About the Execution of LTSMin+red for DNAwalker-PT-09ringLR
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 635.271 | 2650064.00 | 2734938.00 | 27829.70 | ? ? ? 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-171624276000437.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-09ringLR, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r484-smll-171624276000437
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 14:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Apr 13 14:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Apr 13 14:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 137K Apr 13 14:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 9 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 112K May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-00
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-01
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-02
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-03
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-04
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-05
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-06
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-07
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-08
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-09
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-10
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-11
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-12
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-13
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-14
FORMULA_NAME DNAwalker-PT-09ringLR-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717289063456
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-09ringLR
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-02 00:44:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-02 00:44:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-02 00:44:26] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2024-06-02 00:44:26] [INFO ] Transformed 27 places.
[2024-06-02 00:44:26] [INFO ] Transformed 260 transitions.
[2024-06-02 00:44:26] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 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:[2, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 00:44:26] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2024-06-02 00:44:26] [INFO ] Computed 0 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (805 resets) in 98 ms. (101 steps per ms)
BEST_FIRST walk for 160014 steps (965 resets) in 187 ms. (851 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 00:44:26] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2024-06-02 00:44:26] [INFO ] Invariant cache hit.
[2024-06-02 00:44:27] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-06-02 00:44:27] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:27] [INFO ] [Nat]Absence check using state equation in 586 ms returned unknown
[2024-06-02 00:44:28] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-06-02 00:44:28] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:28] [INFO ] [Nat]Absence check using state equation in 590 ms returned unknown
[2024-06-02 00:44:28] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-06-02 00:44:28] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:29] [INFO ] [Nat]Absence check using state equation in 595 ms returned unknown
[2024-06-02 00:44:29] [INFO ] [Real]Absence check using state equation in 90 ms returned unsat
[2024-06-02 00:44:29] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2024-06-02 00:44:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:30] [INFO ] [Nat]Absence check using state equation in 593 ms returned unknown
[2024-06-02 00:44:30] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-06-02 00:44:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:31] [INFO ] [Nat]Absence check using state equation in 583 ms returned unknown
[2024-06-02 00:44:31] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2024-06-02 00:44:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:31] [INFO ] [Nat]Absence check using state equation in 589 ms returned unknown
[2024-06-02 00:44:31] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 00:44:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:32] [INFO ] [Nat]Absence check using state equation in 563 ms returned unknown
[2024-06-02 00:44:32] [INFO ] [Real]Absence check using state equation in 42 ms returned unsat
[2024-06-02 00:44:32] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-06-02 00:44:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:33] [INFO ] [Nat]Absence check using state equation in 570 ms returned unknown
[2024-06-02 00:44:33] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-06-02 00:44:33] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:34] [INFO ] [Nat]Absence check using state equation in 576 ms returned unknown
[2024-06-02 00:44:34] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-06-02 00:44:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:34] [INFO ] [Nat]Absence check using state equation in 549 ms returned unknown
[2024-06-02 00:44:34] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-06-02 00:44:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:35] [INFO ] [Nat]Absence check using state equation in 576 ms returned unknown
[2024-06-02 00:44:35] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-06-02 00:44:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:36] [INFO ] [Nat]Absence check using state equation in 567 ms returned unknown
[2024-06-02 00:44:36] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-06-02 00:44:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:36] [INFO ] [Nat]Absence check using state equation in 580 ms returned unknown
[2024-06-02 00:44:36] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-06-02 00:44:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:44:37] [INFO ] [Nat]Absence check using state equation in 560 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
FORMULA DNAwalker-PT-09ringLR-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-09ringLR-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 260/260 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 27 transition count 252
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 26 transition count 251
Applied a total of 9 rules in 89 ms. Remains 26 /27 variables (removed 1) and now considering 251/260 (removed 9) transitions.
Running 231 sub problems to find dead transitions.
// Phase 1: matrix 251 rows 26 cols
[2024-06-02 00:44:37] [INFO ] Computed 0 invariants in 6 ms
[2024-06-02 00:44:37] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 59/80 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (OVERLAPS) 5/277 variables, 5/85 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/277 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (OVERLAPS) 0/277 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 85 constraints, problems are : Problem set: 0 solved, 231 unsolved in 13675 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (OVERLAPS) 251/272 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 59/80 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/272 variables, 231/311 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 231 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 316 constraints, problems are : Problem set: 0 solved, 231 unsolved in 20035 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
After SMT, in 34336ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 34374ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34507 ms. Remains : 26/27 places, 251/260 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 00:45:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (83989 resets) in 3944 ms. (253 steps per ms)
BEST_FIRST walk for 14000014 steps (104756 resets) in 10114 ms. (1384 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 00:45:26] [INFO ] Invariant cache hit.
