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.r113-smll-171624274900437.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 DNAwalker-PT-09ringLR, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-171624274900437
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K 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 3.4K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 14:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Apr 13 14:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Apr 13 14:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 137K Apr 13 14:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 9 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 112K 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 positive values
NUM_VECTOR

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

=== Now, execution of the tool begins

BK_START 1716496791115

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-09ringLR
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 20:39:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-23 20:39:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 20:39:53] [INFO ] Load time of PNML (sax parser for PT used): 188 ms
[2024-05-23 20:39:53] [INFO ] Transformed 27 places.
[2024-05-23 20:39:53] [INFO ] Transformed 260 transitions.
[2024-05-23 20:39:53] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 605 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 18 ms.
Current structural bounds on expressions (Initially) : Max Seen:[2, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 20:39:54] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2024-05-23 20:39:54] [INFO ] Computed 0 invariants in 19 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (794 resets) in 140 ms. (70 steps per ms)
BEST_FIRST walk for 160015 steps (961 resets) in 394 ms. (405 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 20:39:54] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2024-05-23 20:39:54] [INFO ] Invariant cache hit.
[2024-05-23 20:39:55] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2024-05-23 20:39:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:39:55] [INFO ] [Nat]Absence check using state equation in 592 ms returned unknown
[2024-05-23 20:39:55] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2024-05-23 20:39:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:39:56] [INFO ] [Nat]Absence check using state equation in 614 ms returned unknown
[2024-05-23 20:39:56] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2024-05-23 20:39:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:39:57] [INFO ] [Nat]Absence check using state equation in 575 ms returned unknown
[2024-05-23 20:39:57] [INFO ] [Real]Absence check using state equation in 58 ms returned unsat
[2024-05-23 20:39:57] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2024-05-23 20:39:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:39:58] [INFO ] [Nat]Absence check using state equation in 601 ms returned unknown
[2024-05-23 20:39:58] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2024-05-23 20:39:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:39:58] [INFO ] [Nat]Absence check using state equation in 580 ms returned unknown
[2024-05-23 20:39:58] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-23 20:39:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:39:59] [INFO ] [Nat]Absence check using state equation in 558 ms returned unknown
[2024-05-23 20:39:59] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-23 20:39:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:00] [INFO ] [Nat]Absence check using state equation in 582 ms returned unknown
[2024-05-23 20:40:00] [INFO ] [Real]Absence check using state equation in 65 ms returned unsat
[2024-05-23 20:40:00] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-23 20:40:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:01] [INFO ] [Nat]Absence check using state equation in 568 ms returned unknown
[2024-05-23 20:40:01] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-23 20:40:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:01] [INFO ] [Nat]Absence check using state equation in 565 ms returned unknown
[2024-05-23 20:40:01] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-23 20:40:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:02] [INFO ] [Nat]Absence check using state equation in 569 ms returned unknown
[2024-05-23 20:40:02] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-23 20:40:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:03] [INFO ] [Nat]Absence check using state equation in 571 ms returned unknown
[2024-05-23 20:40:03] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-23 20:40:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:03] [INFO ] [Nat]Absence check using state equation in 550 ms returned unknown
[2024-05-23 20:40:03] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 20:40:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:04] [INFO ] [Nat]Absence check using state equation in 553 ms returned unknown
[2024-05-23 20:40:04] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-23 20:40:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:05] [INFO ] [Nat]Absence check using state equation in 556 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
FORMULA DNAwalker-PT-09ringLR-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-09ringLR-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 260/260 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 27 transition count 252
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 26 transition count 251
Applied a total of 9 rules in 71 ms. Remains 26 /27 variables (removed 1) and now considering 251/260 (removed 9) transitions.
Running 231 sub problems to find dead transitions.
// Phase 1: matrix 251 rows 26 cols
[2024-05-23 20:40:05] [INFO ] Computed 0 invariants in 11 ms
[2024-05-23 20:40:05] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 59/80 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 5/277 variables, 5/85 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 85 constraints, problems are : Problem set: 0 solved, 231 unsolved in 14018 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 59/80 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 231/311 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (OVERLAPS) 5/277 variables, 5/316 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 316 constraints, problems are : Problem set: 0 solved, 231 unsolved in 20028 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
After SMT, in 34513ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 34566ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34681 ms. Remains : 26/27 places, 251/260 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 20:40:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (83721 resets) in 3278 ms. (304 steps per ms)
BEST_FIRST walk for 14000014 steps (104756 resets) in 9636 ms. (1452 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 20:40:52] [INFO ] Invariant cache hit.
[2024-05-23 20:40:52] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-23 20:40:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:40:57] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
[2024-05-23 20:40:57] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-05-23 20:40:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:02] [INFO ] [Nat]Absence check using state equation in 4552 ms returned unknown
[2024-05-23 20:41:02] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 20:41:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:06] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
[2024-05-23 20:41:06] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-23 20:41:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:11] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
[2024-05-23 20:41:11] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:41:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:16] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
[2024-05-23 20:41:16] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:41:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:20] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
[2024-05-23 20:41:20] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-23 20:41:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:25] [INFO ] [Nat]Absence check using state equation in 4574 ms returned unknown
[2024-05-23 20:41:25] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 20:41:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:30] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
[2024-05-23 20:41:30] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 20:41:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:34] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
[2024-05-23 20:41:34] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 20:41:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:39] [INFO ] [Nat]Absence check using state equation in 4550 ms returned unknown
[2024-05-23 20:41:39] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 20:41:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:44] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
[2024-05-23 20:41:44] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-23 20:41:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:48] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
[2024-05-23 20:41:48] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:41:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:53] [INFO ] [Nat]Absence check using state equation in 4552 ms returned unknown
[2024-05-23 20:41:53] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-23 20:41:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:41:58] [INFO ] [Nat]Absence check using state equation in 4545 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 11 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 26/26 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 8 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-23 20:41:58] [INFO ] Invariant cache hit.
[2024-05-23 20:41:58] [INFO ] Implicit Places using invariants in 35 ms returned []
[2024-05-23 20:41:58] [INFO ] Invariant cache hit.
[2024-05-23 20:41:58] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-05-23 20:41:58] [INFO ] Implicit Places using invariants and state equation in 228 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Implicit Place search using SMT with State Equation took 272 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/26 places, 246/251 transitions.
Applied a total of 0 rules in 11 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 292 ms. Remains : 25/26 places, 246/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 20:41:58] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (76287 resets) in 4234 ms. (236 steps per ms)
BEST_FIRST walk for 14000012 steps (102140 resets) in 11455 ms. (1222 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 20:42:14] [INFO ] Invariant cache hit.
