Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r091-tall-171624188300747.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool greatspnxred
Input is DES-PT-60a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-tall-171624188300747
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 12 08:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K Apr 12 08:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 12 08:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 12 08:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 110K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DES-PT-60a-LTLCardinality-00
FORMULA_NAME DES-PT-60a-LTLCardinality-01
FORMULA_NAME DES-PT-60a-LTLCardinality-02
FORMULA_NAME DES-PT-60a-LTLCardinality-03
FORMULA_NAME DES-PT-60a-LTLCardinality-04
FORMULA_NAME DES-PT-60a-LTLCardinality-05
FORMULA_NAME DES-PT-60a-LTLCardinality-06
FORMULA_NAME DES-PT-60a-LTLCardinality-07
FORMULA_NAME DES-PT-60a-LTLCardinality-08
FORMULA_NAME DES-PT-60a-LTLCardinality-09
FORMULA_NAME DES-PT-60a-LTLCardinality-10
FORMULA_NAME DES-PT-60a-LTLCardinality-11
FORMULA_NAME DES-PT-60a-LTLCardinality-12
FORMULA_NAME DES-PT-60a-LTLCardinality-13
FORMULA_NAME DES-PT-60a-LTLCardinality-14
FORMULA_NAME DES-PT-60a-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716328605105

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-60a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 21:56:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-21 21:56:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 21:56:46] [INFO ] Load time of PNML (sax parser for PT used): 90 ms
[2024-05-21 21:56:46] [INFO ] Transformed 354 places.
[2024-05-21 21:56:46] [INFO ] Transformed 311 transitions.
[2024-05-21 21:56:46] [INFO ] Found NUPN structural information;
[2024-05-21 21:56:46] [INFO ] Parsed PT model containing 354 places and 311 transitions and 1496 arcs in 194 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA DES-PT-60a-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60a-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60a-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60a-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60a-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60a-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60a-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 354 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 354/354 places, 297/297 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 353 transition count 296
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 353 transition count 296
Applied a total of 2 rules in 73 ms. Remains 353 /354 variables (removed 1) and now considering 296/297 (removed 1) transitions.
// Phase 1: matrix 296 rows 353 cols
[2024-05-21 21:56:46] [INFO ] Computed 59 invariants in 34 ms
[2024-05-21 21:56:47] [INFO ] Implicit Places using invariants in 426 ms returned [251]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 459 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 352/354 places, 296/297 transitions.
Applied a total of 0 rules in 10 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 558 ms. Remains : 352/354 places, 296/297 transitions.
Support contains 29 out of 352 places after structural reductions.
[2024-05-21 21:56:47] [INFO ] Flatten gal took : 60 ms
[2024-05-21 21:56:47] [INFO ] Flatten gal took : 30 ms
[2024-05-21 21:56:47] [INFO ] Input system was already deterministic with 296 transitions.
RANDOM walk for 40000 steps (892 resets) in 1914 ms. (20 steps per ms) remains 10/15 properties
BEST_FIRST walk for 40004 steps (182 resets) in 393 ms. (101 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (169 resets) in 280 ms. (142 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (190 resets) in 243 ms. (163 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (194 resets) in 143 ms. (277 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (223 resets) in 140 ms. (283 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (177 resets) in 113 ms. (350 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (169 resets) in 112 ms. (354 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (155 resets) in 156 ms. (254 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (177 resets) in 102 ms. (388 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (174 resets) in 117 ms. (339 steps per ms) remains 10/10 properties
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 21:56:48] [INFO ] Computed 58 invariants in 20 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 68/99 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 193/292 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 3/295 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/295 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 296/591 variables, 295/353 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/591 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 57/648 variables, 57/410 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 410 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1229 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 7/31 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 68/99 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 193/292 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2024-05-21 21:56:50] [INFO ] Deduced a trap composed of 11 places in 82 ms of which 15 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2024-05-21 21:56:50] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 3/295 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/295 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 296/591 variables, 295/355 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/591 variables, 4/359 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2024-05-21 21:56:51] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/591 variables, 1/360 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2024-05-21 21:56:52] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/591 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/591 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 57/648 variables, 57/418 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/648 variables, 6/424 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/648 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (OVERLAPS) 0/648 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 648/648 variables, and 424 constraints, problems are : Problem set: 0 solved, 10 unsolved in 4888 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 4/4 constraints]
After SMT, in 6170ms problems are : Problem set: 0 solved, 10 unsolved
Parikh walk visited 6 properties in 32704 ms.
Support contains 8 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 296/296 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 352 transition count 294
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 352 transition count 294
Applied a total of 7 rules in 35 ms. Remains 352 /352 variables (removed 0) and now considering 294/296 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 352/352 places, 294/296 transitions.
RANDOM walk for 40000 steps (567 resets) in 582 ms. (68 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (110 resets) in 125 ms. (317 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (103 resets) in 108 ms. (367 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (98 resets) in 97 ms. (408 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (107 resets) in 106 ms. (373 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 742746 steps, run timeout after 3001 ms. (steps per millisecond=247 ) properties seen :0 out of 4
Probabilistic random walk after 742746 steps, saw 105706 distinct states, run finished after 3005 ms. (steps per millisecond=247 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2024-05-21 21:57:31] [INFO ] Computed 60 invariants in 9 ms
[2024-05-21 21:57:31] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 2/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 82/92 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 203/295 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 294/589 variables, 295/355 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/589 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/589 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 57/646 variables, 57/414 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 414 constraints, problems are : Problem set: 0 solved, 4 unsolved in 494 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 2/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 82/92 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 203/295 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 294/589 variables, 295/355 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/589 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/589 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/589 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 57/646 variables, 57/415 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 3/418 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-21 21:57:32] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/646 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/646 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1399 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints]
After SMT, in 1917ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 9060 ms.
Support contains 8 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 13 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 352/352 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 12 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2024-05-21 21:57:42] [INFO ] Invariant cache hit.
[2024-05-21 21:57:42] [INFO ] Implicit Places using invariants in 197 ms returned []
[2024-05-21 21:57:42] [INFO ] Invariant cache hit.
[2024-05-21 21:57:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-21 21:57:42] [INFO ] Implicit Places using invariants and state equation in 492 ms returned []
Implicit Place search using SMT with State Equation took 691 ms to find 0 implicit places.
[2024-05-21 21:57:42] [INFO ] Redundant transitions in 17 ms returned []
Running 293 sub problems to find dead transitions.
[2024-05-21 21:57:42] [INFO ] Invariant cache hit.
[2024-05-21 21:57:42] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 293 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 14/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 5 (OVERLAPS) 294/646 variables, 352/412 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 2/414 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 21:57:57] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 2 ms to minimize.
[2024-05-21 21:57:58] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/646 variables, 2/416 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 10 (OVERLAPS) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 293 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 416 constraints, problems are : Problem set: 0 solved, 293 unsolved in 29526 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 14/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 21:58:14] [INFO ] Deduced a trap composed of 6 places in 20 ms of which 1 ms to minimize.
[2024-05-21 21:58:16] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 1 ms to minimize.
[2024-05-21 21:58:16] [INFO ] Deduced a trap composed of 13 places in 91 ms of which 3 ms to minimize.
[2024-05-21 21:58:16] [INFO ] Deduced a trap composed of 12 places in 91 ms of which 4 ms to minimize.
[2024-05-21 21:58:16] [INFO ] Deduced a trap composed of 61 places in 31 ms of which 1 ms to minimize.
[2024-05-21 21:58:16] [INFO ] Deduced a trap composed of 11 places in 56 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 6/68 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (OVERLAPS) 294/646 variables, 352/420 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 2/422 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 293/715 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 715 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 8/8 constraints]
After SMT, in 59891ms problems are : Problem set: 0 solved, 293 unsolved
Search for dead transitions found 0 dead transitions in 59898ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60633 ms. Remains : 352/352 places, 294/294 transitions.
Computed a total of 255 stabilizing places and 250 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(G(p1)))))'
Support contains 4 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 4 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 21:58:42] [INFO ] Computed 58 invariants in 6 ms
[2024-05-21 21:58:43] [INFO ] Implicit Places using invariants in 197 ms returned []
[2024-05-21 21:58:43] [INFO ] Invariant cache hit.
