Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r058-smll-174854063900316.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-30a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854063900316
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K 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 70K 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-30a-LTLFireability-00
FORMULA_NAME DES-PT-30a-LTLFireability-01
FORMULA_NAME DES-PT-30a-LTLFireability-02
FORMULA_NAME DES-PT-30a-LTLFireability-03
FORMULA_NAME DES-PT-30a-LTLFireability-04
FORMULA_NAME DES-PT-30a-LTLFireability-05
FORMULA_NAME DES-PT-30a-LTLFireability-06
FORMULA_NAME DES-PT-30a-LTLFireability-07
FORMULA_NAME DES-PT-30a-LTLFireability-08
FORMULA_NAME DES-PT-30a-LTLFireability-09
FORMULA_NAME DES-PT-30a-LTLFireability-10
FORMULA_NAME DES-PT-30a-LTLFireability-11
FORMULA_NAME DES-PT-30a-LTLFireability-12
FORMULA_NAME DES-PT-30a-LTLFireability-13
FORMULA_NAME DES-PT-30a-LTLFireability-14
FORMULA_NAME DES-PT-30a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748709420884

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-30a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-31 16:37:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 16:37:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 16:37:03] [INFO ] Load time of PNML (sax parser for PT used): 137 ms
[2025-05-31 16:37:03] [INFO ] Transformed 234 places.
[2025-05-31 16:37:03] [INFO ] Transformed 191 transitions.
[2025-05-31 16:37:03] [INFO ] Found NUPN structural information;
[2025-05-31 16:37:03] [INFO ] Parsed PT model containing 234 places and 191 transitions and 926 arcs in 291 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA DES-PT-30a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-30a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 52 out of 234 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 234/234 places, 177/177 transitions.
Applied a total of 0 rules in 35 ms. Remains 234 /234 variables (removed 0) and now considering 177/177 (removed 0) transitions.
// Phase 1: matrix 177 rows 234 cols
[2025-05-31 16:37:04] [INFO ] Computed 59 invariants in 28 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:37:05] [INFO ] Implicit Places using invariants in 1011 ms returned [131]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1070 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 233/234 places, 177/177 transitions.
Applied a total of 0 rules in 33 ms. Remains 233 /233 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1179 ms. Remains : 233/234 places, 177/177 transitions.
Support contains 52 out of 233 places after structural reductions.
[2025-05-31 16:37:05] [INFO ] Flatten gal took : 105 ms
[2025-05-31 16:37:05] [INFO ] Flatten gal took : 55 ms
[2025-05-31 16:37:06] [INFO ] Input system was already deterministic with 177 transitions.
Support contains 48 out of 233 places (down from 52) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 35 to 32
RANDOM walk for 40000 steps (894 resets) in 2110 ms. (18 steps per ms) remains 16/32 properties
BEST_FIRST walk for 4003 steps (19 resets) in 71 ms. (55 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (18 resets) in 50 ms. (78 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (19 resets) in 60 ms. (65 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (19 resets) in 65 ms. (60 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (19 resets) in 66 ms. (59 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (14 resets) in 71 ms. (55 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (17 resets) in 66 ms. (59 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (14 resets) in 44 ms. (88 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (23 resets) in 21 ms. (181 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (25 resets) in 59 ms. (66 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (19 resets) in 35 ms. (111 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (23 resets) in 29 ms. (133 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (18 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (18 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (19 resets) in 25 ms. (153 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (15 resets) in 30 ms. (129 steps per ms) remains 16/16 properties
// Phase 1: matrix 177 rows 233 cols
[2025-05-31 16:37:07] [INFO ] Computed 58 invariants in 9 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 10/31 variables, 6/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 10/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 62/93 variables, 26/63 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 62/125 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 109/202 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 109/258 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/202 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (OVERLAPS) 4/206 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/206 variables, 4/264 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/206 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 14 (OVERLAPS) 176/382 variables, 206/470 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/382 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 16 (OVERLAPS) 28/410 variables, 27/497 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/410 variables, 27/524 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/410 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:10] [INFO ] Deduced a trap composed of 12 places in 118 ms of which 20 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/410 variables, 1/525 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/410 variables, and 525 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5015 ms.
Refiners :[Domain max(s): 233/233 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 233/233 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 10/31 variables, 6/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 10/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 62/93 variables, 26/63 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 62/125 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 109/202 variables, 24/149 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 109/258 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/202 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/202 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (OVERLAPS) 4/206 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/206 variables, 4/265 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/206 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 15 (OVERLAPS) 176/382 variables, 206/471 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/382 variables, 3/474 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:15] [INFO ] Deduced a trap composed of 16 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:15] [INFO ] Deduced a trap composed of 17 places in 74 ms of which 9 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/382 variables, 2/476 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 382/410 variables, and 476 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5009 ms.
Refiners :[Domain max(s): 206/233 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 206/233 constraints, PredecessorRefiner: 3/16 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10110ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 21 out of 233 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 233/233 places, 177/177 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 233 transition count 175
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 232 transition count 174
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 232 transition count 174
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 232 transition count 174
Applied a total of 8 rules in 54 ms. Remains 232 /233 variables (removed 1) and now considering 174/177 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 232/233 places, 174/177 transitions.
RANDOM walk for 40000 steps (526 resets) in 646 ms. (61 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4003 steps (13 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 54 ms. (72 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (8 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (27 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (27 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (25 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (28 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 27 ms. (142 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 444539 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 15
Probabilistic random walk after 444539 steps, saw 64717 distinct states, run finished after 3009 ms. (steps per millisecond=147 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 16:37:20] [INFO ] Computed 60 invariants in 5 ms
[2025-05-31 16:37:20] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 10/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 72/102 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 105/207 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/207 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 174/381 variables, 207/267 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/381 variables, 2/269 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:21] [INFO ] Deduced a trap composed of 8 places in 89 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (OVERLAPS) 25/406 variables, 25/295 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:23] [INFO ] Deduced a trap along path composed of 5 places in 45 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:23] [INFO ] Deduced a trap composed of 13 places in 147 ms of which 18 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 297 constraints, problems are : Problem set: 0 solved, 15 unsolved in 5865 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 10/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 72/102 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 105/207 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/207 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/207 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 174/381 variables, 207/269 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 2/271 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 10/281 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:29] [INFO ] Deduced a trap composed of 12 places in 105 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:38] [INFO ] Deduced a trap composed of 16 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:37:38] [INFO ] Deduced a trap composed of 17 places in 102 ms of which 10 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/381 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/381 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/381 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (OVERLAPS) 25/406 variables, 25/310 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 315 constraints, problems are : Problem set: 0 solved, 15 unsolved in 45012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 50911ms problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 12 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 232/232 places, 174/174 transitions.
RANDOM walk for 40000 steps (523 resets) in 1398 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 11 ms. (333 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (10 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (28 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (27 resets) in 12 ms. (307 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (27 resets) in 31 ms. (125 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (28 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 12 ms. (307 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 15 ms. (250 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 535594 steps, run timeout after 3001 ms. (steps per millisecond=178 ) properties seen :0 out of 15
Probabilistic random walk after 535594 steps, saw 76838 distinct states, run finished after 3008 ms. (steps per millisecond=178 ) properties seen :0
[2025-05-31 16:38:15] [INFO ] Invariant cache hit.
[2025-05-31 16:38:15] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 10/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 72/102 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 105/207 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/207 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 174/381 variables, 207/267 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/381 variables, 2/269 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 25/406 variables, 25/294 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:38:17] [INFO ] Deduced a trap along path composed of 5 places in 37 ms of which 3 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/406 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 15 unsolved in 3888 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 10/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 72/102 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 105/207 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/207 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 174/381 variables, 207/267 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/381 variables, 2/269 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/381 variables, 10/279 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:38:22] [INFO ] Deduced a trap composed of 8 places in 80 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/381 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:38:33] [INFO ] Deduced a trap composed of 12 places in 67 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/381 variables, 1/281 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/381 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:38:52] [INFO ] Deduced a trap composed of 16 places in 120 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:38:53] [INFO ] Deduced a trap composed of 17 places in 107 ms of which 12 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/381 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/381 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (OVERLAPS) 25/406 variables, 25/309 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/406 variables, 5/314 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 314 constraints, problems are : Problem set: 0 solved, 15 unsolved in 75010 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 78926ms problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 19 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 232/232 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 18 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2025-05-31 16:39:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:39:34] [INFO ] Implicit Places using invariants in 461 ms returned []
[2025-05-31 16:39:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:39:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 16:39:35] [INFO ] Implicit Places using invariants and state equation in 645 ms returned []
Implicit Place search using SMT with State Equation took 1134 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:39:35] [INFO ] Redundant transitions in 10 ms returned []
Running 173 sub problems to find dead transitions.
[2025-05-31 16:39:35] [INFO ] Invariant cache hit.
[2025-05-31 16:39:35] [INFO ] State equation strengthened by 2 read => feed constraints.
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) 0/231 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/406 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:40] [INFO ] Deduced a trap composed of 7 places in 100 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:45] [INFO ] Deduced a trap composed of 17 places in 115 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:46] [INFO ] Deduced a trap composed of 8 places in 175 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:48] [INFO ] Deduced a trap composed of 12 places in 98 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:51] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:51] [INFO ] Deduced a trap composed of 11 places in 78 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:55] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:39:59] [INFO ] Deduced a trap composed of 9 places in 67 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 406/406 variables, and 302 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 8/68 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (OVERLAPS) 174/406 variables, 232/300 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 2/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 173/475 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 475 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60212ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 60216ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61390 ms. Remains : 232/232 places, 174/174 transitions.
FORMULA DES-PT-30a-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 136 stabilizing places and 131 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' '!(G(F(p0)))'
Support contains 2 out of 233 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 20 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 16:40:35] [INFO ] Computed 58 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:40:36] [INFO ] Implicit Places using invariants in 513 ms returned []
[2025-05-31 16:40:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:40:37] [INFO ] Implicit Places using invariants and state equation in 680 ms returned []
Implicit Place search using SMT with State Equation took 1203 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:40:37] [INFO ] Redundant transitions in 13 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 16:40:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:40:45] [INFO ] Deduced a trap composed of 12 places in 192 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:40:45] [INFO ] Deduced a trap composed of 17 places in 105 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:40:45] [INFO ] Deduced a trap composed of 9 places in 150 ms of which 15 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:40:52] [INFO ] Deduced a trap along path composed of 15 places in 55 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 28378 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:41:07] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 58510ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 58512ms
Starting structural reductions in SI_LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59759 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 243 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-30a-LTLFireability-00
Product exploration explored 100000 steps with 2260 reset in 718 ms.
Product exploration explored 100000 steps with 2243 reset in 353 ms.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 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 98 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 72 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (905 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (204 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1242211 steps, run timeout after 3001 ms. (steps per millisecond=413 ) properties seen :0 out of 1
Probabilistic random walk after 1242211 steps, saw 176593 distinct states, run finished after 3001 ms. (steps per millisecond=413 ) properties seen :0
[2025-05-31 16:41:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/77 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/196 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/200 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 175/375 variables, 200/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/408 variables, 32/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 221 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/77 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/196 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/200 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 175/375 variables, 200/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/408 variables, 32/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:41:40] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:41:40] [INFO ] Deduced a trap composed of 12 places in 80 ms of which 7 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 672 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 921ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 235 ms.
Support contains 2 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 176/176 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 232 transition count 174
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 232 transition count 174
Applied a total of 7 rules in 35 ms. Remains 232 /232 variables (removed 0) and now considering 174/176 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 232/232 places, 174/176 transitions.
RANDOM walk for 40000 steps (520 resets) in 206 ms. (193 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (97 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1130390 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 1
Probabilistic random walk after 1130390 steps, saw 158227 distinct states, run finished after 3001 ms. (steps per millisecond=376 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 16:41:44] [INFO ] Computed 60 invariants in 14 ms
[2025-05-31 16:41:44] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 81/85 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/203 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/377 variables, 203/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/377 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 29/406 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 278 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 81/85 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/203 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:41:45] [INFO ] Deduced a trap composed of 11 places in 91 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/203 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/377 variables, 203/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 29/406 variables, 29/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 614 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 941ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 114 ms.
Support contains 2 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 9 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 232/232 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 9 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2025-05-31 16:41:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:41:45] [INFO ] Implicit Places using invariants in 232 ms returned []
[2025-05-31 16:41:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:41:45] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 16:41:46] [INFO ] Implicit Places using invariants and state equation in 488 ms returned []
Implicit Place search using SMT with State Equation took 735 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:41:46] [INFO ] Redundant transitions in 1 ms returned []
Running 173 sub problems to find dead transitions.