[2024-05-23 20:42:14] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-23 20:42:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:42:23] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
[2024-05-23 20:42:23] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:42:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:42:32] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
[2024-05-23 20:42:32] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 20:42:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:42:41] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
[2024-05-23 20:42:41] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-23 20:42:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:42:50] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
[2024-05-23 20:42:50] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 20:42:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:42:59] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
[2024-05-23 20:42:59] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:42:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:43:08] [INFO ] [Nat]Absence check using state equation in 9048 ms returned unknown
[2024-05-23 20:43:09] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-23 20:43:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:43:18] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
[2024-05-23 20:43:18] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-23 20:43:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:43:27] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
[2024-05-23 20:43:27] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:43:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:43:36] [INFO ] [Nat]Absence check using state equation in 9073 ms returned unknown
[2024-05-23 20:43:36] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 20:43:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:43:45] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
[2024-05-23 20:43:45] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:43:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:43:54] [INFO ] [Nat]Absence check using state equation in 9048 ms returned unknown
[2024-05-23 20:43:54] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-23 20:43:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:44:03] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
[2024-05-23 20:44:03] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 20:44:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:44:13] [INFO ] [Nat]Absence check using state equation in 9046 ms returned unknown
[2024-05-23 20:44:13] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 20:44:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:44:22] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 25/25 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-05-23 20:44:22] [INFO ] Invariant cache hit.
[2024-05-23 20:44:22] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-23 20:44:22] [INFO ] Invariant cache hit.
[2024-05-23 20:44:22] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-05-23 20:44:22] [INFO ] Implicit Places using invariants and state equation in 284 ms returned []
Implicit Place search using SMT with State Equation took 311 ms to find 0 implicit places.
[2024-05-23 20:44:22] [INFO ] Redundant transitions in 22 ms returned []
Running 226 sub problems to find dead transitions.
[2024-05-23 20:44:22] [INFO ] Invariant cache hit.
[2024-05-23 20:44:22] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (OVERLAPS) 5/271 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 226 unsolved in 13919 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 226/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 5/271 variables, 5/310 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 310 constraints, problems are : Problem set: 0 solved, 226 unsolved in 30016 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 44400ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 44408ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44756 ms. Remains : 25/25 places, 246/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3014 resets) in 2348 ms. (17 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (204 resets) in 260 ms. (153 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (245 resets) in 133 ms. (298 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (255 resets) in 137 ms. (289 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 183 ms. (217 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (262 resets) in 138 ms. (287 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (243 resets) in 155 ms. (256 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (237 resets) in 102 ms. (388 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (206 resets) in 113 ms. (350 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (242 resets) in 89 ms. (444 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (242 resets) in 101 ms. (392 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (201 resets) in 81 ms. (487 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (250 resets) in 90 ms. (439 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (254 resets) in 90 ms. (439 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (242 resets) in 68 ms. (579 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 544938 steps, run timeout after 3001 ms. (steps per millisecond=181 ) properties seen :0 out of 14
Probabilistic random walk after 544938 steps, saw 111007 distinct states, run finished after 3010 ms. (steps per millisecond=181 ) properties seen :0
[2024-05-23 20:45:11] [INFO ] Invariant cache hit.
[2024-05-23 20:45:11] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 23/271 variables, 11/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 14 unsolved in 881 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 85 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5006 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 5918ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Running 226 sub problems to find dead transitions.
[2024-05-23 20:45:17] [INFO ] Invariant cache hit.
[2024-05-23 20:45:17] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (OVERLAPS) 5/271 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 226 unsolved in 13117 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 226/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 5/271 variables, 5/310 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 310 constraints, problems are : Problem set: 0 solved, 226 unsolved in 20013 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 33350ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 33354ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33360 ms. Remains : 25/25 places, 246/246 transitions.
RANDOM walk for 40000 steps (3009 resets) in 408 ms. (97 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (212 resets) in 53 ms. (740 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (244 resets) in 60 ms. (655 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (246 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 73 ms. (540 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (251 resets) in 59 ms. (666 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (248 resets) in 59 ms. (666 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (244 resets) in 60 ms. (655 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (202 resets) in 58 ms. (678 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (241 resets) in 58 ms. (678 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (236 resets) in 58 ms. (678 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (203 resets) in 57 ms. (689 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (257 resets) in 58 ms. (678 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (256 resets) in 61 ms. (645 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (240 resets) in 65 ms. (606 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 436386 steps, run timeout after 3001 ms. (steps per millisecond=145 ) properties seen :0 out of 14
Probabilistic random walk after 436386 steps, saw 89864 distinct states, run finished after 3001 ms. (steps per millisecond=145 ) properties seen :0
[2024-05-23 20:45:54] [INFO ] Invariant cache hit.
[2024-05-23 20:45:54] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 23/271 variables, 11/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 14 unsolved in 599 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 85 constraints, problems are : Problem set: 0 solved, 14 unsolved in 45008 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 45621ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 25/25 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-05-23 20:46:39] [INFO ] Invariant cache hit.
[2024-05-23 20:46:39] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-23 20:46:39] [INFO ] Invariant cache hit.
[2024-05-23 20:46:39] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-05-23 20:46:40] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 239 ms to find 0 implicit places.
[2024-05-23 20:46:40] [INFO ] Redundant transitions in 4 ms returned []
Running 226 sub problems to find dead transitions.
[2024-05-23 20:46:40] [INFO ] Invariant cache hit.
[2024-05-23 20:46:40] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (OVERLAPS) 5/271 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 226 unsolved in 15908 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 226/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 5/271 variables, 5/310 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 310 constraints, problems are : Problem set: 0 solved, 226 unsolved in 30012 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 46094ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 46097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46349 ms. Remains : 25/25 places, 246/246 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:47:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 10000 steps (749 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (52 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:47:26] [INFO ] Invariant cache hit.
[2024-05-23 20:47:26] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-23 20:47:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:47:27] [INFO ] [Nat]Absence check using state equation in 1071 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 20 transition count 235
Applied a total of 11 rules in 10 ms. Remains 20 /25 variables (removed 5) and now considering 235/246 (removed 11) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 20 cols
[2024-05-23 20:47:27] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4712 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20019 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24912ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24915ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24927 ms. Remains : 20/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 20:47:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (96537 resets) in 3563 ms. (280 steps per ms)
BEST_FIRST walk for 1000001 steps (10638 resets) in 865 ms. (1154 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:47:56] [INFO ] Invariant cache hit.
[2024-05-23 20:47:56] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-23 20:47:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:48:01] [INFO ] [Nat]Absence check using state equation in 4541 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 20/20 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-23 20:48:01] [INFO ] Invariant cache hit.
[2024-05-23 20:48:01] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 20:48:01] [INFO ] Invariant cache hit.