[2024-05-21 21:58:43] [INFO ] Implicit Places using invariants and state equation in 348 ms returned []
Implicit Place search using SMT with State Equation took 548 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 21:58:43] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 21:58:49] [INFO ] Deduced a trap composed of 12 places in 92 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 21:59:00] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26286 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 21:59:13] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 1 ms to minimize.
[2024-05-21 21:59:13] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56565ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56569ms
Finished structural reductions in LTL mode , in 1 iterations and 57122 ms. Remains : 352/352 places, 296/296 transitions.
Stuttering acceptance computed with spot in 267 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), true]
Running random walk in product with property : DES-PT-60a-LTLCardinality-00
Product exploration explored 100000 steps with 2227 reset in 381 ms.
Product exploration explored 100000 steps with 2236 reset in 280 ms.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Detected a total of 255/352 stabilizing places and 250/296 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 150 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 103 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 40000 steps (906 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (179 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1513570 steps, run timeout after 3001 ms. (steps per millisecond=504 ) properties seen :0 out of 1
Probabilistic random walk after 1513570 steps, saw 210748 distinct states, run finished after 3001 ms. (steps per millisecond=504 ) properties seen :0
[2024-05-21 21:59:44] [INFO ] Invariant cache hit.
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 410 constraints, problems are : Problem set: 0 solved, 1 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 21:59:44] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 2 ms to minimize.
[2024-05-21 21:59:45] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/648 variables, 2/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/648 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/648 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 648/648 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 510 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 735ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 401 ms.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 296/296 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 352 transition count 294
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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 351 transition count 293
Applied a total of 9 rules in 36 ms. Remains 351 /352 variables (removed 1) and now considering 293/296 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 351/352 places, 293/296 transitions.
RANDOM walk for 40000 steps (534 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1485677 steps, run timeout after 3001 ms. (steps per millisecond=495 ) properties seen :0 out of 1
Probabilistic random walk after 1485677 steps, saw 207287 distinct states, run finished after 3001 ms. (steps per millisecond=495 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 21:59:48] [INFO ] Computed 60 invariants in 8 ms
[2024-05-21 21:59:48] [INFO ] State equation strengthened by 2 read => feed constraints.
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) 214/216 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/249 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 232/513 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/513 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/513 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 73/586 variables, 12/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 4/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/587 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/587 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/587 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 57/644 variables, 57/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 214/216 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/249 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 232/513 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/513 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/513 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 73/586 variables, 12/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 4/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 21:59:49] [INFO ] Deduced a trap composed of 11 places in 84 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/586 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/587 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/587 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/587 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 57/644 variables, 57/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 21:59:49] [INFO ] Deduced a trap composed of 8 places in 75 ms of which 1 ms to minimize.
[2024-05-21 21:59:49] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 1 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/644 variables, 2/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 582 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 842ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 368 ms.
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 10 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 10 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-05-21 21:59:49] [INFO ] Invariant cache hit.
[2024-05-21 21:59:50] [INFO ] Implicit Places using invariants in 206 ms returned []
[2024-05-21 21:59:50] [INFO ] Invariant cache hit.
[2024-05-21 21:59:50] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-21 21:59:50] [INFO ] Implicit Places using invariants and state equation in 532 ms returned []
Implicit Place search using SMT with State Equation took 759 ms to find 0 implicit places.
[2024-05-21 21:59:50] [INFO ] Redundant transitions in 4 ms returned []
Running 290 sub problems to find dead transitions.
[2024-05-21 21:59:50] [INFO ] Invariant cache hit.
[2024-05-21 21:59:50] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/350 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 21:59:58] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:00:04] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:00:06] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 1 ms to minimize.
[2024-05-21 22:00:09] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 2/416 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:00:11] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:00:18] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/643 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 643/644 variables, and 418 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 8/64 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:00:22] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 1 ms to minimize.
[2024-05-21 22:00:24] [INFO ] Deduced a trap composed of 8 places in 41 ms of which 0 ms to minimize.
[2024-05-21 22:00:24] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 1 ms to minimize.
[2024-05-21 22:00:24] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 4/70 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/350 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 293/643 variables, 350/420 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 2/422 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 290/712 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 712 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 10/10 constraints]
After SMT, in 60278ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60282ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61063 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 18 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 22:00:50] [INFO ] Computed 60 invariants in 8 ms
[2024-05-21 22:00:51] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 22:00:51] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 22:00:51] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 16 ms returned sat
[2024-05-21 22:00:51] [INFO ] After 162ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 22:00:51] [INFO ] Deduced a trap composed of 14 places in 107 ms of which 1 ms to minimize.
[2024-05-21 22:00:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 130 ms
TRAPS : Iteration 1
[2024-05-21 22:00:51] [INFO ] After 342ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 22:00:51] [INFO ] After 445ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 535 ms.
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 124 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 96 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Support contains 2 out of 352 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 3 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 22:00:51] [INFO ] Computed 58 invariants in 6 ms
[2024-05-21 22:00:52] [INFO ] Implicit Places using invariants in 187 ms returned []
[2024-05-21 22:00:52] [INFO ] Invariant cache hit.
[2024-05-21 22:00:52] [INFO ] Implicit Places using invariants and state equation in 357 ms returned []
Implicit Place search using SMT with State Equation took 558 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 22:00:52] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:00:58] [INFO ] Deduced a trap composed of 12 places in 85 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:01:09] [INFO ] Deduced a trap composed of 9 places in 67 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26359 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:01:22] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 0 ms to minimize.
[2024-05-21 22:01:22] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56607ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56611ms
Finished structural reductions in LTL mode , in 1 iterations and 57175 ms. Remains : 352/352 places, 296/296 transitions.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Detected a total of 255/352 stabilizing places and 250/296 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p1, (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 83 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 40000 steps (890 resets) in 107 ms. (370 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (184 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1368647 steps, run timeout after 3001 ms. (steps per millisecond=456 ) properties seen :0 out of 1
Probabilistic random walk after 1368647 steps, saw 192461 distinct states, run finished after 3001 ms. (steps per millisecond=456 ) properties seen :0
[2024-05-21 22:01:52] [INFO ] Invariant cache hit.
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 410 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 22:01:52] [INFO ] Deduced a trap composed of 17 places in 68 ms of which 1 ms to minimize.
[2024-05-21 22:01:52] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/648 variables, 2/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/648 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/648 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 648/648 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 493 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 680ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 403 ms.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 296/296 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 352 transition count 294
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 352 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 351 transition count 293
Applied a total of 9 rules in 29 ms. Remains 351 /352 variables (removed 1) and now considering 293/296 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 351/352 places, 293/296 transitions.
RANDOM walk for 40000 steps (543 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1259686 steps, run timeout after 3001 ms. (steps per millisecond=419 ) properties seen :0 out of 1
Probabilistic random walk after 1259686 steps, saw 176004 distinct states, run finished after 3016 ms. (steps per millisecond=417 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 22:01:56] [INFO ] Computed 60 invariants in 7 ms
[2024-05-21 22:01:56] [INFO ] State equation strengthened by 2 read => feed constraints.
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) 214/216 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/249 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 232/513 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/513 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/513 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 73/586 variables, 12/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 4/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/586 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/587 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/587 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/587 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 57/644 variables, 57/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/644 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 413 constraints, problems are : Problem set: 0 solved, 1 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 214/216 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/216 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/249 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 232/513 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/513 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/513 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 73/586 variables, 12/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 4/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/586 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 22:01:56] [INFO ] Deduced a trap composed of 11 places in 86 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/586 variables, 1/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/586 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/587 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/587 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/587 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 57/644 variables, 57/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 22:01:57] [INFO ] Deduced a trap composed of 8 places in 70 ms of which 2 ms to minimize.
[2024-05-21 22:01:57] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 1 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/644 variables, 2/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/644 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/644 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 417 constraints, problems are : Problem set: 0 solved, 1 unsolved in 575 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 816ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 365 ms.
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 19 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 10 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-05-21 22:01:57] [INFO ] Invariant cache hit.
[2024-05-21 22:01:57] [INFO ] Implicit Places using invariants in 192 ms returned []
[2024-05-21 22:01:57] [INFO ] Invariant cache hit.