[2024-06-02 00:45:26] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 00:45:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:45:30] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
[2024-06-02 00:45:31] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-06-02 00:45:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:45:35] [INFO ] [Nat]Absence check using state equation in 4563 ms returned unknown
[2024-06-02 00:45:35] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-06-02 00:45:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:45:40] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
[2024-06-02 00:45:40] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 00:45:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:45:45] [INFO ] [Nat]Absence check using state equation in 4564 ms returned unknown
[2024-06-02 00:45:45] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 00:45:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:45:49] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
[2024-06-02 00:45:49] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 00:45:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:45:54] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
[2024-06-02 00:45:54] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-06-02 00:45:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:45:59] [INFO ] [Nat]Absence check using state equation in 4570 ms returned unknown
[2024-06-02 00:45:59] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 00:45:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:03] [INFO ] [Nat]Absence check using state equation in 4576 ms returned unknown
[2024-06-02 00:46:03] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2024-06-02 00:46:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:08] [INFO ] [Nat]Absence check using state equation in 4571 ms returned unknown
[2024-06-02 00:46:08] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 00:46:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:13] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
[2024-06-02 00:46:13] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-06-02 00:46:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:17] [INFO ] [Nat]Absence check using state equation in 4568 ms returned unknown
[2024-06-02 00:46:17] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 00:46:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:22] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
[2024-06-02 00:46:22] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 00:46:22] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:27] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
[2024-06-02 00:46:27] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 00:46:27] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:31] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 14 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 26/26 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 251/251 transitions.
Applied a total of 0 rules in 12 ms. Remains 26 /26 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-06-02 00:46:31] [INFO ] Invariant cache hit.
[2024-06-02 00:46:31] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-02 00:46:31] [INFO ] Invariant cache hit.
[2024-06-02 00:46:32] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-02 00:46:32] [INFO ] Implicit Places using invariants and state equation in 351 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Implicit Place search using SMT with State Equation took 422 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/26 places, 246/251 transitions.
Applied a total of 0 rules in 14 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 450 ms. Remains : 25/26 places, 246/251 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 00:46:32] [INFO ] Computed 0 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (76159 resets) in 3639 ms. (274 steps per ms)
BEST_FIRST walk for 14000014 steps (102043 resets) in 9535 ms. (1468 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 00:46:45] [INFO ] Invariant cache hit.
[2024-06-02 00:46:45] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-06-02 00:46:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:46:54] [INFO ] [Nat]Absence check using state equation in 9075 ms returned unknown
[2024-06-02 00:46:54] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-06-02 00:46:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:47:04] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
[2024-06-02 00:47:04] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-06-02 00:47:04] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:47:13] [INFO ] [Nat]Absence check using state equation in 9043 ms returned unknown
[2024-06-02 00:47:13] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-06-02 00:47:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:47:22] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
[2024-06-02 00:47:22] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-06-02 00:47:22] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:47:31] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
[2024-06-02 00:47:31] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-06-02 00:47:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:47:40] [INFO ] [Nat]Absence check using state equation in 9065 ms returned unknown
[2024-06-02 00:47:40] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 00:47:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:47:49] [INFO ] [Nat]Absence check using state equation in 9046 ms returned unknown
[2024-06-02 00:47:49] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 00:47:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:47:59] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
[2024-06-02 00:47:59] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 00:47:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:48:08] [INFO ] [Nat]Absence check using state equation in 9046 ms returned unknown
[2024-06-02 00:48:08] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-06-02 00:48:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:48:17] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
[2024-06-02 00:48:17] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 00:48:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:48:26] [INFO ] [Nat]Absence check using state equation in 9043 ms returned unknown
[2024-06-02 00:48:26] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-06-02 00:48:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:48:35] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
[2024-06-02 00:48:35] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-06-02 00:48:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:48:44] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
[2024-06-02 00:48:44] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-06-02 00:48:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:48:53] [INFO ] [Nat]Absence check using state equation in 9044 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 8 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 25/25 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-06-02 00:48:53] [INFO ] Invariant cache hit.
[2024-06-02 00:48:53] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-06-02 00:48:53] [INFO ] Invariant cache hit.
[2024-06-02 00:48:54] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-02 00:48:54] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
[2024-06-02 00:48:54] [INFO ] Redundant transitions in 15 ms returned []
Running 226 sub problems to find dead transitions.
[2024-06-02 00:48:54] [INFO ] Invariant cache hit.
[2024-06-02 00:48:54] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (OVERLAPS) 5/271 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 226 unsolved in 15054 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 226/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 5/271 variables, 5/310 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 310 constraints, problems are : Problem set: 0 solved, 226 unsolved in 30013 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 45421ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 45425ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45701 ms. Remains : 25/25 places, 246/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3069 resets) in 1913 ms. (20 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (206 resets) in 197 ms. (202 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (243 resets) in 146 ms. (272 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (253 resets) in 132 ms. (300 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 274 ms. (145 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (257 resets) in 158 ms. (251 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (247 resets) in 129 ms. (307 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (226 resets) in 120 ms. (330 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (204 resets) in 90 ms. (439 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (242 resets) in 164 ms. (242 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (240 resets) in 118 ms. (336 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (205 resets) in 89 ms. (444 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (247 resets) in 97 ms. (408 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (254 resets) in 87 ms. (454 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (246 resets) in 109 ms. (363 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 515272 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 14
Probabilistic random walk after 515272 steps, saw 104668 distinct states, run finished after 3006 ms. (steps per millisecond=171 ) properties seen :0
[2024-06-02 00:49:44] [INFO ] Invariant cache hit.