[2025-05-31 16:41:46] [INFO ] Invariant cache hit.
[2025-05-31 16:41:46] [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) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/406 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:41:54] [INFO ] Deduced a trap composed of 12 places in 108 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:41:55] [INFO ] Deduced a trap composed of 7 places in 86 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:02] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:04] [INFO ] Deduced a trap composed of 6 places in 83 ms of which 7 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/406 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:07] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:07] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:07] [INFO ] Deduced a trap composed of 17 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:07] [INFO ] Deduced a trap composed of 8 places in 83 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 4/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 406/406 variables, and 302 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 8/68 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:19] [INFO ] Deduced a trap composed of 9 places in 80 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:21] [INFO ] Deduced a trap composed of 10 places in 64 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (OVERLAPS) 174/406 variables, 232/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 2/304 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 173/477 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:46] [INFO ] Deduced a trap composed of 36 places in 72 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 478 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60123ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 60124ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60877 ms. Remains : 232/232 places, 174/174 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 22 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-31 16:42:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 16:42:46] [INFO ] After 129ms 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
[2025-05-31 16:42:46] [INFO ] [Nat]Absence check using 35 positive place invariants in 16 ms returned sat
[2025-05-31 16:42:46] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 37 ms returned sat
[2025-05-31 16:42:47] [INFO ] After 236ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 16:42:47] [INFO ] After 294ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 16:42:47] [INFO ] After 496ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 678 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 132 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 104 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 232 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 18 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 16:42:47] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:42:47] [INFO ] Implicit Places using invariants in 444 ms returned []
[2025-05-31 16:42:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:42:48] [INFO ] Implicit Places using invariants and state equation in 686 ms returned []
Implicit Place search using SMT with State Equation took 1132 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:42:48] [INFO ] Redundant transitions in 3 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 16:42:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:56] [INFO ] Deduced a trap composed of 12 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:56] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:42:57] [INFO ] Deduced a trap composed of 9 places in 151 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:43:03] [INFO ] Deduced a trap along path composed of 15 places in 58 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 26555 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:43:16] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 56646ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 56647ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57810 ms. Remains : 232/232 places, 176/176 transitions.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 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 134 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 99 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (870 resets) in 196 ms. (203 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (205 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 925301 steps, run timeout after 3001 ms. (steps per millisecond=308 ) properties seen :0 out of 1
Probabilistic random walk after 925301 steps, saw 134410 distinct states, run finished after 3004 ms. (steps per millisecond=308 ) properties seen :0
[2025-05-31 16:43:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/77 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/196 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/200 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 175/375 variables, 200/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/408 variables, 32/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 222 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/77 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/196 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/200 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/200 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 175/375 variables, 200/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/408 variables, 32/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:43:49] [INFO ] Deduced a trap composed of 10 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:43:49] [INFO ] Deduced a trap composed of 12 places in 103 ms of which 7 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 2/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 864 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1093ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 168 ms.
Support contains 2 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 176/176 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 232 transition count 174
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 232 transition count 174
Applied a total of 7 rules in 28 ms. Remains 232 /232 variables (removed 0) and now considering 174/176 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 232/232 places, 174/176 transitions.
RANDOM walk for 40000 steps (539 resets) in 196 ms. (203 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (99 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1066771 steps, run timeout after 3001 ms. (steps per millisecond=355 ) properties seen :0 out of 1
Probabilistic random walk after 1066771 steps, saw 149994 distinct states, run finished after 3001 ms. (steps per millisecond=355 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 16:43:53] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 16:43:53] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 81/85 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/203 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/377 variables, 203/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/377 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 29/406 variables, 29/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 1 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 81/85 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/203 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:43:53] [INFO ] Deduced a trap composed of 11 places in 92 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/203 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/377 variables, 203/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/377 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 29/406 variables, 29/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 296 constraints, problems are : Problem set: 0 solved, 1 unsolved in 619 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 824ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 169 ms.
Support contains 2 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 13 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 232/232 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 13 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2025-05-31 16:43:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:43:54] [INFO ] Implicit Places using invariants in 433 ms returned []
[2025-05-31 16:43:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:43:54] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 16:43:55] [INFO ] Implicit Places using invariants and state equation in 775 ms returned []
Implicit Place search using SMT with State Equation took 1210 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:43:55] [INFO ] Redundant transitions in 2 ms returned []
Running 173 sub problems to find dead transitions.
[2025-05-31 16:43:55] [INFO ] Invariant cache hit.
[2025-05-31 16:43:55] [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) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/406 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 2/294 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:03] [INFO ] Deduced a trap composed of 12 places in 98 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:04] [INFO ] Deduced a trap composed of 7 places in 82 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:13] [INFO ] Deduced a trap composed of 38 places in 104 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:14] [INFO ] Deduced a trap composed of 6 places in 83 ms of which 7 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/406 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:17] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:18] [INFO ] Deduced a trap composed of 16 places in 116 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:18] [INFO ] Deduced a trap composed of 17 places in 115 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:18] [INFO ] Deduced a trap composed of 8 places in 114 ms of which 14 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 4/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 406/406 variables, and 302 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 8/68 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:28] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:44:30] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (OVERLAPS) 174/406 variables, 232/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 2/304 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 173/477 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 477 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60086ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 60087ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61319 ms. Remains : 232/232 places, 174/174 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 8 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-31 16:44:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 16:44:55] [INFO ] After 55ms 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
[2025-05-31 16:44:55] [INFO ] [Nat]Absence check using 35 positive place invariants in 11 ms returned sat
[2025-05-31 16:44:55] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 23 ms returned sat
[2025-05-31 16:44:55] [INFO ] After 150ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 16:44:55] [INFO ] After 183ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 16:44:55] [INFO ] After 308ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 376 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 100 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 102 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2230 reset in 362 ms.
Product exploration explored 100000 steps with 2214 reset in 373 ms.
Built C files in :
/tmp/ltsmin3551034808942956789
[2025-05-31 16:44:56] [INFO ] Computing symmetric may disable matrix : 176 transitions.
[2025-05-31 16:44:56] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:44:56] [INFO ] Computing symmetric may enable matrix : 176 transitions.
[2025-05-31 16:44:56] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:44:56] [INFO ] Computing Do-Not-Accords matrix : 176 transitions.
[2025-05-31 16:44:56] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:44:56] [INFO ] Built C files in 49ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3551034808942956789
Running compilation step : cd /tmp/ltsmin3551034808942956789;'/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 1110 ms.
Running link step : cd /tmp/ltsmin3551034808942956789;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 85 ms.
Running LTSmin : cd /tmp/ltsmin3551034808942956789;'/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/stateBased4766031673208198133.hoa' '--buchi-type=spotba'
LTSmin run took 3926 ms.
FORMULA DES-PT-30a-LTLFireability-00 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-30a-LTLFireability-00 finished in 266364 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((F(p0)||X(X(p1))) U !p2)&&X(F(p1))))'
Support contains 5 out of 233 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 7 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 16:45:02] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:45:02] [INFO ] Implicit Places using invariants in 269 ms returned []
[2025-05-31 16:45:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:45:02] [INFO ] Implicit Places using invariants and state equation in 520 ms returned []
Implicit Place search using SMT with State Equation took 792 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 16:45:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:45:10] [INFO ] Deduced a trap composed of 12 places in 109 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:45:10] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:45:11] [INFO ] Deduced a trap composed of 9 places in 136 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:45:17] [INFO ] Deduced a trap along path composed of 15 places in 51 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 27949 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:45:32] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 58031ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 58032ms
Starting structural reductions in LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58833 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 245 ms :[(OR (NOT p1) p2), p2, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : DES-PT-30a-LTLFireability-01
Stuttering criterion allowed to conclude after 39 steps with 0 reset in 1 ms.
FORMULA DES-PT-30a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30a-LTLFireability-01 finished in 59103 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 3 out of 233 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 5 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
[2025-05-31 16:46:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:46:01] [INFO ] Implicit Places using invariants in 368 ms returned []
[2025-05-31 16:46:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:46:02] [INFO ] Implicit Places using invariants and state equation in 611 ms returned []
Implicit Place search using SMT with State Equation took 997 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 16:46:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:46:09] [INFO ] Deduced a trap composed of 12 places in 140 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:46:10] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:46:10] [INFO ] Deduced a trap composed of 9 places in 146 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:46:16] [INFO ] Deduced a trap along path composed of 15 places in 54 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 28667 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:46:32] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 58747ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 58748ms
Starting structural reductions in LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 59752 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 141 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-30a-LTLFireability-02
Stuttering criterion allowed to conclude after 76 steps with 1 reset in 0 ms.
FORMULA DES-PT-30a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30a-LTLFireability-02 finished in 59906 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(((p1 U p2)&&F(p1)))&&p0)))'
Support contains 6 out of 233 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 17 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
[2025-05-31 16:47:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:47:01] [INFO ] Implicit Places using invariants in 303 ms returned []
[2025-05-31 16:47:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:47:01] [INFO ] Implicit Places using invariants and state equation in 547 ms returned []
Implicit Place search using SMT with State Equation took 853 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:47:01] [INFO ] Redundant transitions in 1 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 16:47:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:47:08] [INFO ] Deduced a trap composed of 12 places in 99 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:47:09] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:47:09] [INFO ] Deduced a trap composed of 9 places in 81 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:47:14] [INFO ] Deduced a trap along path composed of 15 places in 51 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 26711 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:47:30] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 56759ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 56760ms
Starting structural reductions in SI_LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57637 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 183 ms :[(OR (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (OR (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : DES-PT-30a-LTLFireability-03
Stuttering criterion allowed to conclude after 68 steps with 0 reset in 1 ms.
FORMULA DES-PT-30a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30a-LTLFireability-03 finished in 57838 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U p1)&&X(!(p1 U p0))))'
Support contains 3 out of 233 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Applied a total of 0 rules in 3 ms. Remains 233 /233 variables (removed 0) and now considering 177/177 (removed 0) transitions.
// Phase 1: matrix 177 rows 233 cols
[2025-05-31 16:47:58] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:47:59] [INFO ] Implicit Places using invariants in 514 ms returned []
[2025-05-31 16:47:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:48:00] [INFO ] Implicit Places using invariants and state equation in 678 ms returned []
Implicit Place search using SMT with State Equation took 1194 ms to find 0 implicit places.
Running 176 sub problems to find dead transitions.
[2025-05-31 16:48:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/232 variables, 232/232 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/232 variables, 12/244 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/232 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 176 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1/233 variables, 32/276 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/233 variables, 14/291 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/233 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (OVERLAPS) 177/410 variables, 233/524 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:48:08] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:48:09] [INFO ] Deduced a trap composed of 16 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:48:09] [INFO ] Deduced a trap composed of 17 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:48:09] [INFO ] Deduced a trap composed of 18 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:48:10] [INFO ] Deduced a trap composed of 12 places in 123 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/410 variables, 5/529 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:48:12] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/410 variables, 1/530 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:48:16] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/410 variables, 1/531 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/410 variables, 0/531 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 12 (OVERLAPS) 0/410 variables, 0/531 constraints. Problems are: Problem set: 0 solved, 176 unsolved
No progress, stopping.
After SMT solving in domain Real declared 410/410 variables, and 531 constraints, problems are : Problem set: 0 solved, 176 unsolved in 27121 ms.
Refiners :[Domain max(s): 233/233 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 233/233 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 176 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/232 variables, 232/232 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/232 variables, 12/244 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/232 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 3 (OVERLAPS) 1/233 variables, 32/276 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/233 variables, 14/291 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/233 variables, 7/298 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/233 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 8 (OVERLAPS) 177/410 variables, 233/531 constraints. Problems are: Problem set: 0 solved, 176 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/410 variables, 176/707 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 410/410 variables, and 707 constraints, problems are : Problem set: 0 solved, 176 unsolved in 30015 ms.
Refiners :[Domain max(s): 233/233 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 233/233 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57182ms problems are : Problem set: 0 solved, 176 unsolved
Search for dead transitions found 0 dead transitions in 57183ms
Finished structural reductions in LTL mode , in 1 iterations and 58380 ms. Remains : 233/233 places, 177/177 transitions.
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p1) p0), p0, (NOT p0), (NOT p1), true]
Running random walk in product with property : DES-PT-30a-LTLFireability-04
Stuttering criterion allowed to conclude after 109 steps with 6 reset in 1 ms.
