About the Execution of LTSMin+red for DNAwalker-PT-15ringRRLarge
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 645.020 | 2418767.00 | 2486324.00 | 27056.30 | ? 1 ? ? ? ? ? 1 ? ? ? ? 1 ? ? ? | normal |
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.r484-smll-171624276100485.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 ltsminxred
Input is DNAwalker-PT-15ringRRLarge, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r484-smll-171624276100485
=====================================================================
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preparation of the directory to be used:
/home/mcc/execution
total 652K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K 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 3.3K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 14:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Apr 13 14:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 13 14:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 101K Apr 13 14:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 14 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 135K 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-15ringRRLarge-UpperBounds-00
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-01
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-02
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-03
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-04
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-05
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-06
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-07
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-08
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-09
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-10
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-11
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-12
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-13
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-14
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717320656384
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-15ringRRLarge
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-02 09:30:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-02 09:30:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-02 09:30:58] [INFO ] Load time of PNML (sax parser for PT used): 130 ms
[2024-06-02 09:30:58] [INFO ] Transformed 33 places.
[2024-06-02 09:30:58] [INFO ] Transformed 312 transitions.
[2024-06-02 09:30:58] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 300 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0] 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:[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 09:30:58] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2024-06-02 09:30:58] [INFO ] Computed 0 invariants in 22 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (778 resets) in 87 ms. (113 steps per ms)
BEST_FIRST walk for 160014 steps (893 resets) in 223 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 09:31:00] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2024-06-02 09:31:00] [INFO ] Invariant cache hit.
[2024-06-02 09:31:00] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2024-06-02 09:31:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:01] [INFO ] [Nat]Absence check using state equation in 667 ms returned unknown
[2024-06-02 09:31:01] [INFO ] [Real]Absence check using state equation in 79 ms returned unsat
[2024-06-02 09:31:01] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2024-06-02 09:31:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:02] [INFO ] [Nat]Absence check using state equation in 586 ms returned unknown
[2024-06-02 09:31:02] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-06-02 09:31:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:02] [INFO ] [Nat]Absence check using state equation in 574 ms returned unknown
[2024-06-02 09:31:03] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-06-02 09:31:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:03] [INFO ] [Nat]Absence check using state equation in 575 ms returned unknown
[2024-06-02 09:31:03] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-06-02 09:31:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:04] [INFO ] [Nat]Absence check using state equation in 570 ms returned unknown
[2024-06-02 09:31:04] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2024-06-02 09:31:04] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:05] [INFO ] [Nat]Absence check using state equation in 567 ms returned unknown
[2024-06-02 09:31:05] [INFO ] [Real]Absence check using state equation in 59 ms returned unsat
[2024-06-02 09:31:05] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-06-02 09:31:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:05] [INFO ] [Nat]Absence check using state equation in 575 ms returned unknown
[2024-06-02 09:31:05] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-06-02 09:31:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:06] [INFO ] [Nat]Absence check using state equation in 573 ms returned unknown
[2024-06-02 09:31:06] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-06-02 09:31:06] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:07] [INFO ] [Nat]Absence check using state equation in 569 ms returned unknown
[2024-06-02 09:31:07] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-06-02 09:31:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:08] [INFO ] [Nat]Absence check using state equation in 570 ms returned unknown
[2024-06-02 09:31:08] [INFO ] [Real]Absence check using state equation in 50 ms returned unsat
[2024-06-02 09:31:08] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 09:31:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:08] [INFO ] [Nat]Absence check using state equation in 567 ms returned unknown
[2024-06-02 09:31:08] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-06-02 09:31:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:09] [INFO ] [Nat]Absence check using state equation in 567 ms returned unknown
[2024-06-02 09:31:09] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-06-02 09:31:09] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:31:10] [INFO ] [Nat]Absence check using state equation in 577 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, 1, +inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf]
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-01 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 312/312 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 33 transition count 304
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 32 transition count 303
Applied a total of 9 rules in 68 ms. Remains 32 /33 variables (removed 1) and now considering 303/312 (removed 9) transitions.
Running 279 sub problems to find dead transitions.
// Phase 1: matrix 303 rows 32 cols
[2024-06-02 09:31:10] [INFO ] Computed 0 invariants in 9 ms
[2024-06-02 09:31:10] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 1 (OVERLAPS) 303/330 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/330 variables, 59/86 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/330 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 4 (OVERLAPS) 5/335 variables, 5/91 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/335 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 6 (OVERLAPS) 0/335 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 279 unsolved
No progress, stopping.
After SMT solving in domain Real declared 335/335 variables, and 91 constraints, problems are : Problem set: 0 solved, 279 unsolved in 12989 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 279/279 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 279 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 1 (OVERLAPS) 303/330 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/330 variables, 59/86 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/330 variables, 279/365 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/330 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 5 (OVERLAPS) 5/335 variables, 5/370 constraints. Problems are: Problem set: 0 solved, 279 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 335/335 variables, and 370 constraints, problems are : Problem set: 0 solved, 279 unsolved in 20035 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 279/279 constraints, Known Traps: 0/0 constraints]
After SMT, in 33568ms problems are : Problem set: 0 solved, 279 unsolved
Search for dead transitions found 0 dead transitions in 33597ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33693 ms. Remains : 32/33 places, 303/312 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:31:43] [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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (80536 resets) in 3622 ms. (276 steps per ms)
BEST_FIRST walk for 13000012 steps (84187 resets) in 10695 ms. (1215 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 09:31:58] [INFO ] Invariant cache hit.