[2024-06-02 00:49:44] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 23/271 variables, 11/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 14 unsolved in 657 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 85 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5006 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 5678ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 7 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Running 226 sub problems to find dead transitions.
[2024-06-02 00:49:49] [INFO ] Invariant cache hit.
[2024-06-02 00:49:49] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (OVERLAPS) 5/271 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 226 unsolved in 15031 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 226/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 5/271 variables, 5/310 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 310 constraints, problems are : Problem set: 0 solved, 226 unsolved in 20014 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 35240ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 35244ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35252 ms. Remains : 25/25 places, 246/246 transitions.
RANDOM walk for 40000 steps (3060 resets) in 631 ms. (63 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (212 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (250 resets) in 60 ms. (655 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (256 resets) in 57 ms. (689 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (972 resets) in 107 ms. (370 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (262 resets) in 59 ms. (666 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (247 resets) in 60 ms. (655 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (239 resets) in 64 ms. (615 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (206 resets) in 93 ms. (425 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (244 resets) in 71 ms. (555 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (242 resets) in 49 ms. (800 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (208 resets) in 47 ms. (833 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (248 resets) in 54 ms. (727 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (257 resets) in 51 ms. (769 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (246 resets) in 49 ms. (800 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 629264 steps, run timeout after 3001 ms. (steps per millisecond=209 ) properties seen :0 out of 14
Probabilistic random walk after 629264 steps, saw 127077 distinct states, run finished after 3001 ms. (steps per millisecond=209 ) properties seen :0
[2024-06-02 00:50:28] [INFO ] Invariant cache hit.
[2024-06-02 00:50:28] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 23/271 variables, 11/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 14 unsolved in 689 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 234/248 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/248 variables, 59/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/248 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 85 constraints, problems are : Problem set: 0 solved, 14 unsolved in 45007 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 45709ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 7 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 25/25 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-06-02 00:51:14] [INFO ] Invariant cache hit.
[2024-06-02 00:51:14] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-02 00:51:14] [INFO ] Invariant cache hit.
[2024-06-02 00:51:14] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-06-02 00:51:14] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 231 ms to find 0 implicit places.
[2024-06-02 00:51:14] [INFO ] Redundant transitions in 3 ms returned []
Running 226 sub problems to find dead transitions.
[2024-06-02 00:51:14] [INFO ] Invariant cache hit.
[2024-06-02 00:51:14] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (OVERLAPS) 5/271 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 6 (OVERLAPS) 0/271 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 226 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 84 constraints, problems are : Problem set: 0 solved, 226 unsolved in 13090 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (OVERLAPS) 246/266 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 226/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 5/271 variables, 5/310 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 271/271 variables, and 310 constraints, problems are : Problem set: 0 solved, 226 unsolved in 30015 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints]
After SMT, in 43292ms problems are : Problem set: 0 solved, 226 unsolved
Search for dead transitions found 0 dead transitions in 43295ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43540 ms. Remains : 25/25 places, 246/246 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:51:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 10000 steps (752 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (52 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:51:58] [INFO ] Invariant cache hit.
[2024-06-02 00:51:58] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-06-02 00:51:58] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:51:59] [INFO ] [Nat]Absence check using state equation in 1046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 20 transition count 235
Applied a total of 11 rules in 15 ms. Remains 20 /25 variables (removed 5) and now considering 235/246 (removed 11) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 20 cols
[2024-06-02 00:51:59] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4899 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20012 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25205ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25208ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25224 ms. Remains : 20/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 00:52:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (96474 resets) in 2934 ms. (340 steps per ms)
BEST_FIRST walk for 1000001 steps (10652 resets) in 647 ms. (1543 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:52:28] [INFO ] Invariant cache hit.
[2024-06-02 00:52:28] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 00:52:28] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:52:32] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 7 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 20/20 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-06-02 00:52:32] [INFO ] Invariant cache hit.
[2024-06-02 00:52:32] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-02 00:52:32] [INFO ] Invariant cache hit.
[2024-06-02 00:52:33] [INFO ] Implicit Places using invariants and state equation in 229 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 283 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/235 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 292 ms. Remains : 19/20 places, 223/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 00:52:33] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58704 resets) in 2937 ms. (340 steps per ms)
BEST_FIRST walk for 1000001 steps (8211 resets) in 624 ms. (1600 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:52:36] [INFO ] Invariant cache hit.
[2024-06-02 00:52:36] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-06-02 00:52:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:52:45] [INFO ] [Nat]Absence check using state equation in 9039 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 00:52:45] [INFO ] Invariant cache hit.
[2024-06-02 00:52:45] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-02 00:52:45] [INFO ] Invariant cache hit.
[2024-06-02 00:52:46] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 324 ms to find 0 implicit places.
[2024-06-02 00:52:46] [INFO ] Redundant transitions in 3 ms returned []
Running 204 sub problems to find dead transitions.
