About the Execution of ITS-Tools for DES-PT-50a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1697324.00 | 0.00 | 0.00 | FFFFFTFFFFFFFTTT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064000347.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 DES-PT-50a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064000347
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 97K 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 DES-PT-50a-LTLCardinality-00
FORMULA_NAME DES-PT-50a-LTLCardinality-01
FORMULA_NAME DES-PT-50a-LTLCardinality-02
FORMULA_NAME DES-PT-50a-LTLCardinality-03
FORMULA_NAME DES-PT-50a-LTLCardinality-04
FORMULA_NAME DES-PT-50a-LTLCardinality-05
FORMULA_NAME DES-PT-50a-LTLCardinality-06
FORMULA_NAME DES-PT-50a-LTLCardinality-07
FORMULA_NAME DES-PT-50a-LTLCardinality-08
FORMULA_NAME DES-PT-50a-LTLCardinality-09
FORMULA_NAME DES-PT-50a-LTLCardinality-10
FORMULA_NAME DES-PT-50a-LTLCardinality-11
FORMULA_NAME DES-PT-50a-LTLCardinality-12
FORMULA_NAME DES-PT-50a-LTLCardinality-13
FORMULA_NAME DES-PT-50a-LTLCardinality-14
FORMULA_NAME DES-PT-50a-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748739848875
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-50a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-01 01:04:11] [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]
[2025-06-01 01:04:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 01:04:11] [INFO ] Load time of PNML (sax parser for PT used): 134 ms
[2025-06-01 01:04:11] [INFO ] Transformed 314 places.
[2025-06-01 01:04:11] [INFO ] Transformed 271 transitions.
[2025-06-01 01:04:11] [INFO ] Found NUPN structural information;
[2025-06-01 01:04:11] [INFO ] Parsed PT model containing 314 places and 271 transitions and 1306 arcs in 293 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA DES-PT-50a-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 42 out of 314 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 314/314 places, 257/257 transitions.
Applied a total of 0 rules in 97 ms. Remains 314 /314 variables (removed 0) and now considering 257/257 (removed 0) transitions.
// Phase 1: matrix 257 rows 314 cols
[2025-06-01 01:04:11] [INFO ] Computed 59 invariants in 35 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:04:13] [INFO ] Implicit Places using invariants in 2067 ms returned [211]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 2174 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 313/314 places, 257/257 transitions.
Applied a total of 0 rules in 25 ms. Remains 313 /313 variables (removed 0) and now considering 257/257 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2332 ms. Remains : 313/314 places, 257/257 transitions.
Support contains 42 out of 313 places after structural reductions.
[2025-06-01 01:04:14] [INFO ] Flatten gal took : 130 ms
[2025-06-01 01:04:14] [INFO ] Flatten gal took : 63 ms
[2025-06-01 01:04:14] [INFO ] Input system was already deterministic with 257 transitions.
Reduction of identical properties reduced properties to check from 23 to 22
RANDOM walk for 40000 steps (890 resets) in 2446 ms. (16 steps per ms) remains 11/22 properties
BEST_FIRST walk for 40002 steps (187 resets) in 502 ms. (79 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (184 resets) in 380 ms. (104 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (182 resets) in 332 ms. (120 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (176 resets) in 329 ms. (121 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (159 resets) in 167 ms. (238 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40001 steps (191 resets) in 173 ms. (229 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (191 resets) in 174 ms. (228 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (183 resets) in 134 ms. (296 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (209 resets) in 232 ms. (171 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (188 resets) in 165 ms. (240 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (198 resets) in 185 ms. (215 steps per ms) remains 11/11 properties
// Phase 1: matrix 257 rows 313 cols
[2025-06-01 01:04:16] [INFO ] Computed 58 invariants in 16 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 11/30 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 66/96 variables, 31/63 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 66/129 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/96 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 164/260 variables, 22/152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/260 variables, 164/316 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/260 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 6/266 variables, 2/318 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 6/324 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (OVERLAPS) 256/522 variables, 266/590 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/522 variables, 0/590 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 48/570 variables, 47/637 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/570 variables, 47/684 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 570/570 variables, and 684 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5012 ms.
Refiners :[Domain max(s): 313/313 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 11/30 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 66/96 variables, 31/63 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 66/129 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/96 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 164/260 variables, 22/152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/260 variables, 164/316 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:22] [INFO ] Deduced a trap composed of 9 places in 142 ms of which 16 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/260 variables, 1/317 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:22] [INFO ] Deduced a trap composed of 10 places in 111 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:22] [INFO ] Deduced a trap composed of 9 places in 92 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/260 variables, 2/319 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 6/266 variables, 2/321 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 6/327 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 256/522 variables, 266/593 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/522 variables, 4/597 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 522/570 variables, and 597 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5010 ms.
Refiners :[Domain max(s): 266/313 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 266/313 constraints, PredecessorRefiner: 4/11 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10082ms problems are : Problem set: 0 solved, 11 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 19 out of 313 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 313/313 places, 257/257 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 313 transition count 255
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 312 transition count 254
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 312 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 10 place count 312 transition count 254
Applied a total of 10 rules in 120 ms. Remains 312 /313 variables (removed 1) and now considering 254/257 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 120 ms. Remains : 312/313 places, 254/257 transitions.
RANDOM walk for 40000 steps (535 resets) in 1229 ms. (32 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (90 resets) in 224 ms. (177 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (85 resets) in 181 ms. (219 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (89 resets) in 249 ms. (160 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (86 resets) in 185 ms. (215 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (91 resets) in 168 ms. (236 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (93 resets) in 98 ms. (404 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (88 resets) in 129 ms. (307 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (87 resets) in 122 ms. (325 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (79 resets) in 105 ms. (377 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (84 resets) in 76 ms. (519 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (92 resets) in 80 ms. (493 steps per ms) remains 11/11 properties
Interrupted probabilistic random walk after 455520 steps, run timeout after 3001 ms. (steps per millisecond=151 ) properties seen :0 out of 11
Probabilistic random walk after 455520 steps, saw 65979 distinct states, run finished after 3009 ms. (steps per millisecond=151 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:04:30] [INFO ] Computed 60 invariants in 9 ms
[2025-06-01 01:04:30] [INFO ] State equation strengthened by 3 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) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 10/29 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 72/101 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 167/268 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 254/522 variables, 268/328 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/522 variables, 3/331 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/522 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 44/566 variables, 44/375 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:33] [INFO ] Deduced a trap composed of 6 places in 39 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 1/376 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:35] [INFO ] Deduced a trap composed of 8 places in 104 ms of which 8 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:36] [INFO ] Deduced a trap composed of 12 places in 158 ms of which 15 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 11 unsolved in 11802 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 10/29 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 72/101 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 167/268 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/268 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 254/522 variables, 268/331 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/522 variables, 3/334 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/522 variables, 4/338 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:44] [INFO ] Deduced a trap composed of 7 places in 138 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:44] [INFO ] Deduced a trap composed of 8 places in 110 ms of which 7 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/522 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:04:45] [INFO ] Deduced a trap composed of 11 places in 172 ms of which 10 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 1/341 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (OVERLAPS) 44/566 variables, 44/385 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 7/392 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/566 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (OVERLAPS) 0/566 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 392 constraints, problems are : Problem set: 0 solved, 11 unsolved in 15193 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27038ms problems are : Problem set: 0 solved, 11 unsolved
Parikh walk visited 0 properties in 31407 ms.
Support contains 19 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 33 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 20 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:05:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:05:29] [INFO ] Implicit Places using invariants in 348 ms returned []
[2025-06-01 01:05:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:05:29] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 01:05:30] [INFO ] Implicit Places using invariants and state equation in 1159 ms returned []
Implicit Place search using SMT with State Equation took 1516 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:05:30] [INFO ] Redundant transitions in 21 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:05:30] [INFO ] Invariant cache hit.