[2024-05-21 22:01:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-21 22:01:58] [INFO ] Implicit Places using invariants and state equation in 506 ms returned []
Implicit Place search using SMT with State Equation took 701 ms to find 0 implicit places.
[2024-05-21 22:01:58] [INFO ] Redundant transitions in 6 ms returned []
Running 290 sub problems to find dead transitions.
[2024-05-21 22:01:58] [INFO ] Invariant cache hit.
[2024-05-21 22:01:58] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/350 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:02:05] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:02:11] [INFO ] Deduced a trap composed of 6 places in 47 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:02:14] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 1 ms to minimize.
[2024-05-21 22:02:17] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 2/416 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:02:19] [INFO ] Deduced a trap composed of 14 places in 62 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:02:26] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/643 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 643/644 variables, and 418 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 4/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 8/64 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:02:30] [INFO ] Deduced a trap composed of 8 places in 55 ms of which 1 ms to minimize.
[2024-05-21 22:02:32] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 1 ms to minimize.
[2024-05-21 22:02:32] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 1 ms to minimize.
[2024-05-21 22:02:32] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 4/70 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/350 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (OVERLAPS) 293/643 variables, 350/420 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 2/422 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 290/712 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 712 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 10/10 constraints]
After SMT, in 60316ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60320ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61049 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 15 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 22:02:58] [INFO ] Computed 60 invariants in 6 ms
[2024-05-21 22:02:58] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 22:02:58] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 22:02:58] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 15 ms returned sat
[2024-05-21 22:02:59] [INFO ] After 160ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 22:02:59] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 2 ms to minimize.
[2024-05-21 22:02:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 113 ms
TRAPS : Iteration 1
[2024-05-21 22:02:59] [INFO ] After 321ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 22:02:59] [INFO ] After 409ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 481 ms.
Knowledge obtained : [p1, (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 117 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 107 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 100 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 2250 reset in 219 ms.
Product exploration explored 100000 steps with 2252 reset in 234 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 124 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 23 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:03:00] [INFO ] Redundant transitions in 2 ms returned []
Running 295 sub problems to find dead transitions.
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 22:03:00] [INFO ] Computed 58 invariants in 3 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:03:06] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 2 ms to minimize.
[2024-05-21 22:03:09] [INFO ] Deduced a trap composed of 10 places in 59 ms of which 1 ms to minimize.
[2024-05-21 22:03:09] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 3/413 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:03:13] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (OVERLAPS) 0/648 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 414 constraints, problems are : Problem set: 0 solved, 295 unsolved in 22729 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 52993ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 52996ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 53039 ms. Remains : 352/352 places, 296/296 transitions.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 12 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:03:53] [INFO ] Invariant cache hit.
[2024-05-21 22:03:53] [INFO ] Implicit Places using invariants in 170 ms returned []
[2024-05-21 22:03:53] [INFO ] Invariant cache hit.
[2024-05-21 22:03:53] [INFO ] Implicit Places using invariants and state equation in 350 ms returned []
Implicit Place search using SMT with State Equation took 522 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 22:03:54] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:04:00] [INFO ] Deduced a trap composed of 12 places in 84 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:04:10] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26404 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:04:24] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 0 ms to minimize.
[2024-05-21 22:04:24] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56661ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56664ms
Finished structural reductions in LTL mode , in 1 iterations and 57199 ms. Remains : 352/352 places, 296/296 transitions.
Treatment of property DES-PT-60a-LTLCardinality-00 finished in 367852 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(p0))||G((p1||G(p2))))))'
Support contains 7 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 5 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:04:50] [INFO ] Invariant cache hit.
[2024-05-21 22:04:50] [INFO ] Implicit Places using invariants in 203 ms returned []
[2024-05-21 22:04:50] [INFO ] Invariant cache hit.
[2024-05-21 22:04:51] [INFO ] Implicit Places using invariants and state equation in 400 ms returned []
Implicit Place search using SMT with State Equation took 605 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 22:04:51] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:04:57] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:05:08] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26160 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:05:21] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 0 ms to minimize.
[2024-05-21 22:05:21] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56424ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56427ms
Finished structural reductions in LTL mode , in 1 iterations and 57039 ms. Remains : 352/352 places, 296/296 transitions.
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DES-PT-60a-LTLCardinality-02
Product exploration explored 100000 steps with 2391 reset in 238 ms.
Product exploration explored 100000 steps with 2399 reset in 263 ms.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 242 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 54 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p1)), (X (X (NOT p1))), (F p0)]
Knowledge based reduction with 12 factoid took 276 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 73 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 155 ms :[(NOT p0), (NOT p0)]
[2024-05-21 22:05:49] [INFO ] Invariant cache hit.
[2024-05-21 22:05:49] [INFO ] [Real]Absence check using 33 positive place invariants in 8 ms returned sat
[2024-05-21 22:05:49] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 25 ms returned sat
[2024-05-21 22:05:56] [INFO ] [Real]Absence check using state equation in 7230 ms returned sat
[2024-05-21 22:05:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 22:05:56] [INFO ] [Nat]Absence check using 33 positive place invariants in 9 ms returned sat
[2024-05-21 22:05:56] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 20 ms returned sat
[2024-05-21 22:05:59] [INFO ] [Nat]Absence check using state equation in 2609 ms returned sat
[2024-05-21 22:05:59] [INFO ] Computed and/alt/rep : 288/864/288 causal constraints (skipped 7 transitions) in 24 ms.
[2024-05-21 22:06:00] [INFO ] Added : 65 causal constraints over 13 iterations in 807 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 352 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 15 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:06:00] [INFO ] Invariant cache hit.
[2024-05-21 22:06:00] [INFO ] Implicit Places using invariants in 190 ms returned []
[2024-05-21 22:06:00] [INFO ] Invariant cache hit.
[2024-05-21 22:06:00] [INFO ] Implicit Places using invariants and state equation in 343 ms returned []
Implicit Place search using SMT with State Equation took 535 ms to find 0 implicit places.
[2024-05-21 22:06:00] [INFO ] Redundant transitions in 2 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:06:00] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:06:06] [INFO ] Deduced a trap composed of 12 places in 79 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:06:17] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26686 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:06:31] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 1 ms to minimize.
[2024-05-21 22:06:31] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56938ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56941ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57498 ms. Remains : 352/352 places, 296/296 transitions.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Knowledge obtained : [(NOT p0), (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 114 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 60 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X p0))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 111 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)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
[2024-05-21 22:06:58] [INFO ] Invariant cache hit.
[2024-05-21 22:06:58] [INFO ] [Real]Absence check using 33 positive place invariants in 8 ms returned sat
[2024-05-21 22:06:58] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 24 ms returned sat
[2024-05-21 22:07:05] [INFO ] [Real]Absence check using state equation in 7111 ms returned sat
[2024-05-21 22:07:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 22:07:05] [INFO ] [Nat]Absence check using 33 positive place invariants in 9 ms returned sat
[2024-05-21 22:07:05] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 19 ms returned sat
[2024-05-21 22:07:08] [INFO ] [Nat]Absence check using state equation in 2613 ms returned sat
[2024-05-21 22:07:08] [INFO ] Computed and/alt/rep : 288/864/288 causal constraints (skipped 7 transitions) in 19 ms.
[2024-05-21 22:07:09] [INFO ] Added : 65 causal constraints over 13 iterations in 729 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 4577 reset in 227 ms.
Product exploration explored 100000 steps with 4612 reset in 354 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 10 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:07:09] [INFO ] Invariant cache hit.
[2024-05-21 22:07:09] [INFO ] Implicit Places using invariants in 176 ms returned []
[2024-05-21 22:07:09] [INFO ] Invariant cache hit.
[2024-05-21 22:07:10] [INFO ] Implicit Places using invariants and state equation in 362 ms returned []
Implicit Place search using SMT with State Equation took 541 ms to find 0 implicit places.
[2024-05-21 22:07:10] [INFO ] Redundant transitions in 2 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:07:10] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:07:16] [INFO ] Deduced a trap composed of 12 places in 80 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:07:27] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26799 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:07:41] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 1 ms to minimize.