[2024-06-02 00:52:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 2853 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 223 constraints, problems are : Problem set: 0 solved, 204 unsolved in 30049 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 33052ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 33055ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33391 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2342 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (325 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1882983 steps, run timeout after 3001 ms. (steps per millisecond=627 ) properties seen :0 out of 1
Probabilistic random walk after 1882983 steps, saw 367681 distinct states, run finished after 3004 ms. (steps per millisecond=626 ) properties seen :0
[2024-06-02 00:53:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 70 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1059 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1152ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 204 sub problems to find dead transitions.
[2024-06-02 00:53:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 4484 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 223 constraints, problems are : Problem set: 0 solved, 204 unsolved in 20073 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 24702ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 24705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24709 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2363 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (327 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1700145 steps, run timeout after 3001 ms. (steps per millisecond=566 ) properties seen :0 out of 1
Probabilistic random walk after 1700145 steps, saw 328401 distinct states, run finished after 3004 ms. (steps per millisecond=565 ) properties seen :0
[2024-06-02 00:53:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9064 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9170ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 00:54:00] [INFO ] Invariant cache hit.
[2024-06-02 00:54:00] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-02 00:54:00] [INFO ] Invariant cache hit.
[2024-06-02 00:54:00] [INFO ] Implicit Places using invariants and state equation in 181 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2024-06-02 00:54:00] [INFO ] Redundant transitions in 2 ms returned []
Running 204 sub problems to find dead transitions.
[2024-06-02 00:54:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 4338 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 204 unsolved in 30022 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 34610ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 34613ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34875 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-00 in 157389 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 00:54:35] [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 (767 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10000 steps (66 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:54:35] [INFO ] Invariant cache hit.
[2024-06-02 00:54:35] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-06-02 00:54:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:54:36] [INFO ] [Nat]Absence check using state equation in 1046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 21 transition count 235
Applied a total of 11 rules in 8 ms. Remains 21 /25 variables (removed 4) and now considering 235/246 (removed 11) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-06-02 00:54:36] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 00:54:36] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 31 constraints, problems are : Problem set: 0 solved, 216 unsolved in 7623 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 216/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 247 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20019 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 27824ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 27831ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27845 ms. Remains : 21/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 00:55:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85237 resets) in 3630 ms. (275 steps per ms)
BEST_FIRST walk for 1000001 steps (8484 resets) in 710 ms. (1406 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:55:08] [INFO ] Invariant cache hit.
[2024-06-02 00:55:08] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-06-02 00:55:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:55:13] [INFO ] [Nat]Absence check using state equation in 4541 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 5 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-06-02 00:55:13] [INFO ] Invariant cache hit.
[2024-06-02 00:55:13] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 00:55:13] [INFO ] Invariant cache hit.
[2024-06-02 00:55:13] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 00:55:13] [INFO ] Implicit Places using invariants and state equation in 232 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 312 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 320 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-06-02 00:55:13] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54754 resets) in 2957 ms. (338 steps per ms)
BEST_FIRST walk for 1000001 steps (7312 resets) in 759 ms. (1315 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:55:17] [INFO ] Invariant cache hit.
[2024-06-02 00:55:17] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-06-02 00:55:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:55:22] [INFO ] [Nat]Absence check using state equation in 4561 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 00:55:22] [INFO ] Invariant cache hit.
[2024-06-02 00:55:22] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-02 00:55:22] [INFO ] Invariant cache hit.
[2024-06-02 00:55:22] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 00:55:22] [INFO ] Implicit Places using invariants and state equation in 211 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
[2024-06-02 00:55:22] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 00:55:22] [INFO ] Invariant cache hit.
[2024-06-02 00:55:22] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6645 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30011 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36814ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36817ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37108 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2180 resets) in 214 ms. (186 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1367447 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1367447 steps, saw 263854 distinct states, run finished after 3002 ms. (steps per millisecond=455 ) properties seen :0
[2024-06-02 00:56:02] [INFO ] Invariant cache hit.
[2024-06-02 00:56:02] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 52/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1093 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1207ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-06-02 00:56:03] [INFO ] Invariant cache hit.
[2024-06-02 00:56:03] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6310 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20017 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26478ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26482ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26485 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2194 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (287 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1768273 steps, run timeout after 3001 ms. (steps per millisecond=589 ) properties seen :0 out of 1
Probabilistic random walk after 1768273 steps, saw 337347 distinct states, run finished after 3005 ms. (steps per millisecond=588 ) properties seen :0
[2024-06-02 00:56:33] [INFO ] Invariant cache hit.
[2024-06-02 00:56:33] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 52/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 134 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 169/192 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9091 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9236ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 00:56:42] [INFO ] Invariant cache hit.
[2024-06-02 00:56:42] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-06-02 00:56:42] [INFO ] Invariant cache hit.
[2024-06-02 00:56:42] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 00:56:43] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
[2024-06-02 00:56:43] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 00:56:43] [INFO ] Invariant cache hit.
[2024-06-02 00:56:43] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6093 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30011 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36367ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36371ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36711 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-01 in 163976 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 00:57:19] [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 (763 resets) in 37 ms. (263 steps per ms)
BEST_FIRST walk for 10001 steps (62 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:57:19] [INFO ] Invariant cache hit.
