed 22 invariants in 5 ms
[2025-06-02 17:05:36] [INFO ] State equation strengthened by 144 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 360 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 360 unsolved
At refinement iteration 2 (OVERLAPS) 1/151 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 360 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:42] [INFO ] Deduced a trap composed of 4 places in 174 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:42] [INFO ] Deduced a trap composed of 9 places in 73 ms of which 4 ms to minimize.
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:43] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 6 ms to minimize.
Problem TDEAD16 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:43] [INFO ] Deduced a trap composed of 4 places in 102 ms of which 8 ms to minimize.
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:43] [INFO ] Deduced a trap composed of 10 places in 91 ms of which 8 ms to minimize.
Problem TDEAD32 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:43] [INFO ] Deduced a trap composed of 11 places in 78 ms of which 7 ms to minimize.
Problem TDEAD42 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:43] [INFO ] Deduced a trap composed of 9 places in 117 ms of which 10 ms to minimize.
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD63 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:43] [INFO ] Deduced a trap composed of 11 places in 76 ms of which 8 ms to minimize.
Problem TDEAD69 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:43] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 10 ms to minimize.
Problem TDEAD84 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD89 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:05:44] [INFO ] Deduced a trap composed of 4 places in 125 ms of which 9 ms to minimize.
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD256 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD337 is UNSAT
Problem TDEAD338 is UNSAT
Problem TDEAD339 is UNSAT
Problem TDEAD356 is UNSAT
Problem TDEAD357 is UNSAT
Problem TDEAD358 is UNSAT
Problem TDEAD359 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 10/32 constraints. Problems are: Problem set: 73 solved, 287 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/32 constraints. Problems are: Problem set: 73 solved, 287 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD289 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD293 is UNSAT
At refinement iteration 5 (OVERLAPS) 362/513 variables, 151/183 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/513 variables, 143/326 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/513 variables, 0/326 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 8 (OVERLAPS) 1/514 variables, 1/327 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/514 variables, 0/327 constraints. Problems are: Problem set: 81 solved, 279 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 514/514 variables, and 327 constraints, problems are : Problem set: 81 solved, 279 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 151/151 constraints, ReadFeed: 144/144 constraints, PredecessorRefiner: 360/360 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 81 solved, 279 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 3/3 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 2 (OVERLAPS) 30/123 variables, 6/9 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 10/19 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 0/19 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 5 (OVERLAPS) 23/146 variables, 13/32 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/32 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 7 (OVERLAPS) 361/507 variables, 146/178 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/507 variables, 143/321 constraints. Problems are: Problem set: 81 solved, 279 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/507 variables, 279/600 constraints. Problems are: Problem set: 81 solved, 279 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 507/514 variables, and 600 constraints, problems are : Problem set: 81 solved, 279 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 146/151 constraints, ReadFeed: 143/144 constraints, PredecessorRefiner: 279/360 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60429ms problems are : Problem set: 81 solved, 279 unsolved
Search for dead transitions found 81 dead transitions in 60433ms
Found 81 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 81 transitions
Dead transitions reduction (with SMT) removed 81 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 151/186 places, 283/368 transitions.
Graph (complete) has 561 edges and 151 vertex of which 94 are kept as prefixes of interest. Removing 57 places using SCC suffix rule.1 ms
Discarding 57 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 91 transition count 295
Deduced a syphon composed of 1 places in 1 ms
Applied a total of 2 rules in 18 ms. Remains 91 /151 variables (removed 60) and now considering 295/283 (removed -12) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 91/186 places, 295/368 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60752 ms. Remains : 91/186 places, 295/368 transitions.
Built C files in :
/tmp/ltsmin7594066525072778700
[2025-06-02 17:06:36] [INFO ] Built C files in 34ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7594066525072778700
Running compilation step : cd /tmp/ltsmin7594066525072778700;'/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 1174 ms.
Running link step : cd /tmp/ltsmin7594066525072778700;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin7594066525072778700;'/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/stateBased2489712969369733817.hoa' '--buchi-type=spotba'
LTSmin run took 271 ms.
FORMULA MedleyA-PT-19-LTLCardinality-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property MedleyA-PT-19-LTLCardinality-01 finished in 199214 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Graph (complete) has 686 edges and 196 vertex of which 194 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 30 rules applied. Total rules applied 31 place count 193 transition count 348
Reduce places removed 30 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 36 rules applied. Total rules applied 67 place count 163 transition count 342
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 70 place count 160 transition count 342
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 70 place count 160 transition count 330
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 94 place count 148 transition count 330
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 108 place count 134 transition count 309
Iterating global reduction 3 with 14 rules applied. Total rules applied 122 place count 134 transition count 309
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 122 place count 134 transition count 308
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 124 place count 133 transition count 308
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
Deduced a syphon composed of 32 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 3 with 66 rules applied. Total rules applied 190 place count 99 transition count 276
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 200 place count 94 transition count 305
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 3 with 20 rules applied. Total rules applied 220 place count 94 transition count 285
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
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 222 place count 93 transition count 295
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 223 place count 92 transition count 294
Applied a total of 223 rules in 98 ms. Remains 92 /196 variables (removed 104) and now considering 294/381 (removed 87) transitions.
[2025-06-02 17:06:38] [INFO ] Flow matrix only has 293 transitions (discarded 1 similar events)
// Phase 1: matrix 293 rows 92 cols
[2025-06-02 17:06:38] [INFO ] Computed 20 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:06:38] [INFO ] Implicit Places using invariants in 181 ms returned [30]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 184 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 91/196 places, 294/381 transitions.
Applied a total of 0 rules in 14 ms. Remains 91 /91 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 297 ms. Remains : 91/196 places, 294/381 transitions.
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-06
Product exploration explored 100000 steps with 3 reset in 177 ms.
Product exploration explored 100000 steps with 1 reset in 198 ms.
Computed a total of 10 stabilizing places and 144 stable transitions
Computed a total of 10 stabilizing places and 144 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 99 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 32592 steps (3510 resets) in 679 ms. (47 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 91 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 91/91 places, 294/294 transitions.
Applied a total of 0 rules in 10 ms. Remains 91 /91 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-02 17:06:39] [INFO ] Flow matrix only has 293 transitions (discarded 1 similar events)
// Phase 1: matrix 293 rows 91 cols
[2025-06-02 17:06:39] [INFO ] Computed 19 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:06:39] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-02 17:06:39] [INFO ] Flow matrix only has 293 transitions (discarded 1 similar events)
[2025-06-02 17:06:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:06:39] [INFO ] State equation strengthened by 134 read => feed constraints.