[2024-05-21 22:07:41] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 57065ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 57070ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57628 ms. Remains : 352/352 places, 296/296 transitions.
Treatment of property DES-PT-60a-LTLCardinality-02 finished in 196725 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 10 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:08:07] [INFO ] Invariant cache hit.
[2024-05-21 22:08:07] [INFO ] Implicit Places using invariants in 169 ms returned []
[2024-05-21 22:08:07] [INFO ] Invariant cache hit.
[2024-05-21 22:08:08] [INFO ] Implicit Places using invariants and state equation in 351 ms returned []
Implicit Place search using SMT with State Equation took 521 ms to find 0 implicit places.
[2024-05-21 22:08:08] [INFO ] Redundant transitions in 2 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:08:08] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:08:13] [INFO ] Deduced a trap composed of 12 places in 79 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:08:25] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26952 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:08:38] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 1 ms to minimize.
[2024-05-21 22:08:39] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 57180ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 57183ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57720 ms. Remains : 352/352 places, 296/296 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-60a-LTLCardinality-05
Stuttering criterion allowed to conclude after 25 steps with 0 reset in 0 ms.
FORMULA DES-PT-60a-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-60a-LTLCardinality-05 finished in 57779 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(!p0)) U (X(p1)||G(p2))))'
Support contains 5 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 6 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:09:05] [INFO ] Invariant cache hit.
[2024-05-21 22:09:05] [INFO ] Implicit Places using invariants in 187 ms returned []
[2024-05-21 22:09:05] [INFO ] Invariant cache hit.
[2024-05-21 22:09:05] [INFO ] Implicit Places using invariants and state equation in 348 ms returned []
Implicit Place search using SMT with State Equation took 537 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 22:09:05] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:09:11] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:09:22] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26652 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:09:36] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 0 ms to minimize.
[2024-05-21 22:09:36] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56927ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56931ms
Finished structural reductions in LTL mode , in 1 iterations and 57476 ms. Remains : 352/352 places, 296/296 transitions.
Stuttering acceptance computed with spot in 297 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) p0), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p2) (NOT p1)), p0, true, (AND (NOT p2) p0), (NOT p2)]
Running random walk in product with property : DES-PT-60a-LTLCardinality-06
Product exploration explored 100000 steps with 50000 reset in 458 ms.
Product exploration explored 100000 steps with 50000 reset in 450 ms.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Detected a total of 255/352 stabilizing places and 250/296 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 (AND (NOT p2) (NOT p1)))), (X (NOT p2)), (X p1), (X (NOT (AND p2 (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X p1)), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) p0))), (X (X (NOT (AND p2 p0)))), (X (X p0)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 17 ms. Reduced automaton from 8 states, 16 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-60a-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-60a-LTLCardinality-06 finished in 58725 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 5 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:10:03] [INFO ] Invariant cache hit.
[2024-05-21 22:10:04] [INFO ] Implicit Places using invariants in 173 ms returned []
[2024-05-21 22:10:04] [INFO ] Invariant cache hit.
[2024-05-21 22:10:04] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 526 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 22:10:04] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:10:10] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:10:21] [INFO ] Deduced a trap composed of 9 places in 63 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26833 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:10:35] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 1 ms to minimize.
[2024-05-21 22:10:35] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 57060ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 57063ms
Finished structural reductions in LTL mode , in 1 iterations and 57595 ms. Remains : 352/352 places, 296/296 transitions.
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-60a-LTLCardinality-10
Product exploration explored 100000 steps with 33333 reset in 344 ms.
Product exploration explored 100000 steps with 33333 reset in 363 ms.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Detected a total of 255/352 stabilizing places and 250/296 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 18 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-60a-LTLCardinality-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-60a-LTLCardinality-10 finished in 58446 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((!p0 U (p1||G(!p0))))))'
Support contains 4 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 12 ms. Remains 351 /352 variables (removed 1) and now considering 295/296 (removed 1) transitions.
// Phase 1: matrix 295 rows 351 cols
[2024-05-21 22:11:02] [INFO ] Computed 58 invariants in 5 ms
[2024-05-21 22:11:02] [INFO ] Implicit Places using invariants in 177 ms returned []
[2024-05-21 22:11:02] [INFO ] Invariant cache hit.
[2024-05-21 22:11:02] [INFO ] Implicit Places using invariants and state equation in 392 ms returned []
Implicit Place search using SMT with State Equation took 571 ms to find 0 implicit places.
[2024-05-21 22:11:02] [INFO ] Redundant transitions in 1 ms returned []
Running 292 sub problems to find dead transitions.
[2024-05-21 22:11:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 295/645 variables, 350/408 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:11:12] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 1 ms to minimize.
[2024-05-21 22:11:12] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 0 ms to minimize.
[2024-05-21 22:11:12] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 3/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 1/646 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:11:20] [INFO ] Deduced a trap composed of 15 places in 102 ms of which 2 ms to minimize.
[2024-05-21 22:11:20] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 2 ms to minimize.
[2024-05-21 22:11:20] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 2 ms to minimize.
[2024-05-21 22:11:20] [INFO ] Deduced a trap composed of 19 places in 77 ms of which 1 ms to minimize.
[2024-05-21 22:11:20] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
[2024-05-21 22:11:22] [INFO ] Deduced a trap composed of 12 places in 79 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 6/418 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:11:30] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 10/10 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 295/645 variables, 350/417 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/645 variables, 292/709 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 645/646 variables, and 709 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 9/10 constraints]
After SMT, in 60254ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60257ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60845 ms. Remains : 351/352 places, 295/296 transitions.
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : DES-PT-60a-LTLCardinality-12
Stuttering criterion allowed to conclude after 38 steps with 0 reset in 1 ms.
FORMULA DES-PT-60a-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-60a-LTLCardinality-12 finished in 60938 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 13 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 22:12:03] [INFO ] Computed 58 invariants in 3 ms
[2024-05-21 22:12:03] [INFO ] Implicit Places using invariants in 176 ms returned []
[2024-05-21 22:12:03] [INFO ] Invariant cache hit.
[2024-05-21 22:12:03] [INFO ] Implicit Places using invariants and state equation in 358 ms returned []
Implicit Place search using SMT with State Equation took 536 ms to find 0 implicit places.
[2024-05-21 22:12:03] [INFO ] Redundant transitions in 1 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:12:03] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:12:10] [INFO ] Deduced a trap composed of 12 places in 82 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:12:21] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 27594 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:12:35] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 0 ms to minimize.
[2024-05-21 22:12:35] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 57842ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 57845ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 58399 ms. Remains : 352/352 places, 296/296 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-60a-LTLCardinality-13
Product exploration explored 100000 steps with 2264 reset in 211 ms.
Product exploration explored 100000 steps with 2232 reset in 229 ms.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Detected a total of 255/352 stabilizing places and 250/296 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 104 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 48 ms :[(NOT p0)]
RANDOM walk for 40000 steps (887 resets) in 207 ms. (192 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (181 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1397781 steps, run timeout after 3001 ms. (steps per millisecond=465 ) properties seen :0 out of 1
Probabilistic random walk after 1397781 steps, saw 195771 distinct states, run finished after 3001 ms. (steps per millisecond=465 ) properties seen :0
[2024-05-21 22:13:05] [INFO ] Invariant cache hit.
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 410 constraints, problems are : Problem set: 0 solved, 1 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 648/648 variables, and 411 constraints, problems are : Problem set: 0 solved, 1 unsolved in 434 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 692ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 186 ms.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 296/296 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 352 transition count 294
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 352 transition count 294
Applied a total of 8 rules in 22 ms. Remains 352 /352 variables (removed 0) and now considering 294/296 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 352/352 places, 294/296 transitions.
RANDOM walk for 40000 steps (535 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (96 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1214120 steps, run timeout after 3001 ms. (steps per millisecond=404 ) properties seen :0 out of 1
Probabilistic random walk after 1214120 steps, saw 170074 distinct states, run finished after 3001 ms. (steps per millisecond=404 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2024-05-21 22:13:09] [INFO ] Computed 60 invariants in 7 ms
[2024-05-21 22:13:09] [INFO ] State equation strengthened by 3 read => feed constraints.