[2024-06-02 00:57:19] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 00:57:19] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:57:20] [INFO ] [Nat]Absence check using state equation in 1055 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Graph (complete) has 239 edges and 25 vertex of which 24 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 24 transition count 228
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 19 transition count 223
Applied a total of 24 rules in 20 ms. Remains 19 /25 variables (removed 6) and now considering 223/246 (removed 23) transitions.
Running 205 sub problems to find dead transitions.
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 00:57:20] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4530 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20021 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24717ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24720ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24740 ms. Remains : 19/25 places, 223/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 00:57:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58871 resets) in 2963 ms. (337 steps per ms)
BEST_FIRST walk for 1000001 steps (8513 resets) in 766 ms. (1303 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:57:49] [INFO ] Invariant cache hit.
[2024-06-02 00:57:49] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 00:57:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:57:58] [INFO ] [Nat]Absence check using state equation in 9063 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 00:57:58] [INFO ] Invariant cache hit.
[2024-06-02 00:57:58] [INFO ] Implicit Places using invariants in 37 ms returned []
[2024-06-02 00:57:58] [INFO ] Invariant cache hit.
[2024-06-02 00:57:58] [INFO ] Implicit Places using invariants and state equation in 183 ms returned []
Implicit Place search using SMT with State Equation took 241 ms to find 0 implicit places.
[2024-06-02 00:57:58] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 00:57:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4377 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30058 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34590ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34593ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34845 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2352 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (337 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1740090 steps, run timeout after 3001 ms. (steps per millisecond=579 ) properties seen :0 out of 1
Probabilistic random walk after 1740090 steps, saw 351789 distinct states, run finished after 3004 ms. (steps per millisecond=579 ) properties seen :0
[2024-06-02 00:58:36] [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) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1078 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1156ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-06-02 00:58:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4427 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24610ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24613ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24616 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2347 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (334 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1752949 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1752949 steps, saw 354940 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
[2024-06-02 00:59:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9069 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9171ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 00:59:14] [INFO ] Invariant cache hit.
[2024-06-02 00:59:14] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-02 00:59:14] [INFO ] Invariant cache hit.
[2024-06-02 00:59:14] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 239 ms to find 0 implicit places.
[2024-06-02 00:59:14] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 00:59:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4488 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30020 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34657ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34659ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34909 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-02 in 149910 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 00:59:49] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (765 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (243 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 00:59:49] [INFO ] Invariant cache hit.
[2024-06-02 00:59:49] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 00:59:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 00:59:50] [INFO ] [Nat]Absence check using state equation in 1062 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 10 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-06-02 00:59:50] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 2918 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20068 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 23268ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 23273ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23285 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:00:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92249 resets) in 3637 ms. (274 steps per ms)
BEST_FIRST walk for 1000001 steps (47619 resets) in 685 ms. (1457 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:00:18] [INFO ] Invariant cache hit.
[2024-06-02 01:00:18] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 01:00:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:00:22] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-06-02 01:00:22] [INFO ] Invariant cache hit.
[2024-06-02 01:00:23] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-06-02 01:00:23] [INFO ] Invariant cache hit.
[2024-06-02 01:00:23] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 246 ms to find 0 implicit places.
[2024-06-02 01:00:23] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-06-02 01:00:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4342 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30048 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 34593ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 34595ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34852 ms. Remains : 20/20 places, 234/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3704 resets) in 325 ms. (122 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1556181 steps, run timeout after 3001 ms. (steps per millisecond=518 ) properties seen :0 out of 1
Probabilistic random walk after 1556181 steps, saw 305332 distinct states, run finished after 3004 ms. (steps per millisecond=518 ) properties seen :0
[2024-06-02 01:01:01] [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) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1075 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1172ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Running 215 sub problems to find dead transitions.
[2024-06-02 01:01:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3355 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20011 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 23633ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 23637ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23642 ms. Remains : 20/20 places, 234/234 transitions.
RANDOM walk for 40000 steps (3710 resets) in 190 ms. (209 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1345758 steps, run timeout after 3001 ms. (steps per millisecond=448 ) properties seen :0 out of 1
Probabilistic random walk after 1345758 steps, saw 264039 distinct states, run finished after 3001 ms. (steps per millisecond=448 ) properties seen :0
[2024-06-02 01:01:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/217 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/254 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 204/217 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/217 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9113 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9267ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-06-02 01:01:38] [INFO ] Invariant cache hit.
[2024-06-02 01:01:38] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-02 01:01:38] [INFO ] Invariant cache hit.
[2024-06-02 01:01:38] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
[2024-06-02 01:01:38] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-06-02 01:01:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4921 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30025 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 35129ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 35131ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35417 ms. Remains : 20/20 places, 234/234 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-04 in 144323 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:02:13] [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 (768 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (64 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:02:13] [INFO ] Invariant cache hit.