[2025-06-02 17:06:40] [INFO ] Implicit Places using invariants and state equation in 457 ms returned []
Implicit Place search using SMT with State Equation took 572 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 17:06:40] [INFO ] Redundant transitions in 74 ms returned []
Running 286 sub problems to find dead transitions.
[2025-06-02 17:06:40] [INFO ] Flow matrix only has 293 transitions (discarded 1 similar events)
[2025-06-02 17:06:40] [INFO ] Invariant cache hit.
[2025-06-02 17:06:40] [INFO ] State equation strengthened by 134 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 292/383 variables, 91/110 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/383 variables, 133/243 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/383 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (OVERLAPS) 1/384 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/384 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 9 (OVERLAPS) 0/384 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 286 unsolved
No progress, stopping.
After SMT solving in domain Real declared 384/384 variables, and 244 constraints, problems are : Problem set: 0 solved, 286 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 91/91 constraints, ReadFeed: 134/134 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 292/383 variables, 91/110 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/383 variables, 133/243 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/383 variables, 286/529 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:07:33] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/383 variables, 1/530 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 383/384 variables, and 530 constraints, problems are : Problem set: 0 solved, 286 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 91/91 constraints, ReadFeed: 133/134 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 60281ms problems are : Problem set: 0 solved, 286 unsolved
Search for dead transitions found 0 dead transitions in 60283ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60951 ms. Remains : 91/91 places, 294/294 transitions.
Computed a total of 10 stabilizing places and 144 stable transitions
Computed a total of 10 stabilizing places and 144 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 105 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 25728 steps (2761 resets) in 125 ms. (204 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 137 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 6 reset in 88 ms.
Product exploration explored 100000 steps with 0 reset in 233 ms.
Built C files in :
/tmp/ltsmin18021914898608327237
[2025-06-02 17:07:41] [INFO ] Computing symmetric may disable matrix : 294 transitions.
[2025-06-02 17:07:41] [INFO ] Computation of Complete disable matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 17:07:41] [INFO ] Computing symmetric may enable matrix : 294 transitions.
[2025-06-02 17:07:41] [INFO ] Computation of Complete enable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 17:07:41] [INFO ] Computing Do-Not-Accords matrix : 294 transitions.
[2025-06-02 17:07:41] [INFO ] Computation of Completed DNA matrix. took 19 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 17:07:41] [INFO ] Built C files in 111ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18021914898608327237
Running compilation step : cd /tmp/ltsmin18021914898608327237;'/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 1252 ms.
Running link step : cd /tmp/ltsmin18021914898608327237;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 54 ms.
Running LTSmin : cd /tmp/ltsmin18021914898608327237;'/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/stateBased8327051060479402752.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 91 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 91/91 places, 294/294 transitions.
Applied a total of 0 rules in 6 ms. Remains 91 /91 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2025-06-02 17:07:56] [INFO ] Flow matrix only has 293 transitions (discarded 1 similar events)
[2025-06-02 17:07:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:07:56] [INFO ] Implicit Places using invariants in 94 ms returned []
[2025-06-02 17:07:56] [INFO ] Flow matrix only has 293 transitions (discarded 1 similar events)
[2025-06-02 17:07:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:07:57] [INFO ] State equation strengthened by 134 read => feed constraints.
[2025-06-02 17:07:57] [INFO ] Implicit Places using invariants and state equation in 485 ms returned []
Implicit Place search using SMT with State Equation took 581 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 17:07:57] [INFO ] Redundant transitions in 72 ms returned []
Running 286 sub problems to find dead transitions.
[2025-06-02 17:07:57] [INFO ] Flow matrix only has 293 transitions (discarded 1 similar events)
[2025-06-02 17:07:57] [INFO ] Invariant cache hit.
[2025-06-02 17:07:57] [INFO ] State equation strengthened by 134 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 292/383 variables, 91/110 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/383 variables, 133/243 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/383 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 7 (OVERLAPS) 1/384 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/384 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 9 (OVERLAPS) 0/384 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 286 unsolved
No progress, stopping.
After SMT solving in domain Real declared 384/384 variables, and 244 constraints, problems are : Problem set: 0 solved, 286 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 91/91 constraints, ReadFeed: 134/134 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 4 (OVERLAPS) 292/383 variables, 91/110 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/383 variables, 133/243 constraints. Problems are: Problem set: 0 solved, 286 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/383 variables, 286/529 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:08:51] [INFO ] Deduced a trap along path composed of 2 places in 52 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/383 variables, 1/530 constraints. Problems are: Problem set: 0 solved, 286 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 383/384 variables, and 530 constraints, problems are : Problem set: 0 solved, 286 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 91/91 constraints, ReadFeed: 133/134 constraints, PredecessorRefiner: 286/286 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 60352ms problems are : Problem set: 0 solved, 286 unsolved
Search for dead transitions found 0 dead transitions in 60354ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61023 ms. Remains : 91/91 places, 294/294 transitions.
Built C files in :
/tmp/ltsmin13365263911336140235
[2025-06-02 17:08:57] [INFO ] Computing symmetric may disable matrix : 294 transitions.
[2025-06-02 17:08:57] [INFO ] Computation of Complete disable matrix. took 10 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 17:08:57] [INFO ] Computing symmetric may enable matrix : 294 transitions.
[2025-06-02 17:08:57] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 17:08:57] [INFO ] Computing Do-Not-Accords matrix : 294 transitions.
[2025-06-02 17:08:57] [INFO ] Computation of Completed DNA matrix. took 14 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 17:08:57] [INFO ] Built C files in 79ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13365263911336140235
Running compilation step : cd /tmp/ltsmin13365263911336140235;'/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 1038 ms.
Running link step : cd /tmp/ltsmin13365263911336140235;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 65 ms.
Running LTSmin : cd /tmp/ltsmin13365263911336140235;'/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/stateBased2204606404401370974.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-02 17:09:13] [INFO ] Flatten gal took : 37 ms
[2025-06-02 17:09:13] [INFO ] Flatten gal took : 36 ms
[2025-06-02 17:09:13] [INFO ] Time to serialize gal into /tmp/LTL1067928602000593444.gal : 6 ms
[2025-06-02 17:09:13] [INFO ] Time to serialize properties into /tmp/LTL525740917565767957.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1067928602000593444.gal' '-t' 'CGAL' '-hoa' '/tmp/aut7325797555858361132.hoa' '-atoms' '/tmp/LTL525740917565767957.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...316
Loading property file /tmp/LTL525740917565767957.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut7325797555858361132.hoa
Reverse transition relation is NOT exact ! Due to transitions t7.t252.t18, t7.t252.t19.t10.t11.t12.t13.t14, t22.t77.t127.t128.t176.t129.t133.t78.t79.t121.t...912
Computing Next relation with stutter on 4850 deadlock states
4 unique states visited
4 strongly connected components in search stack
5 transitions explored
4 items max in DFS search stack
532 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,5.4147,116468,1,0,357,494927,616,120,6993,283713,619
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA MedleyA-PT-19-LTLCardinality-06 FALSE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property MedleyA-PT-19-LTLCardinality-06 finished in 160936 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0&&F(!p0)&&F(G(p1))))))'
Support contains 3 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 186 transition count 368
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 186 transition count 368
Applied a total of 20 rules in 8 ms. Remains 186 /196 variables (removed 10) and now considering 368/381 (removed 13) transitions.