[2024-06-02 09:31:58] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 09:31:58] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:03] [INFO ] [Nat]Absence check using state equation in 4593 ms returned unknown
[2024-06-02 09:32:03] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-06-02 09:32:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:07] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
[2024-06-02 09:32:07] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-06-02 09:32:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:12] [INFO ] [Nat]Absence check using state equation in 4563 ms returned unknown
[2024-06-02 09:32:12] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 09:32:12] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:17] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-06-02 09:32:17] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 09:32:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:21] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-06-02 09:32:21] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 09:32:21] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:26] [INFO ] [Nat]Absence check using state equation in 4564 ms returned unknown
[2024-06-02 09:32:26] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 09:32:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:31] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
[2024-06-02 09:32:31] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-06-02 09:32:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:35] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-06-02 09:32:35] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-06-02 09:32:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:40] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-06-02 09:32:40] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 09:32:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:45] [INFO ] [Nat]Absence check using state equation in 4570 ms returned unknown
[2024-06-02 09:32:45] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-06-02 09:32:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:49] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-06-02 09:32:49] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 09:32:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:54] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-06-02 09:32:54] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-06-02 09:32:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:32:59] [INFO ] [Nat]Absence check using state equation in 4564 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] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 303/303 transitions.
Applied a total of 0 rules in 10 ms. Remains 32 /32 variables (removed 0) and now considering 303/303 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 32/32 places, 303/303 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 303/303 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 303/303 (removed 0) transitions.
[2024-06-02 09:32:59] [INFO ] Invariant cache hit.
[2024-06-02 09:32:59] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-06-02 09:32:59] [INFO ] Invariant cache hit.
[2024-06-02 09:32:59] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-02 09:32:59] [INFO ] Implicit Places using invariants and state equation in 460 ms returned [8, 25]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 15 transitions.
Implicit Place search using SMT with State Equation took 583 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 30/32 places, 288/303 transitions.
Applied a total of 0 rules in 12 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 605 ms. Remains : 30/32 places, 288/303 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 288 rows 30 cols
[2024-06-02 09:32:59] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[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]
RANDOM walk for 1000000 steps (59038 resets) in 3441 ms. (290 steps per ms)
BEST_FIRST walk for 13000011 steps (76220 resets) in 10090 ms. (1288 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 09:33:13] [INFO ] Invariant cache hit.
[2024-06-02 09:33:13] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 09:33:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:18] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-06-02 09:33:18] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 09:33:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:22] [INFO ] [Nat]Absence check using state equation in 4577 ms returned unknown
[2024-06-02 09:33:23] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 09:33:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:27] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-06-02 09:33:27] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 09:33:27] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:32] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
[2024-06-02 09:33:32] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 09:33:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:36] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-06-02 09:33:37] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 09:33:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:41] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
[2024-06-02 09:33:41] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 09:33:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:46] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-06-02 09:33:46] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-06-02 09:33:46] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:51] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-06-02 09:33:51] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 09:33:51] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:33:55] [INFO ] [Nat]Absence check using state equation in 4561 ms returned unknown
[2024-06-02 09:33:55] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 09:33:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:34:00] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 09:34:00] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 09:34:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:34:05] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 09:34:05] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 09:34:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:34:09] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
[2024-06-02 09:34:09] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 09:34:09] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:34:14] [INFO ] [Nat]Absence check using state equation in 4559 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] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 6 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 30/30 places, 288/288 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
[2024-06-02 09:34:14] [INFO ] Invariant cache hit.
[2024-06-02 09:34:14] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 09:34:14] [INFO ] Invariant cache hit.
[2024-06-02 09:34:14] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-02 09:34:14] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 362 ms to find 0 implicit places.
[2024-06-02 09:34:14] [INFO ] Redundant transitions in 21 ms returned []
Running 266 sub problems to find dead transitions.
[2024-06-02 09:34:14] [INFO ] Invariant cache hit.
[2024-06-02 09:34:14] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (OVERLAPS) 5/318 variables, 5/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 266 unsolved in 11495 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 266/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 5/318 variables, 5/355 constraints. Problems are: Problem set: 0 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 355 constraints, problems are : Problem set: 0 solved, 266 unsolved in 30017 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 41884ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 41890ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42285 ms. Remains : 30/30 places, 288/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2352 resets) in 2103 ms. (19 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (250 resets) in 191 ms. (208 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (242 resets) in 221 ms. (180 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (236 resets) in 107 ms. (370 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (230 resets) in 125 ms. (317 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (248 resets) in 114 ms. (347 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (220 resets) in 129 ms. (307 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (228 resets) in 117 ms. (339 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (239 resets) in 93 ms. (425 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (188 resets) in 97 ms. (408 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (245 resets) in 103 ms. (384 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (258 resets) in 108 ms. (367 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (208 resets) in 108 ms. (367 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (218 resets) in 105 ms. (377 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 462623 steps, run timeout after 3001 ms. (steps per millisecond=154 ) properties seen :0 out of 13
Probabilistic random walk after 462623 steps, saw 97453 distinct states, run finished after 3008 ms. (steps per millisecond=153 ) properties seen :0
[2024-06-02 09:35:01] [INFO ] Invariant cache hit.
[2024-06-02 09:35:01] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 93/318 variables, 17/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 600 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 5006 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 0/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 5623ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Running 266 sub problems to find dead transitions.
[2024-06-02 09:35:06] [INFO ] Invariant cache hit.
[2024-06-02 09:35:06] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (OVERLAPS) 5/318 variables, 5/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 266 unsolved in 11168 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 266/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 5/318 variables, 5/355 constraints. Problems are: Problem set: 0 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 355 constraints, problems are : Problem set: 0 solved, 266 unsolved in 20015 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 31422ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 31426ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31433 ms. Remains : 30/30 places, 288/288 transitions.
RANDOM walk for 40000 steps (2374 resets) in 436 ms. (91 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (249 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (238 resets) in 66 ms. (597 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (228 resets) in 85 ms. (465 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (227 resets) in 58 ms. (678 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (250 resets) in 93 ms. (425 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (229 resets) in 75 ms. (526 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (231 resets) in 57 ms. (689 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (229 resets) in 79 ms. (500 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (193 resets) in 76 ms. (519 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (243 resets) in 70 ms. (563 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (263 resets) in 71 ms. (555 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (212 resets) in 43 ms. (909 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (218 resets) in 44 ms. (888 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 492020 steps, run timeout after 3001 ms. (steps per millisecond=163 ) properties seen :0 out of 13
Probabilistic random walk after 492020 steps, saw 103532 distinct states, run finished after 3001 ms. (steps per millisecond=163 ) properties seen :0
[2024-06-02 09:35:41] [INFO ] Invariant cache hit.