[2025-06-01 01:05:30] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:05:44] [INFO ] Deduced a trap composed of 12 places in 144 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:05:48] [INFO ] Deduced a trap composed of 7 places in 86 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:06:04] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:06:06] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:06:09] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:06:09] [INFO ] Deduced a trap composed of 8 places in 60 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/312 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (OVERLAPS) 254/566 variables, 312/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 3/381 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/566 variables, 253/634 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 634 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60403ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60409ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61982 ms. Remains : 312/312 places, 254/254 transitions.
FORMULA DES-PT-50a-LTLCardinality-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 216 stabilizing places and 211 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F((p0||X(p1)))&&G(p2)))))'
Support contains 6 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 312 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 312 transition count 256
Applied a total of 2 rules in 12 ms. Remains 312 /313 variables (removed 1) and now considering 256/257 (removed 1) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:06:31] [INFO ] Computed 58 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:06:31] [INFO ] Implicit Places using invariants in 292 ms returned []
[2025-06-01 01:06:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:06:32] [INFO ] Implicit Places using invariants and state equation in 1052 ms returned []
Implicit Place search using SMT with State Equation took 1349 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:06:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:06:36] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:06:51] [INFO ] Deduced a trap composed of 9 places in 103 ms of which 5 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:07:07] [INFO ] Deduced a trap composed of 10 places in 68 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60181ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60183ms
Starting structural reductions in LTL mode, iteration 1 : 312/313 places, 256/257 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61548 ms. Remains : 312/313 places, 256/257 transitions.
Stuttering acceptance computed with spot in 550 ms :[(NOT p2), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), true]
Running random walk in product with property : DES-PT-50a-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA DES-PT-50a-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLCardinality-00 finished in 62205 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((X(p1)&&p0))))'
Support contains 8 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 312 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 312 transition count 256
Applied a total of 2 rules in 11 ms. Remains 312 /313 variables (removed 1) and now considering 256/257 (removed 1) transitions.
[2025-06-01 01:07:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:07:34] [INFO ] Implicit Places using invariants in 487 ms returned []
[2025-06-01 01:07:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:07:35] [INFO ] Implicit Places using invariants and state equation in 1103 ms returned []
Implicit Place search using SMT with State Equation took 1594 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:07:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:07:39] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:07:56] [INFO ] Deduced a trap composed of 9 places in 166 ms of which 8 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:08:10] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60239ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60241ms
Starting structural reductions in LTL mode, iteration 1 : 312/313 places, 256/257 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61848 ms. Remains : 312/313 places, 256/257 transitions.
Stuttering acceptance computed with spot in 171 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DES-PT-50a-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA DES-PT-50a-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLCardinality-03 finished in 62045 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 312 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 312 transition count 256
Applied a total of 2 rules in 34 ms. Remains 312 /313 variables (removed 1) and now considering 256/257 (removed 1) transitions.
[2025-06-01 01:08:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:08:36] [INFO ] Implicit Places using invariants in 614 ms returned []
[2025-06-01 01:08:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:08:37] [INFO ] Implicit Places using invariants and state equation in 1049 ms returned []
Implicit Place search using SMT with State Equation took 1691 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:08:37] [INFO ] Redundant transitions in 17 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:08:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:08:41] [INFO ] Deduced a trap composed of 12 places in 94 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:08:56] [INFO ] Deduced a trap composed of 9 places in 157 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:09:12] [INFO ] Deduced a trap composed of 10 places in 63 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60184ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60185ms
Starting structural reductions in SI_LTL mode, iteration 1 : 312/313 places, 256/257 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61957 ms. Remains : 312/313 places, 256/257 transitions.
Stuttering acceptance computed with spot in 177 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DES-PT-50a-LTLCardinality-04
Product exploration explored 100000 steps with 4467 reset in 471 ms.
Product exploration explored 100000 steps with 4473 reset in 419 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 131 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (881 resets) in 166 ms. (239 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (182 resets) in 200 ms. (199 steps per ms) remains 1/1 properties
[2025-06-01 01:09:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/185 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/238 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/260 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 353 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/185 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/238 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/260 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/568 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 700 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1070ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 153 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 312 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 312 transition count 254
Applied a total of 8 rules in 48 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (539 resets) in 207 ms. (192 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 805262 steps, run timeout after 3001 ms. (steps per millisecond=268 ) properties seen :0 out of 1
Probabilistic random walk after 805262 steps, saw 115090 distinct states, run finished after 3001 ms. (steps per millisecond=268 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:09:43] [INFO ] Computed 60 invariants in 8 ms
[2025-06-01 01:09:43] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 184/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/245 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/263 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/517 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/517 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/566 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 443 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 184/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/245 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/263 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/517 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/517 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:09:44] [INFO ] Deduced a trap composed of 16 places in 139 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:09:44] [INFO ] Deduced a trap composed of 8 places in 155 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:09:44] [INFO ] Deduced a trap composed of 17 places in 144 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:09:44] [INFO ] Deduced a trap composed of 18 places in 109 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 4/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/517 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 49/566 variables, 49/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1629 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2089ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 97 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 12 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 12 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:09:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:09:45] [INFO ] Implicit Places using invariants in 349 ms returned []
[2025-06-01 01:09:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:09:46] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 01:09:47] [INFO ] Implicit Places using invariants and state equation in 1025 ms returned []
Implicit Place search using SMT with State Equation took 1377 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:09:47] [INFO ] Redundant transitions in 2 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:09:47] [INFO ] Invariant cache hit.
[2025-06-01 01:09:47] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:09:58] [INFO ] Deduced a trap composed of 12 places in 187 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:10:02] [INFO ] Deduced a trap composed of 7 places in 131 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:10:14] [INFO ] Deduced a trap composed of 8 places in 88 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:10:19] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:10:19] [INFO ] Deduced a trap composed of 11 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:10:21] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 3/381 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/634 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 634 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60147ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60151ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61551 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 312 transition count 254
Applied a total of 1 rules in 22 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:10:47] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:10:47] [INFO ] After 126ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:10:47] [INFO ] [Nat]Absence check using 35 positive place invariants in 19 ms returned sat
[2025-06-01 01:10:47] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 47 ms returned sat
[2025-06-01 01:10:48] [INFO ] After 529ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 01:10:48] [INFO ] After 634ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 01:10:48] [INFO ] After 1050ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 1239 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 160 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:10:48] [INFO ] Computed 58 invariants in 6 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 01:10:49] [INFO ] [Real]Absence check using 33 positive place invariants in 24 ms returned sat
[2025-06-01 01:10:49] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 181 ms returned sat
[2025-06-01 01:11:02] [INFO ] [Real]Absence check using state equation in 12737 ms returned sat
[2025-06-01 01:11:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 01:11:02] [INFO ] [Nat]Absence check using 33 positive place invariants in 15 ms returned sat
[2025-06-01 01:11:02] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 32 ms returned sat
[2025-06-01 01:11:09] [INFO ] [Nat]Absence check using state equation in 7150 ms returned sat
[2025-06-01 01:11:09] [INFO ] Computed and/alt/rep : 248/744/248 causal constraints (skipped 7 transitions) in 34 ms.