// Phase 1: matrix 368 rows 186 cols
[2025-06-02 17:09:19] [INFO ] Computed 22 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:09:19] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-06-02 17:09:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:09:19] [INFO ] Implicit Places using invariants and state equation in 459 ms returned []
Implicit Place search using SMT with State Equation took 683 ms to find 0 implicit places.
Running 367 sub problems to find dead transitions.
[2025-06-02 17:09:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:28] [INFO ] Deduced a trap composed of 26 places in 247 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:28] [INFO ] Deduced a trap composed of 26 places in 158 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:28] [INFO ] Deduced a trap composed of 35 places in 164 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:29] [INFO ] Deduced a trap composed of 35 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:29] [INFO ] Deduced a trap composed of 16 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:29] [INFO ] Deduced a trap composed of 18 places in 119 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:29] [INFO ] Deduced a trap composed of 18 places in 167 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:30] [INFO ] Deduced a trap composed of 16 places in 114 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:30] [INFO ] Deduced a trap composed of 18 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:30] [INFO ] Deduced a trap composed of 16 places in 118 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:31] [INFO ] Deduced a trap composed of 18 places in 112 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 11/33 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 5 (OVERLAPS) 368/554 variables, 186/219 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:41] [INFO ] Deduced a trap composed of 14 places in 219 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:41] [INFO ] Deduced a trap composed of 23 places in 105 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:42] [INFO ] Deduced a trap composed of 14 places in 189 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:42] [INFO ] Deduced a trap composed of 14 places in 177 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:43] [INFO ] Deduced a trap composed of 24 places in 102 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:09:43] [INFO ] Deduced a trap composed of 25 places in 114 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 6/225 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 554/554 variables, and 225 constraints, problems are : Problem set: 0 solved, 367 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 367/367 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 17/39 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 5 (OVERLAPS) 368/554 variables, 186/225 constraints. Problems are: Problem set: 0 solved, 367 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/554 variables, 367/592 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:04] [INFO ] Deduced a trap composed of 50 places in 111 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:08] [INFO ] Deduced a trap composed of 24 places in 152 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:09] [INFO ] Deduced a trap composed of 24 places in 137 ms of which 8 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 554/554 variables, and 595 constraints, problems are : Problem set: 0 solved, 367 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 367/367 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60451ms problems are : Problem set: 0 solved, 367 unsolved
Search for dead transitions found 0 dead transitions in 60454ms
Starting structural reductions in LTL mode, iteration 1 : 186/196 places, 368/381 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61148 ms. Remains : 186/196 places, 368/381 transitions.
Stuttering acceptance computed with spot in 377 ms :[true, true, true, true, p0, (NOT p1)]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-07
Product exploration explored 100000 steps with 0 reset in 178 ms.
Stuttering criterion allowed to conclude after 42 steps with 0 reset in 0 ms.
FORMULA MedleyA-PT-19-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-19-LTLCardinality-07 finished in 61742 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((F(p0)&&X(G(p1)))) U X(p2)))'
Support contains 4 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 185 transition count 366
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 185 transition count 366
Applied a total of 22 rules in 6 ms. Remains 185 /196 variables (removed 11) and now considering 366/381 (removed 15) transitions.
// Phase 1: matrix 366 rows 185 cols
[2025-06-02 17:10:20] [INFO ] Computed 22 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:10:21] [INFO ] Implicit Places using invariants in 201 ms returned []
[2025-06-02 17:10:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:10:21] [INFO ] Implicit Places using invariants and state equation in 435 ms returned []
Implicit Place search using SMT with State Equation took 641 ms to find 0 implicit places.
Running 365 sub problems to find dead transitions.
[2025-06-02 17:10:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 2 (OVERLAPS) 1/185 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:30] [INFO ] Deduced a trap composed of 25 places in 162 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:30] [INFO ] Deduced a trap composed of 25 places in 129 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:30] [INFO ] Deduced a trap composed of 35 places in 121 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:30] [INFO ] Deduced a trap composed of 35 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:30] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:30] [INFO ] Deduced a trap composed of 17 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 17:10:31] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:31] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:31] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:31] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 10/32 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 5 (OVERLAPS) 366/551 variables, 185/217 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:42] [INFO ] Deduced a trap composed of 13 places in 280 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:42] [INFO ] Deduced a trap composed of 23 places in 127 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:43] [INFO ] Deduced a trap composed of 14 places in 191 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:43] [INFO ] Deduced a trap composed of 24 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:10:44] [INFO ] Deduced a trap composed of 14 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 17:10:44] [INFO ] Deduced a trap composed of 24 places in 105 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/551 variables, 6/223 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 551/551 variables, and 223 constraints, problems are : Problem set: 0 solved, 365 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 365/365 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 2 (OVERLAPS) 1/185 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 16/38 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 5 (OVERLAPS) 366/551 variables, 185/223 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/551 variables, 365/588 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:08] [INFO ] Deduced a trap composed of 24 places in 245 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:09] [INFO ] Deduced a trap composed of 24 places in 102 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:10] [INFO ] Deduced a trap composed of 21 places in 191 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:12] [INFO ] Deduced a trap composed of 34 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:13] [INFO ] Deduced a trap composed of 34 places in 121 ms of which 15 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/551 variables, 5/593 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 551/551 variables, and 593 constraints, problems are : Problem set: 0 solved, 365 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 365/365 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60388ms problems are : Problem set: 0 solved, 365 unsolved
Search for dead transitions found 0 dead transitions in 60392ms
Starting structural reductions in LTL mode, iteration 1 : 185/196 places, 366/381 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61042 ms. Remains : 185/196 places, 366/381 transitions.
Stuttering acceptance computed with spot in 310 ms :[(NOT p2), (AND (NOT p0) (NOT p2) p1), (NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-08
Product exploration explored 100000 steps with 8 reset in 188 ms.
Product exploration explored 100000 steps with 3 reset in 232 ms.