[2024-06-02 09:35:41] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 93/318 variables, 17/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 608 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 45009 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 0/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 45634ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 10 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 30/30 places, 288/288 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
[2024-06-02 09:36:27] [INFO ] Invariant cache hit.
[2024-06-02 09:36:27] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-06-02 09:36:27] [INFO ] Invariant cache hit.
[2024-06-02 09:36:27] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-02 09:36:27] [INFO ] Implicit Places using invariants and state equation in 298 ms returned []
Implicit Place search using SMT with State Equation took 350 ms to find 0 implicit places.
[2024-06-02 09:36:27] [INFO ] Redundant transitions in 5 ms returned []
Running 266 sub problems to find dead transitions.
[2024-06-02 09:36:27] [INFO ] Invariant cache hit.
[2024-06-02 09:36:27] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (OVERLAPS) 5/318 variables, 5/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 266 unsolved in 11601 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 266/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 5/318 variables, 5/355 constraints. Problems are: Problem set: 0 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 355 constraints, problems are : Problem set: 0 solved, 266 unsolved in 30013 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 41817ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 41821ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42187 ms. Remains : 30/30 places, 288/288 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-00
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]
[2024-06-02 09:37:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (586 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (61 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:37:09] [INFO ] Invariant cache hit.
[2024-06-02 09:37:09] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 09:37:09] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:37:10] [INFO ] [Nat]Absence check using state equation in 557 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 11 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 09:37:10] [INFO ] Computed 0 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4224 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24431ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24434ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24446 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:37:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49615 resets) in 2836 ms. (352 steps per ms)
BEST_FIRST walk for 1000001 steps (7331 resets) in 747 ms. (1336 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:37:38] [INFO ] Invariant cache hit.
[2024-06-02 09:37:38] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 09:37:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:37:47] [INFO ] [Nat]Absence check using state equation in 9052 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, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:37:47] [INFO ] Invariant cache hit.
[2024-06-02 09:37:47] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-02 09:37:47] [INFO ] Invariant cache hit.
[2024-06-02 09:37:48] [INFO ] Implicit Places using invariants and state equation in 256 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
[2024-06-02 09:37:48] [INFO ] Redundant transitions in 4 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:37:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4162 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34370ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34373ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34701 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1989 resets) in 334 ms. (119 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 1469150 steps, run timeout after 3001 ms. (steps per millisecond=489 ) properties seen :0 out of 1
Probabilistic random walk after 1469150 steps, saw 336429 distinct states, run finished after 3001 ms. (steps per millisecond=489 ) properties seen :0
[2024-06-02 09:38:25] [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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/296 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 25/25 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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1082 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1181ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 09:38:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4192 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24393ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24396ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24401 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1964 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1482766 steps, run timeout after 3001 ms. (steps per millisecond=494 ) properties seen :0 out of 1
Probabilistic random walk after 1482766 steps, saw 339313 distinct states, run finished after 3001 ms. (steps per millisecond=494 ) properties seen :0
[2024-06-02 09:38:54] [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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/296 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[State Equation: 25/25 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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9087 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9192ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 11 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:39:03] [INFO ] Invariant cache hit.
[2024-06-02 09:39:03] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-06-02 09:39:03] [INFO ] Invariant cache hit.
[2024-06-02 09:39:03] [INFO ] Implicit Places using invariants and state equation in 249 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
[2024-06-02 09:39:03] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:39:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4451 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30025 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34679ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34684ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35011 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-00 in 148827 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-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 288 rows 30 cols
[2024-06-02 09:39:38] [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 (581 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (57 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:39:38] [INFO ] Invariant cache hit.
[2024-06-02 09:39:38] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 09:39:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:39:39] [INFO ] [Nat]Absence check using state equation in 561 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 9 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 09:39:39] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4178 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24380ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24389ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24400 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:40:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49310 resets) in 2734 ms. (365 steps per ms)
BEST_FIRST walk for 1000001 steps (7169 resets) in 738 ms. (1353 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:40:07] [INFO ] Invariant cache hit.
[2024-06-02 09:40:07] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-06-02 09:40:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:40:16] [INFO ] [Nat]Absence check using state equation in 9071 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, 271/271 transitions.
Applied a total of 0 rules in 14 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:40:16] [INFO ] Invariant cache hit.
[2024-06-02 09:40:16] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-06-02 09:40:16] [INFO ] Invariant cache hit.
[2024-06-02 09:40:16] [INFO ] Implicit Places using invariants and state equation in 317 ms returned []
Implicit Place search using SMT with State Equation took 379 ms to find 0 implicit places.
[2024-06-02 09:40:16] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:40:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5638 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35941ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35947ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36356 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1978 resets) in 177 ms. (224 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (282 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1463508 steps, run timeout after 3001 ms. (steps per millisecond=487 ) properties seen :0 out of 1
Probabilistic random walk after 1463508 steps, saw 335146 distinct states, run finished after 3001 ms. (steps per millisecond=487 ) properties seen :0
[2024-06-02 09:40:56] [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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[State Equation: 25/25 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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1101 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1233ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 09:40:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4370 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20019 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24690ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24695ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24702 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1970 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (282 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1531658 steps, run timeout after 3001 ms. (steps per millisecond=510 ) properties seen :0 out of 1
Probabilistic random walk after 1531658 steps, saw 351404 distinct states, run finished after 3001 ms. (steps per millisecond=510 ) properties seen :0
[2024-06-02 09:41:25] [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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[State Equation: 25/25 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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9123 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9241ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 14 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:41:34] [INFO ] Invariant cache hit.
[2024-06-02 09:41:34] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-06-02 09:41:34] [INFO ] Invariant cache hit.
[2024-06-02 09:41:34] [INFO ] Implicit Places using invariants and state equation in 241 ms returned []
Implicit Place search using SMT with State Equation took 327 ms to find 0 implicit places.
[2024-06-02 09:41:34] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:41:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5965 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30021 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36186ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36189ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36540 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-02 in 152279 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-03
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 288 rows 30 cols
[2024-06-02 09:42:10] [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 (584 resets) in 41 ms. (238 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]
[2024-06-02 09:42:10] [INFO ] Invariant cache hit.