[2025-06-01 01:11:13] [INFO ] Added : 114 causal constraints over 23 iterations in 3343 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 5 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 29 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:11:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:11:13] [INFO ] Implicit Places using invariants in 362 ms returned []
[2025-06-01 01:11:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:11:14] [INFO ] Implicit Places using invariants and state equation in 1154 ms returned []
Implicit Place search using SMT with State Equation took 1519 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:11:14] [INFO ] Redundant transitions in 2 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:11:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:11:18] [INFO ] Deduced a trap composed of 12 places in 80 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:11:34] [INFO ] Deduced a trap composed of 9 places in 114 ms of which 7 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:11:50] [INFO ] Deduced a trap composed of 10 places in 77 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60176ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60178ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61735 ms. Remains : 312/312 places, 256/256 transitions.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 103 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (875 resets) in 143 ms. (277 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (178 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
[2025-06-01 01:12:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/185 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/238 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/260 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 433 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/185 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/185 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/238 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/260 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/568 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 916 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1360ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 90 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 312 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 312 transition count 254
Applied a total of 8 rules in 25 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (522 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (84 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1079507 steps, run timeout after 3001 ms. (steps per millisecond=359 ) properties seen :0 out of 1
Probabilistic random walk after 1079507 steps, saw 151393 distinct states, run finished after 3002 ms. (steps per millisecond=359 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:12:19] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 01:12:19] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 184/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/245 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/263 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/517 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/517 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 49/566 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 445 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 184/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/245 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/263 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/517 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/517 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:20] [INFO ] Deduced a trap composed of 16 places in 116 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:20] [INFO ] Deduced a trap composed of 8 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:21] [INFO ] Deduced a trap composed of 17 places in 139 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:21] [INFO ] Deduced a trap composed of 18 places in 130 ms of which 11 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 4/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/517 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 49/566 variables, 49/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 380 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1303 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1763ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 95 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 11 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 10 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:12:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:12:22] [INFO ] Implicit Places using invariants in 345 ms returned []
[2025-06-01 01:12:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:12:22] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 01:12:23] [INFO ] Implicit Places using invariants and state equation in 956 ms returned []
Implicit Place search using SMT with State Equation took 1304 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:12:23] [INFO ] Redundant transitions in 1 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:12:23] [INFO ] Invariant cache hit.
[2025-06-01 01:12:23] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:33] [INFO ] Deduced a trap composed of 12 places in 231 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:36] [INFO ] Deduced a trap composed of 7 places in 128 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:49] [INFO ] Deduced a trap composed of 8 places in 113 ms of which 9 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:56] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:56] [INFO ] Deduced a trap composed of 11 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:12:58] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 3/381 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/634 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 634 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60134ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61460 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 312 transition count 254
Applied a total of 1 rules in 24 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:13:23] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:13:23] [INFO ] After 77ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:13:23] [INFO ] [Nat]Absence check using 35 positive place invariants in 13 ms returned sat
[2025-06-01 01:13:23] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 36 ms returned sat
[2025-06-01 01:13:23] [INFO ] After 399ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 01:13:23] [INFO ] After 472ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 01:13:24] [INFO ] After 746ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 858 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X p1), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 124 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 117 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:13:24] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 01:13:24] [INFO ] [Real]Absence check using 33 positive place invariants in 16 ms returned sat
[2025-06-01 01:13:24] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 179 ms returned sat
[2025-06-01 01:13:37] [INFO ] [Real]Absence check using state equation in 12527 ms returned sat
[2025-06-01 01:13:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-01 01:13:37] [INFO ] [Nat]Absence check using 33 positive place invariants in 18 ms returned sat
[2025-06-01 01:13:37] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 37 ms returned sat
[2025-06-01 01:13:44] [INFO ] [Nat]Absence check using state equation in 7061 ms returned sat
[2025-06-01 01:13:44] [INFO ] Computed and/alt/rep : 248/744/248 causal constraints (skipped 7 transitions) in 24 ms.
[2025-06-01 01:13:48] [INFO ] Added : 114 causal constraints over 23 iterations in 3156 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 140 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 4453 reset in 282 ms.
Product exploration explored 100000 steps with 4478 reset in 316 ms.
Built C files in :
/tmp/ltsmin2875142815019184304
[2025-06-01 01:13:48] [INFO ] Computing symmetric may disable matrix : 256 transitions.
[2025-06-01 01:13:48] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:13:48] [INFO ] Computing symmetric may enable matrix : 256 transitions.
[2025-06-01 01:13:48] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:13:48] [INFO ] Computing Do-Not-Accords matrix : 256 transitions.
[2025-06-01 01:13:48] [INFO ] Computation of Completed DNA matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:13:48] [INFO ] Built C files in 76ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2875142815019184304
Running compilation step : cd /tmp/ltsmin2875142815019184304;'/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 1147 ms.
Running link step : cd /tmp/ltsmin2875142815019184304;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 84 ms.
Running LTSmin : cd /tmp/ltsmin2875142815019184304;'/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/stateBased10886611424817437313.hoa' '--buchi-type=spotba'
LTSmin run took 6999 ms.
FORMULA DES-PT-50a-LTLCardinality-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-50a-LTLCardinality-04 finished in 321576 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)&&F(p1)))'
Support contains 3 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 311 transition count 255
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 311 transition count 255
Applied a total of 2 rules in 20 ms. Remains 311 /313 variables (removed 2) and now considering 255/257 (removed 2) transitions.
// Phase 1: matrix 255 rows 311 cols
[2025-06-01 01:13:57] [INFO ] Computed 58 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:13:57] [INFO ] Implicit Places using invariants in 374 ms returned []
[2025-06-01 01:13:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:13:58] [INFO ] Implicit Places using invariants and state equation in 727 ms returned []
Implicit Place search using SMT with State Equation took 1103 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:13:58] [INFO ] Redundant transitions in 3 ms returned []
Running 252 sub problems to find dead transitions.
[2025-06-01 01:13:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 3 (OVERLAPS) 2/310 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 5 (OVERLAPS) 255/565 variables, 310/368 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:11] [INFO ] Deduced a trap composed of 9 places in 150 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:11] [INFO ] Deduced a trap composed of 9 places in 132 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:12] [INFO ] Deduced a trap composed of 8 places in 134 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 3/371 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:16] [INFO ] Deduced a trap composed of 10 places in 201 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:17] [INFO ] Deduced a trap composed of 11 places in 210 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:18] [INFO ] Deduced a trap composed of 12 places in 124 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 3/374 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:23] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:14:23] [INFO ] Deduced a trap composed of 11 places in 55 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/565 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 565/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 252 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 252/252 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 6 (OVERLAPS) 255/565 variables, 310/376 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 252/628 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 565/566 variables, and 628 constraints, problems are : Problem set: 0 solved, 252 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 252/252 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60191ms problems are : Problem set: 0 solved, 252 unsolved
Search for dead transitions found 0 dead transitions in 60192ms
Starting structural reductions in SI_LTL mode, iteration 1 : 311/313 places, 255/257 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61327 ms. Remains : 311/313 places, 255/257 transitions.
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DES-PT-50a-LTLCardinality-08
Product exploration explored 100000 steps with 2258 reset in 318 ms.
Product exploration explored 100000 steps with 2301 reset in 312 ms.
Computed a total of 214 stabilizing places and 209 stable transitions
Computed a total of 214 stabilizing places and 209 stable transitions
Detected a total of 214/311 stabilizing places and 209/255 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 166 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (880 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (182 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 983267 steps, run timeout after 3001 ms. (steps per millisecond=327 ) properties seen :0 out of 1
Probabilistic random walk after 983267 steps, saw 140575 distinct states, run finished after 3001 ms. (steps per millisecond=327 ) properties seen :0
[2025-06-01 01:15:02] [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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/214 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/243 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 199/449 variables, 250/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/449 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/463 variables, 8/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/463 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/463 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 53/516 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/516 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/516 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 50/566 variables, 50/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/566 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/566 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 369 constraints, problems are : Problem set: 0 solved, 1 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/214 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:03] [INFO ] Deduced a trap composed of 8 places in 106 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 29/243 variables, 18/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 199/449 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/449 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/449 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/463 variables, 8/314 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/463 variables, 3/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/463 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 53/516 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/516 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/516 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 50/566 variables, 50/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/566 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/566 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 749 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1162ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 741 ms.