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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/275 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/293 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/587 variables, 293/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/587 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/587 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 59/646 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 189 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/275 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/293 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/587 variables, 293/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/587 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/587 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 59/646 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 345 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 546ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 210 ms.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 7 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 352/352 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 7 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2024-05-21 22:13:10] [INFO ] Invariant cache hit.
[2024-05-21 22:13:10] [INFO ] Implicit Places using invariants in 198 ms returned []
[2024-05-21 22:13:10] [INFO ] Invariant cache hit.
[2024-05-21 22:13:10] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 22:13:10] [INFO ] Implicit Places using invariants and state equation in 421 ms returned []
Implicit Place search using SMT with State Equation took 622 ms to find 0 implicit places.
[2024-05-21 22:13:10] [INFO ] Redundant transitions in 2 ms returned []
Running 293 sub problems to find dead transitions.
[2024-05-21 22:13:10] [INFO ] Invariant cache hit.
[2024-05-21 22:13:10] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 5 (OVERLAPS) 294/646 variables, 352/412 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 3/415 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:13:23] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/646 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:13:31] [INFO ] Deduced a trap composed of 7 places in 71 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:13:43] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
[2024-05-21 22:13:44] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 0 ms to minimize.
[2024-05-21 22:13:45] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (OVERLAPS) 294/646 variables, 352/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 3/420 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 293/713 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:14:09] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 2 ms to minimize.
[2024-05-21 22:14:09] [INFO ] Deduced a trap composed of 17 places in 82 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 715 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 7/7 constraints]
After SMT, in 60260ms problems are : Problem set: 0 solved, 293 unsolved
Search for dead transitions found 0 dead transitions in 60263ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60905 ms. Remains : 352/352 places, 294/294 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 352 transition count 294
Applied a total of 1 rules in 15 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 294 rows 352 cols
[2024-05-21 22:14:11] [INFO ] Computed 60 invariants in 8 ms
[2024-05-21 22:14:11] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 22:14:11] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 22:14:11] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 16 ms returned sat
[2024-05-21 22:14:11] [INFO ] After 171ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 22:14:11] [INFO ] After 225ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 22:14:11] [INFO ] After 334ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 415 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 88 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)]
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 13 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 22:14:11] [INFO ] Computed 58 invariants in 8 ms
[2024-05-21 22:14:11] [INFO ] Implicit Places using invariants in 185 ms returned []
[2024-05-21 22:14:11] [INFO ] Invariant cache hit.
[2024-05-21 22:14:12] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 536 ms to find 0 implicit places.
[2024-05-21 22:14:12] [INFO ] Redundant transitions in 2 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:14:12] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:14:18] [INFO ] Deduced a trap composed of 12 places in 77 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:14:29] [INFO ] Deduced a trap composed of 9 places in 62 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26433 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:14:42] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 0 ms to minimize.
[2024-05-21 22:14:42] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56727ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56732ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57294 ms. Remains : 352/352 places, 296/296 transitions.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Detected a total of 255/352 stabilizing places and 250/296 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 76 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 24 ms :[(NOT p0)]
RANDOM walk for 40000 steps (876 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (184 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1403388 steps, run timeout after 3001 ms. (steps per millisecond=467 ) properties seen :0 out of 1
Probabilistic random walk after 1403388 steps, saw 196741 distinct states, run finished after 3001 ms. (steps per millisecond=467 ) properties seen :0
[2024-05-21 22:15:12] [INFO ] Invariant cache hit.
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/648 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 410 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: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 213/215 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/215 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 53/268 variables, 33/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 22/290 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 295/585 variables, 290/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/585 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 63/648 variables, 62/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 648/648 variables, and 411 constraints, problems are : Problem set: 0 solved, 1 unsolved in 423 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 680ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 188 ms.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 296/296 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 352 transition count 294
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 352 transition count 294
Applied a total of 8 rules in 13 ms. Remains 352 /352 variables (removed 0) and now considering 294/296 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 352/352 places, 294/296 transitions.
RANDOM walk for 40000 steps (539 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (97 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1369040 steps, run timeout after 3001 ms. (steps per millisecond=456 ) properties seen :0 out of 1
Probabilistic random walk after 1369040 steps, saw 191475 distinct states, run finished after 3001 ms. (steps per millisecond=456 ) properties seen :0
// Phase 1: matrix 294 rows 352 cols
[2024-05-21 22:15:16] [INFO ] Computed 60 invariants in 12 ms
[2024-05-21 22:15:16] [INFO ] State equation strengthened by 3 read => feed constraints.
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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/275 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/293 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/587 variables, 293/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/587 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/587 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 59/646 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 1 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 58/275 variables, 35/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 18/293 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 294/587 variables, 293/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/587 variables, 3/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/587 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 59/646 variables, 59/415 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/646 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 416 constraints, problems are : Problem set: 0 solved, 1 unsolved in 342 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 560ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 191 ms.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 6 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 352/352 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 6 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2024-05-21 22:15:16] [INFO ] Invariant cache hit.
[2024-05-21 22:15:17] [INFO ] Implicit Places using invariants in 187 ms returned []
[2024-05-21 22:15:17] [INFO ] Invariant cache hit.
[2024-05-21 22:15:17] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 22:15:17] [INFO ] Implicit Places using invariants and state equation in 382 ms returned []
Implicit Place search using SMT with State Equation took 584 ms to find 0 implicit places.
[2024-05-21 22:15:17] [INFO ] Redundant transitions in 1 ms returned []
Running 293 sub problems to find dead transitions.
[2024-05-21 22:15:17] [INFO ] Invariant cache hit.
[2024-05-21 22:15:17] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 5 (OVERLAPS) 294/646 variables, 352/412 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 3/415 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:15:29] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/646 variables, 1/416 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:15:37] [INFO ] Deduced a trap composed of 7 places in 71 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 0/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 417 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:15:49] [INFO ] Deduced a trap composed of 10 places in 22 ms of which 1 ms to minimize.
[2024-05-21 22:15:51] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 1 ms to minimize.
[2024-05-21 22:15:51] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 7 (OVERLAPS) 294/646 variables, 352/417 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 3/420 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 293/713 constraints. Problems are: Problem set: 0 solved, 293 unsolved
[2024-05-21 22:16:15] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 1 ms to minimize.
[2024-05-21 22:16:15] [INFO ] Deduced a trap composed of 17 places in 73 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 715 constraints, problems are : Problem set: 0 solved, 293 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 7/7 constraints]
After SMT, in 60266ms problems are : Problem set: 0 solved, 293 unsolved
Search for dead transitions found 0 dead transitions in 60271ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60868 ms. Remains : 352/352 places, 294/294 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 352 transition count 294
Applied a total of 1 rules in 13 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 294 rows 352 cols
[2024-05-21 22:16:17] [INFO ] Computed 60 invariants in 7 ms
[2024-05-21 22:16:17] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 22:16:17] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 22:16:17] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 16 ms returned sat
[2024-05-21 22:16:18] [INFO ] After 177ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 22:16:18] [INFO ] After 233ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 22:16:18] [INFO ] After 353ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 435 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 90 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 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2198 reset in 210 ms.
Product exploration explored 100000 steps with 2235 reset in 235 ms.
Support contains 2 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 22 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 22:16:18] [INFO ] Computed 58 invariants in 8 ms
[2024-05-21 22:16:19] [INFO ] Implicit Places using invariants in 194 ms returned []
[2024-05-21 22:16:19] [INFO ] Invariant cache hit.
[2024-05-21 22:16:19] [INFO ] Implicit Places using invariants and state equation in 346 ms returned []
Implicit Place search using SMT with State Equation took 551 ms to find 0 implicit places.
[2024-05-21 22:16:19] [INFO ] Redundant transitions in 1 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:16:19] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:16:25] [INFO ] Deduced a trap composed of 12 places in 79 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:16:36] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26422 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:16:49] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 1 ms to minimize.
[2024-05-21 22:16:49] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56680ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56683ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57263 ms. Remains : 352/352 places, 296/296 transitions.
Treatment of property DES-PT-60a-LTLCardinality-13 finished in 312878 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(p1))))'
Support contains 3 out of 352 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 4 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:17:16] [INFO ] Invariant cache hit.