FORMULA DES-PT-30a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30a-LTLFireability-04 finished in 58557 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)||(X(p1)&&F(p2)))))&&F(p3)))'
Support contains 9 out of 233 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 5 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 16:48:57] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:48:57] [INFO ] Implicit Places using invariants in 266 ms returned []
[2025-05-31 16:48:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:48:58] [INFO ] Implicit Places using invariants and state equation in 665 ms returned []
Implicit Place search using SMT with State Equation took 933 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 16:48:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:49:05] [INFO ] Deduced a trap composed of 12 places in 112 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:49:05] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:49:05] [INFO ] Deduced a trap composed of 9 places in 90 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:49:11] [INFO ] Deduced a trap along path composed of 15 places in 59 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 26138 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:49:26] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 56206ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 56208ms
Starting structural reductions in LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57146 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 244 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p3), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : DES-PT-30a-LTLFireability-05
Stuttering criterion allowed to conclude after 24 steps with 0 reset in 1 ms.
FORMULA DES-PT-30a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30a-LTLFireability-05 finished in 57417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 233 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 233/233 places, 177/177 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 231 transition count 175
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 175
Applied a total of 2 rules in 25 ms. Remains 231 /233 variables (removed 2) and now considering 175/177 (removed 2) transitions.
// Phase 1: matrix 175 rows 231 cols
[2025-05-31 16:49:54] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:49:55] [INFO ] Implicit Places using invariants in 384 ms returned []
[2025-05-31 16:49:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:49:55] [INFO ] Implicit Places using invariants and state equation in 555 ms returned []
Implicit Place search using SMT with State Equation took 942 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:49:55] [INFO ] Redundant transitions in 1 ms returned []
Running 172 sub problems to find dead transitions.
[2025-05-31 16:49:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 175/405 variables, 230/288 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:50:02] [INFO ] Deduced a trap composed of 11 places in 124 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:50:03] [INFO ] Deduced a trap composed of 9 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:50:03] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 1/406 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:50:20] [INFO ] Deduced a trap composed of 8 places in 97 ms of which 6 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/406 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:50:22] [INFO ] Deduced a trap composed of 16 places in 129 ms of which 16 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 5/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (OVERLAPS) 175/405 variables, 230/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 172/465 constraints. Problems are: Problem set: 0 solved, 172 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 Int declared 405/406 variables, and 465 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60082ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 60083ms
Starting structural reductions in SI_LTL mode, iteration 1 : 231/233 places, 175/177 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61058 ms. Remains : 231/233 places, 175/177 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-30a-LTLFireability-06
Product exploration explored 100000 steps with 2248 reset in 277 ms.
Product exploration explored 100000 steps with 2275 reset in 317 ms.
Computed a total of 134 stabilizing places and 129 stable transitions
Computed a total of 134 stabilizing places and 129 stable transitions
Detected a total of 134/231 stabilizing places and 129/175 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 92 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
RANDOM walk for 40000 steps (881 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (182 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1092483 steps, run timeout after 3001 ms. (steps per millisecond=364 ) properties seen :0 out of 1
Probabilistic random walk after 1092483 steps, saw 155458 distinct states, run finished after 3001 ms. (steps per millisecond=364 ) properties seen :0
[2025-05-31 16:50:59] [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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/343 variables, 8/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/343 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 33/376 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/376 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 30/406 variables, 30/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 443 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/329 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/343 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 33/376 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/376 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 30/406 variables, 30/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 589 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1042ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 229 ms.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 175/175 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 231 transition count 173
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 231 transition count 173
Applied a total of 4 rules in 17 ms. Remains 231 /231 variables (removed 0) and now considering 173/175 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 231/231 places, 173/175 transitions.
RANDOM walk for 40000 steps (654 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (117 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1204929 steps, run timeout after 3001 ms. (steps per millisecond=401 ) properties seen :0 out of 1
Probabilistic random walk after 1204929 steps, saw 169048 distinct states, run finished after 3004 ms. (steps per millisecond=401 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 16:51:04] [INFO ] Computed 60 invariants in 2 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/342 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 291 constraints, problems are : Problem set: 0 solved, 1 unsolved in 243 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/328 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/342 variables, 8/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:04] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 544 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 796ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 342 ms.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 7 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 7 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2025-05-31 16:51:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:51:05] [INFO ] Implicit Places using invariants in 293 ms returned []
[2025-05-31 16:51:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:51:06] [INFO ] Implicit Places using invariants and state equation in 482 ms returned []
Implicit Place search using SMT with State Equation took 777 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:51:06] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2025-05-31 16:51:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:10] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:12] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:12] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:12] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 4/294 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:14] [INFO ] Deduced a trap composed of 9 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:14] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (OVERLAPS) 1/404 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:20] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:20] [INFO ] Deduced a trap composed of 16 places in 124 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/404 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:23] [INFO ] Deduced a trap composed of 37 places in 96 ms of which 14 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/404 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 300 constraints, problems are : Problem set: 0 solved, 170 unsolved in 25930 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 8/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 170/469 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:51:51] [INFO ] Deduced a trap composed of 8 places in 64 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 403/404 variables, and 470 constraints, problems are : Problem set: 0 solved, 170 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55975ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 55976ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56767 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 11 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 16:52:02] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 16:52:02] [INFO ] After 59ms 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
[2025-05-31 16:52:02] [INFO ] [Nat]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-05-31 16:52:02] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 21 ms returned sat
[2025-05-31 16:52:02] [INFO ] After 135ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 16:52:02] [INFO ] After 159ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 16:52:02] [INFO ] After 272ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 351 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 98 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 231/231 places, 175/175 transitions.
Applied a total of 0 rules in 6 ms. Remains 231 /231 variables (removed 0) and now considering 175/175 (removed 0) transitions.
// Phase 1: matrix 175 rows 231 cols
[2025-05-31 16:52:02] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:52:02] [INFO ] Implicit Places using invariants in 252 ms returned []
[2025-05-31 16:52:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:52:03] [INFO ] Implicit Places using invariants and state equation in 434 ms returned []
Implicit Place search using SMT with State Equation took 691 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:52:03] [INFO ] Redundant transitions in 0 ms returned []
Running 172 sub problems to find dead transitions.
[2025-05-31 16:52:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 175/405 variables, 230/288 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:52:08] [INFO ] Deduced a trap composed of 11 places in 82 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:52:08] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:52:08] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 1/406 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:52:20] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 5 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/406 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:52:21] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 11 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 172 unsolved in 29435 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 5/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (OVERLAPS) 175/405 variables, 230/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 172/465 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/406 variables, and 465 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59483ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 59484ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60189 ms. Remains : 231/231 places, 175/175 transitions.
Computed a total of 134 stabilizing places and 129 stable transitions
Computed a total of 134 stabilizing places and 129 stable transitions
Detected a total of 134/231 stabilizing places and 129/175 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 131 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
RANDOM walk for 40000 steps (912 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (177 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1226056 steps, run timeout after 3001 ms. (steps per millisecond=408 ) properties seen :0 out of 1
Probabilistic random walk after 1226056 steps, saw 174134 distinct states, run finished after 3001 ms. (steps per millisecond=408 ) properties seen :0
[2025-05-31 16:53:06] [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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/343 variables, 8/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/343 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 33/376 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/376 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 30/406 variables, 30/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/329 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/343 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 33/376 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/376 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 30/406 variables, 30/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 385 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 666ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 206 ms.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 175/175 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 231 transition count 173
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 231 transition count 173
Applied a total of 4 rules in 11 ms. Remains 231 /231 variables (removed 0) and now considering 173/175 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 231/231 places, 173/175 transitions.
RANDOM walk for 40000 steps (647 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (115 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1288947 steps, run timeout after 3001 ms. (steps per millisecond=429 ) properties seen :0 out of 1
Probabilistic random walk after 1288947 steps, saw 179769 distinct states, run finished after 3001 ms. (steps per millisecond=429 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 16:53:10] [INFO ] Computed 60 invariants in 2 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/342 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 291 constraints, problems are : Problem set: 0 solved, 1 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/328 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/342 variables, 8/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:10] [INFO ] Deduced a trap composed of 5 places in 23 ms of which 3 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 441 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 680ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 220 ms.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 10 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2025-05-31 16:53:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:53:11] [INFO ] Implicit Places using invariants in 243 ms returned []
[2025-05-31 16:53:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:53:11] [INFO ] Implicit Places using invariants and state equation in 458 ms returned []
Implicit Place search using SMT with State Equation took 703 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:53:11] [INFO ] Redundant transitions in 0 ms returned []
Running 170 sub problems to find dead transitions.
[2025-05-31 16:53:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:15] [INFO ] Deduced a trap composed of 5 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:17] [INFO ] Deduced a trap composed of 11 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:17] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:17] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 4/294 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:19] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:19] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (OVERLAPS) 1/404 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:23] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:23] [INFO ] Deduced a trap composed of 16 places in 88 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/404 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:25] [INFO ] Deduced a trap composed of 37 places in 94 ms of which 12 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/404 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 13 (OVERLAPS) 0/404 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 300 constraints, problems are : Problem set: 0 solved, 170 unsolved in 22634 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 8/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 170/469 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:53:53] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 403/404 variables, and 470 constraints, problems are : Problem set: 0 solved, 170 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52676ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 52677ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53397 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 9 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 16:54:04] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 16:54:04] [INFO ] After 54ms 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
[2025-05-31 16:54:04] [INFO ] [Nat]Absence check using 35 positive place invariants in 13 ms returned sat
[2025-05-31 16:54:04] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 31 ms returned sat
[2025-05-31 16:54:04] [INFO ] After 209ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 16:54:04] [INFO ] After 240ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 16:54:04] [INFO ] After 394ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 464 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 109 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2297 reset in 268 ms.
Product exploration explored 100000 steps with 2277 reset in 350 ms.
Built C files in :
/tmp/ltsmin5822646883919486787
[2025-05-31 16:54:05] [INFO ] Computing symmetric may disable matrix : 175 transitions.
[2025-05-31 16:54:05] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:54:05] [INFO ] Computing symmetric may enable matrix : 175 transitions.
[2025-05-31 16:54:05] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:54:05] [INFO ] Computing Do-Not-Accords matrix : 175 transitions.
[2025-05-31 16:54:05] [INFO ] Computation of Completed DNA matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:54:05] [INFO ] Built C files in 45ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5822646883919486787
Running compilation step : cd /tmp/ltsmin5822646883919486787;'/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 618 ms.
Running link step : cd /tmp/ltsmin5822646883919486787;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 54 ms.
Running LTSmin : cd /tmp/ltsmin5822646883919486787;'/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/stateBased15380638024652041203.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 231/231 places, 175/175 transitions.
Applied a total of 0 rules in 6 ms. Remains 231 /231 variables (removed 0) and now considering 175/175 (removed 0) transitions.
// Phase 1: matrix 175 rows 231 cols
[2025-05-31 16:54:20] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:54:21] [INFO ] Implicit Places using invariants in 230 ms returned []
[2025-05-31 16:54:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:54:21] [INFO ] Implicit Places using invariants and state equation in 483 ms returned []
Implicit Place search using SMT with State Equation took 715 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:54:21] [INFO ] Redundant transitions in 0 ms returned []
Running 172 sub problems to find dead transitions.
[2025-05-31 16:54:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 175/405 variables, 230/288 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:54:27] [INFO ] Deduced a trap composed of 11 places in 97 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:54:27] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:54:27] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 1/406 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:54:38] [INFO ] Deduced a trap composed of 8 places in 63 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/406 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:54:39] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (OVERLAPS) 0/406 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 172 unsolved in 28075 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 5/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (OVERLAPS) 175/405 variables, 230/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 172/465 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/406 variables, and 465 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58132ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 58134ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 58861 ms. Remains : 231/231 places, 175/175 transitions.
Built C files in :
/tmp/ltsmin16756305304767426993
[2025-05-31 16:55:19] [INFO ] Computing symmetric may disable matrix : 175 transitions.
[2025-05-31 16:55:19] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:55:19] [INFO ] Computing symmetric may enable matrix : 175 transitions.
[2025-05-31 16:55:19] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:55:19] [INFO ] Computing Do-Not-Accords matrix : 175 transitions.
[2025-05-31 16:55:19] [INFO ] Computation of Completed DNA matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 16:55:19] [INFO ] Built C files in 28ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16756305304767426993
Running compilation step : cd /tmp/ltsmin16756305304767426993;'/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 808 ms.