[2024-06-02 01:02:13] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 01:02:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:02:14] [INFO ] [Nat]Absence check using state equation in 1049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 7 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-06-02 01:02:14] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4821 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20053 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25051ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25053ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25061 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:02:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92588 resets) in 3415 ms. (292 steps per ms)
BEST_FIRST walk for 1000001 steps (10206 resets) in 659 ms. (1515 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:02:44] [INFO ] Invariant cache hit.
[2024-06-02 01:02:44] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 01:02:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:02:48] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-06-02 01:02:48] [INFO ] Invariant cache hit.
[2024-06-02 01:02:48] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-06-02 01:02:48] [INFO ] Invariant cache hit.
[2024-06-02 01:02:49] [INFO ] Implicit Places using invariants and state equation in 281 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 341 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 347 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 01:02:49] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58991 resets) in 3033 ms. (329 steps per ms)
BEST_FIRST walk for 1000001 steps (8507 resets) in 678 ms. (1472 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:02:52] [INFO ] Invariant cache hit.
[2024-06-02 01:02:52] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-06-02 01:02:52] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:03:02] [INFO ] [Nat]Absence check using state equation in 9041 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:03:02] [INFO ] Invariant cache hit.
[2024-06-02 01:03:02] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-02 01:03:02] [INFO ] Invariant cache hit.
[2024-06-02 01:03:02] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
[2024-06-02 01:03:02] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:03:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3807 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30047 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34090ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34094ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34329 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2348 resets) in 169 ms. (235 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (329 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1485244 steps, run timeout after 3001 ms. (steps per millisecond=494 ) properties seen :0 out of 1
Probabilistic random walk after 1485244 steps, saw 298844 distinct states, run finished after 3001 ms. (steps per millisecond=494 ) properties seen :0
[2024-06-02 01:03:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1103 ms.
Refiners :[State Equation: 19/19 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 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 5 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-06-02 01:03:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3161 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20042 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23352ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23355ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23361 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2353 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (337 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1529690 steps, run timeout after 3001 ms. (steps per millisecond=509 ) properties seen :0 out of 1
Probabilistic random walk after 1529690 steps, saw 308409 distinct states, run finished after 3001 ms. (steps per millisecond=509 ) properties seen :0
[2024-06-02 01:04:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9090 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9212ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:04:16] [INFO ] Invariant cache hit.
[2024-06-02 01:04:16] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-06-02 01:04:16] [INFO ] Invariant cache hit.
[2024-06-02 01:04:16] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 272 ms to find 0 implicit places.
[2024-06-02 01:04:16] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:04:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3452 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30009 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33727ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33731ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34018 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-05 in 156817 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:04:50] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (753 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:04:50] [INFO ] Invariant cache hit.
[2024-06-02 01:04:50] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 01:04:50] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:04:51] [INFO ] [Nat]Absence check using state equation in 1046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 21 transition count 235
Applied a total of 11 rules in 10 ms. Remains 21 /25 variables (removed 4) and now considering 235/246 (removed 11) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-06-02 01:04:51] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 01:04:51] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (OVERLAPS) 1/256 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (OVERLAPS) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 31 constraints, problems are : Problem set: 0 solved, 216 unsolved in 7743 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 10/30 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/255 variables, 216/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/255 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (OVERLAPS) 1/256 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/256 variables, and 247 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20011 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 27936ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 27939ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27949 ms. Remains : 21/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:05:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (84992 resets) in 2944 ms. (339 steps per ms)
BEST_FIRST walk for 1000001 steps (8412 resets) in 644 ms. (1550 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:05:23] [INFO ] Invariant cache hit.
[2024-06-02 01:05:23] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 01:05:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:05:27] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 4 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-06-02 01:05:27] [INFO ] Invariant cache hit.
[2024-06-02 01:05:28] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-06-02 01:05:28] [INFO ] Invariant cache hit.
[2024-06-02 01:05:28] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 01:05:28] [INFO ] Implicit Places using invariants and state equation in 265 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 333 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/235 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 340 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-06-02 01:05:28] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54794 resets) in 2926 ms. (341 steps per ms)
BEST_FIRST walk for 1000000 steps (7284 resets) in 778 ms. (1283 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:05:32] [INFO ] Invariant cache hit.
[2024-06-02 01:05:32] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 01:05:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:05:36] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:05:36] [INFO ] Invariant cache hit.
[2024-06-02 01:05:36] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-06-02 01:05:36] [INFO ] Invariant cache hit.
[2024-06-02 01:05:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 01:05:37] [INFO ] Implicit Places using invariants and state equation in 205 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
[2024-06-02 01:05:37] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:05:37] [INFO ] Invariant cache hit.
[2024-06-02 01:05:37] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6204 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30015 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36385ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36387ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36681 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2190 resets) in 202 ms. (197 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (290 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1571867 steps, run timeout after 3001 ms. (steps per millisecond=523 ) properties seen :0 out of 1
Probabilistic random walk after 1571867 steps, saw 301138 distinct states, run finished after 3001 ms. (steps per millisecond=523 ) properties seen :0
[2024-06-02 01:06:16] [INFO ] Invariant cache hit.
[2024-06-02 01:06:16] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1099 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-06-02 01:06:17] [INFO ] Invariant cache hit.