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 255/255 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 311 transition count 253
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 311 transition count 253
Applied a total of 4 rules in 18 ms. Remains 311 /311 variables (removed 0) and now considering 253/255 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 311/311 places, 253/255 transitions.
RANDOM walk for 40000 steps (652 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (113 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1146785 steps, run timeout after 3001 ms. (steps per millisecond=382 ) properties seen :0 out of 1
Probabilistic random walk after 1146785 steps, saw 161011 distinct states, run finished after 3004 ms. (steps per millisecond=381 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:15:07] [INFO ] Computed 60 invariants in 3 ms
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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 185/186 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/219 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 198/448 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/448 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/462 variables, 8/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 3/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/463 variables, 1/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/463 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 52/515 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/515 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 49/564 variables, 49/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/564 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/564 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 185/186 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/219 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 198/448 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/448 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/448 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/462 variables, 8/314 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:08] [INFO ] Deduced a trap composed of 5 places in 45 ms of which 3 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 823 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1167ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 691 ms.
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 7 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-06-01 01:15:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:15:09] [INFO ] Implicit Places using invariants in 485 ms returned []
[2025-06-01 01:15:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:15:10] [INFO ] Implicit Places using invariants and state equation in 881 ms returned []
Implicit Place search using SMT with State Equation took 1369 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:15:10] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2025-06-01 01:15:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:21] [INFO ] Deduced a trap composed of 5 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:21] [INFO ] Deduced a trap composed of 8 places in 147 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:27] [INFO ] Deduced a trap composed of 13 places in 120 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:28] [INFO ] Deduced a trap composed of 13 places in 174 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:28] [INFO ] Deduced a trap composed of 14 places in 173 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:29] [INFO ] Deduced a trap composed of 9 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:15:29] [INFO ] Deduced a trap composed of 11 places in 83 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 5/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (OVERLAPS) 1/564 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 564/564 variables, and 378 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 8/66 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (OVERLAPS) 253/563 variables, 310/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 250/627 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 627 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60173ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60174ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61562 ms. Remains : 311/311 places, 253/253 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 311 transition count 253
Applied a total of 1 rules in 16 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:16:10] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:16:11] [INFO ] After 99ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:16:11] [INFO ] [Nat]Absence check using 35 positive place invariants in 35 ms returned sat
[2025-06-01 01:16:11] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 38 ms returned sat
[2025-06-01 01:16:11] [INFO ] After 309ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 01:16:11] [INFO ] After 346ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 01:16:11] [INFO ] After 549ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 677 ms.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 178 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 62 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 51 ms :[true, (NOT p0)]
Support contains 1 out of 311 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 255/255 transitions.
Applied a total of 0 rules in 15 ms. Remains 311 /311 variables (removed 0) and now considering 255/255 (removed 0) transitions.
// Phase 1: matrix 255 rows 311 cols
[2025-06-01 01:16:11] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:16:12] [INFO ] Implicit Places using invariants in 398 ms returned []
[2025-06-01 01:16:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:16:13] [INFO ] Implicit Places using invariants and state equation in 743 ms returned []
Implicit Place search using SMT with State Equation took 1144 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:16:13] [INFO ] Redundant transitions in 2 ms returned []
Running 252 sub problems to find dead transitions.
[2025-06-01 01:16:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 3 (OVERLAPS) 2/310 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 5 (OVERLAPS) 255/565 variables, 310/368 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:27] [INFO ] Deduced a trap composed of 9 places in 160 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:27] [INFO ] Deduced a trap composed of 9 places in 138 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:27] [INFO ] Deduced a trap composed of 8 places in 145 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 3/371 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:33] [INFO ] Deduced a trap composed of 10 places in 175 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:34] [INFO ] Deduced a trap composed of 11 places in 157 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:35] [INFO ] Deduced a trap composed of 12 places in 113 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 3/374 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:41] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:16:41] [INFO ] Deduced a trap composed of 11 places in 65 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/565 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 565/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 252 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 252/252 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 6 (OVERLAPS) 255/565 variables, 310/376 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 252/628 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 565/566 variables, and 628 constraints, problems are : Problem set: 0 solved, 252 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 252/252 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60170ms problems are : Problem set: 0 solved, 252 unsolved
Search for dead transitions found 0 dead transitions in 60171ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61340 ms. Remains : 311/311 places, 255/255 transitions.
Computed a total of 214 stabilizing places and 209 stable transitions
Computed a total of 214 stabilizing places and 209 stable transitions
Detected a total of 214/311 stabilizing places and 209/255 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 162 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 98 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (914 resets) in 206 ms. (193 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (189 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1107668 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :0 out of 1
Probabilistic random walk after 1107668 steps, saw 157697 distinct states, run finished after 3001 ms. (steps per millisecond=369 ) properties seen :0
[2025-06-01 01:17:16] [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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/214 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/243 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 199/449 variables, 250/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/449 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/463 variables, 8/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/463 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/463 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 53/516 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/516 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/516 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 50/566 variables, 50/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/566 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/566 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 369 constraints, problems are : Problem set: 0 solved, 1 unsolved in 516 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 182/183 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/214 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:17] [INFO ] Deduced a trap composed of 8 places in 106 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/214 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 29/243 variables, 18/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 199/449 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/449 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/449 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/463 variables, 8/314 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/463 variables, 3/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/463 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 53/516 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/516 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/516 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 50/566 variables, 50/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/566 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/566 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 915 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1438ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 504 ms.
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 255/255 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 311 transition count 253
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 311 transition count 253
Applied a total of 4 rules in 15 ms. Remains 311 /311 variables (removed 0) and now considering 253/255 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 311/311 places, 253/255 transitions.
RANDOM walk for 40000 steps (647 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (126 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1111169 steps, run timeout after 3001 ms. (steps per millisecond=370 ) properties seen :0 out of 1
Probabilistic random walk after 1111169 steps, saw 155729 distinct states, run finished after 3001 ms. (steps per millisecond=370 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:17:21] [INFO ] Computed 60 invariants in 6 ms
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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 185/186 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/219 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 198/448 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/448 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/462 variables, 8/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 3/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/463 variables, 1/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/463 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 52/515 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/515 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 49/564 variables, 49/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/564 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/564 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 483 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 185/186 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/219 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 198/448 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/448 variables, 1/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/448 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/462 variables, 8/314 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 3/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 52/515 variables, 3/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/515 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 49/564 variables, 49/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:22] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 3 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 788 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1284ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 531 ms.
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 11 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 11 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-06-01 01:17:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:17:24] [INFO ] Implicit Places using invariants in 502 ms returned []
[2025-06-01 01:17:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:17:24] [INFO ] Implicit Places using invariants and state equation in 781 ms returned []
Implicit Place search using SMT with State Equation took 1297 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:17:24] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2025-06-01 01:17:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:34] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:34] [INFO ] Deduced a trap composed of 8 places in 192 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:41] [INFO ] Deduced a trap composed of 13 places in 195 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:41] [INFO ] Deduced a trap composed of 13 places in 161 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:41] [INFO ] Deduced a trap composed of 14 places in 178 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:43] [INFO ] Deduced a trap composed of 9 places in 82 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:17:43] [INFO ] Deduced a trap composed of 11 places in 81 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 5/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (OVERLAPS) 1/564 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 564/564 variables, and 378 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 8/66 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (OVERLAPS) 253/563 variables, 310/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 250/627 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 627 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60191ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60193ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61509 ms. Remains : 311/311 places, 253/253 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 311 transition count 253
Applied a total of 1 rules in 13 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:18:25] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:18:25] [INFO ] After 157ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:18:25] [INFO ] [Nat]Absence check using 35 positive place invariants in 11 ms returned sat
[2025-06-01 01:18:25] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 24 ms returned sat
[2025-06-01 01:18:25] [INFO ] After 220ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 01:18:25] [INFO ] After 248ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 01:18:25] [INFO ] After 390ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 571 ms.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 89 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 48 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 2263 reset in 370 ms.