[2024-05-23 20:48:01] [INFO ] Implicit Places using invariants and state equation in 203 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 267 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 275 ms. Remains : 19/20 places, 223/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 20:48:01] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58743 resets) in 3214 ms. (311 steps per ms)
BEST_FIRST walk for 1000001 steps (8179 resets) in 635 ms. (1572 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:48:05] [INFO ] Invariant cache hit.
[2024-05-23 20:48:05] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-23 20:48:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:48:14] [INFO ] [Nat]Absence check using state equation in 9039 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 20:48:14] [INFO ] Invariant cache hit.
[2024-05-23 20:48:14] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-23 20:48:14] [INFO ] Invariant cache hit.
[2024-05-23 20:48:15] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
[2024-05-23 20:48:15] [INFO ] Redundant transitions in 2 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-23 20:48:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 4578 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 223 constraints, problems are : Problem set: 0 solved, 204 unsolved in 30049 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 34784ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 34786ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35032 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2337 resets) in 285 ms. (139 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (326 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1538166 steps, run timeout after 3001 ms. (steps per millisecond=512 ) properties seen :0 out of 1
Probabilistic random walk after 1538166 steps, saw 298249 distinct states, run finished after 3001 ms. (steps per millisecond=512 ) properties seen :0
[2024-05-23 20:48:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1091 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1203ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 7 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 204 sub problems to find dead transitions.
[2024-05-23 20:48:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 4687 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 20016 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 24931ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 24933ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24940 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2369 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (324 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1685142 steps, run timeout after 3001 ms. (steps per millisecond=561 ) properties seen :0 out of 1
Probabilistic random walk after 1685142 steps, saw 325168 distinct states, run finished after 3001 ms. (steps per millisecond=561 ) properties seen :0
[2024-05-23 20:49:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9060 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9138ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 20:49:31] [INFO ] Invariant cache hit.
[2024-05-23 20:49:31] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-23 20:49:31] [INFO ] Invariant cache hit.
[2024-05-23 20:49:31] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-23 20:49:31] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-23 20:49:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 4333 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 223 constraints, problems are : Problem set: 0 solved, 204 unsolved in 30045 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 34537ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 34539ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34774 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-00 in 160002 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 20:50:06] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (753 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (61 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:50:06] [INFO ] Invariant cache hit.
[2024-05-23 20:50:06] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 20:50:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:50:07] [INFO ] [Nat]Absence check using state equation in 1045 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 21 transition count 235
Applied a total of 11 rules in 8 ms. Remains 21 /25 variables (removed 4) and now considering 235/246 (removed 11) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-05-23 20:50:07] [INFO ] Computed 0 invariants in 1 ms
[2024-05-23 20:50:07] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 31 constraints, problems are : Problem set: 0 solved, 216 unsolved in 8153 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 216/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 247 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20012 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 28348ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 28355ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28363 ms. Remains : 21/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 20:50:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85344 resets) in 3564 ms. (280 steps per ms)
BEST_FIRST walk for 1000001 steps (8456 resets) in 645 ms. (1547 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:50:40] [INFO ] Invariant cache hit.
[2024-05-23 20:50:40] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-23 20:50:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:50:44] [INFO ] [Nat]Absence check using state equation in 4543 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-23 20:50:44] [INFO ] Invariant cache hit.
[2024-05-23 20:50:44] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-23 20:50:44] [INFO ] Invariant cache hit.
[2024-05-23 20:50:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 20:50:45] [INFO ] Implicit Places using invariants and state equation in 305 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 375 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/235 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 383 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 20:50:45] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54731 resets) in 2975 ms. (336 steps per ms)
BEST_FIRST walk for 1000001 steps (7311 resets) in 629 ms. (1587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:50:48] [INFO ] Invariant cache hit.
[2024-05-23 20:50:48] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-23 20:50:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:50:53] [INFO ] [Nat]Absence check using state equation in 4564 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 20:50:53] [INFO ] Invariant cache hit.
[2024-05-23 20:50:53] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-23 20:50:53] [INFO ] Invariant cache hit.
[2024-05-23 20:50:53] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 20:50:53] [INFO ] Implicit Places using invariants and state equation in 217 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
[2024-05-23 20:50:53] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 20:50:53] [INFO ] Invariant cache hit.
[2024-05-23 20:50:53] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7109 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30012 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37279ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37281ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37551 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2185 resets) in 139 ms. (285 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (298 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1732984 steps, run timeout after 3001 ms. (steps per millisecond=577 ) properties seen :0 out of 1
Probabilistic random walk after 1732984 steps, saw 330872 distinct states, run finished after 3001 ms. (steps per millisecond=577 ) properties seen :0
[2024-05-23 20:51:34] [INFO ] Invariant cache hit.
[2024-05-23 20:51:34] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 52/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1067 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1163ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 20:51:35] [INFO ] Invariant cache hit.
[2024-05-23 20:51:35] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 8020 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 28253ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 28256ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28259 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2179 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (288 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1794780 steps, run timeout after 3001 ms. (steps per millisecond=598 ) properties seen :0 out of 1
Probabilistic random walk after 1794780 steps, saw 342428 distinct states, run finished after 3001 ms. (steps per millisecond=598 ) properties seen :0
[2024-05-23 20:52:06] [INFO ] Invariant cache hit.
[2024-05-23 20:52:06] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 52/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9070 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9165ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 6 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 20:52:15] [INFO ] Invariant cache hit.
[2024-05-23 20:52:15] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-23 20:52:15] [INFO ] Invariant cache hit.
[2024-05-23 20:52:15] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 20:52:16] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2024-05-23 20:52:16] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 20:52:16] [INFO ] Invariant cache hit.
[2024-05-23 20:52:16] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7808 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30010 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38010ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38013ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38308 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-01 in 167852 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 20:52:54] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (748 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (62 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:52:54] [INFO ] Invariant cache hit.
[2024-05-23 20:52:54] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-05-23 20:52:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:52:55] [INFO ] [Nat]Absence check using state equation in 1046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Graph (complete) has 239 edges and 25 vertex of which 24 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 24 transition count 228
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 19 transition count 223
Applied a total of 24 rules in 15 ms. Remains 19 /25 variables (removed 6) and now considering 223/246 (removed 23) transitions.
Running 205 sub problems to find dead transitions.
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 20:52:55] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4162 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24328ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24331ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24347 ms. Remains : 19/25 places, 223/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 20:53:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58976 resets) in 3223 ms. (310 steps per ms)
BEST_FIRST walk for 1000001 steps (8504 resets) in 701 ms. (1424 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:53:23] [INFO ] Invariant cache hit.
[2024-05-23 20:53:23] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 20:53:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:53:32] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 20:53:32] [INFO ] Invariant cache hit.
[2024-05-23 20:53:32] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-23 20:53:32] [INFO ] Invariant cache hit.