Running link step : cd /tmp/ltsmin16756305304767426993;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin16756305304767426993;'/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/stateBased12750375139256398096.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 16:55:34] [INFO ] Flatten gal took : 32 ms
[2025-05-31 16:55:34] [INFO ] Flatten gal took : 29 ms
[2025-05-31 16:55:34] [INFO ] Time to serialize gal into /tmp/LTL15073660803267134400.gal : 9 ms
[2025-05-31 16:55:34] [INFO ] Time to serialize properties into /tmp/LTL15770592397270555092.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15073660803267134400.gal' '-t' 'CGAL' '-hoa' '/tmp/aut566697817156390323.hoa' '-atoms' '/tmp/LTL15770592397270555092.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL15770592397270555092.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut566697817156390323.hoa
Detected timeout of ITS tools.
[2025-05-31 16:55:50] [INFO ] Flatten gal took : 18 ms
[2025-05-31 16:55:50] [INFO ] Flatten gal took : 18 ms
[2025-05-31 16:55:50] [INFO ] Time to serialize gal into /tmp/LTL14562969913458011126.gal : 4 ms
[2025-05-31 16:55:50] [INFO ] Time to serialize properties into /tmp/LTL1697420357435528850.ltl : 11 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14562969913458011126.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1697420357435528850.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((F(G("(((p12==0)||(p152==0))||(p154==0))"))))
Formula 0 simplified : GF!"(((p12==0)||(p152==0))||(p154==0))"
Detected timeout of ITS tools.
[2025-05-31 16:56:05] [INFO ] Flatten gal took : 16 ms
[2025-05-31 16:56:05] [INFO ] Applying decomposition
[2025-05-31 16:56:05] [INFO ] Flatten gal took : 15 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4189189814896701410.txt' '-o' '/tmp/graph4189189814896701410.bin' '-w' '/tmp/graph4189189814896701410.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4189189814896701410.bin' '-l' '-1' '-v' '-w' '/tmp/graph4189189814896701410.weights' '-q' '0' '-e' '0.001'
[2025-05-31 16:56:05] [INFO ] Decomposing Gal with order
[2025-05-31 16:56:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 16:56:05] [INFO ] Removed a total of 33 redundant transitions.
[2025-05-31 16:56:05] [INFO ] Flatten gal took : 113 ms
[2025-05-31 16:56:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 25 labels/synchronizations in 11 ms.
[2025-05-31 16:56:05] [INFO ] Time to serialize gal into /tmp/LTL16046573299615916295.gal : 9 ms
[2025-05-31 16:56:05] [INFO ] Time to serialize properties into /tmp/LTL16438262988524854125.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16046573299615916295.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16438262988524854125.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((F(G("(((i3.u14.p12==0)||(i3.u13.p152==0))||(i3.u14.p154==0))"))))
Formula 0 simplified : GF!"(((i3.u14.p12==0)||(i3.u13.p152==0))||(i3.u14.p154==0))"
Detected timeout of ITS tools.
Treatment of property DES-PT-30a-LTLFireability-06 finished in 385622 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))'
Support contains 3 out of 233 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 233/233 places, 177/177 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 231 transition count 175
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 175
Applied a total of 2 rules in 10 ms. Remains 231 /233 variables (removed 2) and now considering 175/177 (removed 2) transitions.
[2025-05-31 16:56:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:56:20] [INFO ] Implicit Places using invariants in 262 ms returned []
[2025-05-31 16:56:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:56:21] [INFO ] Implicit Places using invariants and state equation in 448 ms returned []
Implicit Place search using SMT with State Equation took 717 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:56:21] [INFO ] Redundant transitions in 1 ms returned []
Running 172 sub problems to find dead transitions.
[2025-05-31 16:56:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 175/405 variables, 230/288 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:56:28] [INFO ] Deduced a trap composed of 11 places in 158 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:56:29] [INFO ] Deduced a trap composed of 9 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:56:29] [INFO ] Deduced a trap composed of 11 places in 64 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 1/406 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:56:46] [INFO ] Deduced a trap composed of 8 places in 101 ms of which 6 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/406 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:56:48] [INFO ] Deduced a trap composed of 16 places in 134 ms of which 16 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 172 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 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 5/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (OVERLAPS) 175/405 variables, 230/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 172/465 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/406 variables, and 465 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60064ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 60065ms
Starting structural reductions in SI_LTL mode, iteration 1 : 231/233 places, 175/177 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60807 ms. Remains : 231/233 places, 175/177 transitions.
Stuttering acceptance computed with spot in 75 ms :[true, (NOT p0)]
Running random walk in product with property : DES-PT-30a-LTLFireability-07
Product exploration explored 100000 steps with 2243 reset in 353 ms.
Product exploration explored 100000 steps with 2273 reset in 430 ms.
Computed a total of 134 stabilizing places and 129 stable transitions
Computed a total of 134 stabilizing places and 129 stable transitions
Detected a total of 134/231 stabilizing places and 129/175 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 123 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 51 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (898 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (178 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1226114 steps, run timeout after 3001 ms. (steps per millisecond=408 ) properties seen :0 out of 1
Probabilistic random walk after 1226114 steps, saw 174139 distinct states, run finished after 3001 ms. (steps per millisecond=408 ) properties seen :0
[2025-05-31 16:57:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/343 variables, 8/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/343 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 33/376 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/376 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 30/406 variables, 30/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 246 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/329 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/343 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 33/376 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/376 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 30/406 variables, 30/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 644 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 895ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 411 ms.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 175/175 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 231 transition count 173
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 231 transition count 173
Applied a total of 4 rules in 16 ms. Remains 231 /231 variables (removed 0) and now considering 173/175 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 231/231 places, 173/175 transitions.
RANDOM walk for 40000 steps (652 resets) in 197 ms. (202 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (112 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1165073 steps, run timeout after 3001 ms. (steps per millisecond=388 ) properties seen :0 out of 1
Probabilistic random walk after 1165073 steps, saw 163654 distinct states, run finished after 3001 ms. (steps per millisecond=388 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 16:57:29] [INFO ] Computed 60 invariants in 2 ms
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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/342 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 291 constraints, problems are : Problem set: 0 solved, 1 unsolved in 359 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/328 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/342 variables, 8/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:30] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 4 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 723 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1088ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 428 ms.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 7 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 231/231 places, 173/173 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 173/173 transitions.
Applied a total of 0 rules in 7 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
[2025-05-31 16:57:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:57:31] [INFO ] Implicit Places using invariants in 409 ms returned []
[2025-05-31 16:57:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:57:32] [INFO ] Implicit Places using invariants and state equation in 704 ms returned []
Implicit Place search using SMT with State Equation took 1115 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:57:32] [INFO ] Redundant transitions in 1 ms returned []
Running 170 sub problems to find dead transitions.
[2025-05-31 16:57:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/230 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (OVERLAPS) 173/403 variables, 230/290 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:39] [INFO ] Deduced a trap composed of 5 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:41] [INFO ] Deduced a trap composed of 11 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:41] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:41] [INFO ] Deduced a trap composed of 9 places in 92 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 4/294 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:43] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:43] [INFO ] Deduced a trap composed of 11 places in 57 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 2/296 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/403 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 9 (OVERLAPS) 1/404 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:50] [INFO ] Deduced a trap composed of 15 places in 151 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:51] [INFO ] Deduced a trap composed of 16 places in 165 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/404 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:57:53] [INFO ] Deduced a trap composed of 37 places in 135 ms of which 19 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/404 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 404/404 variables, and 300 constraints, problems are : Problem set: 0 solved, 170 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 8/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 6 (OVERLAPS) 173/403 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 170 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/403 variables, 170/469 constraints. Problems are: Problem set: 0 solved, 170 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:58:24] [INFO ] Deduced a trap composed of 8 places in 76 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 403/404 variables, and 470 constraints, problems are : Problem set: 0 solved, 170 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 170/170 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60083ms problems are : Problem set: 0 solved, 170 unsolved
Search for dead transitions found 0 dead transitions in 60085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61218 ms. Remains : 231/231 places, 173/173 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 231 transition count 173
Applied a total of 1 rules in 11 ms. Remains 231 /231 variables (removed 0) and now considering 173/173 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 16:58:32] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 16:58:32] [INFO ] [Real]Absence check using 35 positive place invariants in 11 ms returned sat
[2025-05-31 16:58:32] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 21 ms returned sat
[2025-05-31 16:58:32] [INFO ] After 100ms 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
[2025-05-31 16:58:32] [INFO ] [Nat]Absence check using 35 positive place invariants in 9 ms returned sat
[2025-05-31 16:58:32] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 21 ms returned sat
[2025-05-31 16:58:32] [INFO ] After 135ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 16:58:33] [INFO ] After 157ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 16:58:33] [INFO ] After 269ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 385 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 93 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 46 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 45 ms :[true, (NOT p0)]
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 231/231 places, 175/175 transitions.
Applied a total of 0 rules in 5 ms. Remains 231 /231 variables (removed 0) and now considering 175/175 (removed 0) transitions.
// Phase 1: matrix 175 rows 231 cols
[2025-05-31 16:58:33] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:58:33] [INFO ] Implicit Places using invariants in 255 ms returned []
[2025-05-31 16:58:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:58:33] [INFO ] Implicit Places using invariants and state equation in 476 ms returned []
Implicit Place search using SMT with State Equation took 733 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:58:33] [INFO ] Redundant transitions in 1 ms returned []
Running 172 sub problems to find dead transitions.
[2025-05-31 16:58:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 2/230 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (OVERLAPS) 175/405 variables, 230/288 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:58:39] [INFO ] Deduced a trap composed of 11 places in 161 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:58:40] [INFO ] Deduced a trap composed of 9 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:58:40] [INFO ] Deduced a trap composed of 11 places in 65 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/405 variables, 3/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 1/406 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:58:56] [INFO ] Deduced a trap composed of 8 places in 105 ms of which 7 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/406 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:58:58] [INFO ] Deduced a trap composed of 16 places in 155 ms of which 16 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 406/406 variables, and 294 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/228 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/228 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 5/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/228 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (OVERLAPS) 2/230 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (OVERLAPS) 175/405 variables, 230/293 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/405 variables, 172/465 constraints. Problems are: Problem set: 0 solved, 172 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 405/406 variables, and 465 constraints, problems are : Problem set: 0 solved, 172 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 230/231 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60060ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 60061ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60806 ms. Remains : 231/231 places, 175/175 transitions.
Computed a total of 134 stabilizing places and 129 stable transitions
Computed a total of 134 stabilizing places and 129 stable transitions
Detected a total of 134/231 stabilizing places and 129/175 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 101 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 46 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (916 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (190 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1124126 steps, run timeout after 3001 ms. (steps per millisecond=374 ) properties seen :0 out of 1
Probabilistic random walk after 1124126 steps, saw 160196 distinct states, run finished after 3001 ms. (steps per millisecond=374 ) properties seen :0
[2025-05-31 16:59:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/343 variables, 8/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/343 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 33/376 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/376 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 30/406 variables, 30/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/406 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 252 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/125 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/154 variables, 20/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 29/183 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 139/329 variables, 190/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/329 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/343 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/343 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/343 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 33/376 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/376 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/376 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 30/406 variables, 30/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/406 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 466 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 722ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 316 ms.
Support contains 3 out of 231 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 231/231 places, 175/175 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 231 transition count 173
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 231 transition count 173
Applied a total of 4 rules in 12 ms. Remains 231 /231 variables (removed 0) and now considering 173/175 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 231/231 places, 173/175 transitions.
RANDOM walk for 40000 steps (641 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (107 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1130773 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 1
Probabilistic random walk after 1130773 steps, saw 158588 distinct states, run finished after 3001 ms. (steps per millisecond=376 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 16:59:41] [INFO ] Computed 60 invariants in 2 ms
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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/342 variables, 8/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/342 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/343 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/343 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 32/375 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/375 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 29/404 variables, 29/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/404 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 291 constraints, problems are : Problem set: 0 solved, 1 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 123/128 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/159 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 138/328 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/328 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/342 variables, 8/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:59:42] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 4 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 701 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 964ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 65151 steps, including 154 resets, run visited all 1 properties in 249 ms. (steps per millisecond=261 )
Parikh walk visited 1 properties in 259 ms.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 4 factoid took 171 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-30a-LTLFireability-07 FALSE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-30a-LTLFireability-07 finished in 202265 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)||(!p1 U (G(!p1)||(!p1&&(p1 U p2))))))'
Support contains 5 out of 233 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 14 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 16:59:42] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:59:43] [INFO ] Implicit Places using invariants in 340 ms returned []
[2025-05-31 16:59:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 16:59:43] [INFO ] Implicit Places using invariants and state equation in 626 ms returned []
Implicit Place search using SMT with State Equation took 979 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 16:59:43] [INFO ] Redundant transitions in 1 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 16:59:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:59:51] [INFO ] Deduced a trap composed of 12 places in 139 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:59:52] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:59:52] [INFO ] Deduced a trap composed of 9 places in 145 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 16:59:58] [INFO ] Deduced a trap along path composed of 15 places in 107 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 28893 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:00:14] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 58955ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 58956ms
Starting structural reductions in SI_LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59956 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 186 ms :[true, p1, (AND (NOT p0) p1), (NOT p0)]
Running random walk in product with property : DES-PT-30a-LTLFireability-08
Product exploration explored 100000 steps with 3200 reset in 415 ms.