[2024-06-02 09:42:11] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-06-02 09:42:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:42:11] [INFO ] [Nat]Absence check using state equation in 565 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 13 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 09:42:11] [INFO ] Computed 0 invariants in 2 ms
[2024-06-02 09:42:11] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 7905 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 284 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20066 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28291ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28297ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28311 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:42:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46485 resets) in 2952 ms. (338 steps per ms)
BEST_FIRST walk for 1000001 steps (6187 resets) in 725 ms. (1377 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:42:43] [INFO ] Invariant cache hit.
[2024-06-02 09:42:43] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 09:42:43] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:42:48] [INFO ] [Nat]Absence check using state equation in 4576 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 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 6 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 09:42:48] [INFO ] Invariant cache hit.
[2024-06-02 09:42:48] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-06-02 09:42:48] [INFO ] Invariant cache hit.
[2024-06-02 09:42:48] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 09:42:49] [INFO ] Implicit Places using invariants and state equation in 428 ms returned []
Implicit Place search using SMT with State Equation took 526 ms to find 0 implicit places.
[2024-06-02 09:42:49] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 09:42:49] [INFO ] Invariant cache hit.
[2024-06-02 09:42:49] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 9955 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30012 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40265ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40270ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40812 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1844 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (242 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1597857 steps, run timeout after 3001 ms. (steps per millisecond=532 ) properties seen :0 out of 1
Probabilistic random walk after 1597857 steps, saw 352026 distinct states, run finished after 3001 ms. (steps per millisecond=532 ) properties seen :0
[2024-06-02 09:43:32] [INFO ] Invariant cache hit.
[2024-06-02 09:43:32] [INFO ] State equation strengthened by 9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1092 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1198ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 09:43:33] [INFO ] Invariant cache hit.
[2024-06-02 09:43:33] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10369 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 284 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20051 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 30691ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 30695ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30699 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1851 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (252 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1583131 steps, run timeout after 3001 ms. (steps per millisecond=527 ) properties seen :0 out of 1
Probabilistic random walk after 1583131 steps, saw 348434 distinct states, run finished after 3001 ms. (steps per millisecond=527 ) properties seen :0
[2024-06-02 09:44:07] [INFO ] Invariant cache hit.
[2024-06-02 09:44:07] [INFO ] State equation strengthened by 9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9109 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9233ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 5 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 09:44:16] [INFO ] Invariant cache hit.
[2024-06-02 09:44:16] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-06-02 09:44:16] [INFO ] Invariant cache hit.
[2024-06-02 09:44:16] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 09:44:17] [INFO ] Implicit Places using invariants and state equation in 271 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
[2024-06-02 09:44:17] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 09:44:17] [INFO ] Invariant cache hit.
[2024-06-02 09:44:17] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10152 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30013 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40360ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40363ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40712 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-03 in 166533 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-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 288 rows 30 cols
[2024-06-02 09:44:57] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (594 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (57 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:44:57] [INFO ] Invariant cache hit.
[2024-06-02 09:44:57] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 09:44:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:44:58] [INFO ] [Nat]Absence check using state equation in 554 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 11 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 09:44:58] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4426 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24743ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24746ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24762 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:45:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49216 resets) in 2911 ms. (343 steps per ms)
BEST_FIRST walk for 1000001 steps (7151 resets) in 741 ms. (1347 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:45:26] [INFO ] Invariant cache hit.
[2024-06-02 09:45:26] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 09:45:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:45:35] [INFO ] [Nat]Absence check using state equation in 9056 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, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:45:35] [INFO ] Invariant cache hit.
[2024-06-02 09:45:35] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-06-02 09:45:35] [INFO ] Invariant cache hit.
[2024-06-02 09:45:36] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 311 ms to find 0 implicit places.
[2024-06-02 09:45:36] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:45:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6614 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30015 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36939ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36942ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37265 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1984 resets) in 288 ms. (138 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (284 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1331385 steps, run timeout after 3001 ms. (steps per millisecond=443 ) properties seen :0 out of 1
Probabilistic random walk after 1331385 steps, saw 302686 distinct states, run finished after 3001 ms. (steps per millisecond=443 ) properties seen :0
[2024-06-02 09:46:16] [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) 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) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 25/25 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) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1082 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1198ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 09:46:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4202 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24417ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24420ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24428 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1952 resets) in 220 ms. (180 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (289 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1471409 steps, run timeout after 3001 ms. (steps per millisecond=490 ) properties seen :0 out of 1
Probabilistic random walk after 1471409 steps, saw 336920 distinct states, run finished after 3001 ms. (steps per millisecond=490 ) properties seen :0
[2024-06-02 09:46:45] [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) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 93 ms.
Refiners :[State Equation: 25/25 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) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9084 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9194ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:46:54] [INFO ] Invariant cache hit.
[2024-06-02 09:46:54] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-06-02 09:46:54] [INFO ] Invariant cache hit.
[2024-06-02 09:46:54] [INFO ] Implicit Places using invariants and state equation in 257 ms returned []
Implicit Place search using SMT with State Equation took 333 ms to find 0 implicit places.
[2024-06-02 09:46:54] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:46:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5131 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35454ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35459ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35804 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-04 in 152637 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-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 288 rows 30 cols
[2024-06-02 09:47:30] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (593 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (60 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:47:30] [INFO ] Invariant cache hit.
[2024-06-02 09:47:30] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-06-02 09:47:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:47:30] [INFO ] [Nat]Absence check using state equation in 591 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 14 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 09:47:30] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6279 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20017 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26572ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26577ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26593 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:47:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49346 resets) in 2947 ms. (339 steps per ms)
BEST_FIRST walk for 1000001 steps (7168 resets) in 946 ms. (1055 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:48:01] [INFO ] Invariant cache hit.
[2024-06-02 09:48:01] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 09:48:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:48:10] [INFO ] [Nat]Absence check using state equation in 9055 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, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:48:10] [INFO ] Invariant cache hit.
[2024-06-02 09:48:10] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 09:48:10] [INFO ] Invariant cache hit.