[2024-06-02 01:06:17] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6627 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20014 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26807ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26809ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26813 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2196 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (291 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1677641 steps, run timeout after 3001 ms. (steps per millisecond=559 ) properties seen :0 out of 1
Probabilistic random walk after 1677641 steps, saw 320239 distinct states, run finished after 3003 ms. (steps per millisecond=558 ) properties seen :0
[2024-06-02 01:06:47] [INFO ] Invariant cache hit.
[2024-06-02 01:06:47] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9101 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9229ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:06:57] [INFO ] Invariant cache hit.
[2024-06-02 01:06:57] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-06-02 01:06:57] [INFO ] Invariant cache hit.
[2024-06-02 01:06:57] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 01:06:57] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 353 ms to find 0 implicit places.
[2024-06-02 01:06:57] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:06:57] [INFO ] Invariant cache hit.
[2024-06-02 01:06:57] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6076 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30015 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36325ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36328ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36694 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-06 in 163263 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:07:33] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (766 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (59 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:07:33] [INFO ] Invariant cache hit.
[2024-06-02 01:07:33] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 01:07:33] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:07:34] [INFO ] [Nat]Absence check using state equation in 1073 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 21 transition count 236
Applied a total of 10 rules in 5 ms. Remains 21 /25 variables (removed 4) and now considering 236/246 (removed 10) transitions.
Running 217 sub problems to find dead transitions.
// Phase 1: matrix 236 rows 21 cols
[2024-06-02 01:07:34] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 01:07:34] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 1/257 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/257 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (OVERLAPS) 0/257 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 257/257 variables, and 32 constraints, problems are : Problem set: 0 solved, 217 unsolved in 7885 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 217/248 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 1/257 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 217 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 257/257 variables, and 249 constraints, problems are : Problem set: 0 solved, 217 unsolved in 20019 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
After SMT, in 28080ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 28083ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28089 ms. Remains : 21/25 places, 236/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:08:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (86449 resets) in 3290 ms. (303 steps per ms)
BEST_FIRST walk for 1000001 steps (8693 resets) in 794 ms. (1257 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:08:07] [INFO ] Invariant cache hit.
[2024-06-02 01:08:07] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-06-02 01:08:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:08:11] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 21/21 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-06-02 01:08:11] [INFO ] Invariant cache hit.
[2024-06-02 01:08:12] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-06-02 01:08:12] [INFO ] Invariant cache hit.
[2024-06-02 01:08:12] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-02 01:08:12] [INFO ] Implicit Places using invariants and state equation in 277 ms returned [16]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 343 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 348 ms. Remains : 20/21 places, 224/236 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-06-02 01:08:12] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54719 resets) in 2702 ms. (369 steps per ms)
BEST_FIRST walk for 1000001 steps (7265 resets) in 614 ms. (1626 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:08:15] [INFO ] Invariant cache hit.
[2024-06-02 01:08:15] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-06-02 01:08:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:08:20] [INFO ] [Nat]Absence check using state equation in 4539 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:08:20] [INFO ] Invariant cache hit.
[2024-06-02 01:08:20] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-02 01:08:20] [INFO ] Invariant cache hit.
[2024-06-02 01:08:20] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-02 01:08:20] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 273 ms to find 0 implicit places.
[2024-06-02 01:08:20] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:08:20] [INFO ] Invariant cache hit.
[2024-06-02 01:08:20] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7500 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30017 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37730ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37732ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38015 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2203 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (285 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1653446 steps, run timeout after 3001 ms. (steps per millisecond=550 ) properties seen :0 out of 1
Probabilistic random walk after 1653446 steps, saw 320555 distinct states, run finished after 3004 ms. (steps per millisecond=550 ) properties seen :0
[2024-06-02 01:09:01] [INFO ] Invariant cache hit.
[2024-06-02 01:09:01] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1079 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-06-02 01:09:02] [INFO ] Invariant cache hit.
[2024-06-02 01:09:02] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7432 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20026 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27751ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27754ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27758 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2184 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (297 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1689062 steps, run timeout after 3001 ms. (steps per millisecond=562 ) properties seen :0 out of 1
Probabilistic random walk after 1689062 steps, saw 326479 distinct states, run finished after 3001 ms. (steps per millisecond=562 ) properties seen :0
[2024-06-02 01:09:33] [INFO ] Invariant cache hit.
[2024-06-02 01:09:33] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 43/244 variables, 7/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 176/201 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9087 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9205ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:09:42] [INFO ] Invariant cache hit.
[2024-06-02 01:09:42] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-02 01:09:42] [INFO ] Invariant cache hit.
[2024-06-02 01:09:43] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-02 01:09:43] [INFO ] Implicit Places using invariants and state equation in 348 ms returned []
Implicit Place search using SMT with State Equation took 419 ms to find 0 implicit places.
[2024-06-02 01:09:43] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:09:43] [INFO ] Invariant cache hit.
[2024-06-02 01:09:43] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5532 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 11/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 237 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30015 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 35801ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 35805ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36234 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-07 in 165404 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:10:19] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (752 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (51 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:10:19] [INFO ] Invariant cache hit.