Product exploration explored 100000 steps with 3241 reset in 449 ms.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (AND p0 (NOT p2) (NOT p1))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X p0)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 191 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter insensitive) to 4 states, 9 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 117 ms :[true, p1, (NOT p0), (AND (NOT p0) p1)]
RANDOM walk for 40000 steps (889 resets) in 323 ms. (123 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (183 resets) in 114 ms. (347 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (176 resets) in 122 ms. (325 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (172 resets) in 89 ms. (444 steps per ms) remains 3/3 properties
[2025-05-31 17:00:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 7/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 67/77 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 118/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 3 unsolved in 564 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 7/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 67/77 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 118/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 293 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3427 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3997ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2089 ms.
Support contains 3 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 176/176 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 232 transition count 174
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 232 transition count 174
Applied a total of 8 rules in 15 ms. Remains 232 /232 variables (removed 0) and now considering 174/176 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 232/232 places, 174/176 transitions.
RANDOM walk for 40000 steps (535 resets) in 198 ms. (201 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (75 resets) in 140 ms. (283 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (64 resets) in 91 ms. (434 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (70 resets) in 93 ms. (425 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 742084 steps, run timeout after 3001 ms. (steps per millisecond=247 ) properties seen :0 out of 3
Probabilistic random walk after 742084 steps, saw 106590 distinct states, run finished after 3001 ms. (steps per millisecond=247 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 17:00:53] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 17:00:53] [INFO ] State equation strengthened by 3 read => feed constraints.
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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 78/86 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 116/202 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 3 unsolved in 544 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 78/86 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 116/202 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:00:54] [INFO ] Deduced a trap composed of 6 places in 122 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:00:54] [INFO ] Deduced a trap composed of 16 places in 112 ms of which 11 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 300 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2770 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3321ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1469 ms.
Support contains 3 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 5 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 232/232 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 4 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2025-05-31 17:00:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:00:58] [INFO ] Implicit Places using invariants in 263 ms returned []
[2025-05-31 17:00:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:00:58] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-31 17:00:59] [INFO ] Implicit Places using invariants and state equation in 528 ms returned []
Implicit Place search using SMT with State Equation took 794 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:00:59] [INFO ] Redundant transitions in 0 ms returned []
Running 173 sub problems to find dead transitions.
[2025-05-31 17:00:59] [INFO ] Invariant cache hit.
[2025-05-31 17:00:59] [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) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/406 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:08] [INFO ] Deduced a trap composed of 12 places in 108 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:09] [INFO ] Deduced a trap composed of 16 places in 181 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:09] [INFO ] Deduced a trap composed of 17 places in 159 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:09] [INFO ] Deduced a trap composed of 7 places in 102 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 4/299 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:13] [INFO ] Deduced a trap composed of 8 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:14] [INFO ] Deduced a trap composed of 8 places in 93 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (OVERLAPS) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 301 constraints, problems are : Problem set: 0 solved, 173 unsolved in 29126 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 6/66 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:30] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:31] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:31] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:01:34] [INFO ] Deduced a trap composed of 9 places in 58 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (OVERLAPS) 174/406 variables, 232/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 3/305 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 173/478 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 478 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59178ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 59178ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59985 ms. Remains : 232/232 places, 174/174 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 232 transition count 174
Applied a total of 1 rules in 8 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 17:01:58] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 17:01:58] [INFO ] [Real]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-05-31 17:01:58] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 23 ms returned sat
[2025-05-31 17:01:58] [INFO ] After 106ms 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
[2025-05-31 17:01:58] [INFO ] [Nat]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-05-31 17:01:58] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 22 ms returned sat
[2025-05-31 17:01:59] [INFO ] After 341ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-05-31 17:01:59] [INFO ] After 537ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-05-31 17:01:59] [INFO ] After 916ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 1037 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (AND p0 (NOT p2) (NOT p1))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 (NOT p2) (NOT p1)))), (X (X p0)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2) p0))), (F (NOT (AND (NOT p1) (NOT p2)))), (F p2), (F (NOT p0)), (F (NOT (OR p1 p2 p0)))]
Knowledge based reduction with 18 factoid took 413 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter insensitive) to 4 states, 9 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 120 ms :[true, p1, (NOT p0), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 114 ms :[true, p1, (NOT p0), (AND (NOT p0) p1)]
Support contains 5 out of 232 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 5 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 17:02:00] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:02:00] [INFO ] Implicit Places using invariants in 235 ms returned []
[2025-05-31 17:02:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:02:00] [INFO ] Implicit Places using invariants and state equation in 430 ms returned []
Implicit Place search using SMT with State Equation took 667 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:02:00] [INFO ] Redundant transitions in 0 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 17:02:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:02:05] [INFO ] Deduced a trap composed of 12 places in 109 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:02:06] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:02:06] [INFO ] Deduced a trap composed of 9 places in 83 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:02:10] [INFO ] Deduced a trap along path composed of 15 places in 52 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 18258 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:02:20] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 48307ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 48309ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 48986 ms. Remains : 232/232 places, 176/176 transitions.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X p0), (X (NOT (AND p1 p0))), (X (AND (NOT p1) (NOT p2) p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) (NOT p2) p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 285 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter insensitive) to 4 states, 9 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 168 ms :[true, p1, (NOT p0), (AND (NOT p0) p1)]
RANDOM walk for 40000 steps (898 resets) in 267 ms. (149 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (188 resets) in 77 ms. (512 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (172 resets) in 75 ms. (526 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (181 resets) in 94 ms. (421 steps per ms) remains 3/3 properties
[2025-05-31 17:02:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 7/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 67/77 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 118/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 3 unsolved in 591 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 7/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 67/77 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 118/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 293 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3958 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4557ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1978 ms.
Support contains 3 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 176/176 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 232 transition count 174
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 232 transition count 174
Applied a total of 8 rules in 10 ms. Remains 232 /232 variables (removed 0) and now considering 174/176 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 232/232 places, 174/176 transitions.
RANDOM walk for 40000 steps (546 resets) in 165 ms. (240 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (76 resets) in 78 ms. (506 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (63 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (72 resets) in 48 ms. (816 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 737300 steps, run timeout after 3001 ms. (steps per millisecond=245 ) properties seen :0 out of 3
Probabilistic random walk after 737300 steps, saw 105941 distinct states, run finished after 3001 ms. (steps per millisecond=245 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 17:02:59] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 17:02:59] [INFO ] State equation strengthened by 3 read => feed constraints.
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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 78/86 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 116/202 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 3 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 78/86 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 116/202 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:00] [INFO ] Deduced a trap composed of 6 places in 157 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:00] [INFO ] Deduced a trap composed of 16 places in 153 ms of which 14 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/406 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/406 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 300 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2759 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3304ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 2 properties in 770 ms.
Support contains 3 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 5 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 232/232 places, 174/174 transitions.
RANDOM walk for 40000 steps (547 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (68 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1194855 steps, run timeout after 3001 ms. (steps per millisecond=398 ) properties seen :0 out of 1
Probabilistic random walk after 1194855 steps, saw 167154 distinct states, run finished after 3003 ms. (steps per millisecond=397 ) properties seen :0
[2025-05-31 17:03:06] [INFO ] Invariant cache hit.
[2025-05-31 17:03:06] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 78/86 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 116/202 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 220 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 78/86 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 116/202 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:07] [INFO ] Deduced a trap composed of 8 places in 59 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 174/376 variables, 202/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 3/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:07] [INFO ] Deduced a trap composed of 6 places in 54 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 298 constraints, problems are : Problem set: 0 solved, 1 unsolved in 964 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1189ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 258 ms.
Support contains 3 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 7 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 232/232 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 174/174 transitions.
Applied a total of 0 rules in 7 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2025-05-31 17:03:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:03:08] [INFO ] Implicit Places using invariants in 365 ms returned []
[2025-05-31 17:03:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:03:08] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-31 17:03:09] [INFO ] Implicit Places using invariants and state equation in 705 ms returned []
Implicit Place search using SMT with State Equation took 1093 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:03:09] [INFO ] Redundant transitions in 0 ms returned []
Running 173 sub problems to find dead transitions.
[2025-05-31 17:03:09] [INFO ] Invariant cache hit.
[2025-05-31 17:03:09] [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) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 174/406 variables, 232/292 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/406 variables, 3/295 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:16] [INFO ] Deduced a trap composed of 12 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:17] [INFO ] Deduced a trap composed of 16 places in 137 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:17] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:18] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/406 variables, 4/299 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:21] [INFO ] Deduced a trap composed of 8 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:21] [INFO ] Deduced a trap composed of 8 places in 66 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/406 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (OVERLAPS) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 301 constraints, problems are : Problem set: 0 solved, 173 unsolved in 25929 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 6/66 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:37] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:38] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:38] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:03:41] [INFO ] Deduced a trap composed of 9 places in 48 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/232 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 9 (OVERLAPS) 174/406 variables, 232/302 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/406 variables, 3/305 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 173/478 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 406/406 variables, and 478 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56014ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 56015ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57126 ms. Remains : 232/232 places, 174/174 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 232 transition count 174
Applied a total of 1 rules in 8 ms. Remains 232 /232 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 17:04:05] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 17:04:05] [INFO ] After 64ms 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
[2025-05-31 17:04:05] [INFO ] [Nat]Absence check using 35 positive place invariants in 13 ms returned sat
[2025-05-31 17:04:05] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 32 ms returned sat
[2025-05-31 17:04:05] [INFO ] After 336ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 17:04:05] [INFO ] After 453ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 17:04:05] [INFO ] After 659ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 741 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X p0), (X (NOT (AND p1 p0))), (X (AND (NOT p1) (NOT p2) p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X p0)), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) (NOT p2) p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND (NOT p1) (NOT p2) p0))), (F (NOT (OR (NOT p1) (NOT p0)))), (F (NOT (AND (NOT p1) (NOT p2)))), (F p2), (F (NOT p0)), (F (NOT (OR p1 p2 p0))), (F p1)]
Knowledge based reduction with 18 factoid took 734 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter insensitive) to 4 states, 9 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 164 ms :[true, p1, (NOT p0), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 165 ms :[true, p1, (NOT p0), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 151 ms :[true, p1, (NOT p0), (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 3211 reset in 424 ms.
Product exploration explored 100000 steps with 3213 reset in 345 ms.
Built C files in :
/tmp/ltsmin6597497739037009336
[2025-05-31 17:04:07] [INFO ] Computing symmetric may disable matrix : 176 transitions.
[2025-05-31 17:04:07] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:04:07] [INFO ] Computing symmetric may enable matrix : 176 transitions.
[2025-05-31 17:04:07] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:04:07] [INFO ] Computing Do-Not-Accords matrix : 176 transitions.
[2025-05-31 17:04:07] [INFO ] Computation of Completed DNA matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:04:07] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6597497739037009336
Running compilation step : cd /tmp/ltsmin6597497739037009336;'/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 587 ms.
Running link step : cd /tmp/ltsmin6597497739037009336;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin6597497739037009336;'/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/stateBased16318321260885826873.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 5 out of 232 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 4 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 17:04:23] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:04:23] [INFO ] Implicit Places using invariants in 303 ms returned []
[2025-05-31 17:04:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:04:24] [INFO ] Implicit Places using invariants and state equation in 624 ms returned []
Implicit Place search using SMT with State Equation took 928 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:04:24] [INFO ] Redundant transitions in 1 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 17:04:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:04:31] [INFO ] Deduced a trap composed of 12 places in 193 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:04:32] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:04:32] [INFO ] Deduced a trap composed of 9 places in 143 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:04:38] [INFO ] Deduced a trap along path composed of 15 places in 52 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 26963 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:04:52] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 57023ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 57024ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57964 ms. Remains : 232/232 places, 176/176 transitions.