[2024-06-02 09:48:10] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
[2024-06-02 09:48:10] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:48:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5925 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36187ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36190ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36508 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1965 resets) in 169 ms. (235 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (285 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1507271 steps, run timeout after 3001 ms. (steps per millisecond=502 ) properties seen :0 out of 1
Probabilistic random walk after 1507271 steps, saw 355918 distinct states, run finished after 3004 ms. (steps per millisecond=501 ) properties seen :0
[2024-06-02 09:48:50] [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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[State Equation: 25/25 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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1101 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1214ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 09:48:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4758 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24973ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24978ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24983 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1980 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (270 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1392679 steps, run timeout after 3001 ms. (steps per millisecond=464 ) properties seen :0 out of 1
Probabilistic random walk after 1392679 steps, saw 327250 distinct states, run finished after 3001 ms. (steps per millisecond=464 ) properties seen :0
[2024-06-02 09:49:19] [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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[State Equation: 25/25 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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9127 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9272ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:49:28] [INFO ] Invariant cache hit.
[2024-06-02 09:49:28] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 09:49:28] [INFO ] Invariant cache hit.
[2024-06-02 09:49:29] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
[2024-06-02 09:49:29] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:49:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5728 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30017 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35937ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35940ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36263 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-05 in 155069 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-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 288 rows 30 cols
[2024-06-02 09:50:05] [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 (588 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (56 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:50:05] [INFO ] Invariant cache hit.
[2024-06-02 09:50:05] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-06-02 09:50:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:50:05] [INFO ] [Nat]Absence check using state equation in 603 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 28 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 09:50:05] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 09:50:05] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10220 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20016 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 30526ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 30530ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30562 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:50:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46275 resets) in 3155 ms. (316 steps per ms)
BEST_FIRST walk for 1000001 steps (6117 resets) in 726 ms. (1375 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:50:40] [INFO ] Invariant cache hit.
[2024-06-02 09:50:40] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-06-02 09:50:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:50:45] [INFO ] [Nat]Absence check using state equation in 4547 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 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 09:50:45] [INFO ] Invariant cache hit.
[2024-06-02 09:50:45] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-06-02 09:50:45] [INFO ] Invariant cache hit.
[2024-06-02 09:50:45] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-02 09:50:45] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
[2024-06-02 09:50:45] [INFO ] Redundant transitions in 1 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 09:50:45] [INFO ] Invariant cache hit.
[2024-06-02 09:50:45] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8522 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30013 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38716ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38719ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39065 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1853 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (241 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1537413 steps, run timeout after 3001 ms. (steps per millisecond=512 ) properties seen :0 out of 1
Probabilistic random walk after 1537413 steps, saw 337448 distinct states, run finished after 3005 ms. (steps per millisecond=511 ) properties seen :0
[2024-06-02 09:51:27] [INFO ] Invariant cache hit.
[2024-06-02 09:51:27] [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) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 95/298 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[State Equation: 26/26 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) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1222ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 09:51:28] [INFO ] Invariant cache hit.
[2024-06-02 09:51:28] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8241 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28459ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28462ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28465 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1853 resets) in 182 ms. (218 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (240 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1267112 steps, run timeout after 3001 ms. (steps per millisecond=422 ) properties seen :0 out of 1
Probabilistic random walk after 1267112 steps, saw 280053 distinct states, run finished after 3004 ms. (steps per millisecond=421 ) properties seen :0
[2024-06-02 09:52:00] [INFO ] Invariant cache hit.
[2024-06-02 09:52:00] [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) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 95/298 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[State Equation: 26/26 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) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9136 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9285ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 09:52:09] [INFO ] Invariant cache hit.
[2024-06-02 09:52:09] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-06-02 09:52:09] [INFO ] Invariant cache hit.
[2024-06-02 09:52:09] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-02 09:52:09] [INFO ] Implicit Places using invariants and state equation in 266 ms returned []
Implicit Place search using SMT with State Equation took 339 ms to find 0 implicit places.
[2024-06-02 09:52:09] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 09:52:09] [INFO ] Invariant cache hit.
[2024-06-02 09:52:09] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8434 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30033 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38683ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38686ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39035 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-06 in 163399 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-08
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 288 rows 30 cols
[2024-06-02 09:52:48] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (594 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (57 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:52:48] [INFO ] Invariant cache hit.
[2024-06-02 09:52:48] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-06-02 09:52:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:52:49] [INFO ] [Nat]Absence check using state equation in 557 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 7 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 09:52:49] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4857 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 274 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20049 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25078ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25081ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25088 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:53:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49301 resets) in 2901 ms. (344 steps per ms)
BEST_FIRST walk for 1000001 steps (7262 resets) in 713 ms. (1400 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:53:18] [INFO ] Invariant cache hit.
[2024-06-02 09:53:18] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 09:53:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:53:27] [INFO ] [Nat]Absence check using state equation in 9059 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, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:53:27] [INFO ] Invariant cache hit.
[2024-06-02 09:53:27] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-06-02 09:53:27] [INFO ] Invariant cache hit.
[2024-06-02 09:53:27] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
[2024-06-02 09:53:27] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:53:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5872 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36065ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36068ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36370 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1972 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (288 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1288835 steps, run timeout after 3001 ms. (steps per millisecond=429 ) properties seen :0 out of 1
Probabilistic random walk after 1288835 steps, saw 291741 distinct states, run finished after 3004 ms. (steps per millisecond=429 ) properties seen :0
[2024-06-02 09:54:06] [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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[State Equation: 25/25 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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1095 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1214ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 09:54:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5332 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 274 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20055 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25691ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25695ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25700 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1975 resets) in 257 ms. (155 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1329013 steps, run timeout after 3001 ms. (steps per millisecond=442 ) properties seen :0 out of 1
Probabilistic random walk after 1329013 steps, saw 302156 distinct states, run finished after 3001 ms. (steps per millisecond=442 ) properties seen :0
[2024-06-02 09:54:36] [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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[State Equation: 25/25 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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9131 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9277ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:54:46] [INFO ] Invariant cache hit.