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 650 edges and 185 vertex of which 183 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Computed a total of 19 stabilizing places and 19 stable transitions
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 228 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 252 ms :[(NOT p2), (AND (NOT p2) (NOT p0) p1), (NOT p2), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (17 resets) in 275 ms. (144 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (13 resets) in 374 ms. (106 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40002 steps (13 resets) in 201 ms. (198 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (16 resets) in 164 ms. (242 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (17 resets) in 148 ms. (268 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (11 resets) in 163 ms. (243 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (28 resets) in 149 ms. (266 steps per ms) remains 5/5 properties
[2025-06-02 17:11:23] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 23/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 45/72 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 77/149 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 9/158 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 350/508 variables, 158/176 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 27/535 variables, 18/194 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/535 variables, 2/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/535 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 1/536 variables, 2/198 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/536 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/536 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 10/546 variables, 5/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/546 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 5/551 variables, 3/207 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/551 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 21 (OVERLAPS) 0/551 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 207 constraints, problems are : Problem set: 0 solved, 5 unsolved in 628 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 23/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 45/72 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem apf1 is UNSAT
Problem apf3 is UNSAT
At refinement iteration 5 (OVERLAPS) 77/149 variables, 9/15 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/15 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 9/158 variables, 3/18 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 350/508 variables, 158/176 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 2/178 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:24] [INFO ] Deduced a trap composed of 40 places in 85 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/508 variables, 1/179 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/508 variables, 0/179 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 27/535 variables, 18/197 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/535 variables, 2/199 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/535 variables, 1/200 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:25] [INFO ] Deduced a trap composed of 15 places in 121 ms of which 13 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/535 variables, 1/201 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:25] [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 17:11:25] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/535 variables, 2/203 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/535 variables, 0/203 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 1/536 variables, 2/205 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/536 variables, 1/206 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/536 variables, 0/206 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 10/546 variables, 5/211 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/546 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 5/551 variables, 3/214 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/551 variables, 0/214 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 0/551 variables, 0/214 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 214 constraints, problems are : Problem set: 2 solved, 3 unsolved in 1757 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 2402ms problems are : Problem set: 2 solved, 3 unsolved
Parikh walk visited 0 properties in 1410 ms.
Support contains 4 out of 185 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 185/185 places, 366/366 transitions.
Graph (complete) has 650 edges and 185 vertex of which 183 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 31 rules applied. Total rules applied 32 place count 183 transition count 333
Reduce places removed 30 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 36 rules applied. Total rules applied 68 place count 153 transition count 327
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 71 place count 150 transition count 327
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 13 Pre rules applied. Total rules applied 71 place count 150 transition count 314
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 97 place count 137 transition count 314
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 100 place count 134 transition count 308
Iterating global reduction 3 with 3 rules applied. Total rules applied 103 place count 134 transition count 308
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 3 with 68 rules applied. Total rules applied 171 place count 99 transition count 275
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 173 place count 99 transition count 273
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -37
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 183 place count 94 transition count 310
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 4 with 17 rules applied. Total rules applied 200 place count 94 transition count 293
Free-agglomeration rule applied 6 times.
Iterating global reduction 4 with 6 rules applied. Total rules applied 206 place count 94 transition count 287
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 212 place count 88 transition count 287
Free-agglomeration rule (complex) applied 18 times.
Iterating global reduction 5 with 18 rules applied. Total rules applied 230 place count 88 transition count 491
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 5 with 72 rules applied. Total rules applied 302 place count 70 transition count 437
Applied a total of 302 rules in 52 ms. Remains 70 /185 variables (removed 115) and now considering 437/366 (removed -71) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 70/185 places, 437/366 transitions.
RANDOM walk for 36837 steps (5839 resets) in 375 ms. (97 steps per ms) remains 0/3 properties
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p1)), (G (OR p0 p1)), (G (OR p2 p0 p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1)), (F p2), (F (NOT (OR p2 p0 (NOT p1))))]
Knowledge based reduction with 14 factoid took 401 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 256 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 238 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
[2025-06-02 17:11:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 17:11:28] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-02 17:11:28] [INFO ] [Real]Absence check using 6 positive and 16 generalized place invariants in 14 ms returned sat
[2025-06-02 17:11:29] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-02 17:11:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 17:11:29] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-02 17:11:29] [INFO ] [Nat]Absence check using 6 positive and 16 generalized place invariants in 14 ms returned sat
[2025-06-02 17:11:29] [INFO ] [Nat]Absence check using state equation in 236 ms returned sat
[2025-06-02 17:11:29] [INFO ] Computed and/alt/rep : 328/1209/328 causal constraints (skipped 37 transitions) in 41 ms.
[2025-06-02 17:11:31] [INFO ] Added : 178 causal constraints over 36 iterations in 1637 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 4 out of 185 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 185/185 places, 366/366 transitions.
Applied a total of 0 rules in 3 ms. Remains 185 /185 variables (removed 0) and now considering 366/366 (removed 0) transitions.
[2025-06-02 17:11:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:11:31] [INFO ] Implicit Places using invariants in 184 ms returned []
[2025-06-02 17:11:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:11:31] [INFO ] Implicit Places using invariants and state equation in 430 ms returned []
Implicit Place search using SMT with State Equation took 617 ms to find 0 implicit places.
Running 365 sub problems to find dead transitions.
[2025-06-02 17:11:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 2 (OVERLAPS) 1/185 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:40] [INFO ] Deduced a trap composed of 25 places in 194 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:40] [INFO ] Deduced a trap composed of 25 places in 156 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:40] [INFO ] Deduced a trap composed of 35 places in 157 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:40] [INFO ] Deduced a trap composed of 35 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:41] [INFO ] Deduced a trap composed of 15 places in 121 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:41] [INFO ] Deduced a trap composed of 17 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 17:11:41] [INFO ] Deduced a trap composed of 16 places in 102 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:42] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:42] [INFO ] Deduced a trap composed of 16 places in 100 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:42] [INFO ] Deduced a trap composed of 18 places in 102 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 10/32 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 5 (OVERLAPS) 366/551 variables, 185/217 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:52] [INFO ] Deduced a trap composed of 13 places in 176 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:52] [INFO ] Deduced a trap composed of 23 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:53] [INFO ] Deduced a trap composed of 14 places in 209 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:53] [INFO ] Deduced a trap composed of 24 places in 108 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:54] [INFO ] Deduced a trap composed of 14 places in 127 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:11:54] [INFO ] Deduced a trap composed of 24 places in 111 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/551 variables, 6/223 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 551/551 variables, and 223 constraints, problems are : Problem set: 0 solved, 365 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 365/365 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 2 (OVERLAPS) 1/185 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 16/38 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 5 (OVERLAPS) 366/551 variables, 185/223 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/551 variables, 365/588 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:19] [INFO ] Deduced a trap composed of 24 places in 273 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:19] [INFO ] Deduced a trap composed of 24 places in 118 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:20] [INFO ] Deduced a trap composed of 21 places in 186 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:23] [INFO ] Deduced a trap composed of 34 places in 98 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:23] [INFO ] Deduced a trap composed of 34 places in 141 ms of which 20 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 551/551 variables, and 593 constraints, problems are : Problem set: 0 solved, 365 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 365/365 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60439ms problems are : Problem set: 0 solved, 365 unsolved
Search for dead transitions found 0 dead transitions in 60442ms
Finished structural reductions in LTL mode , in 1 iterations and 61064 ms. Remains : 185/185 places, 366/366 transitions.