[2024-05-23 20:53:33] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
[2024-05-23 20:53:33] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 20:53:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4359 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30042 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34674ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34679ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35011 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2367 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (331 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1763489 steps, run timeout after 3001 ms. (steps per millisecond=587 ) properties seen :0 out of 1
Probabilistic random walk after 1763489 steps, saw 357213 distinct states, run finished after 3001 ms. (steps per millisecond=587 ) properties seen :0
[2024-05-23 20:54:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 71 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1067 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1150ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 20:54:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4554 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20041 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24766ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24768ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24771 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2357 resets) in 204 ms. (195 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (343 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1459667 steps, run timeout after 3001 ms. (steps per millisecond=486 ) properties seen :0 out of 1
Probabilistic random walk after 1459667 steps, saw 295408 distinct states, run finished after 3001 ms. (steps per millisecond=486 ) properties seen :0
[2024-05-23 20:54:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9069 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9149ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 20:54:49] [INFO ] Invariant cache hit.
[2024-05-23 20:54:49] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-23 20:54:49] [INFO ] Invariant cache hit.
[2024-05-23 20:54:49] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2024-05-23 20:54:49] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 20:54:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4677 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30011 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34870ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34873ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35109 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-02 in 150106 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 20:55:24] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (770 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (243 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:55:24] [INFO ] Invariant cache hit.
[2024-05-23 20:55:24] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 20:55:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:55:25] [INFO ] [Nat]Absence check using state equation in 1047 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 7 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 20:55:25] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4850 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20046 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25062ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25067ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25075 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 20:55:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92765 resets) in 3867 ms. (258 steps per ms)
BEST_FIRST walk for 1000001 steps (47619 resets) in 531 ms. (1879 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:55:54] [INFO ] Invariant cache hit.
[2024-05-23 20:55:54] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 20:55:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:55:59] [INFO ] [Nat]Absence check using state equation in 4544 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 20:55:59] [INFO ] Invariant cache hit.
[2024-05-23 20:55:59] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 20:55:59] [INFO ] Invariant cache hit.
[2024-05-23 20:55:59] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 239 ms to find 0 implicit places.
[2024-05-23 20:55:59] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-23 20:55:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 5205 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30010 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 35468ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 35471ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35721 ms. Remains : 20/20 places, 234/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3701 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1664568 steps, run timeout after 3001 ms. (steps per millisecond=554 ) properties seen :0 out of 1
Probabilistic random walk after 1664568 steps, saw 326304 distinct states, run finished after 3001 ms. (steps per millisecond=554 ) properties seen :0
[2024-05-23 20:56:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[State Equation: 20/20 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1069 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1158ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Running 215 sub problems to find dead transitions.
[2024-05-23 20:56:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3197 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20010 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 23374ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 23376ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23379 ms. Remains : 20/20 places, 234/234 transitions.
RANDOM walk for 40000 steps (3752 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1596421 steps, run timeout after 3001 ms. (steps per millisecond=531 ) properties seen :0 out of 1
Probabilistic random walk after 1596421 steps, saw 314132 distinct states, run finished after 3001 ms. (steps per millisecond=531 ) properties seen :0
[2024-05-23 20:57:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[State Equation: 20/20 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9071 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9152ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 20:57:15] [INFO ] Invariant cache hit.
[2024-05-23 20:57:15] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-23 20:57:15] [INFO ] Invariant cache hit.
[2024-05-23 20:57:15] [INFO ] Implicit Places using invariants and state equation in 216 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
[2024-05-23 20:57:15] [INFO ] Redundant transitions in 2 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-23 20:57:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4393 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30043 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 34721ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 34725ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34996 ms. Remains : 20/20 places, 234/234 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-04 in 145966 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 20:57:50] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (761 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (69 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:57:50] [INFO ] Invariant cache hit.
[2024-05-23 20:57:50] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-23 20:57:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:57:51] [INFO ] [Nat]Absence check using state equation in 1048 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 6 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 20:57:51] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 5001 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20011 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25185ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25189ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25196 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 20:58:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92408 resets) in 3534 ms. (282 steps per ms)
BEST_FIRST walk for 1000001 steps (10229 resets) in 673 ms. (1483 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:58:20] [INFO ] Invariant cache hit.
[2024-05-23 20:58:20] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-05-23 20:58:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:58:25] [INFO ] [Nat]Absence check using state equation in 4570 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 20:58:25] [INFO ] Invariant cache hit.
[2024-05-23 20:58:25] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-23 20:58:25] [INFO ] Invariant cache hit.
[2024-05-23 20:58:25] [INFO ] Implicit Places using invariants and state equation in 196 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 246 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 251 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 20:58:25] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58993 resets) in 2865 ms. (348 steps per ms)
BEST_FIRST walk for 1000001 steps (8487 resets) in 667 ms. (1497 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 20:58:29] [INFO ] Invariant cache hit.
[2024-05-23 20:58:29] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-05-23 20:58:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 20:58:38] [INFO ] [Nat]Absence check using state equation in 9065 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 20:58:38] [INFO ] Invariant cache hit.
[2024-05-23 20:58:38] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-23 20:58:38] [INFO ] Invariant cache hit.
[2024-05-23 20:58:38] [INFO ] Implicit Places using invariants and state equation in 169 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-23 20:58:38] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 20:58:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4264 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30009 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34451ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34453ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34681 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2347 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (337 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1607855 steps, run timeout after 3001 ms. (steps per millisecond=535 ) properties seen :0 out of 1
Probabilistic random walk after 1607855 steps, saw 322806 distinct states, run finished after 3001 ms. (steps per millisecond=535 ) properties seen :0
[2024-05-23 20:59:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1069 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1155ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 20:59:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4118 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20013 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24300ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24302ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24305 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2363 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (340 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1758868 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1758868 steps, saw 354620 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
[2024-05-23 20:59:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9064 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9145ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 20:59:54] [INFO ] Invariant cache hit.
[2024-05-23 20:59:54] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-23 20:59:54] [INFO ] Invariant cache hit.
[2024-05-23 20:59:54] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
[2024-05-23 20:59:54] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 20:59:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4556 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34836ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34839ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35070 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-05 in 159015 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:00:29] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (779 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (61 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:00:29] [INFO ] Invariant cache hit.
[2024-05-23 21:00:29] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 21:00:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:00:30] [INFO ] [Nat]Absence check using state equation in 1048 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 21 transition count 235
Applied a total of 11 rules in 6 ms. Remains 21 /25 variables (removed 4) and now considering 235/246 (removed 11) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-05-23 21:00:30] [INFO ] Computed 0 invariants in 1 ms
[2024-05-23 21:00:30] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 31 constraints, problems are : Problem set: 0 solved, 216 unsolved in 7940 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 216/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 247 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20011 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 28138ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 28140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28147 ms. Remains : 21/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:00:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85215 resets) in 2977 ms. (335 steps per ms)
BEST_FIRST walk for 1000001 steps (8388 resets) in 647 ms. (1543 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:01:02] [INFO ] Invariant cache hit.