[2024-06-02 09:54:46] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-06-02 09:54:46] [INFO ] Invariant cache hit.
[2024-06-02 09:54:46] [INFO ] Implicit Places using invariants and state equation in 339 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
[2024-06-02 09:54:46] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:54:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5210 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30021 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35526ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35530ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35955 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-08 in 153521 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-09
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 288 rows 30 cols
[2024-06-02 09:55:22] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (580 resets) in 51 ms. (192 steps per ms)
BEST_FIRST walk for 10000 steps (57 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:55:22] [INFO ] Invariant cache hit.
[2024-06-02 09:55:22] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2024-06-02 09:55:22] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:55:22] [INFO ] [Nat]Absence check using state equation in 589 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 8 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 09:55:22] [INFO ] Computed 0 invariants in 6 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5606 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25910ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25914ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25923 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:55:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49435 resets) in 3330 ms. (300 steps per ms)
BEST_FIRST walk for 1000001 steps (7212 resets) in 718 ms. (1390 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:55:52] [INFO ] Invariant cache hit.
[2024-06-02 09:55:53] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 09:55:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:56:02] [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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:56:02] [INFO ] Invariant cache hit.
[2024-06-02 09:56:02] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 09:56:02] [INFO ] Invariant cache hit.
[2024-06-02 09:56:02] [INFO ] Implicit Places using invariants and state equation in 366 ms returned []
Implicit Place search using SMT with State Equation took 422 ms to find 0 implicit places.
[2024-06-02 09:56:02] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:56:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5276 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35537ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35540ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35972 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1978 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (287 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1429468 steps, run timeout after 3001 ms. (steps per millisecond=476 ) properties seen :0 out of 1
Probabilistic random walk after 1429468 steps, saw 342605 distinct states, run finished after 3001 ms. (steps per millisecond=476 ) properties seen :0
[2024-06-02 09:56:41] [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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 125/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[State Equation: 25/25 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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1073 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1225ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 09:56:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5672 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25867ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25869ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25873 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1958 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (294 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1405588 steps, run timeout after 3001 ms. (steps per millisecond=468 ) properties seen :0 out of 1
Probabilistic random walk after 1405588 steps, saw 335607 distinct states, run finished after 3001 ms. (steps per millisecond=468 ) properties seen :0
[2024-06-02 09:57:11] [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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 125/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 124 ms.
Refiners :[State Equation: 25/25 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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9106 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9238ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 09:57:20] [INFO ] Invariant cache hit.
[2024-06-02 09:57:20] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-06-02 09:57:20] [INFO ] Invariant cache hit.
[2024-06-02 09:57:20] [INFO ] Implicit Places using invariants and state equation in 241 ms returned []
Implicit Place search using SMT with State Equation took 315 ms to find 0 implicit places.
[2024-06-02 09:57:20] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 09:57:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6280 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36482ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36484ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36808 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-09 in 155440 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-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 288 rows 30 cols
[2024-06-02 09:57:57] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (591 resets) in 51 ms. (192 steps per ms)
BEST_FIRST walk for 10001 steps (48 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:57:57] [INFO ] Invariant cache hit.
[2024-06-02 09:57:57] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 09:57:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:57:58] [INFO ] [Nat]Absence check using state equation in 588 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 9 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 09:57:58] [INFO ] Computed 0 invariants in 2 ms
[2024-06-02 09:57:58] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 9181 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 29497ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29502ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29513 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 09:58:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (45587 resets) in 2899 ms. (344 steps per ms)
BEST_FIRST walk for 1000001 steps (6016 resets) in 728 ms. (1371 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 09:58:31] [INFO ] Invariant cache hit.
[2024-06-02 09:58:31] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-06-02 09:58:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 09:58:36] [INFO ] [Nat]Absence check using state equation in 4551 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 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 09:58:36] [INFO ] Invariant cache hit.
[2024-06-02 09:58:36] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-06-02 09:58:36] [INFO ] Invariant cache hit.
[2024-06-02 09:58:36] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-06-02 09:58:36] [INFO ] Implicit Places using invariants and state equation in 491 ms returned []
Implicit Place search using SMT with State Equation took 565 ms to find 0 implicit places.
[2024-06-02 09:58:36] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 09:58:36] [INFO ] Invariant cache hit.
[2024-06-02 09:58:36] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8436 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38754ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38759ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39338 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1827 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (238 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1388376 steps, run timeout after 3001 ms. (steps per millisecond=462 ) properties seen :0 out of 1
Probabilistic random walk after 1388376 steps, saw 312389 distinct states, run finished after 3001 ms. (steps per millisecond=462 ) properties seen :0
[2024-06-02 09:59:18] [INFO ] Invariant cache hit.
[2024-06-02 09:59:18] [INFO ] State equation strengthened by 17 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) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 27/298 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 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) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/271 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 44 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1112 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1221ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 09:59:19] [INFO ] Invariant cache hit.
[2024-06-02 09:59:19] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8991 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 29308ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29312ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29317 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1814 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (238 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1476983 steps, run timeout after 3001 ms. (steps per millisecond=492 ) properties seen :0 out of 1
Probabilistic random walk after 1476983 steps, saw 330652 distinct states, run finished after 3001 ms. (steps per millisecond=492 ) properties seen :0
[2024-06-02 09:59:52] [INFO ] Invariant cache hit.
[2024-06-02 09:59:52] [INFO ] State equation strengthened by 17 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) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 27/298 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 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) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/271 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 44 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9122 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9231ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 10:00:01] [INFO ] Invariant cache hit.
[2024-06-02 10:00:01] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-06-02 10:00:01] [INFO ] Invariant cache hit.
[2024-06-02 10:00:01] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-06-02 10:00:02] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 408 ms to find 0 implicit places.
[2024-06-02 10:00:02] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 10:00:02] [INFO ] Invariant cache hit.
[2024-06-02 10:00:02] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 9448 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30015 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 39778ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 39782ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40203 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-10 in 164332 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-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 288 rows 30 cols
[2024-06-02 10:00:41] [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 (590 resets) in 33 ms. (294 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]
[2024-06-02 10:00:41] [INFO ] Invariant cache hit.