Product exploration explored 100000 steps with 2320 reset in 431 ms.
Built C files in :
/tmp/ltsmin2746811060351268226
[2025-06-01 01:18:26] [INFO ] Computing symmetric may disable matrix : 255 transitions.
[2025-06-01 01:18:26] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:18:26] [INFO ] Computing symmetric may enable matrix : 255 transitions.
[2025-06-01 01:18:26] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:18:26] [INFO ] Computing Do-Not-Accords matrix : 255 transitions.
[2025-06-01 01:18:26] [INFO ] Computation of Completed DNA matrix. took 20 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:18:26] [INFO ] Built C files in 81ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2746811060351268226
Running compilation step : cd /tmp/ltsmin2746811060351268226;'/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 1073 ms.
Running link step : cd /tmp/ltsmin2746811060351268226;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin2746811060351268226;'/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/stateBased17105299395916281857.hoa' '--buchi-type=spotba'
LTSmin run took 3567 ms.
FORMULA DES-PT-50a-LTLCardinality-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-50a-LTLCardinality-08 finished in 274348 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(F(p0))||(X(F(p0))&&(X(!p1) U ((p2&&X(!p1))||X(G(!p1)))))))))'
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 312 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 312 transition count 256
Applied a total of 2 rules in 7 ms. Remains 312 /313 variables (removed 1) and now considering 256/257 (removed 1) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:18:31] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:18:31] [INFO ] Implicit Places using invariants in 337 ms returned []
[2025-06-01 01:18:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:18:32] [INFO ] Implicit Places using invariants and state equation in 1041 ms returned []
Implicit Place search using SMT with State Equation took 1380 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:18:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:18:38] [INFO ] Deduced a trap composed of 12 places in 127 ms of which 12 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:18:57] [INFO ] Deduced a trap composed of 9 places in 142 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:19:09] [INFO ] Deduced a trap composed of 10 places in 94 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60204ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60205ms
Starting structural reductions in LTL mode, iteration 1 : 312/313 places, 256/257 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61594 ms. Remains : 312/313 places, 256/257 transitions.
Stuttering acceptance computed with spot in 249 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p2) (NOT p0) p1)]
Running random walk in product with property : DES-PT-50a-LTLCardinality-10
Product exploration explored 100000 steps with 24977 reset in 455 ms.
Product exploration explored 100000 steps with 25068 reset in 515 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Knowledge obtained : [(AND p2 p0 p1), (X p2), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 177 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 6 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 348 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
RANDOM walk for 40000 steps (887 resets) in 267 ms. (149 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40004 steps (154 resets) in 186 ms. (213 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (199 resets) in 127 ms. (312 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (193 resets) in 101 ms. (392 steps per ms) remains 3/3 properties
[2025-06-01 01:19:35] [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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 71/81 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 172/253 variables, 22/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/259 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/259 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 255/514 variables, 259/317 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 54/568 variables, 53/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 3 unsolved in 624 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 71/81 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 172/253 variables, 22/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/259 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/259 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 255/514 variables, 259/317 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:19:36] [INFO ] Deduced a trap composed of 17 places in 150 ms of which 22 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/514 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 54/568 variables, 53/371 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 3/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 374 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3275 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3918ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3084 ms.
Support contains 5 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 312 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 312 transition count 254
Applied a total of 8 rules in 23 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (531 resets) in 186 ms. (213 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (77 resets) in 77 ms. (512 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (94 resets) in 103 ms. (384 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (100 resets) in 69 ms. (571 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 705374 steps, run timeout after 3001 ms. (steps per millisecond=235 ) properties seen :0 out of 3
Probabilistic random walk after 705374 steps, saw 101259 distinct states, run finished after 3005 ms. (steps per millisecond=234 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:19:45] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 01:19:45] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 77/87 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 175/262 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 3 unsolved in 517 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 77/87 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 175/262 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 3/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2409 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2945ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2767 ms.
Support contains 5 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 12 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 7 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:19:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:19:51] [INFO ] Implicit Places using invariants in 350 ms returned []
[2025-06-01 01:19:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:19:51] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 01:19:52] [INFO ] Implicit Places using invariants and state equation in 1224 ms returned []
Implicit Place search using SMT with State Equation took 1577 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:19:52] [INFO ] Redundant transitions in 1 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:19:52] [INFO ] Invariant cache hit.
[2025-06-01 01:19:52] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:20:03] [INFO ] Deduced a trap composed of 12 places in 181 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:20:07] [INFO ] Deduced a trap composed of 7 places in 112 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:20:19] [INFO ] Deduced a trap composed of 8 places in 111 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:20:25] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:20:25] [INFO ] Deduced a trap composed of 11 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:20:27] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 3/381 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/634 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 634 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60115ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60118ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61711 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 312 transition count 254
Applied a total of 1 rules in 14 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:20:52] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:20:52] [INFO ] After 87ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:20:53] [INFO ] [Nat]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-06-01 01:20:53] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 29 ms returned sat
[2025-06-01 01:20:53] [INFO ] After 385ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-06-01 01:20:53] [INFO ] After 585ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-01 01:20:53] [INFO ] After 947ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 1061 ms.
Knowledge obtained : [(AND p2 p0 p1), (X p2), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR p2 p0 (NOT p1)))), (F (NOT p0)), (F (NOT p2)), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 8 factoid took 305 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 6 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 289 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
Stuttering acceptance computed with spot in 279 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
Support contains 5 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 4 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:20:54] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:20:55] [INFO ] Implicit Places using invariants in 465 ms returned []
[2025-06-01 01:20:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:20:56] [INFO ] Implicit Places using invariants and state equation in 997 ms returned []
Implicit Place search using SMT with State Equation took 1466 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:20:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:20:59] [INFO ] Deduced a trap composed of 12 places in 72 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:21:14] [INFO ] Deduced a trap composed of 9 places in 104 ms of which 6 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:21:32] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60123ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60123ms
Finished structural reductions in LTL mode , in 1 iterations and 61595 ms. Remains : 312/312 places, 256/256 transitions.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Knowledge obtained : [(AND p0 p1 p2), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 130 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 6 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 237 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
RANDOM walk for 40000 steps (894 resets) in 287 ms. (138 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40004 steps (178 resets) in 87 ms. (454 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (156 resets) in 73 ms. (540 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (189 resets) in 64 ms. (615 steps per ms) remains 3/3 properties
[2025-06-01 01:21:56] [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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 71/81 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 172/253 variables, 22/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/259 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/259 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 255/514 variables, 259/317 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 54/568 variables, 53/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 3 unsolved in 397 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 71/81 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 172/253 variables, 22/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/259 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/259 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 255/514 variables, 259/317 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:21:57] [INFO ] Deduced a trap composed of 17 places in 156 ms of which 21 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/514 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 54/568 variables, 53/371 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 3/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 374 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2469 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2872ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 5692 ms.
Support contains 5 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 312 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 312 transition count 254
Applied a total of 8 rules in 19 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (545 resets) in 176 ms. (225 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (88 resets) in 73 ms. (540 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (74 resets) in 101 ms. (392 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (94 resets) in 114 ms. (347 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 578759 steps, run timeout after 3001 ms. (steps per millisecond=192 ) properties seen :0 out of 3
Probabilistic random walk after 578759 steps, saw 83167 distinct states, run finished after 3001 ms. (steps per millisecond=192 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:22:08] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 01:22:08] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 77/87 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 175/262 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 3 unsolved in 408 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 77/87 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 175/262 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 3/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2015 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2434ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 5467 ms.