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 650 edges and 185 vertex of which 183 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Computed a total of 19 stabilizing places and 19 stable transitions
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 171 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 273 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (17 resets) in 248 ms. (160 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40001 steps (11 resets) in 110 ms. (360 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (20 resets) in 107 ms. (370 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (20 resets) in 105 ms. (377 steps per ms) remains 3/3 properties
[2025-06-02 17:12:33] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 23/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 45/72 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 77/149 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 9/158 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 350/508 variables, 158/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 27/535 variables, 18/194 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/535 variables, 2/196 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/535 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 1/536 variables, 2/198 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/536 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/536 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 10/546 variables, 5/204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/546 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 5/551 variables, 3/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/551 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 0/551 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 207 constraints, problems are : Problem set: 0 solved, 3 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 23/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 45/72 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 77/149 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 9/158 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 350/508 variables, 158/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/508 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 27/535 variables, 18/196 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/535 variables, 2/198 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/535 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/535 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 1/536 variables, 2/201 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/536 variables, 1/202 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 17:12:34] [INFO ] Deduced a trap along path composed of 2 places in 30 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/536 variables, 1/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/536 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 10/546 variables, 5/208 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 17:12:34] [INFO ] Deduced a trap composed of 15 places in 112 ms of which 11 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/546 variables, 1/209 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 17:12:34] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/546 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/546 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 5/551 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 213 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1677 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 2223ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 2 properties in 392 ms.
Support contains 1 out of 185 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 185/185 places, 366/366 transitions.
Graph (complete) has 650 edges and 185 vertex of which 183 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 33 rules applied. Total rules applied 34 place count 183 transition count 331
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 38 rules applied. Total rules applied 72 place count 151 transition count 325
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 75 place count 148 transition count 325
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 75 place count 148 transition count 313
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 99 place count 136 transition count 313
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 102 place count 133 transition count 307
Iterating global reduction 3 with 3 rules applied. Total rules applied 105 place count 133 transition count 307
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 34
Deduced a syphon composed of 34 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 3 with 70 rules applied. Total rules applied 175 place count 97 transition count 273
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 177 place count 97 transition count 271
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 187 place count 92 transition count 300
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 4 with 20 rules applied. Total rules applied 207 place count 92 transition count 280
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 209 place count 91 transition count 290
Free-agglomeration rule applied 6 times.
Iterating global reduction 4 with 6 rules applied. Total rules applied 215 place count 91 transition count 284
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 221 place count 85 transition count 284
Free-agglomeration rule (complex) applied 18 times.
Iterating global reduction 5 with 18 rules applied. Total rules applied 239 place count 85 transition count 488
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 5 with 72 rules applied. Total rules applied 311 place count 67 transition count 434
Applied a total of 311 rules in 78 ms. Remains 67 /185 variables (removed 118) and now considering 434/366 (removed -68) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 67/185 places, 434/366 transitions.
RANDOM walk for 8719 steps (1409 resets) in 116 ms. (74 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F p2), (F (NOT p0)), (F (NOT (OR p2 p0)))]
Knowledge based reduction with 8 factoid took 348 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 5 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 266 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 229 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
[2025-06-02 17:12:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 17:12:37] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-02 17:12:37] [INFO ] [Real]Absence check using 6 positive and 16 generalized place invariants in 30 ms returned sat
[2025-06-02 17:12:37] [INFO ] [Real]Absence check using state equation in 296 ms returned sat
[2025-06-02 17:12:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 17:12:37] [INFO ] [Nat]Absence check using 6 positive place invariants in 6 ms returned sat
[2025-06-02 17:12:37] [INFO ] [Nat]Absence check using 6 positive and 16 generalized place invariants in 18 ms returned sat
[2025-06-02 17:12:37] [INFO ] [Nat]Absence check using state equation in 263 ms returned sat
[2025-06-02 17:12:38] [INFO ] Computed and/alt/rep : 328/1209/328 causal constraints (skipped 37 transitions) in 48 ms.
[2025-06-02 17:12:39] [INFO ] Added : 178 causal constraints over 36 iterations in 1636 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 266 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 1 reset in 173 ms.
Product exploration explored 100000 steps with 1 reset in 192 ms.
Applying partial POR strategy [false, true, false, true, true]
Stuttering acceptance computed with spot in 263 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
Support contains 4 out of 185 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 185/185 places, 366/366 transitions.
Graph (complete) has 650 edges and 185 vertex of which 183 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 183 transition count 364
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 6 rules applied. Total rules applied 36 place count 183 transition count 361
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 36 place count 183 transition count 364
Deduced a syphon composed of 39 places in 0 ms
Iterating global reduction 2 with 7 rules applied. Total rules applied 43 place count 183 transition count 364
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 58 place count 168 transition count 346
Deduced a syphon composed of 27 places in 0 ms
Iterating global reduction 2 with 15 rules applied. Total rules applied 73 place count 168 transition count 346
Performed 39 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 66 places in 0 ms
Iterating global reduction 2 with 39 rules applied. Total rules applied 112 place count 168 transition count 354
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 128 place count 152 transition count 338
Deduced a syphon composed of 50 places in 1 ms
Iterating global reduction 2 with 16 rules applied. Total rules applied 144 place count 152 transition count 338
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 54 places in 0 ms
Iterating global reduction 2 with 4 rules applied. Total rules applied 148 place count 152 transition count 360
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 149 place count 151 transition count 358
Deduced a syphon composed of 53 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 150 place count 151 transition count 358
Deduced a syphon composed of 53 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 2 with 11 rules applied. Total rules applied 161 place count 151 transition count 347
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 54 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 162 place count 151 transition count 362
Deduced a syphon composed of 54 places in 0 ms
Applied a total of 162 rules in 77 ms. Remains 151 /185 variables (removed 34) and now considering 362/366 (removed 4) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 17:12:40] [INFO ] Redundant transitions in 75 ms returned []
Running 358 sub problems to find dead transitions.