Built C files in :
/tmp/ltsmin2980026763953575249
[2025-05-31 17:05:21] [INFO ] Computing symmetric may disable matrix : 176 transitions.
[2025-05-31 17:05:21] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:05:21] [INFO ] Computing symmetric may enable matrix : 176 transitions.
[2025-05-31 17:05:21] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:05:21] [INFO ] Computing Do-Not-Accords matrix : 176 transitions.
[2025-05-31 17:05:21] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:05:21] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2980026763953575249
Running compilation step : cd /tmp/ltsmin2980026763953575249;'/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 590 ms.
Running link step : cd /tmp/ltsmin2980026763953575249;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin2980026763953575249;'/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/stateBased9673120976656751732.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 17:05:36] [INFO ] Flatten gal took : 23 ms
[2025-05-31 17:05:36] [INFO ] Flatten gal took : 26 ms
[2025-05-31 17:05:36] [INFO ] Time to serialize gal into /tmp/LTL12238984488662712335.gal : 4 ms
[2025-05-31 17:05:36] [INFO ] Time to serialize properties into /tmp/LTL17176977504384054585.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12238984488662712335.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8915526216749049788.hoa' '-atoms' '/tmp/LTL17176977504384054585.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL17176977504384054585.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8915526216749049788.hoa
Detected timeout of ITS tools.
[2025-05-31 17:05:51] [INFO ] Flatten gal took : 14 ms
[2025-05-31 17:05:51] [INFO ] Flatten gal took : 13 ms
[2025-05-31 17:05:51] [INFO ] Time to serialize gal into /tmp/LTL9639910523128807355.gal : 2 ms
[2025-05-31 17:05:51] [INFO ] Time to serialize properties into /tmp/LTL5144428230803488809.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9639910523128807355.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5144428230803488809.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !(((G("(p125==0)"))||((!("((p47==1)&&(p229==1))"))U((G(!("((p47==1)&&(p229==1))")))||((!("((p47==1)&&(p229==1))"))&&(("((p47==1)&&(p22...196
Formula 0 simplified : F!"(p125==0)" & ((!"((p47==1)&&(p229==1))" R !"((p153==1)&&(p225==1))") U "((p47==1)&&(p229==1))")
Detected timeout of ITS tools.
[2025-05-31 17:06:06] [INFO ] Flatten gal took : 14 ms
[2025-05-31 17:06:06] [INFO ] Applying decomposition
[2025-05-31 17:06:06] [INFO ] Flatten gal took : 14 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6379395373694469269.txt' '-o' '/tmp/graph6379395373694469269.bin' '-w' '/tmp/graph6379395373694469269.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6379395373694469269.bin' '-l' '-1' '-v' '-w' '/tmp/graph6379395373694469269.weights' '-q' '0' '-e' '0.001'
[2025-05-31 17:06:06] [INFO ] Decomposing Gal with order
[2025-05-31 17:06:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 17:06:06] [INFO ] Removed a total of 14 redundant transitions.
[2025-05-31 17:06:06] [INFO ] Flatten gal took : 26 ms
[2025-05-31 17:06:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 4 ms.
[2025-05-31 17:06:06] [INFO ] Time to serialize gal into /tmp/LTL2250453774871460827.gal : 6 ms
[2025-05-31 17:06:06] [INFO ] Time to serialize properties into /tmp/LTL6557440339379491618.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2250453774871460827.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6557440339379491618.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !(((G("(i0.u2.p125==0)"))||((!("((u47.p47==1)&&(u47.p229==1))"))U((G(!("((u47.p47==1)&&(u47.p229==1))")))||((!("((u47.p47==1)&&(u47.p2...246
Formula 0 simplified : F!"(i0.u2.p125==0)" & ((!"((u47.p47==1)&&(u47.p229==1))" R !"((u13.p153==1)&&(i11.u46.p225==1))") U "((u47.p47==1)&&(u47.p229==1))")
Reverse transition relation is NOT exact ! Due to transitions t1, t136, t137, t170, u12.t129, u13.t11, u47.t5, u47.t40, i0.u2.t8, i0.u2.t70, i0.u2.t74, i0....629
Detected timeout of ITS tools.
Treatment of property DES-PT-30a-LTLFireability-08 finished in 398796 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((X(p0)&&F(p1)))||F(p2)))))'
Support contains 6 out of 233 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 4 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
[2025-05-31 17:06:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:06:21] [INFO ] Implicit Places using invariants in 296 ms returned []
[2025-05-31 17:06:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:06:22] [INFO ] Implicit Places using invariants and state equation in 647 ms returned []
Implicit Place search using SMT with State Equation took 945 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:06:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:06:29] [INFO ] Deduced a trap composed of 12 places in 143 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:06:30] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:06:30] [INFO ] Deduced a trap composed of 9 places in 140 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:06:36] [INFO ] Deduced a trap along path composed of 15 places in 72 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 27400 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:06:51] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 57469ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 57474ms
Starting structural reductions in LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58423 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 224 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : DES-PT-30a-LTLFireability-10
Product exploration explored 100000 steps with 20012 reset in 404 ms.
Product exploration explored 100000 steps with 20036 reset in 480 ms.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 167 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 307 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
RANDOM walk for 40000 steps (880 resets) in 250 ms. (159 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (245 resets) in 186 ms. (213 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (185 resets) in 127 ms. (312 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (260 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (256 resets) in 103 ms. (384 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (187 resets) in 82 ms. (481 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 579970 steps, run timeout after 3001 ms. (steps per millisecond=193 ) properties seen :0 out of 5
Probabilistic random walk after 579970 steps, saw 92713 distinct states, run finished after 3001 ms. (steps per millisecond=193 ) properties seen :0
[2025-05-31 17:07:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 5 unsolved in 456 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:25] [INFO ] Deduced a trap composed of 10 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:25] [INFO ] Deduced a trap composed of 12 places in 93 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 4/199 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 175/374 variables, 199/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:26] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:26] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 11 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:26] [INFO ] Deduced a trap along path composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/374 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/374 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 34/408 variables, 33/296 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/408 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/408 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/408 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 300 constraints, problems are : Problem set: 0 solved, 5 unsolved in 4756 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5219ms problems are : Problem set: 0 solved, 5 unsolved
Finished Parikh walk after 2287 steps, including 4 resets, run visited all 2 properties in 19 ms. (steps per millisecond=120 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 5 properties in 694 ms.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (OR p0 p2))), (F p2), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 6 factoid took 292 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 230 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 238 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 3 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2025-05-31 17:07:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:07:31] [INFO ] Implicit Places using invariants in 241 ms returned []
[2025-05-31 17:07:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:07:32] [INFO ] Implicit Places using invariants and state equation in 416 ms returned []
Implicit Place search using SMT with State Equation took 662 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:07:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:38] [INFO ] Deduced a trap composed of 12 places in 110 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:39] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:39] [INFO ] Deduced a trap composed of 9 places in 146 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:07:46] [INFO ] Deduced a trap along path composed of 15 places in 67 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 27597 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:01] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 57645ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 57645ms
Finished structural reductions in LTL mode , in 1 iterations and 58311 ms. Remains : 232/232 places, 176/176 transitions.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 126 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 244 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
RANDOM walk for 40000 steps (878 resets) in 365 ms. (109 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (254 resets) in 227 ms. (175 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (170 resets) in 139 ms. (285 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (255 resets) in 100 ms. (396 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (263 resets) in 87 ms. (454 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (179 resets) in 85 ms. (465 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 586797 steps, run timeout after 3001 ms. (steps per millisecond=195 ) properties seen :0 out of 5
Probabilistic random walk after 586797 steps, saw 93576 distinct states, run finished after 3001 ms. (steps per millisecond=195 ) properties seen :0
[2025-05-31 17:08:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 5 unsolved in 455 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:34] [INFO ] Deduced a trap composed of 10 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:34] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 4/199 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 175/374 variables, 199/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:35] [INFO ] Deduced a trap composed of 16 places in 116 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:35] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 15 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:35] [INFO ] Deduced a trap along path composed of 12 places in 54 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/374 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/374 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 34/408 variables, 33/296 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/408 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/408 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/408 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 300 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5472ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 176/176 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 232 transition count 174
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 232 transition count 174
Applied a total of 7 rules in 13 ms. Remains 232 /232 variables (removed 0) and now considering 174/176 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 232/232 places, 174/176 transitions.
RANDOM walk for 40000 steps (544 resets) in 215 ms. (185 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (290 resets) in 113 ms. (350 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (93 resets) in 79 ms. (500 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (292 resets) in 83 ms. (476 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (288 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (85 resets) in 76 ms. (519 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 633722 steps, run timeout after 3001 ms. (steps per millisecond=211 ) properties seen :0 out of 5
Probabilistic random walk after 633722 steps, saw 91249 distinct states, run finished after 3001 ms. (steps per millisecond=211 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 17:08:42] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 17:08:42] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 79/90 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 112/202 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 5 unsolved in 414 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 79/90 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 112/202 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:43] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 4/301 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 301 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3312 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3735ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 4 different solutions.
Finished Parikh walk after 38536 steps, including 76 resets, run visited all 2 properties in 318 ms. (steps per millisecond=121 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 5 properties in 1123 ms.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (OR p0 p2))), (F p2), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 6 factoid took 299 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 229 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 301 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 308 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Product exploration explored 100000 steps with 19984 reset in 561 ms.
Product exploration explored 100000 steps with 19969 reset in 441 ms.
Applying partial POR strategy [false, false, false, true, true, true]
Stuttering acceptance computed with spot in 254 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 14 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:08:49] [INFO ] Redundant transitions in 0 ms returned []
Running 175 sub problems to find dead transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 17:08:49] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:55] [INFO ] Deduced a trap composed of 12 places in 121 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:57] [INFO ] Deduced a trap composed of 10 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:57] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:57] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 4/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:08:58] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 10 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 295 constraints, problems are : Problem set: 0 solved, 175 unsolved in 18344 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 5/63 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (OVERLAPS) 176/408 variables, 232/295 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 175/470 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 408/408 variables, and 470 constraints, problems are : Problem set: 0 solved, 175 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48410ms problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 48415ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 48439 ms. Remains : 232/232 places, 176/176 transitions.
Built C files in :
/tmp/ltsmin1733160119886625354
[2025-05-31 17:09:38] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1733160119886625354
Running compilation step : cd /tmp/ltsmin1733160119886625354;'/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 832 ms.
Running link step : cd /tmp/ltsmin1733160119886625354;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 54 ms.
Running LTSmin : cd /tmp/ltsmin1733160119886625354;'/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/stateBased15641908698473991936.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 8 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2025-05-31 17:09:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:09:54] [INFO ] Implicit Places using invariants in 440 ms returned []
[2025-05-31 17:09:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:09:54] [INFO ] Implicit Places using invariants and state equation in 518 ms returned []
Implicit Place search using SMT with State Equation took 961 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:09:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:10:02] [INFO ] Deduced a trap composed of 12 places in 185 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:10:02] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:10:03] [INFO ] Deduced a trap composed of 9 places in 142 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:10:09] [INFO ] Deduced a trap along path composed of 15 places in 94 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 25924 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:10:22] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 56001ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 56002ms
Finished structural reductions in LTL mode , in 1 iterations and 56973 ms. Remains : 232/232 places, 176/176 transitions.
Built C files in :
/tmp/ltsmin10708496066590467266
[2025-05-31 17:10:50] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10708496066590467266
Running compilation step : cd /tmp/ltsmin10708496066590467266;'/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 513 ms.
Running link step : cd /tmp/ltsmin10708496066590467266;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin10708496066590467266;'/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/stateBased5447871897279598985.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 17:11:05] [INFO ] Flatten gal took : 23 ms
[2025-05-31 17:11:05] [INFO ] Flatten gal took : 15 ms
[2025-05-31 17:11:05] [INFO ] Time to serialize gal into /tmp/LTL6986377749953609916.gal : 2 ms
[2025-05-31 17:11:05] [INFO ] Time to serialize properties into /tmp/LTL13291797695607962026.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6986377749953609916.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2106441353494345105.hoa' '-atoms' '/tmp/LTL13291797695607962026.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL13291797695607962026.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2106441353494345105.hoa
Detected timeout of ITS tools.