[2024-05-21 22:17:16] [INFO ] Implicit Places using invariants in 171 ms returned []
[2024-05-21 22:17:16] [INFO ] Invariant cache hit.
[2024-05-21 22:17:16] [INFO ] Implicit Places using invariants and state equation in 366 ms returned []
Implicit Place search using SMT with State Equation took 539 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 22:17:16] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:17:22] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:17:33] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 25908 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:17:46] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 1 ms to minimize.
[2024-05-21 22:17:46] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56154ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56158ms
Finished structural reductions in LTL mode , in 1 iterations and 56702 ms. Remains : 352/352 places, 296/296 transitions.
Stuttering acceptance computed with spot in 112 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DES-PT-60a-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DES-PT-60a-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-60a-LTLCardinality-14 finished in 56831 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(G(p1)))))'
Found a Lengthening insensitive property : DES-PT-60a-LTLCardinality-00
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), true]
Support contains 4 out of 352 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 10 ms. Remains 351 /352 variables (removed 1) and now considering 295/296 (removed 1) transitions.
// Phase 1: matrix 295 rows 351 cols
[2024-05-21 22:18:13] [INFO ] Computed 58 invariants in 4 ms
[2024-05-21 22:18:13] [INFO ] Implicit Places using invariants in 173 ms returned []
[2024-05-21 22:18:13] [INFO ] Invariant cache hit.
[2024-05-21 22:18:13] [INFO ] Implicit Places using invariants and state equation in 388 ms returned []
Implicit Place search using SMT with State Equation took 563 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2024-05-21 22:18:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 295/645 variables, 350/408 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:18:23] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 1 ms to minimize.
[2024-05-21 22:18:23] [INFO ] Deduced a trap composed of 9 places in 45 ms of which 1 ms to minimize.
[2024-05-21 22:18:23] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 3/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 1/646 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:18:31] [INFO ] Deduced a trap composed of 15 places in 110 ms of which 3 ms to minimize.
[2024-05-21 22:18:31] [INFO ] Deduced a trap composed of 14 places in 89 ms of which 2 ms to minimize.
[2024-05-21 22:18:31] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 2 ms to minimize.
[2024-05-21 22:18:31] [INFO ] Deduced a trap composed of 19 places in 68 ms of which 2 ms to minimize.
[2024-05-21 22:18:32] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 0 ms to minimize.
[2024-05-21 22:18:33] [INFO ] Deduced a trap composed of 12 places in 80 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 6/418 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:18:41] [INFO ] Deduced a trap composed of 8 places in 85 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 10/10 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 295/645 variables, 350/417 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/645 variables, 292/709 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 645/646 variables, and 709 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 9/10 constraints]
After SMT, in 60248ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60253ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 60828 ms. Remains : 351/352 places, 295/296 transitions.
Running random walk in product with property : DES-PT-60a-LTLCardinality-00
Product exploration explored 100000 steps with 2276 reset in 203 ms.
Product exploration explored 100000 steps with 2284 reset in 225 ms.
Computed a total of 254 stabilizing places and 249 stable transitions
Computed a total of 254 stabilizing places and 249 stable transitions
Detected a total of 254/351 stabilizing places and 249/295 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 129 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 40000 steps (911 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (183 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1331920 steps, run timeout after 3001 ms. (steps per millisecond=443 ) properties seen :0 out of 1
Probabilistic random walk after 1331920 steps, saw 187843 distinct states, run finished after 3001 ms. (steps per millisecond=443 ) properties seen :0
[2024-05-21 22:19:17] [INFO ] Invariant cache hit.
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) 212/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/245 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/274 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 231/512 variables, 281/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 76/588 variables, 12/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/588 variables, 4/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/588 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 58/646 variables, 58/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/646 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/646 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 409 constraints, problems are : Problem set: 0 solved, 1 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 212/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/245 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/274 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 231/512 variables, 281/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 76/588 variables, 12/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/588 variables, 4/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/588 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/588 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 58/646 variables, 58/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/646 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/646 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 410 constraints, problems are : Problem set: 0 solved, 1 unsolved in 335 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 549ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 389 ms.
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 295/295 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 351 transition count 293
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 351 transition count 293
Applied a total of 4 rules in 22 ms. Remains 351 /351 variables (removed 0) and now considering 293/295 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 351/351 places, 293/295 transitions.
RANDOM walk for 40000 steps (679 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (114 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1327064 steps, run timeout after 3001 ms. (steps per millisecond=442 ) properties seen :0 out of 1
Probabilistic random walk after 1327064 steps, saw 185508 distinct states, run finished after 3001 ms. (steps per millisecond=442 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 22:19:21] [INFO ] Computed 60 invariants in 11 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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/250 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/511 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/511 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 75/586 variables, 12/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 4/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/587 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/587 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/587 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 57/644 variables, 57/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/644 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/644 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 411 constraints, problems are : Problem set: 0 solved, 1 unsolved in 252 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/250 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/511 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/511 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 75/586 variables, 12/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 4/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/586 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/587 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/587 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/587 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 57/644 variables, 57/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/644 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/644 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 412 constraints, problems are : Problem set: 0 solved, 1 unsolved in 338 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 610ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 400 ms.
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 6 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 6 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-05-21 22:19:22] [INFO ] Invariant cache hit.
[2024-05-21 22:19:23] [INFO ] Implicit Places using invariants in 213 ms returned []
[2024-05-21 22:19:23] [INFO ] Invariant cache hit.
[2024-05-21 22:19:23] [INFO ] Implicit Places using invariants and state equation in 376 ms returned []
Implicit Place search using SMT with State Equation took 591 ms to find 0 implicit places.
[2024-05-21 22:19:23] [INFO ] Redundant transitions in 2 ms returned []
Running 290 sub problems to find dead transitions.
[2024-05-21 22:19:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (OVERLAPS) 2/350 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:19:29] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 0 ms to minimize.
[2024-05-21 22:19:33] [INFO ] Deduced a trap composed of 9 places in 63 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:19:37] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:19:42] [INFO ] Deduced a trap composed of 19 places in 66 ms of which 1 ms to minimize.
[2024-05-21 22:19:44] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 0 ms to minimize.
[2024-05-21 22:19:44] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 3/416 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:19:46] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 290 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 643/644 variables, and 417 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 5/57 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 8/65 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (OVERLAPS) 293/643 variables, 350/417 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 290/707 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:20:19] [INFO ] Deduced a trap composed of 13 places in 88 ms of which 2 ms to minimize.
[2024-05-21 22:20:19] [INFO ] Deduced a trap composed of 65 places in 48 ms of which 1 ms to minimize.
[2024-05-21 22:20:20] [INFO ] Deduced a trap composed of 67 places in 34 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 710 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 10/10 constraints]
After SMT, in 60259ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60262ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60866 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 12 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 22:20:23] [INFO ] Computed 60 invariants in 16 ms
[2024-05-21 22:20:23] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 22:20:23] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 22:20:23] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 15 ms returned sat
[2024-05-21 22:20:24] [INFO ] After 141ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 22:20:24] [INFO ] Deduced a trap composed of 16 places in 70 ms of which 1 ms to minimize.
[2024-05-21 22:20:24] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 1 ms to minimize.
[2024-05-21 22:20:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 181 ms
TRAPS : Iteration 1
[2024-05-21 22:20:24] [INFO ] After 363ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 22:20:24] [INFO ] After 453ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 546 ms.
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 128 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 124 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Support contains 2 out of 351 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 351/351 places, 295/295 transitions.
Applied a total of 0 rules in 6 ms. Remains 351 /351 variables (removed 0) and now considering 295/295 (removed 0) transitions.
// Phase 1: matrix 295 rows 351 cols
[2024-05-21 22:20:24] [INFO ] Computed 58 invariants in 5 ms
[2024-05-21 22:20:24] [INFO ] Implicit Places using invariants in 207 ms returned []
[2024-05-21 22:20:24] [INFO ] Invariant cache hit.
[2024-05-21 22:20:25] [INFO ] Implicit Places using invariants and state equation in 412 ms returned []
Implicit Place search using SMT with State Equation took 619 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2024-05-21 22:20:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 295/645 variables, 350/408 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:20:34] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 1 ms to minimize.