[2025-06-02 17:12:40] [INFO ] Flow matrix only has 361 transitions (discarded 1 similar events)
// Phase 1: matrix 361 rows 151 cols
[2025-06-02 17:12:40] [INFO ] Computed 22 invariants in 4 ms
[2025-06-02 17:12:40] [INFO ] State equation strengthened by 144 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 358 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 358 unsolved
At refinement iteration 2 (OVERLAPS) 1/151 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 358 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:47] [INFO ] Deduced a trap composed of 4 places in 191 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:47] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 5 ms to minimize.
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:47] [INFO ] Deduced a trap composed of 12 places in 71 ms of which 7 ms to minimize.
Problem TDEAD18 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:48] [INFO ] Deduced a trap composed of 5 places in 95 ms of which 7 ms to minimize.
Problem TDEAD32 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:48] [INFO ] Deduced a trap composed of 10 places in 134 ms of which 12 ms to minimize.
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:48] [INFO ] Deduced a trap composed of 11 places in 118 ms of which 12 ms to minimize.
Problem TDEAD45 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:48] [INFO ] Deduced a trap composed of 4 places in 125 ms of which 9 ms to minimize.
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:48] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 4 ms to minimize.
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:48] [INFO ] Deduced a trap composed of 11 places in 53 ms of which 6 ms to minimize.
Problem TDEAD71 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:12:48] [INFO ] Deduced a trap composed of 4 places in 74 ms of which 6 ms to minimize.
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD267 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD335 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD345 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD355 is UNSAT
Problem TDEAD356 is UNSAT
Problem TDEAD357 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 10/32 constraints. Problems are: Problem set: 68 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/32 constraints. Problems are: Problem set: 68 solved, 290 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD303 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD305 is UNSAT
At refinement iteration 5 (OVERLAPS) 360/511 variables, 151/183 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/511 variables, 143/326 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/511 variables, 0/326 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 8 (OVERLAPS) 1/512 variables, 1/327 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 0/327 constraints. Problems are: Problem set: 76 solved, 282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 512/512 variables, and 327 constraints, problems are : Problem set: 76 solved, 282 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 151/151 constraints, ReadFeed: 144/144 constraints, PredecessorRefiner: 358/358 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 76 solved, 282 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 3/3 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 2 (OVERLAPS) 28/124 variables, 6/9 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 10/19 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/19 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 5 (OVERLAPS) 22/146 variables, 13/32 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/32 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 7 (OVERLAPS) 359/505 variables, 146/178 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/505 variables, 143/321 constraints. Problems are: Problem set: 76 solved, 282 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/505 variables, 282/603 constraints. Problems are: Problem set: 76 solved, 282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/512 variables, and 603 constraints, problems are : Problem set: 76 solved, 282 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 146/151 constraints, ReadFeed: 143/144 constraints, PredecessorRefiner: 282/358 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60353ms problems are : Problem set: 76 solved, 282 unsolved
Search for dead transitions found 76 dead transitions in 60355ms
Found 76 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 76 transitions
Dead transitions reduction (with SMT) removed 76 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 151/185 places, 286/366 transitions.
Graph (complete) has 558 edges and 151 vertex of which 97 are kept as prefixes of interest. Removing 54 places using SCC suffix rule.1 ms
Discarding 54 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 95 transition count 298
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 2 rules in 17 ms. Remains 95 /151 variables (removed 56) and now considering 298/286 (removed -12) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 95/185 places, 298/366 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60535 ms. Remains : 95/185 places, 298/366 transitions.
Built C files in :
/tmp/ltsmin17847310462147052736
[2025-06-02 17:13:41] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17847310462147052736
Running compilation step : cd /tmp/ltsmin17847310462147052736;'/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 1125 ms.
Running link step : cd /tmp/ltsmin17847310462147052736;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 63 ms.
Running LTSmin : cd /tmp/ltsmin17847310462147052736;'/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/stateBased10680057767173585767.hoa' '--buchi-type=spotba'
LTSmin run took 6928 ms.
FORMULA MedleyA-PT-19-LTLCardinality-08 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property MedleyA-PT-19-LTLCardinality-08 finished in 208637 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Graph (complete) has 686 edges and 196 vertex of which 194 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 30 rules applied. Total rules applied 31 place count 193 transition count 348
Reduce places removed 30 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 36 rules applied. Total rules applied 67 place count 163 transition count 342
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 70 place count 160 transition count 342
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 13 Pre rules applied. Total rules applied 70 place count 160 transition count 329
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 96 place count 147 transition count 329
Discarding 15 places :
Symmetric choice reduction at 3 with 15 rule applications. Total rules 111 place count 132 transition count 307
Iterating global reduction 3 with 15 rules applied. Total rules applied 126 place count 132 transition count 307
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 126 place count 132 transition count 306
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 128 place count 131 transition count 306
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Ensure Unique test removed 3 places
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 3 with 61 rules applied. Total rules applied 189 place count 99 transition count 277
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -40
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 201 place count 93 transition count 317
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 3 with 24 rules applied. Total rules applied 225 place count 93 transition count 293
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 226 place count 92 transition count 292
Applied a total of 226 rules in 55 ms. Remains 92 /196 variables (removed 104) and now considering 292/381 (removed 89) transitions.
[2025-06-02 17:13:49] [INFO ] Flow matrix only has 291 transitions (discarded 1 similar events)
// Phase 1: matrix 291 rows 92 cols
[2025-06-02 17:13:49] [INFO ] Computed 19 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:13:49] [INFO ] Implicit Places using invariants in 103 ms returned []
[2025-06-02 17:13:49] [INFO ] Flow matrix only has 291 transitions (discarded 1 similar events)
[2025-06-02 17:13:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:13:49] [INFO ] State equation strengthened by 136 read => feed constraints.
[2025-06-02 17:13:50] [INFO ] Implicit Places using invariants and state equation in 399 ms returned []
Implicit Place search using SMT with State Equation took 505 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 17:13:50] [INFO ] Redundant transitions in 58 ms returned []
Running 288 sub problems to find dead transitions.
[2025-06-02 17:13:50] [INFO ] Flow matrix only has 291 transitions (discarded 1 similar events)
[2025-06-02 17:13:50] [INFO ] Invariant cache hit.