[2024-05-23 21:01:02] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-23 21:01:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:01:06] [INFO ] [Nat]Absence check using state equation in 4543 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-23 21:01:06] [INFO ] Invariant cache hit.
[2024-05-23 21:01:06] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-23 21:01:06] [INFO ] Invariant cache hit.
[2024-05-23 21:01:06] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 21:01:07] [INFO ] Implicit Places using invariants and state equation in 238 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 295 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 299 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 21:01:07] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54679 resets) in 2804 ms. (356 steps per ms)
BEST_FIRST walk for 1000001 steps (7309 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:01:10] [INFO ] Invariant cache hit.
[2024-05-23 21:01:10] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-23 21:01:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:01:15] [INFO ] [Nat]Absence check using state equation in 4536 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:01:15] [INFO ] Invariant cache hit.
[2024-05-23 21:01:15] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-23 21:01:15] [INFO ] Invariant cache hit.
[2024-05-23 21:01:15] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 21:01:15] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 254 ms to find 0 implicit places.
[2024-05-23 21:01:15] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:01:15] [INFO ] Invariant cache hit.
[2024-05-23 21:01:15] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7881 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30009 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38053ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38056ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38318 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2189 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (291 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1757358 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1757358 steps, saw 334200 distinct states, run finished after 3001 ms. (steps per millisecond=585 ) properties seen :0
[2024-05-23 21:01:56] [INFO ] Invariant cache hit.
[2024-05-23 21:01:56] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1103 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1237ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 21:01:57] [INFO ] Invariant cache hit.
[2024-05-23 21:01:57] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7122 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20017 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27304ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27307ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27310 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2184 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (290 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1721038 steps, run timeout after 3001 ms. (steps per millisecond=573 ) properties seen :0 out of 1
Probabilistic random walk after 1721038 steps, saw 328361 distinct states, run finished after 3003 ms. (steps per millisecond=573 ) properties seen :0
[2024-05-23 21:02:28] [INFO ] Invariant cache hit.
[2024-05-23 21:02:28] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9078 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9185ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:02:37] [INFO ] Invariant cache hit.
[2024-05-23 21:02:37] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-23 21:02:37] [INFO ] Invariant cache hit.
[2024-05-23 21:02:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 21:02:37] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 268 ms to find 0 implicit places.
[2024-05-23 21:02:37] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:02:37] [INFO ] Invariant cache hit.
[2024-05-23 21:02:37] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7823 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38094ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38096ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38373 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-06 in 166746 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:03:15] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (770 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (62 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:03:15] [INFO ] Invariant cache hit.
[2024-05-23 21:03:16] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-23 21:03:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:03:17] [INFO ] [Nat]Absence check using state equation in 1046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 21 transition count 236
Applied a total of 10 rules in 5 ms. Remains 21 /25 variables (removed 4) and now considering 236/246 (removed 10) transitions.
Running 217 sub problems to find dead transitions.
// Phase 1: matrix 236 rows 21 cols
[2024-05-23 21:03:17] [INFO ] Computed 0 invariants in 0 ms
[2024-05-23 21:03:17] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 1/257 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/257 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (OVERLAPS) 0/257 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 257/257 variables, and 32 constraints, problems are : Problem set: 0 solved, 217 unsolved in 8075 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 217/248 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 1/257 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 217 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 257/257 variables, and 249 constraints, problems are : Problem set: 0 solved, 217 unsolved in 20012 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
After SMT, in 28262ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 28265ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28270 ms. Remains : 21/25 places, 236/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:03:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (86361 resets) in 4044 ms. (247 steps per ms)
BEST_FIRST walk for 1000001 steps (8648 resets) in 645 ms. (1547 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:03:50] [INFO ] Invariant cache hit.
[2024-05-23 21:03:50] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-23 21:03:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:03:54] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 21/21 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 21:03:54] [INFO ] Invariant cache hit.
[2024-05-23 21:03:54] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-23 21:03:54] [INFO ] Invariant cache hit.
[2024-05-23 21:03:54] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 21:03:55] [INFO ] Implicit Places using invariants and state equation in 343 ms returned [16]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 410 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/236 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 415 ms. Remains : 20/21 places, 224/236 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 21:03:55] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54712 resets) in 2863 ms. (349 steps per ms)
BEST_FIRST walk for 1000001 steps (7222 resets) in 635 ms. (1572 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:03:58] [INFO ] Invariant cache hit.
[2024-05-23 21:03:58] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-23 21:03:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:04:03] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:04:03] [INFO ] Invariant cache hit.
[2024-05-23 21:04:03] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-23 21:04:03] [INFO ] Invariant cache hit.
[2024-05-23 21:04:03] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 21:04:03] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 246 ms to find 0 implicit places.
[2024-05-23 21:04:03] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:04:03] [INFO ] Invariant cache hit.
[2024-05-23 21:04:03] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7019 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30015 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37251ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37253ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37510 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2180 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (285 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1789704 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :0 out of 1
Probabilistic random walk after 1789704 steps, saw 342278 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :0
[2024-05-23 21:04:44] [INFO ] Invariant cache hit.
[2024-05-23 21:04:44] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1068 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1156ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 21:04:45] [INFO ] Invariant cache hit.
[2024-05-23 21:04:45] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5588 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20009 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 25762ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 25764ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25767 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2184 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (288 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1543396 steps, run timeout after 3001 ms. (steps per millisecond=514 ) properties seen :0 out of 1
Probabilistic random walk after 1543396 steps, saw 299431 distinct states, run finished after 3001 ms. (steps per millisecond=514 ) properties seen :0
[2024-05-23 21:05:14] [INFO ] Invariant cache hit.
[2024-05-23 21:05:14] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9071 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9157ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:05:23] [INFO ] Invariant cache hit.
[2024-05-23 21:05:23] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-23 21:05:23] [INFO ] Invariant cache hit.
[2024-05-23 21:05:23] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-23 21:05:23] [INFO ] Implicit Places using invariants and state equation in 316 ms returned []
Implicit Place search using SMT with State Equation took 358 ms to find 0 implicit places.
[2024-05-23 21:05:23] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:05:23] [INFO ] Invariant cache hit.
[2024-05-23 21:05:23] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7799 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30015 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38099ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38103ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38472 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-07 in 165820 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:06:01] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (766 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (49 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:06:01] [INFO ] Invariant cache hit.
[2024-05-23 21:06:01] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-23 21:06:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:06:02] [INFO ] [Nat]Absence check using state equation in 1073 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 21 transition count 236
Applied a total of 10 rules in 5 ms. Remains 21 /25 variables (removed 4) and now considering 236/246 (removed 10) transitions.
Running 217 sub problems to find dead transitions.