[2024-05-21 22:20:35] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 0 ms to minimize.
[2024-05-21 22:20:35] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 3/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 1/646 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:20:43] [INFO ] Deduced a trap composed of 15 places in 96 ms of which 2 ms to minimize.
[2024-05-21 22:20:43] [INFO ] Deduced a trap composed of 14 places in 89 ms of which 2 ms to minimize.
[2024-05-21 22:20:43] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 2 ms to minimize.
[2024-05-21 22:20:43] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 2 ms to minimize.
[2024-05-21 22:20:43] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-05-21 22:20:45] [INFO ] Deduced a trap composed of 12 places in 80 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 6/418 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:20:53] [INFO ] Deduced a trap composed of 8 places in 79 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 10/10 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 295/645 variables, 350/417 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/645 variables, 292/709 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 645/646 variables, and 709 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 9/10 constraints]
After SMT, in 60269ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60273ms
Finished structural reductions in LTL mode , in 1 iterations and 60900 ms. Remains : 351/351 places, 295/295 transitions.
Computed a total of 254 stabilizing places and 249 stable transitions
Computed a total of 254 stabilizing places and 249 stable transitions
Detected a total of 254/351 stabilizing places and 249/295 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p1, (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 86 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 40000 steps (892 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (190 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1359260 steps, run timeout after 3001 ms. (steps per millisecond=452 ) properties seen :0 out of 1
Probabilistic random walk after 1359260 steps, saw 191347 distinct states, run finished after 3001 ms. (steps per millisecond=452 ) properties seen :0
[2024-05-21 22:21:28] [INFO ] Invariant cache hit.
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) 212/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/245 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/274 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 231/512 variables, 281/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 76/588 variables, 12/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/588 variables, 4/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/588 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 58/646 variables, 58/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/646 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/646 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 409 constraints, problems are : Problem set: 0 solved, 1 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 212/214 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/214 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 31/245 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/274 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 231/512 variables, 281/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 76/588 variables, 12/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/588 variables, 4/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/588 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/588 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 58/646 variables, 58/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/646 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/646 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 410 constraints, problems are : Problem set: 0 solved, 1 unsolved in 325 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 570ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 384 ms.
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 295/295 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 351 transition count 293
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 351 transition count 293
Applied a total of 4 rules in 15 ms. Remains 351 /351 variables (removed 0) and now considering 293/295 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 351/351 places, 293/295 transitions.
RANDOM walk for 40000 steps (650 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (118 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1344518 steps, run timeout after 3001 ms. (steps per millisecond=448 ) properties seen :0 out of 1
Probabilistic random walk after 1344518 steps, saw 188104 distinct states, run finished after 3001 ms. (steps per millisecond=448 ) properties seen :0
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 22:21:32] [INFO ] Computed 60 invariants in 11 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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/250 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/511 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/511 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 75/586 variables, 12/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 4/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/587 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/587 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/587 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 57/644 variables, 57/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/644 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/644 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 644/644 variables, and 411 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: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 215/217 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/250 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/274 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/281 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/281 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 230/511 variables, 281/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/511 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 75/586 variables, 12/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/586 variables, 4/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/586 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/586 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/587 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/587 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/587 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 57/644 variables, 57/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/644 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/644 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 644/644 variables, and 412 constraints, problems are : Problem set: 0 solved, 1 unsolved in 328 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 564ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 405 ms.
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 19 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 6 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-05-21 22:21:33] [INFO ] Invariant cache hit.
[2024-05-21 22:21:34] [INFO ] Implicit Places using invariants in 185 ms returned []
[2024-05-21 22:21:34] [INFO ] Invariant cache hit.
[2024-05-21 22:21:34] [INFO ] Implicit Places using invariants and state equation in 379 ms returned []
Implicit Place search using SMT with State Equation took 566 ms to find 0 implicit places.
[2024-05-21 22:21:34] [INFO ] Redundant transitions in 1 ms returned []
Running 290 sub problems to find dead transitions.
[2024-05-21 22:21:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (OVERLAPS) 2/350 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (OVERLAPS) 293/643 variables, 350/410 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:21:40] [INFO ] Deduced a trap composed of 5 places in 21 ms of which 1 ms to minimize.
[2024-05-21 22:21:44] [INFO ] Deduced a trap composed of 9 places in 71 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/643 variables, 2/412 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:21:48] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 1/413 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:21:53] [INFO ] Deduced a trap composed of 19 places in 70 ms of which 1 ms to minimize.
[2024-05-21 22:21:55] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 0 ms to minimize.
[2024-05-21 22:21:55] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 3/416 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:21:57] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 1/417 constraints. Problems are: Problem set: 0 solved, 290 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 643/644 variables, and 417 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 290 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 5/57 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 8/65 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 7 (OVERLAPS) 293/643 variables, 350/417 constraints. Problems are: Problem set: 0 solved, 290 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 290/707 constraints. Problems are: Problem set: 0 solved, 290 unsolved
[2024-05-21 22:22:30] [INFO ] Deduced a trap composed of 13 places in 83 ms of which 2 ms to minimize.
[2024-05-21 22:22:30] [INFO ] Deduced a trap composed of 65 places in 48 ms of which 1 ms to minimize.
[2024-05-21 22:22:30] [INFO ] Deduced a trap composed of 67 places in 44 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 643/644 variables, and 710 constraints, problems are : Problem set: 0 solved, 290 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 290/290 constraints, Known Traps: 10/10 constraints]
After SMT, in 60257ms problems are : Problem set: 0 solved, 290 unsolved
Search for dead transitions found 0 dead transitions in 60260ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60839 ms. Remains : 351/351 places, 293/293 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 351 transition count 293
Applied a total of 1 rules in 13 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2024-05-21 22:22:34] [INFO ] Computed 60 invariants in 10 ms
[2024-05-21 22:22:34] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 22:22:34] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 22:22:34] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 17 ms returned sat
[2024-05-21 22:22:35] [INFO ] After 135ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 22:22:35] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 1 ms to minimize.
[2024-05-21 22:22:35] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 1 ms to minimize.
[2024-05-21 22:22:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 163 ms
TRAPS : Iteration 1
[2024-05-21 22:22:35] [INFO ] After 347ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 22:22:35] [INFO ] After 446ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 530 ms.
Knowledge obtained : [p1, (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 88 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 119 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 2278 reset in 208 ms.
Product exploration explored 100000 steps with 2280 reset in 228 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 105 ms :[true, (NOT p1), (NOT p1), (NOT p1)]
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 351/351 places, 295/295 transitions.
Applied a total of 0 rules in 13 ms. Remains 351 /351 variables (removed 0) and now considering 295/295 (removed 0) transitions.
[2024-05-21 22:22:36] [INFO ] Redundant transitions in 1 ms returned []
Running 292 sub problems to find dead transitions.
// Phase 1: matrix 295 rows 351 cols
[2024-05-21 22:22:36] [INFO ] Computed 58 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 295/645 variables, 350/408 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:22:46] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 1 ms to minimize.
[2024-05-21 22:22:46] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 2/410 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:22:50] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:22:57] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 1 ms to minimize.
[2024-05-21 22:22:57] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 1 ms to minimize.
[2024-05-21 22:22:57] [INFO ] Deduced a trap composed of 8 places in 53 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/645 variables, 3/414 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/645 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 10 (OVERLAPS) 1/646 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 6/57 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (OVERLAPS) 295/645 variables, 350/414 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 292/706 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 645/646 variables, and 706 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 6/6 constraints]
After SMT, in 60264ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60267ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60286 ms. Remains : 351/351 places, 295/295 transitions.
Support contains 2 out of 351 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 351/351 places, 295/295 transitions.
Applied a total of 0 rules in 3 ms. Remains 351 /351 variables (removed 0) and now considering 295/295 (removed 0) transitions.
[2024-05-21 22:23:36] [INFO ] Invariant cache hit.
[2024-05-21 22:23:36] [INFO ] Implicit Places using invariants in 168 ms returned []
[2024-05-21 22:23:36] [INFO ] Invariant cache hit.
[2024-05-21 22:23:37] [INFO ] Implicit Places using invariants and state equation in 375 ms returned []
Implicit Place search using SMT with State Equation took 544 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2024-05-21 22:23:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (OVERLAPS) 2/350 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 295/645 variables, 350/408 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:23:46] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 1 ms to minimize.