[2025-06-02 17:13:50] [INFO ] State equation strengthened by 136 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 288 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:13:54] [INFO ] Deduced a trap composed of 7 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:13:54] [INFO ] Deduced a trap composed of 7 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:13:54] [INFO ] Deduced a trap composed of 10 places in 105 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:13:54] [INFO ] Deduced a trap composed of 10 places in 97 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 5 (OVERLAPS) 290/382 variables, 92/115 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/382 variables, 135/250 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/382 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 8 (OVERLAPS) 1/383 variables, 1/251 constraints. Problems are: Problem set: 0 solved, 288 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:14:09] [INFO ] Deduced a trap composed of 4 places in 109 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/383 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/383 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 11 (OVERLAPS) 0/383 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 288 unsolved
No progress, stopping.
After SMT solving in domain Real declared 383/383 variables, and 252 constraints, problems are : Problem set: 0 solved, 288 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 92/92 constraints, ReadFeed: 136/136 constraints, PredecessorRefiner: 288/288 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 288 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 6 (OVERLAPS) 290/382 variables, 92/116 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/382 variables, 135/251 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/382 variables, 288/539 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/382 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 10 (OVERLAPS) 1/383 variables, 1/540 constraints. Problems are: Problem set: 0 solved, 288 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 383/383 variables, and 540 constraints, problems are : Problem set: 0 solved, 288 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 92/92 constraints, ReadFeed: 136/136 constraints, PredecessorRefiner: 288/288 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60270ms problems are : Problem set: 0 solved, 288 unsolved
Search for dead transitions found 0 dead transitions in 60272ms
Starting structural reductions in SI_LTL mode, iteration 1 : 92/196 places, 292/381 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60902 ms. Remains : 92/196 places, 292/381 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-10
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 1 ms.
FORMULA MedleyA-PT-19-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-19-LTLCardinality-10 finished in 60968 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(X(p1)))&&F(p0))))'
Support contains 4 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 185 transition count 366
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 185 transition count 366
Applied a total of 22 rules in 4 ms. Remains 185 /196 variables (removed 11) and now considering 366/381 (removed 15) transitions.
// Phase 1: matrix 366 rows 185 cols
[2025-06-02 17:14:50] [INFO ] Computed 22 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:14:50] [INFO ] Implicit Places using invariants in 157 ms returned []
[2025-06-02 17:14:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:14:50] [INFO ] Implicit Places using invariants and state equation in 299 ms returned []
Implicit Place search using SMT with State Equation took 479 ms to find 0 implicit places.
Running 365 sub problems to find dead transitions.
[2025-06-02 17:14:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 2 (OVERLAPS) 1/185 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:14:58] [INFO ] Deduced a trap composed of 25 places in 212 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:14:59] [INFO ] Deduced a trap composed of 25 places in 167 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:14:59] [INFO ] Deduced a trap composed of 35 places in 171 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:14:59] [INFO ] Deduced a trap composed of 35 places in 258 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:00] [INFO ] Deduced a trap composed of 16 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:00] [INFO ] Deduced a trap composed of 18 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:00] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:00] [INFO ] Deduced a trap composed of 18 places in 69 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 5 (OVERLAPS) 366/551 variables, 185/215 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:09] [INFO ] Deduced a trap composed of 13 places in 293 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:10] [INFO ] Deduced a trap composed of 23 places in 130 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:10] [INFO ] Deduced a trap composed of 14 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:10] [INFO ] Deduced a trap composed of 24 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 17:15:11] [INFO ] Deduced a trap composed of 14 places in 122 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:11] [INFO ] Deduced a trap composed of 24 places in 95 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/551 variables, 6/221 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s180 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 551/551 variables, and 221 constraints, problems are : Problem set: 0 solved, 365 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 365/365 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 2 (OVERLAPS) 1/185 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 5 (OVERLAPS) 366/551 variables, 185/221 constraints. Problems are: Problem set: 0 solved, 365 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/551 variables, 365/586 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:35] [INFO ] Deduced a trap composed of 40 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:37] [INFO ] Deduced a trap composed of 21 places in 229 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:38] [INFO ] Deduced a trap composed of 24 places in 125 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:39] [INFO ] Deduced a trap composed of 24 places in 118 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:40] [INFO ] Deduced a trap composed of 34 places in 151 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:42] [INFO ] Deduced a trap composed of 15 places in 88 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/551 variables, 6/592 constraints. Problems are: Problem set: 0 solved, 365 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 551/551 variables, and 592 constraints, problems are : Problem set: 0 solved, 365 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 185/185 constraints, PredecessorRefiner: 365/365 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60245ms problems are : Problem set: 0 solved, 365 unsolved
Search for dead transitions found 0 dead transitions in 60247ms
Starting structural reductions in LTL mode, iteration 1 : 185/196 places, 366/381 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60731 ms. Remains : 185/196 places, 366/381 transitions.
Stuttering acceptance computed with spot in 368 ms :[(OR (NOT p1) (NOT p0)), (NOT p1), (NOT p0), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-13
Product exploration explored 100000 steps with 33333 reset in 297 ms.
Product exploration explored 100000 steps with 33333 reset in 247 ms.
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 650 edges and 185 vertex of which 183 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Computed a total of 19 stabilizing places and 19 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 14 ms. Reduced automaton from 7 states, 15 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-19-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-19-LTLCardinality-13 finished in 61684 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)||(p1&&F(p0)))))'
Support contains 4 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 186 transition count 367
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 186 transition count 367
Applied a total of 20 rules in 4 ms. Remains 186 /196 variables (removed 10) and now considering 367/381 (removed 14) transitions.
// Phase 1: matrix 367 rows 186 cols
[2025-06-02 17:15:52] [INFO ] Computed 22 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:15:52] [INFO ] Implicit Places using invariants in 161 ms returned []
[2025-06-02 17:15:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:15:52] [INFO ] Implicit Places using invariants and state equation in 339 ms returned []
Implicit Place search using SMT with State Equation took 505 ms to find 0 implicit places.
Running 366 sub problems to find dead transitions.