[2025-05-31 17:11:20] [INFO ] Flatten gal took : 10 ms
[2025-05-31 17:11:20] [INFO ] Flatten gal took : 9 ms
[2025-05-31 17:11:20] [INFO ] Time to serialize gal into /tmp/LTL1138639909472333627.gal : 2 ms
[2025-05-31 17:11:20] [INFO ] Time to serialize properties into /tmp/LTL17084733304450882101.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1138639909472333627.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17084733304450882101.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(G((X((X("((p108==0)||(p124==0))"))&&(F("(((p12==0)||(p152==0))||(p154==0))"))))||(F("((p111==1)&&(p124==1))"))))))
Formula 0 simplified : XF(X(X!"((p108==0)||(p124==0))" | G!"(((p12==0)||(p152==0))||(p154==0))") & G!"((p111==1)&&(p124==1))")
Detected timeout of ITS tools.
[2025-05-31 17:11:35] [INFO ] Flatten gal took : 9 ms
[2025-05-31 17:11:35] [INFO ] Applying decomposition
[2025-05-31 17:11:35] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5105358682827964033.txt' '-o' '/tmp/graph5105358682827964033.bin' '-w' '/tmp/graph5105358682827964033.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5105358682827964033.bin' '-l' '-1' '-v' '-w' '/tmp/graph5105358682827964033.weights' '-q' '0' '-e' '0.001'
[2025-05-31 17:11:35] [INFO ] Decomposing Gal with order
[2025-05-31 17:11:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 17:11:35] [INFO ] Removed a total of 14 redundant transitions.
[2025-05-31 17:11:35] [INFO ] Flatten gal took : 18 ms
[2025-05-31 17:11:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-05-31 17:11:36] [INFO ] Time to serialize gal into /tmp/LTL14674601727682572789.gal : 5 ms
[2025-05-31 17:11:36] [INFO ] Time to serialize properties into /tmp/LTL13944173194641446496.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14674601727682572789.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13944173194641446496.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((X(G((X((X("((i0.u2.p108==0)||(i0.u2.p124==0))"))&&(F("(((u13.p12==0)||(u13.p152==0))||(u13.p154==0))"))))||(F("((i0.u2.p111==1)&&(i...176
Formula 0 simplified : XF(X(X!"((i0.u2.p108==0)||(i0.u2.p124==0))" | G!"(((u13.p12==0)||(u13.p152==0))||(u13.p154==0))") & G!"((i0.u2.p111==1)&&(i0.u2.p124...162
Reverse transition relation is NOT exact ! Due to transitions t1, t136, t137, t170, u12.t129, u13.t11, u47.t5, u47.t40, i0.u2.t8, i0.u2.t70, i0.u2.t74, i0....629
Detected timeout of ITS tools.
Treatment of property DES-PT-30a-LTLFireability-10 finished in 329447 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((X(p1)||p0))&&(G(p3)||p2))))'
Support contains 7 out of 233 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 11 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
[2025-05-31 17:11:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:11:51] [INFO ] Implicit Places using invariants in 264 ms returned []
[2025-05-31 17:11:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:11:51] [INFO ] Implicit Places using invariants and state equation in 599 ms returned []
Implicit Place search using SMT with State Equation took 874 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:11:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:11:59] [INFO ] Deduced a trap composed of 12 places in 167 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:12:00] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:12:00] [INFO ] Deduced a trap composed of 9 places in 141 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:12:06] [INFO ] Deduced a trap along path composed of 15 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 29050 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:12:22] [INFO ] Deduced a trap composed of 12 places in 42 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 59123ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 59123ms
Starting structural reductions in LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60009 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 210 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), true, (AND (NOT p0) (NOT p1)), (NOT p3), (NOT p1)]
Running random walk in product with property : DES-PT-30a-LTLFireability-11
Product exploration explored 100000 steps with 33333 reset in 464 ms.
Product exploration explored 100000 steps with 33333 reset in 383 ms.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p2 (NOT p3) p0 p1), (X p2), (X (NOT p3)), (X (NOT (AND (NOT p2) (NOT p3)))), (X (OR p2 p3)), (X (NOT (AND (NOT p2) p3))), (X (X p0)), (X (X (NOT p3))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 15 ms. Reduced automaton from 6 states, 9 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-30a-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-30a-LTLFireability-11 finished in 61105 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(G((p1&&X((p1 U (!p2||G(p1)))))))))'
Support contains 5 out of 233 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 7 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
[2025-05-31 17:12:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:12:52] [INFO ] Implicit Places using invariants in 304 ms returned []
[2025-05-31 17:12:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:12:53] [INFO ] Implicit Places using invariants and state equation in 625 ms returned []
Implicit Place search using SMT with State Equation took 944 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:12:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:12:58] [INFO ] Deduced a trap composed of 12 places in 178 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:12:59] [INFO ] Deduced a trap composed of 17 places in 105 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:12:59] [INFO ] Deduced a trap composed of 9 places in 132 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:13:04] [INFO ] Deduced a trap along path composed of 15 places in 56 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 21739 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:13:16] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 51809ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 51810ms
Starting structural reductions in LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52761 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 122 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : DES-PT-30a-LTLFireability-12
Product exploration explored 100000 steps with 2243 reset in 231 ms.
Product exploration explored 100000 steps with 2228 reset in 433 ms.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 11 factoid took 430 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 60 ms :[true, (NOT p1)]
RANDOM walk for 40000 steps (892 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (178 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1100375 steps, run timeout after 3001 ms. (steps per millisecond=366 ) properties seen :0 out of 1
Probabilistic random walk after 1100375 steps, saw 156651 distinct states, run finished after 3001 ms. (steps per millisecond=366 ) properties seen :0
[2025-05-31 17:13:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 1 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 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) 3/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 118/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:13:49] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:13:49] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/199 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 175/374 variables, 199/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 34/408 variables, 33/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/408 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 755 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 989ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 415 ms.
Support contains 3 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 176/176 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 232 transition count 174
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 232 transition count 174
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 231 transition count 173
Applied a total of 9 rules in 18 ms. Remains 231 /232 variables (removed 1) and now considering 173/176 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 231/232 places, 173/176 transitions.
RANDOM walk for 40000 steps (539 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1014581 steps, run timeout after 3001 ms. (steps per millisecond=338 ) properties seen :0 out of 1
Probabilistic random walk after 1014581 steps, saw 143449 distinct states, run finished after 3001 ms. (steps per millisecond=338 ) properties seen :0
// Phase 1: matrix 173 rows 231 cols
[2025-05-31 17:13:53] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 17:13:53] [INFO ] State equation strengthened by 2 read => feed constraints.
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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 122/127 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/158 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/342 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/342 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/343 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 32/375 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/375 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/375 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 29/404 variables, 29/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/404 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 404/404 variables, and 293 constraints, problems are : Problem set: 0 solved, 1 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 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) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 122/127 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/158 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/183 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/183 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/190 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 140/330 variables, 190/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 2/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/342 variables, 8/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/342 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/342 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/343 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/343 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:13:54] [INFO ] Deduced a trap composed of 11 places in 94 ms of which 9 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/343 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/343 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 32/375 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/375 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/375 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 29/404 variables, 29/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 404/404 variables, and 295 constraints, problems are : Problem set: 0 solved, 1 unsolved in 633 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 231/231 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1092ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 45341 steps, including 158 resets, run visited all 1 properties in 103 ms. (steps per millisecond=440 )
Parikh walk visited 1 properties in 102 ms.
Knowledge obtained : [(AND p0 p1), (X p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X p1)), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1))]
Property proved to be false thanks to negative knowledge :(F (NOT p1))
Knowledge based reduction with 11 factoid took 406 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-30a-LTLFireability-12 FALSE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-30a-LTLFireability-12 finished in 63236 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(F(p0))&&F(p1))) U (p2 U p3)))'
Support contains 8 out of 233 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 12 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 17:13:55] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:13:55] [INFO ] Implicit Places using invariants in 404 ms returned []
[2025-05-31 17:13:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:13:56] [INFO ] Implicit Places using invariants and state equation in 630 ms returned []
Implicit Place search using SMT with State Equation took 1036 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:13:56] [INFO ] Redundant transitions in 1 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 17:13:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:14:03] [INFO ] Deduced a trap composed of 12 places in 139 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:14:04] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:14:04] [INFO ] Deduced a trap composed of 9 places in 132 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:14:11] [INFO ] Deduced a trap along path composed of 15 places in 59 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 27799 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:14:25] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 57878ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 57879ms
Starting structural reductions in SI_LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58935 ms. Remains : 232/233 places, 176/177 transitions.
Stuttering acceptance computed with spot in 315 ms :[(NOT p3), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p0), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : DES-PT-30a-LTLFireability-14
Stuttering criterion allowed to conclude after 49 steps with 0 reset in 1 ms.
FORMULA DES-PT-30a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30a-LTLFireability-14 finished in 59285 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
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)||(!p1 U (G(!p1)||(!p1&&(p1 U p2))))))'
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((X(p0)&&F(p1)))||F(p2)))))'
Found a Lengthening insensitive property : DES-PT-30a-LTLFireability-10
Stuttering acceptance computed with spot in 219 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 6 out of 233 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 233/233 places, 177/177 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 232 transition count 176
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 176
Applied a total of 2 rules in 9 ms. Remains 232 /233 variables (removed 1) and now considering 176/177 (removed 1) transitions.
[2025-05-31 17:14:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:14:55] [INFO ] Implicit Places using invariants in 241 ms returned []
[2025-05-31 17:14:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:14:55] [INFO ] Implicit Places using invariants and state equation in 429 ms returned []
Implicit Place search using SMT with State Equation took 671 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:14:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:00] [INFO ] Deduced a trap composed of 12 places in 102 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:01] [INFO ] Deduced a trap composed of 17 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:01] [INFO ] Deduced a trap composed of 9 places in 82 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:05] [INFO ] Deduced a trap along path composed of 15 places in 38 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 18604 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:15] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 48651ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 48652ms
Starting structural reductions in LI_LTL mode, iteration 1 : 232/233 places, 176/177 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 49332 ms. Remains : 232/233 places, 176/177 transitions.
Running random walk in product with property : DES-PT-30a-LTLFireability-10
Product exploration explored 100000 steps with 19946 reset in 503 ms.
Product exploration explored 100000 steps with 20005 reset in 374 ms.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 127 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 264 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
RANDOM walk for 40000 steps (892 resets) in 339 ms. (117 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (255 resets) in 111 ms. (357 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (177 resets) in 90 ms. (439 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (253 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (255 resets) in 87 ms. (454 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (185 resets) in 84 ms. (470 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 592100 steps, run timeout after 3001 ms. (steps per millisecond=197 ) properties seen :0 out of 5
Probabilistic random walk after 592100 steps, saw 94200 distinct states, run finished after 3001 ms. (steps per millisecond=197 ) properties seen :0
[2025-05-31 17:15:49] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 5 unsolved in 638 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:50] [INFO ] Deduced a trap composed of 10 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:50] [INFO ] Deduced a trap composed of 12 places in 91 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 4/199 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 175/374 variables, 199/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:50] [INFO ] Deduced a trap composed of 16 places in 125 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:51] [INFO ] Deduced a trap composed of 17 places in 146 ms of which 16 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:51] [INFO ] Deduced a trap along path composed of 12 places in 53 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/374 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/374 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 34/408 variables, 33/296 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/408 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/408 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 408/408 variables, and 300 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5651ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 232/232 places, 176/176 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 232 transition count 174
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 232 transition count 174
Applied a total of 7 rules in 15 ms. Remains 232 /232 variables (removed 0) and now considering 174/176 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 232/232 places, 174/176 transitions.
RANDOM walk for 40000 steps (536 resets) in 343 ms. (116 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (289 resets) in 146 ms. (272 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (94 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (291 resets) in 89 ms. (444 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (292 resets) in 113 ms. (350 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (86 resets) in 89 ms. (444 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 605365 steps, run timeout after 3001 ms. (steps per millisecond=201 ) properties seen :0 out of 5
Probabilistic random walk after 605365 steps, saw 87093 distinct states, run finished after 3001 ms. (steps per millisecond=201 ) properties seen :0
// Phase 1: matrix 174 rows 232 cols
[2025-05-31 17:15:58] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 17:15:58] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 79/90 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 112/202 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 30/406 variables, 30/295 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/406 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 406/406 variables, and 295 constraints, problems are : Problem set: 0 solved, 5 unsolved in 553 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 79/90 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 112/202 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 174/376 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/376 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/376 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:15:59] [INFO ] Deduced a trap composed of 6 places in 37 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/376 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/376 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 30/406 variables, 30/297 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/406 variables, 4/301 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 0/406 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 406/406 variables, and 301 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3282 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 232/232 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3844ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 4 different solutions.