// Phase 1: matrix 236 rows 21 cols
[2024-05-23 21:06:02] [INFO ] Computed 0 invariants in 3 ms
[2024-05-23 21:06:02] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 18/38 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 1/257 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/257 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (OVERLAPS) 0/257 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 257/257 variables, and 39 constraints, problems are : Problem set: 0 solved, 217 unsolved in 8757 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 18/38 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 217/255 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 1/257 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 217 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 257/257 variables, and 256 constraints, problems are : Problem set: 0 solved, 217 unsolved in 20008 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
After SMT, in 28952ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 28954ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28960 ms. Remains : 21/25 places, 236/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:06:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (87211 resets) in 3254 ms. (307 steps per ms)
BEST_FIRST walk for 1000001 steps (8318 resets) in 641 ms. (1557 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:06:35] [INFO ] Invariant cache hit.
[2024-05-23 21:06:35] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-23 21:06:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:06:40] [INFO ] [Nat]Absence check using state equation in 4540 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 21/21 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 21:06:40] [INFO ] Invariant cache hit.
[2024-05-23 21:06:40] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-23 21:06:40] [INFO ] Invariant cache hit.
[2024-05-23 21:06:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 21:06:40] [INFO ] Implicit Places using invariants and state equation in 277 ms returned [16]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 338 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 342 ms. Remains : 20/21 places, 224/236 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 21:06:40] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (53980 resets) in 3196 ms. (312 steps per ms)
BEST_FIRST walk for 1000001 steps (7109 resets) in 628 ms. (1589 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:06:44] [INFO ] Invariant cache hit.
[2024-05-23 21:06:44] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-23 21:06:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:06:49] [INFO ] [Nat]Absence check using state equation in 4539 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:06:49] [INFO ] Invariant cache hit.
[2024-05-23 21:06:49] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 21:06:49] [INFO ] Invariant cache hit.
[2024-05-23 21:06:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 21:06:49] [INFO ] Implicit Places using invariants and state equation in 388 ms returned []
Implicit Place search using SMT with State Equation took 442 ms to find 0 implicit places.
[2024-05-23 21:06:49] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:06:49] [INFO ] Invariant cache hit.
[2024-05-23 21:06:49] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7439 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37640ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37643ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38096 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2153 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (282 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1859272 steps, run timeout after 3001 ms. (steps per millisecond=619 ) properties seen :0 out of 1
Probabilistic random walk after 1859272 steps, saw 364308 distinct states, run finished after 3001 ms. (steps per millisecond=619 ) properties seen :0
[2024-05-23 21:07:30] [INFO ] Invariant cache hit.
[2024-05-23 21:07:30] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 205/244 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1063 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1150ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 21:07:31] [INFO ] Invariant cache hit.
[2024-05-23 21:07:31] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6383 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26573ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26576ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26578 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2168 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (281 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1527010 steps, run timeout after 3001 ms. (steps per millisecond=508 ) properties seen :0 out of 1
Probabilistic random walk after 1527010 steps, saw 303128 distinct states, run finished after 3001 ms. (steps per millisecond=508 ) properties seen :0
[2024-05-23 21:08:01] [INFO ] Invariant cache hit.
[2024-05-23 21:08:01] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 205/244 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9059 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9145ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:08:10] [INFO ] Invariant cache hit.
[2024-05-23 21:08:10] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-23 21:08:10] [INFO ] Invariant cache hit.
[2024-05-23 21:08:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 21:08:10] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 340 ms to find 0 implicit places.
[2024-05-23 21:08:10] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:08:10] [INFO ] Invariant cache hit.
[2024-05-23 21:08:10] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 8071 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30009 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38335ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38339ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38693 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-09 in 167573 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:08:49] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (756 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (58 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:08:49] [INFO ] Invariant cache hit.
[2024-05-23 21:08:49] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-23 21:08:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:08:50] [INFO ] [Nat]Absence check using state equation in 1067 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Graph (complete) has 239 edges and 25 vertex of which 24 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 24 transition count 228
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 23 place count 20 transition count 224
Applied a total of 23 rules in 4 ms. Remains 20 /25 variables (removed 5) and now considering 224/246 (removed 22) transitions.
Running 206 sub problems to find dead transitions.
// Phase 1: matrix 224 rows 20 cols
[2024-05-23 21:08:50] [INFO ] Computed 0 invariants in 1 ms
[2024-05-23 21:08:50] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7492 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20018 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27671ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27673ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27678 ms. Remains : 20/25 places, 224/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:09:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54713 resets) in 3047 ms. (328 steps per ms)
BEST_FIRST walk for 1000001 steps (7309 resets) in 830 ms. (1203 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:09:22] [INFO ] Invariant cache hit.
[2024-05-23 21:09:22] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-23 21:09:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:09:26] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:09:26] [INFO ] Invariant cache hit.
[2024-05-23 21:09:26] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-23 21:09:26] [INFO ] Invariant cache hit.
[2024-05-23 21:09:26] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 21:09:27] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2024-05-23 21:09:27] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:09:27] [INFO ] Invariant cache hit.
[2024-05-23 21:09:27] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6644 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30010 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36811ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36813ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37050 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2190 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1890895 steps, run timeout after 3001 ms. (steps per millisecond=630 ) properties seen :0 out of 1
Probabilistic random walk after 1890895 steps, saw 365505 distinct states, run finished after 3001 ms. (steps per millisecond=630 ) properties seen :0
[2024-05-23 21:10:06] [INFO ] Invariant cache hit.
[2024-05-23 21:10:06] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1069 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1153ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-23 21:10:08] [INFO ] Invariant cache hit.
[2024-05-23 21:10:08] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7173 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20009 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27349ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27351ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27353 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2185 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (288 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1659680 steps, run timeout after 3001 ms. (steps per millisecond=553 ) properties seen :0 out of 1
Probabilistic random walk after 1659680 steps, saw 321601 distinct states, run finished after 3001 ms. (steps per millisecond=553 ) properties seen :0
[2024-05-23 21:10:38] [INFO ] Invariant cache hit.
[2024-05-23 21:10:38] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9073 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9163ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-23 21:10:47] [INFO ] Invariant cache hit.
[2024-05-23 21:10:47] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-23 21:10:47] [INFO ] Invariant cache hit.
[2024-05-23 21:10:47] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-23 21:10:48] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
[2024-05-23 21:10:48] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 21:10:48] [INFO ] Invariant cache hit.
[2024-05-23 21:10:48] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7591 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30023 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37871ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37875ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38185 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-10 in 156603 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:11:25] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (747 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (59 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:11:25] [INFO ] Invariant cache hit.