[2025-06-02 17:15:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 366 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:58] [INFO ] Deduced a trap composed of 27 places in 114 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:58] [INFO ] Deduced a trap composed of 27 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:58] [INFO ] Deduced a trap composed of 35 places in 108 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:58] [INFO ] Deduced a trap composed of 35 places in 89 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:58] [INFO ] Deduced a trap composed of 17 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:58] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:58] [INFO ] Deduced a trap composed of 31 places in 155 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:59] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:59] [INFO ] Deduced a trap composed of 18 places in 68 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:59] [INFO ] Deduced a trap composed of 16 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:15:59] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 11/33 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 5 (OVERLAPS) 367/553 variables, 186/219 constraints. Problems are: Problem set: 0 solved, 366 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:06] [INFO ] Deduced a trap composed of 14 places in 266 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:07] [INFO ] Deduced a trap composed of 15 places in 295 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:07] [INFO ] Deduced a trap composed of 23 places in 114 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:08] [INFO ] Deduced a trap composed of 14 places in 166 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:08] [INFO ] Deduced a trap composed of 24 places in 112 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:09] [INFO ] Deduced a trap composed of 24 places in 115 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 6/225 constraints. Problems are: Problem set: 0 solved, 366 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:22] [INFO ] Deduced a trap along path composed of 2 places in 51 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((t0 0.0)
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(t165 (/ 3.0 2.0))
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(t179 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/553 variables, and 226 constraints, problems are : Problem set: 0 solved, 366 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 186/186 constraints, PredecessorRefiner: 366/366 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 366 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 2 (OVERLAPS) 1/186 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 17/39 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 5 (OVERLAPS) 367/553 variables, 186/225 constraints. Problems are: Problem set: 0 solved, 366 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 366/591 constraints. Problems are: Problem set: 0 solved, 366 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:32] [INFO ] Deduced a trap composed of 40 places in 292 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:33] [INFO ] Deduced a trap composed of 53 places in 226 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:33] [INFO ] Deduced a trap composed of 75 places in 238 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:36] [INFO ] Deduced a trap composed of 18 places in 161 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:38] [INFO ] Deduced a trap composed of 24 places in 228 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:39] [INFO ] Deduced a trap composed of 24 places in 230 ms of which 25 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/553 variables, 6/597 constraints. Problems are: Problem set: 0 solved, 366 unsolved
SMT process timed out in 60279ms, After SMT, problems are : Problem set: 0 solved, 366 unsolved
Search for dead transitions found 0 dead transitions in 60283ms
Starting structural reductions in LTL mode, iteration 1 : 186/196 places, 367/381 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60794 ms. Remains : 186/196 places, 367/381 transitions.
Stuttering acceptance computed with spot in 197 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-14
Product exploration explored 100000 steps with 50000 reset in 118 ms.
Product exploration explored 100000 steps with 50000 reset in 125 ms.
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 654 edges and 186 vertex of which 184 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.15 ms
Computed a total of 19 stabilizing places and 19 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 30 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA MedleyA-PT-19-LTLCardinality-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MedleyA-PT-19-LTLCardinality-14 finished in 61309 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 196 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 196/196 places, 381/381 transitions.
Graph (complete) has 686 edges and 196 vertex of which 194 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 29 transitions
Trivial Post-agglo rules discarded 29 transitions
Performed 29 trivial Post agglomeration. Transition count delta: 29
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 193 transition count 349
Reduce places removed 29 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 35 rules applied. Total rules applied 65 place count 164 transition count 343
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 4 rules applied. Total rules applied 69 place count 161 transition count 342
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 70 place count 160 transition count 342
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 13 Pre rules applied. Total rules applied 70 place count 160 transition count 329
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 96 place count 147 transition count 329
Discarding 15 places :
Symmetric choice reduction at 4 with 15 rule applications. Total rules 111 place count 132 transition count 307
Iterating global reduction 4 with 15 rules applied. Total rules applied 126 place count 132 transition count 307
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 126 place count 132 transition count 306
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 128 place count 131 transition count 306
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Ensure Unique test removed 3 places
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 4 with 63 rules applied. Total rules applied 191 place count 98 transition count 276
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 203 place count 92 transition count 316
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 4 with 24 rules applied. Total rules applied 227 place count 92 transition count 292
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 228 place count 91 transition count 291
Applied a total of 228 rules in 71 ms. Remains 91 /196 variables (removed 105) and now considering 291/381 (removed 90) transitions.
[2025-06-02 17:16:53] [INFO ] Flow matrix only has 290 transitions (discarded 1 similar events)
// Phase 1: matrix 290 rows 91 cols
[2025-06-02 17:16:53] [INFO ] Computed 19 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:16:53] [INFO ] Implicit Places using invariants in 219 ms returned []
[2025-06-02 17:16:53] [INFO ] Flow matrix only has 290 transitions (discarded 1 similar events)
[2025-06-02 17:16:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 17:16:54] [INFO ] State equation strengthened by 136 read => feed constraints.
[2025-06-02 17:16:54] [INFO ] Implicit Places using invariants and state equation in 669 ms returned []
Implicit Place search using SMT with State Equation took 890 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 17:16:54] [INFO ] Redundant transitions in 64 ms returned []
Running 287 sub problems to find dead transitions.
[2025-06-02 17:16:54] [INFO ] Flow matrix only has 290 transitions (discarded 1 similar events)
[2025-06-02 17:16:54] [INFO ] Invariant cache hit.
[2025-06-02 17:16:54] [INFO ] State equation strengthened by 136 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 287 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:16:58] [INFO ] Deduced a trap composed of 10 places in 87 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (OVERLAPS) 289/380 variables, 91/111 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/380 variables, 135/246 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/380 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 8 (OVERLAPS) 1/381 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 287 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 17:17:12] [INFO ] Deduced a trap composed of 9 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 17:17:12] [INFO ] Deduced a trap composed of 22 places in 70 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 2/249 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 11 (OVERLAPS) 0/381 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 287 unsolved
No progress, stopping.
After SMT solving in domain Real declared 381/381 variables, and 249 constraints, problems are : Problem set: 0 solved, 287 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 91/91 constraints, ReadFeed: 136/136 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 287 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 6 (OVERLAPS) 289/380 variables, 91/113 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/380 variables, 135/248 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/380 variables, 287/535 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/380 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 287 unsolved
At refinement iteration 10 (OVERLAPS) 1/381 variables, 1/536 constraints. Problems are: Problem set: 0 solved, 287 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 381/381 variables, and 536 constraints, problems are : Problem set: 0 solved, 287 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 91/91 constraints, ReadFeed: 136/136 constraints, PredecessorRefiner: 287/287 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60316ms problems are : Problem set: 0 solved, 287 unsolved
Search for dead transitions found 0 dead transitions in 60317ms
Starting structural reductions in SI_LTL mode, iteration 1 : 91/196 places, 291/381 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61358 ms. Remains : 91/196 places, 291/381 transitions.
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : MedleyA-PT-19-LTLCardinality-15
Product exploration explored 100000 steps with 24 reset in 80 ms.
Stuttering criterion allowed to conclude after 9 steps with 0 reset in 1 ms.
FORMULA MedleyA-PT-19-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyA-PT-19-LTLCardinality-15 finished in 61553 ms.
All properties solved by simple procedures.
Total runtime 919072 ms.
BK_STOP 1748884675012
--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination 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-19"
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-19, 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-174876524200243"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-19.tgz
mv MedleyA-PT-19 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 '
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 ;