Support contains 5 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 7 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 7 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:22:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:22:17] [INFO ] Implicit Places using invariants in 491 ms returned []
[2025-06-01 01:22:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:22:17] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 01:22:18] [INFO ] Implicit Places using invariants and state equation in 1113 ms returned []
Implicit Place search using SMT with State Equation took 1606 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:22:18] [INFO ] Redundant transitions in 2 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:22:18] [INFO ] Invariant cache hit.
[2025-06-01 01:22:18] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:22:30] [INFO ] Deduced a trap composed of 12 places in 126 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:22:34] [INFO ] Deduced a trap composed of 7 places in 92 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:22:47] [INFO ] Deduced a trap composed of 8 places in 88 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:22:52] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:22:52] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:22:54] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/378 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 3/381 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/634 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 634 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60183ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60185ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61808 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 312 transition count 254
Applied a total of 1 rules in 21 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:23:18] [INFO ] Computed 60 invariants in 7 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:23:18] [INFO ] After 137ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:23:18] [INFO ] [Nat]Absence check using 35 positive place invariants in 15 ms returned sat
[2025-06-01 01:23:18] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 44 ms returned sat
[2025-06-01 01:23:19] [INFO ] After 453ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-06-01 01:23:19] [INFO ] After 714ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-01 01:23:19] [INFO ] After 1131ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 1308 ms.
Knowledge obtained : [(AND p0 p1 p2), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p2)), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (OR p2 (NOT p1))))]
Knowledge based reduction with 4 factoid took 254 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 6 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 285 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
Stuttering acceptance computed with spot in 300 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
Stuttering acceptance computed with spot in 279 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
Product exploration explored 100000 steps with 19973 reset in 351 ms.
Product exploration explored 100000 steps with 20024 reset in 686 ms.
Applying partial POR strategy [false, false, true, false, false, true]
Stuttering acceptance computed with spot in 273 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2))]
Support contains 5 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 21 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:23:22] [INFO ] Redundant transitions in 1 ms returned []
Running 255 sub problems to find dead transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:23:22] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:23:27] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:23:44] [INFO ] Deduced a trap composed of 17 places in 142 ms of which 15 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:23:58] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60140ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60141ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60170 ms. Remains : 312/312 places, 256/256 transitions.
Built C files in :
/tmp/ltsmin16179218347063577602
[2025-06-01 01:24:22] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16179218347063577602
Running compilation step : cd /tmp/ltsmin16179218347063577602;'/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 794 ms.
Running link step : cd /tmp/ltsmin16179218347063577602;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 53 ms.
Running LTSmin : cd /tmp/ltsmin16179218347063577602;'/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/stateBased9022063041175534595.hoa' '--buchi-type=spotba'
LTSmin run took 259 ms.
FORMULA DES-PT-50a-LTLCardinality-10 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-50a-LTLCardinality-10 finished in 352338 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0))||(p1 U G(p2)))))'
Support contains 3 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 312 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 312 transition count 256
Applied a total of 2 rules in 23 ms. Remains 312 /313 variables (removed 1) and now considering 256/257 (removed 1) transitions.
[2025-06-01 01:24:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:24:24] [INFO ] Implicit Places using invariants in 474 ms returned []
[2025-06-01 01:24:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:24:25] [INFO ] Implicit Places using invariants and state equation in 1002 ms returned []
Implicit Place search using SMT with State Equation took 1482 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:24:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:24:30] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:24:46] [INFO ] Deduced a trap composed of 9 places in 140 ms of which 8 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:01] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60122ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60122ms
Starting structural reductions in LTL mode, iteration 1 : 312/313 places, 256/257 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61629 ms. Remains : 312/313 places, 256/257 transitions.
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DES-PT-50a-LTLCardinality-11
Product exploration explored 100000 steps with 2227 reset in 643 ms.
Product exploration explored 100000 steps with 2209 reset in 335 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p0), (X p1), (X (AND (NOT p2) p0 p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p0)), (X (X p1)), (X (X (AND (NOT p2) p0 p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 21 factoid took 286 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter sensitive) to 6 states, 19 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 346 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
Reduction of identical properties reduced properties to check from 12 to 11
RANDOM walk for 40000 steps (877 resets) in 238 ms. (167 steps per ms) remains 8/11 properties
BEST_FIRST walk for 40004 steps (180 resets) in 115 ms. (344 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (193 resets) in 100 ms. (396 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (182 resets) in 81 ms. (487 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (190 resets) in 95 ms. (416 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (176 resets) in 80 ms. (493 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (176 resets) in 82 ms. (481 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (168 resets) in 89 ms. (444 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (184 resets) in 80 ms. (493 steps per ms) remains 8/8 properties
[2025-06-01 01:25:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf1 is UNSAT
Problem apf7 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 4/7 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 73/80 variables, 32/33 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 173/253 variables, 23/56 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 6/259 variables, 2/58 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/259 variables, 0/58 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 255/514 variables, 259/317 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/514 variables, 0/317 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 54/568 variables, 53/370 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 2 solved, 6 unsolved in 1061 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 4/7 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 73/80 variables, 32/33 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 173/253 variables, 23/56 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 6/259 variables, 2/58 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/259 variables, 0/58 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Problem apf5 is UNSAT
At refinement iteration 9 (OVERLAPS) 255/514 variables, 259/317 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/514 variables, 5/322 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 0/322 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 54/568 variables, 53/375 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 0/375 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/568 variables, 0/375 constraints. Problems are: Problem set: 3 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 375 constraints, problems are : Problem set: 3 solved, 5 unsolved in 1878 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 5/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2966ms problems are : Problem set: 3 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 3625 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 312 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 311 transition count 253
Applied a total of 9 rules in 39 ms. Remains 311 /312 variables (removed 1) and now considering 253/256 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 311/312 places, 253/256 transitions.
RANDOM walk for 40000 steps (535 resets) in 190 ms. (209 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (82 resets) in 109 ms. (363 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (104 resets) in 103 ms. (384 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (95 resets) in 82 ms. (481 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (90 resets) in 128 ms. (310 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (96 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 557893 steps, run timeout after 3001 ms. (steps per millisecond=185 ) properties seen :0 out of 5
Probabilistic random walk after 557893 steps, saw 80177 distinct states, run finished after 3001 ms. (steps per millisecond=185 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:25:37] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 01:25:37] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 14/20 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 202/222 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 25/247 variables, 22/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 3/250 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:38] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:38] [INFO ] Deduced a trap composed of 17 places in 75 ms of which 8 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 2/322 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 21 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 24 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1393 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 14/20 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 202/222 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 25/247 variables, 22/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 3/250 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 5/312 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 12/462 variables, 8/320 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/462 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 1/463 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/463 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/463 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/463 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 23 (OVERLAPS) 52/515 variables, 3/330 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/515 variables, 1/331 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/515 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 26 (OVERLAPS) 49/564 variables, 49/380 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:40] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 6 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/564 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/564 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 29 (OVERLAPS) 0/564 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 381 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2334 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3737ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 4651 ms.
Support contains 3 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 28 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 18 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-06-01 01:25:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:25:46] [INFO ] Implicit Places using invariants in 377 ms returned []
[2025-06-01 01:25:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:25:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:25:47] [INFO ] Implicit Places using invariants and state equation in 1028 ms returned []
Implicit Place search using SMT with State Equation took 1407 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:25:47] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2025-06-01 01:25:47] [INFO ] Invariant cache hit.