[2024-05-23 21:11:26] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-23 21:11:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:11:27] [INFO ] [Nat]Absence check using state equation in 1044 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Graph (complete) has 239 edges and 25 vertex of which 24 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 24 transition count 228
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 19 transition count 223
Applied a total of 24 rules in 4 ms. Remains 19 /25 variables (removed 6) and now considering 223/246 (removed 23) transitions.
Running 205 sub problems to find dead transitions.
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 21:11:27] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 2891 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23063ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23065ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23071 ms. Remains : 19/25 places, 223/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:11:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58792 resets) in 2664 ms. (375 steps per ms)
BEST_FIRST walk for 1000000 steps (8373 resets) in 661 ms. (1510 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:11:53] [INFO ] Invariant cache hit.
[2024-05-23 21:11:53] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-23 21:11:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:12:02] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:12:02] [INFO ] Invariant cache hit.
[2024-05-23 21:12:02] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-23 21:12:02] [INFO ] Invariant cache hit.
[2024-05-23 21:12:02] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2024-05-23 21:12:02] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:12:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4568 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30045 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34775ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34778ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35012 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2363 resets) in 187 ms. (212 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (340 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1679430 steps, run timeout after 3001 ms. (steps per millisecond=559 ) properties seen :0 out of 1
Probabilistic random walk after 1679430 steps, saw 336550 distinct states, run finished after 3001 ms. (steps per millisecond=559 ) properties seen :0
[2024-05-23 21:12:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1072 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1149ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 21:12:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4546 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20044 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24757ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24760ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24762 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2361 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (326 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1515203 steps, run timeout after 3001 ms. (steps per millisecond=504 ) properties seen :0 out of 1
Probabilistic random walk after 1515203 steps, saw 307533 distinct states, run finished after 3001 ms. (steps per millisecond=504 ) properties seen :0
[2024-05-23 21:13:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9072 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9153ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:13:19] [INFO ] Invariant cache hit.
[2024-05-23 21:13:19] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-23 21:13:19] [INFO ] Invariant cache hit.
[2024-05-23 21:13:19] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 230 ms to find 0 implicit places.
[2024-05-23 21:13:19] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:13:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4546 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34816ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34818ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35055 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-11 in 148208 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:13:54] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (769 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (51 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:13:54] [INFO ] Invariant cache hit.
[2024-05-23 21:13:54] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 21:13:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:13:55] [INFO ] [Nat]Absence check using state equation in 1047 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 20 transition count 235
Applied a total of 11 rules in 4 ms. Remains 20 /25 variables (removed 5) and now considering 235/246 (removed 11) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 20 cols
[2024-05-23 21:13:55] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (OVERLAPS) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 216 unsolved in 4724 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20014 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 25014ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 25016ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25021 ms. Remains : 20/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:14:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (94380 resets) in 3150 ms. (317 steps per ms)
BEST_FIRST walk for 1000001 steps (10037 resets) in 676 ms. (1477 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:14:24] [INFO ] Invariant cache hit.
[2024-05-23 21:14:24] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-23 21:14:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:14:28] [INFO ] [Nat]Absence check using state equation in 4571 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-23 21:14:28] [INFO ] Invariant cache hit.
[2024-05-23 21:14:28] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-23 21:14:28] [INFO ] Invariant cache hit.
[2024-05-23 21:14:29] [INFO ] Implicit Places using invariants and state equation in 200 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 251 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 257 ms. Remains : 19/20 places, 223/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 21:14:29] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58126 resets) in 3069 ms. (325 steps per ms)
BEST_FIRST walk for 1000001 steps (8169 resets) in 660 ms. (1512 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:14:32] [INFO ] Invariant cache hit.
[2024-05-23 21:14:33] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-23 21:14:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:14:42] [INFO ] [Nat]Absence check using state equation in 9040 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:14:42] [INFO ] Invariant cache hit.
[2024-05-23 21:14:42] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-23 21:14:42] [INFO ] Invariant cache hit.
[2024-05-23 21:14:42] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2024-05-23 21:14:42] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:14:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4638 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30016 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34927ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34932ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35179 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2323 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (324 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1717220 steps, run timeout after 3001 ms. (steps per millisecond=572 ) properties seen :0 out of 1
Probabilistic random walk after 1717220 steps, saw 345644 distinct states, run finished after 3001 ms. (steps per millisecond=572 ) properties seen :0
[2024-05-23 21:15:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 68 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1062 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1134ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 21:15:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 2927 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20011 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23100ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23104ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23106 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2313 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (324 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1697102 steps, run timeout after 3001 ms. (steps per millisecond=565 ) properties seen :0 out of 1
Probabilistic random walk after 1697102 steps, saw 340743 distinct states, run finished after 3001 ms. (steps per millisecond=565 ) properties seen :0
[2024-05-23 21:15:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9059 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9157ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:15:56] [INFO ] Invariant cache hit.
[2024-05-23 21:15:56] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-23 21:15:56] [INFO ] Invariant cache hit.
[2024-05-23 21:15:57] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
[2024-05-23 21:15:57] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:15:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4465 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30047 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34790ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34794ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35054 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-12 in 157807 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:16:31] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (765 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (64 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:16:31] [INFO ] Invariant cache hit.
[2024-05-23 21:16:32] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-23 21:16:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:16:33] [INFO ] [Nat]Absence check using state equation in 1046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 4 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 21:16:33] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 5039 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20014 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25238ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25240ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25245 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:16:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92417 resets) in 3197 ms. (312 steps per ms)
BEST_FIRST walk for 1000001 steps (10173 resets) in 672 ms. (1485 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:17:02] [INFO ] Invariant cache hit.
[2024-05-23 21:17:02] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-23 21:17:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:17:06] [INFO ] [Nat]Absence check using state equation in 4540 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 21:17:06] [INFO ] Invariant cache hit.
[2024-05-23 21:17:06] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-23 21:17:06] [INFO ] Invariant cache hit.
[2024-05-23 21:17:07] [INFO ] Implicit Places using invariants and state equation in 196 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 242 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 246 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 21:17:07] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58806 resets) in 3057 ms. (327 steps per ms)
BEST_FIRST walk for 1000001 steps (8364 resets) in 657 ms. (1519 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:17:10] [INFO ] Invariant cache hit.
[2024-05-23 21:17:11] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-23 21:17:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:17:20] [INFO ] [Nat]Absence check using state equation in 9042 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:17:20] [INFO ] Invariant cache hit.
[2024-05-23 21:17:20] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-23 21:17:20] [INFO ] Invariant cache hit.
[2024-05-23 21:17:20] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 243 ms to find 0 implicit places.
[2024-05-23 21:17:20] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:17:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4695 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30044 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34999ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 35002ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35259 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2340 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (336 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1817142 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1817142 steps, saw 367671 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) properties seen :0
[2024-05-23 21:17:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1071 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1153ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 21:17:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4583 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20011 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24765ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24768ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24771 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2350 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (337 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1752970 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1752970 steps, saw 353478 distinct states, run finished after 3002 ms. (steps per millisecond=583 ) properties seen :0
[2024-05-23 21:18:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9066 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9155ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:18:36] [INFO ] Invariant cache hit.