[2024-05-21 22:23:46] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 1 ms to minimize.
[2024-05-21 22:23:47] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/645 variables, 3/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/645 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 1/646 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:23:54] [INFO ] Deduced a trap composed of 15 places in 99 ms of which 2 ms to minimize.
[2024-05-21 22:23:55] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 2 ms to minimize.
[2024-05-21 22:23:55] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 2 ms to minimize.
[2024-05-21 22:23:55] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 1 ms to minimize.
[2024-05-21 22:23:55] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-05-21 22:23:57] [INFO ] Deduced a trap composed of 12 places in 77 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 6/418 constraints. Problems are: Problem set: 0 solved, 292 unsolved
[2024-05-21 22:24:04] [INFO ] Deduced a trap composed of 8 places in 76 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 419 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 351/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 10/10 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/348 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/348 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/348 variables, 8/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/348 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (OVERLAPS) 2/350 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (OVERLAPS) 295/645 variables, 350/417 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/645 variables, 292/709 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 645/646 variables, and 709 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 350/351 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 9/10 constraints]
After SMT, in 60243ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60246ms
Finished structural reductions in LTL mode , in 1 iterations and 60795 ms. Remains : 351/351 places, 295/295 transitions.
Treatment of property DES-PT-60a-LTLCardinality-00 finished in 384459 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(p0))||G((p1||G(p2))))))'
Found a Lengthening insensitive property : DES-PT-60a-LTLCardinality-02
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Support contains 7 out of 352 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 9 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
// Phase 1: matrix 296 rows 352 cols
[2024-05-21 22:24:37] [INFO ] Computed 58 invariants in 3 ms
[2024-05-21 22:24:37] [INFO ] Implicit Places using invariants in 173 ms returned []
[2024-05-21 22:24:37] [INFO ] Invariant cache hit.
[2024-05-21 22:24:38] [INFO ] Implicit Places using invariants and state equation in 333 ms returned []
Implicit Place search using SMT with State Equation took 508 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2024-05-21 22:24:38] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:24:44] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:24:55] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26999 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:25:09] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 0 ms to minimize.
[2024-05-21 22:25:09] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 57250ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 57252ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 57770 ms. Remains : 352/352 places, 296/296 transitions.
Running random walk in product with property : DES-PT-60a-LTLCardinality-02
Product exploration explored 100000 steps with 2390 reset in 213 ms.
Product exploration explored 100000 steps with 2381 reset in 238 ms.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 267 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 158 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p1)), (X (X (NOT p1))), (F p0)]
Knowledge based reduction with 12 factoid took 298 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 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
[2024-05-21 22:25:36] [INFO ] Invariant cache hit.
[2024-05-21 22:25:37] [INFO ] [Real]Absence check using 33 positive place invariants in 8 ms returned sat
[2024-05-21 22:25:37] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 25 ms returned sat
[2024-05-21 22:25:44] [INFO ] [Real]Absence check using state equation in 7160 ms returned sat
[2024-05-21 22:25:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 22:25:44] [INFO ] [Nat]Absence check using 33 positive place invariants in 9 ms returned sat
[2024-05-21 22:25:44] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 19 ms returned sat
[2024-05-21 22:25:47] [INFO ] [Nat]Absence check using state equation in 2584 ms returned sat
[2024-05-21 22:25:47] [INFO ] Computed and/alt/rep : 288/864/288 causal constraints (skipped 7 transitions) in 21 ms.
[2024-05-21 22:25:47] [INFO ] Added : 65 causal constraints over 13 iterations in 754 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 352 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 11 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:25:47] [INFO ] Invariant cache hit.
[2024-05-21 22:25:47] [INFO ] Implicit Places using invariants in 170 ms returned []
[2024-05-21 22:25:47] [INFO ] Invariant cache hit.
[2024-05-21 22:25:48] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 508 ms to find 0 implicit places.
[2024-05-21 22:25:48] [INFO ] Redundant transitions in 2 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:25:48] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:25:54] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:26:05] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 26252 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:26:18] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
[2024-05-21 22:26:18] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56490ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56493ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 57021 ms. Remains : 352/352 places, 296/296 transitions.
Computed a total of 255 stabilizing places and 250 stable transitions
Computed a total of 255 stabilizing places and 250 stable transitions
Knowledge obtained : [(NOT p0), (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 92 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 77 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X p0))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 106 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 68 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
[2024-05-21 22:26:45] [INFO ] Invariant cache hit.
[2024-05-21 22:26:45] [INFO ] [Real]Absence check using 33 positive place invariants in 7 ms returned sat
[2024-05-21 22:26:45] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 25 ms returned sat
[2024-05-21 22:26:52] [INFO ] [Real]Absence check using state equation in 7261 ms returned sat
[2024-05-21 22:26:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 22:26:52] [INFO ] [Nat]Absence check using 33 positive place invariants in 10 ms returned sat
[2024-05-21 22:26:52] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 20 ms returned sat
[2024-05-21 22:26:55] [INFO ] [Nat]Absence check using state equation in 2632 ms returned sat
[2024-05-21 22:26:55] [INFO ] Computed and/alt/rep : 288/864/288 causal constraints (skipped 7 transitions) in 18 ms.
[2024-05-21 22:26:56] [INFO ] Added : 65 causal constraints over 13 iterations in 722 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 4592 reset in 238 ms.
Product exploration explored 100000 steps with 4572 reset in 254 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 352/352 places, 296/296 transitions.
Applied a total of 0 rules in 6 ms. Remains 352 /352 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-21 22:26:56] [INFO ] Invariant cache hit.
[2024-05-21 22:26:57] [INFO ] Implicit Places using invariants in 175 ms returned []
[2024-05-21 22:26:57] [INFO ] Invariant cache hit.
[2024-05-21 22:26:57] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 540 ms to find 0 implicit places.
[2024-05-21 22:26:57] [INFO ] Redundant transitions in 1 ms returned []
Running 295 sub problems to find dead transitions.
[2024-05-21 22:26:57] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/648 variables, 352/410 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:27:03] [INFO ] Deduced a trap composed of 12 places in 74 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:27:14] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/648 variables, 1/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 10 (OVERLAPS) 0/648 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 295 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 412 constraints, problems are : Problem set: 0 solved, 295 unsolved in 25961 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/352 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 295 unsolved
[2024-05-21 22:27:27] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 0 ms to minimize.
[2024-05-21 22:27:27] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/352 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 7 (OVERLAPS) 296/648 variables, 352/414 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 295/709 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 648/648 variables, and 709 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 352/352 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 4/4 constraints]
After SMT, in 56230ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 56233ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 56785 ms. Remains : 352/352 places, 296/296 transitions.
Treatment of property DES-PT-60a-LTLCardinality-02 finished in 196141 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
[2024-05-21 22:27:53] [INFO ] Flatten gal took : 37 ms
[2024-05-21 22:27:53] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 17 ms.
[2024-05-21 22:27:53] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 352 places, 296 transitions and 1425 arcs took 6 ms.
Total runtime 1867511 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DES-PT-60a

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 352
TRANSITIONS: 296
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.007s, Sys 0.001s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 2514
MODEL NAME: /home/mcc/execution/413/model
352 places, 296 transitions.

No place bound informations found.
No place bound informations found.
No place bound informations found.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
No place bound informations found.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA DES-PT-60a-LTLCardinality-00 CANNOT_COMPUTE
FORMULA DES-PT-60a-LTLCardinality-02 CANNOT_COMPUTE
FORMULA DES-PT-60a-LTLCardinality-13 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716330725491

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
Error in allocating array of size 1767154756 at storage/ct_typebased.h, line 1565
MEDDLY ERROR: Insufficient memory

Error in allocating array of size 1767154756 at storage/ct_typebased.h, line 1565
MEDDLY ERROR: Insufficient memory

Error in allocating array of size 1767154756 at storage/ct_typebased.h, line 1565
MEDDLY ERROR: Insufficient memory

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-60a"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DES-PT-60a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r091-tall-171624188300747"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-60a.tgz
mv DES-PT-60a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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