[2024-06-02 10:00:41] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 10:00:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:00:42] [INFO ] [Nat]Absence check using state equation in 556 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 8 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 10:00:42] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5487 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25795ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25800ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25810 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 10:01:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49296 resets) in 3282 ms. (304 steps per ms)
BEST_FIRST walk for 1000001 steps (7233 resets) in 878 ms. (1137 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 10:01:12] [INFO ] Invariant cache hit.
[2024-06-02 10:01:12] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 10:01:12] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:01:21] [INFO ] [Nat]Absence check using state equation in 9068 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, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 10:01:21] [INFO ] Invariant cache hit.
[2024-06-02 10:01:21] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 10:01:21] [INFO ] Invariant cache hit.
[2024-06-02 10:01:22] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
[2024-06-02 10:01:22] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 10:01:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6060 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36323ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36325ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36647 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1964 resets) in 178 ms. (223 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (295 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1304621 steps, run timeout after 3001 ms. (steps per millisecond=434 ) properties seen :0 out of 1
Probabilistic random walk after 1304621 steps, saw 306779 distinct states, run finished after 3001 ms. (steps per millisecond=434 ) properties seen :0
[2024-06-02 10:02:01] [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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 150 ms.
Refiners :[State Equation: 25/25 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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1139 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1295ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 10:02:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6044 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20019 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26265ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26271ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26278 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1970 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1290722 steps, run timeout after 3001 ms. (steps per millisecond=430 ) properties seen :0 out of 1
Probabilistic random walk after 1290722 steps, saw 302838 distinct states, run finished after 3004 ms. (steps per millisecond=429 ) properties seen :0
[2024-06-02 10:02:32] [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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[State Equation: 25/25 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) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9119 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9249ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 10:02:41] [INFO ] Invariant cache hit.
[2024-06-02 10:02:41] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-06-02 10:02:41] [INFO ] Invariant cache hit.
[2024-06-02 10:02:41] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 324 ms to find 0 implicit places.
[2024-06-02 10:02:41] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 10:02:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4852 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35171ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35175ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35511 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-11 in 155298 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-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 288 rows 30 cols
[2024-06-02 10:03:17] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (587 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (64 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 10:03:17] [INFO ] Invariant cache hit.
[2024-06-02 10:03:17] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 10:03:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:03:17] [INFO ] [Nat]Absence check using state equation in 556 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 7 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 10:03:17] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5049 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25375ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25381ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25389 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 10:03:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49421 resets) in 2942 ms. (339 steps per ms)
BEST_FIRST walk for 1000001 steps (7209 resets) in 705 ms. (1416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 10:03:46] [INFO ] Invariant cache hit.
[2024-06-02 10:03:47] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 10:03:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:03:56] [INFO ] [Nat]Absence check using state equation in 9060 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, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 10:03:56] [INFO ] Invariant cache hit.
[2024-06-02 10:03:56] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-06-02 10:03:56] [INFO ] Invariant cache hit.
[2024-06-02 10:03:56] [INFO ] Implicit Places using invariants and state equation in 362 ms returned []
Implicit Place search using SMT with State Equation took 444 ms to find 0 implicit places.
[2024-06-02 10:03:56] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 10:03:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6154 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36443ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36448ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36910 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1955 resets) in 154 ms. (258 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (292 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1497004 steps, run timeout after 3001 ms. (steps per millisecond=498 ) properties seen :0 out of 1
Probabilistic random walk after 1497004 steps, saw 353540 distinct states, run finished after 3001 ms. (steps per millisecond=498 ) properties seen :0
[2024-06-02 10:04:36] [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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 120/295 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[State Equation: 25/25 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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 120/295 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1091 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1198ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 10:04:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4226 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24421ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24424ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24427 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1977 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1455100 steps, run timeout after 3001 ms. (steps per millisecond=484 ) properties seen :0 out of 1
Probabilistic random walk after 1455100 steps, saw 343865 distinct states, run finished after 3001 ms. (steps per millisecond=484 ) properties seen :0
[2024-06-02 10:05:04] [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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 120/295 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 117 ms.
Refiners :[State Equation: 25/25 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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 120/295 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9124 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9250ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 10:05:14] [INFO ] Invariant cache hit.
[2024-06-02 10:05:14] [INFO ] Implicit Places using invariants in 104 ms returned []
[2024-06-02 10:05:14] [INFO ] Invariant cache hit.
[2024-06-02 10:05:14] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 487 ms to find 0 implicit places.
[2024-06-02 10:05:14] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 10:05:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4690 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34989ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34994ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35495 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-13 in 152572 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-14
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 288 rows 30 cols
[2024-06-02 10:05:49] [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 (596 resets) in 31 ms. (312 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]
[2024-06-02 10:05:49] [INFO ] Invariant cache hit.
[2024-06-02 10:05:49] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 10:05:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:05:50] [INFO ] [Nat]Absence check using state equation in 553 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 7 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 10:05:50] [INFO ] Computed 0 invariants in 2 ms
[2024-06-02 10:05:50] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 9535 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 289 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20012 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 29726ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29729ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29738 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 10:06:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46065 resets) in 2739 ms. (364 steps per ms)
BEST_FIRST walk for 1000001 steps (6065 resets) in 723 ms. (1381 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 10:06:23] [INFO ] Invariant cache hit.
[2024-06-02 10:06:23] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 10:06:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:06:28] [INFO ] [Nat]Absence check using state equation in 4553 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 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 10:06:28] [INFO ] Invariant cache hit.
[2024-06-02 10:06:28] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-06-02 10:06:28] [INFO ] Invariant cache hit.
[2024-06-02 10:06:28] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-02 10:06:28] [INFO ] Implicit Places using invariants and state equation in 299 ms returned []
Implicit Place search using SMT with State Equation took 370 ms to find 0 implicit places.
[2024-06-02 10:06:28] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 10:06:28] [INFO ] Invariant cache hit.
[2024-06-02 10:06:28] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 9668 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 288 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30015 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 39992ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 39998ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40380 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1848 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (244 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1302866 steps, run timeout after 3001 ms. (steps per millisecond=434 ) properties seen :0 out of 1
Probabilistic random walk after 1302866 steps, saw 288844 distinct states, run finished after 3001 ms. (steps per millisecond=434 ) properties seen :0
[2024-06-02 10:07:11] [INFO ] Invariant cache hit.