[2025-06-01 01:25:47] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:00] [INFO ] Deduced a trap composed of 11 places in 102 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:01] [INFO ] Deduced a trap composed of 65 places in 236 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:03] [INFO ] Deduced a trap composed of 8 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:03] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 4/376 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:07] [INFO ] Deduced a trap composed of 10 places in 134 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:08] [INFO ] Deduced a trap composed of 13 places in 168 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:09] [INFO ] Deduced a trap composed of 7 places in 127 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 3/379 constraints. Problems are: Problem set: 0 solved, 250 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: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/564 variables, and 379 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 8/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:22] [INFO ] Deduced a trap composed of 5 places in 92 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (OVERLAPS) 253/563 variables, 310/378 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 2/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 250/630 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 630 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60187ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61626 ms. Remains : 311/311 places, 253/253 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 311 transition count 253
Applied a total of 1 rules in 19 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:26:47] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:26:47] [INFO ] [Real]Absence check using 35 positive place invariants in 14 ms returned sat
[2025-06-01 01:26:47] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 44 ms returned sat
[2025-06-01 01:26:47] [INFO ] After 190ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:26:47] [INFO ] [Nat]Absence check using 35 positive place invariants in 15 ms returned sat
[2025-06-01 01:26:48] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 41 ms returned sat
[2025-06-01 01:26:48] [INFO ] After 367ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
TRAPS : Iteration 0
[2025-06-01 01:26:48] [INFO ] After 522ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
[2025-06-01 01:26:48] [INFO ] After 871ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Over-approximation ignoring read arcs solved 0 properties in 1092 ms.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (NOT (AND p2 p0 p1))), (X (NOT (AND p2 (NOT p0) p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p0), (X p1), (X (AND (NOT p2) p0 p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p0)), (X (X p1)), (X (X (AND (NOT p2) p0 p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (G (OR p2 p0 (NOT p1))), (G (OR (NOT p2) (NOT p0) (NOT p1))), (G (OR (NOT p2) (NOT p0) p1))]
False Knowledge obtained : [(F (NOT (OR p2 p1))), (F (NOT (OR p2 p1))), (F (NOT (AND (NOT p2) p0 p1))), (F (NOT p1))]
Knowledge based reduction with 24 factoid took 756 ms. Reduced automaton from 6 states, 19 edges and 3 AP (stutter insensitive) to 5 states, 14 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 272 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Stuttering acceptance computed with spot in 253 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 13 ms. Remains 311 /312 variables (removed 1) and now considering 255/256 (removed 1) transitions.
// Phase 1: matrix 255 rows 311 cols
[2025-06-01 01:26:50] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:26:50] [INFO ] Implicit Places using invariants in 535 ms returned []
[2025-06-01 01:26:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:26:51] [INFO ] Implicit Places using invariants and state equation in 791 ms returned []
Implicit Place search using SMT with State Equation took 1331 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:26:51] [INFO ] Redundant transitions in 2 ms returned []
Running 252 sub problems to find dead transitions.
[2025-06-01 01:26:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 3 (OVERLAPS) 2/310 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 5 (OVERLAPS) 255/565 variables, 310/368 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:04] [INFO ] Deduced a trap composed of 9 places in 132 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:04] [INFO ] Deduced a trap composed of 9 places in 130 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:04] [INFO ] Deduced a trap composed of 8 places in 128 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 3/371 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:10] [INFO ] Deduced a trap composed of 10 places in 167 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:10] [INFO ] Deduced a trap composed of 11 places in 211 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:11] [INFO ] Deduced a trap composed of 12 places in 171 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 3/374 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:18] [INFO ] Deduced a trap composed of 9 places in 107 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:18] [INFO ] Deduced a trap composed of 11 places in 94 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/565 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 565/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 252 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 252/252 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 252 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 6 (OVERLAPS) 255/565 variables, 310/376 constraints. Problems are: Problem set: 0 solved, 252 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 252/628 constraints. Problems are: Problem set: 0 solved, 252 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 565/566 variables, and 628 constraints, problems are : Problem set: 0 solved, 252 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 252/252 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60112ms problems are : Problem set: 0 solved, 252 unsolved
Search for dead transitions found 0 dead transitions in 60113ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61466 ms. Remains : 311/312 places, 255/256 transitions.
Computed a total of 214 stabilizing places and 209 stable transitions
Computed a total of 214 stabilizing places and 209 stable transitions
Detected a total of 214/311 stabilizing places and 209/255 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND p2 (NOT p0) p1))), (X (AND p0 p1)), (X (NOT (OR (AND (NOT p2) (NOT p0)) (AND p0 (NOT p1))))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X (NOT (OR (AND (NOT p2) (NOT p0)) (AND p0 (NOT p1)))))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 415 ms. Reduced automaton from 5 states, 14 edges and 3 AP (stutter insensitive) to 5 states, 14 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 202 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
RANDOM walk for 40000 steps (899 resets) in 272 ms. (146 steps per ms) remains 4/8 properties
BEST_FIRST walk for 40004 steps (183 resets) in 78 ms. (506 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (181 resets) in 87 ms. (454 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (180 resets) in 71 ms. (555 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (172 resets) in 97 ms. (408 steps per ms) remains 4/4 properties
[2025-06-01 01:27:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 14/20 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 200/220 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 23/243 variables, 21/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 7/250 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 199/449 variables, 250/304 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/449 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 14/463 variables, 8/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/463 variables, 3/315 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/463 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 53/516 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/516 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/516 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 50/566 variables, 50/369 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/566 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 0/566 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 369 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1046 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 14/20 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 200/220 variables, 22/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 23/243 variables, 21/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 7/250 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 199/449 variables, 250/304 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/449 variables, 4/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/449 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 14/463 variables, 8/316 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/463 variables, 3/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 53/516 variables, 3/322 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/516 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/516 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (OVERLAPS) 50/566 variables, 50/373 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/566 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 0/566 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 373 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1377 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2432ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2648 ms.
Support contains 3 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 255/255 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 311 transition count 253
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 4 place count 311 transition count 253
Applied a total of 4 rules in 17 ms. Remains 311 /311 variables (removed 0) and now considering 253/255 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 311/311 places, 253/255 transitions.
RANDOM walk for 40000 steps (614 resets) in 130 ms. (305 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (117 resets) in 49 ms. (800 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (130 resets) in 56 ms. (701 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (121 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (114 resets) in 48 ms. (816 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 592298 steps, run timeout after 3001 ms. (steps per millisecond=197 ) properties seen :0 out of 4
Probabilistic random walk after 592298 steps, saw 86711 distinct states, run finished after 3001 ms. (steps per millisecond=197 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:28:00] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 14/20 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 203/223 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/223 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 25/248 variables, 22/53 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/248 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/250 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 198/448 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/448 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 14/462 variables, 8/313 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 3/316 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 1/463 variables, 1/317 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/463 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 52/515 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/515 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 49/564 variables, 49/371 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/564 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 0/564 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 371 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1028 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 14/20 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 203/223 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/223 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 25/248 variables, 22/53 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/248 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/250 variables, 2/55 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 198/448 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/448 variables, 4/309 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/448 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 14/462 variables, 8/317 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:03] [INFO ] Deduced a trap composed of 5 places in 84 ms of which 7 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 1/376 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2501 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3543ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2874 ms.
Support contains 3 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 9 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-06-01 01:28:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:28:07] [INFO ] Implicit Places using invariants in 405 ms returned []
[2025-06-01 01:28:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:28:08] [INFO ] Implicit Places using invariants and state equation in 1071 ms returned []
Implicit Place search using SMT with State Equation took 1490 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:28:08] [INFO ] Redundant transitions in 1 ms returned []
Running 250 sub problems to find dead transitions.