[2024-05-23 21:18:36] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-23 21:18:36] [INFO ] Invariant cache hit.
[2024-05-23 21:18:36] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 235 ms to find 0 implicit places.
[2024-05-23 21:18:36] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:18:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4392 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34602ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34606ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34849 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-13 in 159595 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:19:11] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (762 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (61 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:19:11] [INFO ] Invariant cache hit.
[2024-05-23 21:19:11] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-23 21:19:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:19:12] [INFO ] [Nat]Absence check using state equation in 1045 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 5 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 21:19:12] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4961 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20010 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25166ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25168ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25174 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:19:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92373 resets) in 3075 ms. (325 steps per ms)
BEST_FIRST walk for 1000001 steps (10240 resets) in 669 ms. (1492 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:19:41] [INFO ] Invariant cache hit.
[2024-05-23 21:19:41] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-23 21:19:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:19:46] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 21:19:46] [INFO ] Invariant cache hit.
[2024-05-23 21:19:46] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-23 21:19:46] [INFO ] Invariant cache hit.
[2024-05-23 21:19:46] [INFO ] Implicit Places using invariants and state equation in 190 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 236 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 239 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 21:19:46] [INFO ] Computed 0 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58958 resets) in 2888 ms. (346 steps per ms)
BEST_FIRST walk for 1000000 steps (8494 resets) in 651 ms. (1533 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:19:50] [INFO ] Invariant cache hit.
[2024-05-23 21:19:50] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-23 21:19:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:19:59] [INFO ] [Nat]Absence check using state equation in 9041 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:19:59] [INFO ] Invariant cache hit.
[2024-05-23 21:19:59] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-23 21:19:59] [INFO ] Invariant cache hit.
[2024-05-23 21:19:59] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
[2024-05-23 21:19:59] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:19:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4449 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30009 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34622ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34624ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34850 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2361 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (337 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1766042 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :0 out of 1
Probabilistic random walk after 1766042 steps, saw 356814 distinct states, run finished after 3001 ms. (steps per millisecond=588 ) properties seen :0
[2024-05-23 21:20:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1098 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1199ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 21:20:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3973 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24148ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24151ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24154 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2343 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (335 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1625098 steps, run timeout after 3001 ms. (steps per millisecond=541 ) properties seen :0 out of 1
Probabilistic random walk after 1625098 steps, saw 326158 distinct states, run finished after 3001 ms. (steps per millisecond=541 ) properties seen :0
[2024-05-23 21:21:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9070 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9147ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:21:14] [INFO ] Invariant cache hit.
[2024-05-23 21:21:14] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 21:21:14] [INFO ] Invariant cache hit.
[2024-05-23 21:21:15] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2024-05-23 21:21:15] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:21:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4640 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34815ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34817ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35053 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-14 in 158376 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-05-23 21:21:49] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (759 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (57 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:21:49] [INFO ] Invariant cache hit.
[2024-05-23 21:21:49] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 21:21:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:21:51] [INFO ] [Nat]Absence check using state equation in 1044 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 3 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-23 21:21:51] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4025 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20009 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24205ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24207ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24211 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-23 21:22:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92554 resets) in 3007 ms. (332 steps per ms)
BEST_FIRST walk for 1000001 steps (9990 resets) in 662 ms. (1508 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:22:19] [INFO ] Invariant cache hit.
[2024-05-23 21:22:19] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 21:22:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:22:23] [INFO ] [Nat]Absence check using state equation in 4541 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-23 21:22:23] [INFO ] Invariant cache hit.
[2024-05-23 21:22:23] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-23 21:22:23] [INFO ] Invariant cache hit.
[2024-05-23 21:22:23] [INFO ] Implicit Places using invariants and state equation in 246 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 293 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 297 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-23 21:22:24] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58884 resets) in 3168 ms. (315 steps per ms)
BEST_FIRST walk for 1000001 steps (8407 resets) in 643 ms. (1552 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 21:22:27] [INFO ] Invariant cache hit.
[2024-05-23 21:22:27] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-23 21:22:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 21:22:36] [INFO ] [Nat]Absence check using state equation in 9044 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:22:36] [INFO ] Invariant cache hit.
[2024-05-23 21:22:37] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-23 21:22:37] [INFO ] Invariant cache hit.
[2024-05-23 21:22:37] [INFO ] Implicit Places using invariants and state equation in 177 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-23 21:22:37] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:22:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4161 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30038 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34396ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34399ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34624 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2354 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (326 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1853848 steps, run timeout after 3001 ms. (steps per millisecond=617 ) properties seen :0 out of 1
Probabilistic random walk after 1853848 steps, saw 377029 distinct states, run finished after 3001 ms. (steps per millisecond=617 ) properties seen :0
[2024-05-23 21:23:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/242 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 71 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1065 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1144ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-23 21:23:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 2941 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23117ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23120ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23121 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2343 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (337 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1588851 steps, run timeout after 3001 ms. (steps per millisecond=529 ) properties seen :0 out of 1
Probabilistic random walk after 1588851 steps, saw 319973 distinct states, run finished after 3001 ms. (steps per millisecond=529 ) properties seen :0
[2024-05-23 21:23:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/242 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[State Equation: 19/19 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9066 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9149ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-23 21:23:51] [INFO ] Invariant cache hit.
[2024-05-23 21:23:51] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-23 21:23:51] [INFO ] Invariant cache hit.
[2024-05-23 21:23:51] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-23 21:23:51] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-23 21:23:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3919 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30040 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34115ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34344 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-15 in 155706 ms.
[2024-05-23 21:24:25] [INFO ] Flatten gal took : 109 ms
[2024-05-23 21:24:25] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/UpperBounds.sr.xml took 5 ms.
[2024-05-23 21:24:25] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 25 places, 246 transitions and 719 arcs took 11 ms.
Total runtime 2672720 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DNAwalker-PT-09ringLR

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 25
TRANSITIONS: 246
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.008s, Sys 0.001s]


SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.000s, 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: 2399
MODEL NAME: /home/mcc/execution/414/model
25 places, 246 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
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 DNAwalker-PT-09ringLR-UpperBounds-00 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-01 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-02 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-05 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-07 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-04 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-09 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-10 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-11 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-12 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-13 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-14 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-09ringLR-UpperBounds-15 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716499472070

--------------------
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 UpperBounds -timeout 360 -rebuildPNML

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="DNAwalker-PT-09ringLR"
export BK_EXAMINATION="UpperBounds"
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 DNAwalker-PT-09ringLR, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r113-smll-171624274900437"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-09ringLR.tgz
mv DNAwalker-PT-09ringLR execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;