Finished Parikh walk after 19548 steps, including 37 resets, run visited all 2 properties in 179 ms. (steps per millisecond=109 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 5 properties in 1274 ms.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (OR p0 p2))), (F p2), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 6 factoid took 312 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 244 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 327 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 4 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
// Phase 1: matrix 176 rows 232 cols
[2025-05-31 17:16:04] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:16:04] [INFO ] Implicit Places using invariants in 390 ms returned []
[2025-05-31 17:16:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:16:05] [INFO ] Implicit Places using invariants and state equation in 606 ms returned []
Implicit Place search using SMT with State Equation took 998 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:16:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:16:11] [INFO ] Deduced a trap composed of 12 places in 110 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:16:12] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:16:12] [INFO ] Deduced a trap composed of 9 places in 96 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:16:18] [INFO ] Deduced a trap along path composed of 15 places in 54 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 27396 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:16:34] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 57476ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 57477ms
Finished structural reductions in LTL mode , in 1 iterations and 58480 ms. Remains : 232/232 places, 176/176 transitions.
Computed a total of 135 stabilizing places and 130 stable transitions
Computed a total of 135 stabilizing places and 130 stable transitions
Detected a total of 135/232 stabilizing places and 130/176 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 132 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 219 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
RANDOM walk for 40000 steps (887 resets) in 150 ms. (264 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (257 resets) in 99 ms. (400 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (183 resets) in 83 ms. (476 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (250 resets) in 81 ms. (487 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (256 resets) in 79 ms. (500 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (172 resets) in 77 ms. (512 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 572951 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 5
Probabilistic random walk after 572951 steps, saw 91854 distinct states, run finished after 3001 ms. (steps per millisecond=190 ) properties seen :0
[2025-05-31 17:17:06] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 4/199 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 175/374 variables, 199/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/374 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 34/408 variables, 33/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/408 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 290 constraints, problems are : Problem set: 0 solved, 5 unsolved in 444 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 68/79 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 116/195 variables, 24/56 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:06] [INFO ] Deduced a trap composed of 10 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:06] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 4/199 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 175/374 variables, 199/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/374 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:07] [INFO ] Deduced a trap composed of 16 places in 119 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:07] [INFO ] Deduced a trap composed of 17 places in 122 ms of which 18 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/374 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:07] [INFO ] Deduced a trap along path composed of 12 places in 50 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/374 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/374 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 34/408 variables, 33/296 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/408 variables, 4/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/408 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/408 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 408/408 variables, and 300 constraints, problems are : Problem set: 0 solved, 5 unsolved in 4742 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5194ms problems are : Problem set: 0 solved, 5 unsolved
Finished Parikh walk after 1349 steps, including 4 resets, run visited all 2 properties in 13 ms. (steps per millisecond=103 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 5 properties in 640 ms.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (OR p0 p2))), (F p2), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 6 factoid took 295 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 217 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 221 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Product exploration explored 100000 steps with 20008 reset in 299 ms.
Product exploration explored 100000 steps with 20021 reset in 333 ms.
Applying partial POR strategy [false, false, false, true, true, true]
Stuttering acceptance computed with spot in 329 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 7 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 17:17:14] [INFO ] Redundant transitions in 1 ms returned []
Running 175 sub problems to find dead transitions.
[2025-05-31 17:17:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:21] [INFO ] Deduced a trap composed of 12 places in 160 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:22] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:22] [INFO ] Deduced a trap composed of 9 places in 114 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:26] [INFO ] Deduced a trap along path composed of 15 places in 38 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 21154 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:17:36] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 51221ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 51221ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 51240 ms. Remains : 232/232 places, 176/176 transitions.
Built C files in :
/tmp/ltsmin11609987115126721689
[2025-05-31 17:18:05] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11609987115126721689
Running compilation step : cd /tmp/ltsmin11609987115126721689;'/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 530 ms.
Running link step : cd /tmp/ltsmin11609987115126721689;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin11609987115126721689;'/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/stateBased7252364894249538869.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 232 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 232/232 places, 176/176 transitions.
Applied a total of 0 rules in 4 ms. Remains 232 /232 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2025-05-31 17:18:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:18:20] [INFO ] Implicit Places using invariants in 259 ms returned []
[2025-05-31 17:18:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 17:18:21] [INFO ] Implicit Places using invariants and state equation in 628 ms returned []
Implicit Place search using SMT with State Equation took 889 ms to find 0 implicit places.
Running 175 sub problems to find dead transitions.
[2025-05-31 17:18:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 5 (OVERLAPS) 176/408 variables, 232/290 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:18:28] [INFO ] Deduced a trap composed of 12 places in 160 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:18:29] [INFO ] Deduced a trap composed of 17 places in 96 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:18:29] [INFO ] Deduced a trap composed of 9 places in 139 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 3/293 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:18:36] [INFO ] Deduced a trap along path composed of 15 places in 51 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 9 (OVERLAPS) 0/408 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
No progress, stopping.
After SMT solving in domain Real declared 408/408 variables, and 294 constraints, problems are : Problem set: 0 solved, 175 unsolved in 25709 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 232/232 constraints, PredecessorRefiner: 175/175 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/231 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/231 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 1/232 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/232 variables, 14/58 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/232 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 175 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 17:18:48] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 7 (OVERLAPS) 176/408 variables, 232/294 constraints. Problems are: Problem set: 0 solved, 175 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 175/469 constraints. Problems are: Problem set: 0 solved, 175 unsolved
SMT process timed out in 55782ms, After SMT, problems are : Problem set: 0 solved, 175 unsolved
Search for dead transitions found 0 dead transitions in 55784ms
Finished structural reductions in LTL mode , in 1 iterations and 56678 ms. Remains : 232/232 places, 176/176 transitions.
Built C files in :
/tmp/ltsmin15705938381903292652
[2025-05-31 17:19:17] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15705938381903292652
Running compilation step : cd /tmp/ltsmin15705938381903292652;'/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 679 ms.
Running link step : cd /tmp/ltsmin15705938381903292652;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin15705938381903292652;'/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/stateBased15106340503956939286.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 17:19:32] [INFO ] Flatten gal took : 11 ms
[2025-05-31 17:19:32] [INFO ] Flatten gal took : 18 ms
[2025-05-31 17:19:32] [INFO ] Time to serialize gal into /tmp/LTL15038901246376006851.gal : 2 ms
[2025-05-31 17:19:32] [INFO ] Time to serialize properties into /tmp/LTL16614930482284903429.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15038901246376006851.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5846332251913816847.hoa' '-atoms' '/tmp/LTL16614930482284903429.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL16614930482284903429.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5846332251913816847.hoa
Detected timeout of ITS tools.
[2025-05-31 17:19:47] [INFO ] Flatten gal took : 8 ms
[2025-05-31 17:19:47] [INFO ] Flatten gal took : 9 ms
[2025-05-31 17:19:47] [INFO ] Time to serialize gal into /tmp/LTL3003564433058692419.gal : 2 ms
[2025-05-31 17:19:47] [INFO ] Time to serialize properties into /tmp/LTL5579871610488981650.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3003564433058692419.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5579871610488981650.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((X(G((X((X("((p108==0)||(p124==0))"))&&(F("(((p12==0)||(p152==0))||(p154==0))"))))||(F("((p111==1)&&(p124==1))"))))))
Formula 0 simplified : XF(X(X!"((p108==0)||(p124==0))" | G!"(((p12==0)||(p152==0))||(p154==0))") & G!"((p111==1)&&(p124==1))")
Detected timeout of ITS tools.
[2025-05-31 17:20:02] [INFO ] Flatten gal took : 7 ms
[2025-05-31 17:20:02] [INFO ] Applying decomposition
[2025-05-31 17:20:02] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17058561503461102211.txt' '-o' '/tmp/graph17058561503461102211.bin' '-w' '/tmp/graph17058561503461102211.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17058561503461102211.bin' '-l' '-1' '-v' '-w' '/tmp/graph17058561503461102211.weights' '-q' '0' '-e' '0.001'
[2025-05-31 17:20:02] [INFO ] Decomposing Gal with order
[2025-05-31 17:20:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 17:20:02] [INFO ] Removed a total of 14 redundant transitions.
[2025-05-31 17:20:02] [INFO ] Flatten gal took : 19 ms
[2025-05-31 17:20:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2025-05-31 17:20:02] [INFO ] Time to serialize gal into /tmp/LTL4614347387179433485.gal : 3 ms
[2025-05-31 17:20:02] [INFO ] Time to serialize properties into /tmp/LTL7610653519320440296.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4614347387179433485.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7610653519320440296.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((X(G((X((X("((i0.u2.p108==0)||(i0.u2.p124==0))"))&&(F("(((u13.p12==0)||(u13.p152==0))||(u13.p154==0))"))))||(F("((i0.u2.p111==1)&&(i...176
Formula 0 simplified : XF(X(X!"((i0.u2.p108==0)||(i0.u2.p124==0))" | G!"(((u13.p12==0)||(u13.p152==0))||(u13.p154==0))") & G!"((i0.u2.p111==1)&&(i0.u2.p124...162
Detected timeout of ITS tools.
Treatment of property DES-PT-30a-LTLFireability-10 finished in 322760 ms.
[2025-05-31 17:20:17] [INFO ] Flatten gal took : 7 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin15922060818747434856
[2025-05-31 17:20:17] [INFO ] Computing symmetric may disable matrix : 177 transitions.
[2025-05-31 17:20:17] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:20:17] [INFO ] Computing symmetric may enable matrix : 177 transitions.
[2025-05-31 17:20:17] [INFO ] Applying decomposition
[2025-05-31 17:20:17] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:20:17] [INFO ] Flatten gal took : 11 ms
[2025-05-31 17:20:17] [INFO ] Computing Do-Not-Accords matrix : 177 transitions.
[2025-05-31 17:20:17] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 17:20:17] [INFO ] Built C files in 22ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15922060818747434856
Running compilation step : cd /tmp/ltsmin15922060818747434856;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '240' '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'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4665451005532055108.txt' '-o' '/tmp/graph4665451005532055108.bin' '-w' '/tmp/graph4665451005532055108.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4665451005532055108.bin' '-l' '-1' '-v' '-w' '/tmp/graph4665451005532055108.weights' '-q' '0' '-e' '0.001'
[2025-05-31 17:20:17] [INFO ] Decomposing Gal with order
[2025-05-31 17:20:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 17:20:17] [INFO ] Removed a total of 15 redundant transitions.
[2025-05-31 17:20:17] [INFO ] Flatten gal took : 34 ms
[2025-05-31 17:20:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 6 ms.
[2025-05-31 17:20:17] [INFO ] Time to serialize gal into /tmp/LTLFireability3041382564608274081.gal : 5 ms
[2025-05-31 17:20:17] [INFO ] Time to serialize properties into /tmp/LTLFireability11156943411518949204.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability3041382564608274081.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability11156943411518949204.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 3 LTL properties
Checking formula 0 : !((F(G("(((u14.p12==0)||(u14.p152==0))||(u14.p154==0))"))))
Formula 0 simplified : GF!"(((u14.p12==0)||(u14.p152==0))||(u14.p154==0))"
Compilation finished in 975 ms.
Running link step : cd /tmp/ltsmin15922060818747434856;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin15922060818747434856;'/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' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t1, t136, t137, t170, u13.t129, u14.t11, u48.t5, u48.t40, i0.u2.t8, i0.u2.t70, i0.u2.t74, i0....639
Computing Next relation with stutter on 2.19322e+06 deadlock states
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin15922060818747434856;'/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' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin15922060818747434856;'/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' '--ltl' '([]((LTLAPp1==true))||(!(LTLAPp2==true) U ([](!(LTLAPp2==true))||(!(LTLAPp2==true)&&((LTLAPp2==true) U (LTLAPp3==true))))))' '--buchi-type=spotba'
LTSmin run took 351340 ms.
FORMULA DES-PT-30a-LTLFireability-08 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : cd /tmp/ltsmin15922060818747434856;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' 'X([]((X((X((LTLAPp4==true))&&<>((LTLAPp0==true))))||<>((LTLAPp5==true)))))' '--buchi-type=spotba'

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-30a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is DES-PT-30a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r058-smll-174854063900316"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-30a.tgz
mv DES-PT-30a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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