[2025-06-01 01:28:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:19] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:20] [INFO ] Deduced a trap composed of 8 places in 140 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:27] [INFO ] Deduced a trap composed of 13 places in 155 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:28] [INFO ] Deduced a trap composed of 13 places in 179 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:28] [INFO ] Deduced a trap composed of 14 places in 186 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:30] [INFO ] Deduced a trap composed of 9 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:30] [INFO ] Deduced a trap composed of 11 places in 85 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 5/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/564 variables, and 377 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 8/66 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (OVERLAPS) 253/563 variables, 310/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 250/627 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 627 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60191ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60192ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61702 ms. Remains : 311/311 places, 253/253 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 311 transition count 253
Applied a total of 1 rules in 14 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:29:08] [INFO ] Computed 60 invariants in 7 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:29:08] [INFO ] [Real]Absence check using 35 positive place invariants in 15 ms returned sat
[2025-06-01 01:29:08] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 39 ms returned sat
[2025-06-01 01:29:08] [INFO ] After 204ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:29:09] [INFO ] [Nat]Absence check using 35 positive place invariants in 17 ms returned sat
[2025-06-01 01:29:09] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 42 ms returned sat
[2025-06-01 01:29:09] [INFO ] After 335ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:29:09] [INFO ] Deduced a trap composed of 5 places in 83 ms of which 7 ms to minimize.
[2025-06-01 01:29:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
TRAPS : Iteration 1
[2025-06-01 01:29:09] [INFO ] After 707ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-06-01 01:29:09] [INFO ] After 1051ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 1284 ms.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND p2 (NOT p0) p1))), (X (AND p0 p1)), (X (NOT (OR (AND (NOT p2) (NOT p0)) (AND p0 (NOT p1))))), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X (NOT (OR (AND (NOT p2) (NOT p0)) (AND p0 (NOT p1)))))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (AND (NOT p0) p2) (AND p0 p1)))), (F (NOT (AND (OR p0 p2) (OR (NOT p0) p1)))), (F (NOT (AND p0 p1))), (F (NOT p1))]
Knowledge based reduction with 17 factoid took 1164 ms. Reduced automaton from 5 states, 14 edges and 3 AP (stutter insensitive) to 5 states, 14 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Stuttering acceptance computed with spot in 265 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Product exploration explored 100000 steps with 2259 reset in 474 ms.
Product exploration explored 100000 steps with 2288 reset in 574 ms.
Built C files in :
/tmp/ltsmin9119954371376457464
[2025-06-01 01:29:12] [INFO ] Computing symmetric may disable matrix : 255 transitions.
[2025-06-01 01:29:12] [INFO ] Computation of Complete disable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:29:12] [INFO ] Computing symmetric may enable matrix : 255 transitions.
[2025-06-01 01:29:12] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:29:13] [INFO ] Computing Do-Not-Accords matrix : 255 transitions.
[2025-06-01 01:29:13] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:29:13] [INFO ] Built C files in 36ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9119954371376457464
Running compilation step : cd /tmp/ltsmin9119954371376457464;'/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 904 ms.
Running link step : cd /tmp/ltsmin9119954371376457464;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 61 ms.
Running LTSmin : cd /tmp/ltsmin9119954371376457464;'/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/stateBased15966757585842178254.hoa' '--buchi-type=spotba'
LTSmin run took 1629 ms.
FORMULA DES-PT-50a-LTLCardinality-11 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-50a-LTLCardinality-11 finished in 291815 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X(p1)))'
Support contains 3 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 312 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 312 transition count 256
Applied a total of 2 rules in 11 ms. Remains 312 /313 variables (removed 1) and now considering 256/257 (removed 1) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:29:15] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:29:16] [INFO ] Implicit Places using invariants in 476 ms returned []
[2025-06-01 01:29:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:29:17] [INFO ] Implicit Places using invariants and state equation in 1319 ms returned []
Implicit Place search using SMT with State Equation took 1807 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:29:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:29:23] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:29:42] [INFO ] Deduced a trap composed of 9 places in 154 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:29:52] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60151ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60151ms
Starting structural reductions in LTL mode, iteration 1 : 312/313 places, 256/257 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61971 ms. Remains : 312/313 places, 256/257 transitions.
Stuttering acceptance computed with spot in 129 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : DES-PT-50a-LTLCardinality-12
Stuttering criterion allowed to conclude after 38 steps with 0 reset in 1 ms.
FORMULA DES-PT-50a-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLCardinality-12 finished in 62121 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 312 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 312 transition count 256
Applied a total of 2 rules in 24 ms. Remains 312 /313 variables (removed 1) and now considering 256/257 (removed 1) transitions.
[2025-06-01 01:30:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:30:18] [INFO ] Implicit Places using invariants in 587 ms returned []
[2025-06-01 01:30:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:30:19] [INFO ] Implicit Places using invariants and state equation in 1342 ms returned []
Implicit Place search using SMT with State Equation took 1932 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:30:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:30:25] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:30:43] [INFO ] Deduced a trap composed of 9 places in 148 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:30:54] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60183ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60185ms
Starting structural reductions in LTL mode, iteration 1 : 312/313 places, 256/257 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62144 ms. Remains : 312/313 places, 256/257 transitions.
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-50a-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 870 ms.
Product exploration explored 100000 steps with 50000 reset in 610 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 20 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-50a-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-50a-LTLCardinality-13 finished in 63777 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((!p1&&X(!p1)))||(!p1&&X(!p1)&&F(!p2))||p0)))'
Support contains 7 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 257/257 transitions.
Applied a total of 0 rules in 4 ms. Remains 313 /313 variables (removed 0) and now considering 257/257 (removed 0) transitions.
// Phase 1: matrix 257 rows 313 cols
[2025-06-01 01:31:21] [INFO ] Computed 58 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:31:22] [INFO ] Implicit Places using invariants in 1222 ms returned []
[2025-06-01 01:31:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:31:24] [INFO ] Implicit Places using invariants and state equation in 1512 ms returned []
Implicit Place search using SMT with State Equation took 2739 ms to find 0 implicit places.
Running 256 sub problems to find dead transitions.
[2025-06-01 01:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 312/312 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 12/324 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/312 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 256 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1/313 variables, 33/357 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 13/371 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 7 (OVERLAPS) 257/570 variables, 313/684 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:43] [INFO ] Deduced a trap composed of 16 places in 114 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:43] [INFO ] Deduced a trap composed of 17 places in 112 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:44] [INFO ] Deduced a trap composed of 9 places in 204 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:44] [INFO ] Deduced a trap composed of 10 places in 167 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:44] [INFO ] Deduced a trap composed of 12 places in 204 ms of which 20 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/570 variables, 5/689 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 570/570 variables, and 689 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30012 ms.
Refiners :[Domain max(s): 313/313 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/312 variables, 312/312 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/312 variables, 12/324 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/312 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (OVERLAPS) 1/313 variables, 33/357 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 13/371 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 5/376 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:00] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/313 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 9 (OVERLAPS) 257/570 variables, 313/690 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/570 variables, 256/946 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 570/570 variables, and 946 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30019 ms.
Refiners :[Domain max(s): 313/313 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 313/313 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60161ms problems are : Problem set: 0 solved, 256 unsolved
Search for dead transitions found 0 dead transitions in 60162ms
Finished structural reductions in LTL mode , in 1 iterations and 62907 ms. Remains : 313/313 places, 257/257 transitions.
Stuttering acceptance computed with spot in 240 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), true, p1, (AND p2 p1), p2]
Running random walk in product with property : DES-PT-50a-LTLCardinality-15
Product exploration explored 100000 steps with 50000 reset in 805 ms.
Product exploration explored 100000 steps with 50000 reset in 617 ms.
Computed a total of 216 stabilizing places and 211 stable transitions
Computed a total of 216 stabilizing places and 211 stable transitions
Detected a total of 216/313 stabilizing places and 211/257 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X p2), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X p2)), (X (X (AND p1 p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 16 ms. Reduced automaton from 6 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-50a-LTLCardinality-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-50a-LTLCardinality-15 finished in 64621 ms.
All properties solved by simple procedures.
Total runtime 1695084 ms.
BK_STOP 1748741546199
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-50a"
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 DES-PT-50a, 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 r058-smll-174854064000347"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-50a.tgz
mv DES-PT-50a 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 ;