[2024-06-02 10:07:11] [INFO ] State equation strengthened by 13 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) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 83/298 variables, 11/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 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) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 40 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1085 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1190ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 10:07:13] [INFO ] Invariant cache hit.
[2024-06-02 10:07:13] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8371 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 288 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20047 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28729ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28733ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28738 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1835 resets) in 205 ms. (194 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (241 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1367523 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1367523 steps, saw 302849 distinct states, run finished after 3001 ms. (steps per millisecond=455 ) properties seen :0
[2024-06-02 10:07:44] [INFO ] Invariant cache hit.
[2024-06-02 10:07:44] [INFO ] State equation strengthened by 13 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) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 83/298 variables, 11/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 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) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 40 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9113 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9230ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 10:07:54] [INFO ] Invariant cache hit.
[2024-06-02 10:07:54] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-06-02 10:07:54] [INFO ] Invariant cache hit.
[2024-06-02 10:07:54] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-02 10:07:54] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 449 ms to find 0 implicit places.
[2024-06-02 10:07:54] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 10:07:54] [INFO ] Invariant cache hit.
[2024-06-02 10:07:54] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 7340 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 288 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30053 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 37573ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 37577ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38035 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-14 in 162531 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-15
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 288 rows 30 cols
[2024-06-02 10:08:32] [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 (607 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (58 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 10:08:32] [INFO ] Invariant cache hit.
[2024-06-02 10:08:32] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 10:08:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:08:32] [INFO ] [Nat]Absence check using state equation in 556 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 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 6 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 10:08:32] [INFO ] Computed 0 invariants in 2 ms
[2024-06-02 10:08:32] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8439 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20011 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28682ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28686ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28692 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 10:09:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46377 resets) in 3037 ms. (329 steps per ms)
BEST_FIRST walk for 1000001 steps (6168 resets) in 710 ms. (1406 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 10:09:05] [INFO ] Invariant cache hit.
[2024-06-02 10:09:05] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-06-02 10:09:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 10:09:10] [INFO ] [Nat]Absence check using state equation in 4569 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 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 10:09:10] [INFO ] Invariant cache hit.
[2024-06-02 10:09:10] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 10:09:10] [INFO ] Invariant cache hit.
[2024-06-02 10:09:10] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 10:09:10] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
[2024-06-02 10:09:10] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 10:09:10] [INFO ] Invariant cache hit.
[2024-06-02 10:09:10] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8670 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30013 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38881ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38886ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39249 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1855 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (247 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1408910 steps, run timeout after 3001 ms. (steps per millisecond=469 ) properties seen :0 out of 1
Probabilistic random walk after 1408910 steps, saw 309527 distinct states, run finished after 3001 ms. (steps per millisecond=469 ) properties seen :0
[2024-06-02 10:09:52] [INFO ] Invariant cache hit.
[2024-06-02 10:09:52] [INFO ] State equation strengthened by 9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1087 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1197ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 10:09:53] [INFO ] Invariant cache hit.
[2024-06-02 10:09:53] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 7601 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20018 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 27925ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 27930ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27934 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1864 resets) in 181 ms. (219 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (241 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1228767 steps, run timeout after 3001 ms. (steps per millisecond=409 ) properties seen :0 out of 1
Probabilistic random walk after 1228767 steps, saw 268396 distinct states, run finished after 3001 ms. (steps per millisecond=409 ) properties seen :0
[2024-06-02 10:10:24] [INFO ] Invariant cache hit.
[2024-06-02 10:10:24] [INFO ] State equation strengthened by 9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 140 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 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) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9112 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9268ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 10:10:34] [INFO ] Invariant cache hit.
[2024-06-02 10:10:34] [INFO ] Implicit Places using invariants in 87 ms returned []
[2024-06-02 10:10:34] [INFO ] Invariant cache hit.
[2024-06-02 10:10:34] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 10:10:34] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 507 ms to find 0 implicit places.
[2024-06-02 10:10:34] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 10:10:34] [INFO ] Invariant cache hit.
[2024-06-02 10:10:34] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 9452 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 39668ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 39671ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40189 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-15 in 162154 ms.
[2024-06-02 10:11:14] [INFO ] Flatten gal took : 78 ms
[2024-06-02 10:11:14] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2024-06-02 10:11:14] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 30 places, 288 transitions and 833 arcs took 7 ms.
Total runtime 2416555 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS]
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-00
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-02
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-03
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-04
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-05
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-06
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-08
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-09
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-10
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-11
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-13
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-14
Could not compute solution for formula : DNAwalker-PT-15ringRRLarge-UpperBounds-15
BK_STOP 1717323075151
--------------------
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
mcc2024
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-00
ub formula formula --maxsum=/tmp/2016/ub_0_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-02
ub formula formula --maxsum=/tmp/2016/ub_1_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-03
ub formula formula --maxsum=/tmp/2016/ub_2_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-04
ub formula formula --maxsum=/tmp/2016/ub_3_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-05
ub formula formula --maxsum=/tmp/2016/ub_4_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-06
ub formula formula --maxsum=/tmp/2016/ub_5_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-08
ub formula formula --maxsum=/tmp/2016/ub_6_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-09
ub formula formula --maxsum=/tmp/2016/ub_7_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-10
ub formula formula --maxsum=/tmp/2016/ub_8_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-11
ub formula formula --maxsum=/tmp/2016/ub_9_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-13
ub formula formula --maxsum=/tmp/2016/ub_10_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-14
ub formula formula --maxsum=/tmp/2016/ub_11_
ub formula name DNAwalker-PT-15ringRRLarge-UpperBounds-15
ub formula formula --maxsum=/tmp/2016/ub_12_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc
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-15ringRRLarge"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is DNAwalker-PT-15ringRRLarge, 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 r484-smll-171624276100485"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-15ringRRLarge.tgz
mv DNAwalker-PT-15ringRRLarge 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 '
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 ;