[2024-06-02 01:10:19] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 01:10:19] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:10:20] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 21 transition count 236
Applied a total of 10 rules in 5 ms. Remains 21 /25 variables (removed 4) and now considering 236/246 (removed 10) transitions.
Running 217 sub problems to find dead transitions.
// Phase 1: matrix 236 rows 21 cols
[2024-06-02 01:10:20] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 01:10:20] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 18/38 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (OVERLAPS) 1/257 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/257 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (OVERLAPS) 0/257 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 257/257 variables, and 39 constraints, problems are : Problem set: 0 solved, 217 unsolved in 6358 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 236/256 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 18/38 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 217/255 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 1/257 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 217 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 257/257 variables, and 256 constraints, problems are : Problem set: 0 solved, 217 unsolved in 20009 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
After SMT, in 26569ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 26572ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26577 ms. Remains : 21/25 places, 236/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:10:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (87450 resets) in 3334 ms. (299 steps per ms)
BEST_FIRST walk for 1000001 steps (8365 resets) in 628 ms. (1589 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:10:51] [INFO ] Invariant cache hit.
[2024-06-02 01:10:51] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-06-02 01:10:51] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:10:55] [INFO ] [Nat]Absence check using state equation in 4541 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 21/21 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-06-02 01:10:55] [INFO ] Invariant cache hit.
[2024-06-02 01:10:55] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-06-02 01:10:55] [INFO ] Invariant cache hit.
[2024-06-02 01:10:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-06-02 01:10:56] [INFO ] Implicit Places using invariants and state equation in 317 ms returned [16]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 391 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/21 places, 224/236 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 397 ms. Remains : 20/21 places, 224/236 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-06-02 01:10:56] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54004 resets) in 3044 ms. (328 steps per ms)
BEST_FIRST walk for 1000001 steps (7077 resets) in 622 ms. (1605 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:10:59] [INFO ] Invariant cache hit.
[2024-06-02 01:10:59] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 01:10:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:11:04] [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 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:11:04] [INFO ] Invariant cache hit.
[2024-06-02 01:11:04] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-06-02 01:11:04] [INFO ] Invariant cache hit.
[2024-06-02 01:11:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-06-02 01:11:04] [INFO ] Implicit Places using invariants and state equation in 250 ms returned []
Implicit Place search using SMT with State Equation took 302 ms to find 0 implicit places.
[2024-06-02 01:11:04] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:11:04] [INFO ] Invariant cache hit.
[2024-06-02 01:11:04] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6030 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36206ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36209ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36518 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2160 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (278 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1677451 steps, run timeout after 3001 ms. (steps per millisecond=558 ) properties seen :0 out of 1
Probabilistic random walk after 1677451 steps, saw 330957 distinct states, run finished after 3005 ms. (steps per millisecond=558 ) properties seen :0
[2024-06-02 01:11:44] [INFO ] Invariant cache hit.
[2024-06-02 01:11:44] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 205/244 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 136 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1104 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1253ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-06-02 01:11:45] [INFO ] Invariant cache hit.
[2024-06-02 01:11:45] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6682 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20009 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26861ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26863ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26866 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2157 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (284 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1649187 steps, run timeout after 3001 ms. (steps per millisecond=549 ) properties seen :0 out of 1
Probabilistic random walk after 1649187 steps, saw 326333 distinct states, run finished after 3001 ms. (steps per millisecond=549 ) properties seen :0
[2024-06-02 01:12:15] [INFO ] Invariant cache hit.
[2024-06-02 01:12:15] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 205/244 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9064 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9193ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:12:24] [INFO ] Invariant cache hit.
[2024-06-02 01:12:24] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-06-02 01:12:24] [INFO ] Invariant cache hit.
[2024-06-02 01:12:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-06-02 01:12:24] [INFO ] Implicit Places using invariants and state equation in 273 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
[2024-06-02 01:12:24] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:12:24] [INFO ] Invariant cache hit.
[2024-06-02 01:12:24] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7928 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38176ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38179ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38571 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-09 in 164005 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:13:03] [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 (742 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (62 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:13:03] [INFO ] Invariant cache hit.
[2024-06-02 01:13:03] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 01:13:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:13:04] [INFO ] [Nat]Absence check using state equation in 1077 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Graph (complete) has 239 edges and 25 vertex of which 24 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 24 transition count 228
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 23 place count 20 transition count 224
Applied a total of 23 rules in 5 ms. Remains 20 /25 variables (removed 5) and now considering 224/246 (removed 22) transitions.
Running 206 sub problems to find dead transitions.
// Phase 1: matrix 224 rows 20 cols
[2024-06-02 01:13:04] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 01:13:04] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 6085 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20010 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 26258ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 26260ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26265 ms. Remains : 20/25 places, 224/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:13:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54729 resets) in 2581 ms. (387 steps per ms)
BEST_FIRST walk for 1000001 steps (7309 resets) in 625 ms. (1597 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:13:33] [INFO ] Invariant cache hit.
[2024-06-02 01:13:33] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-06-02 01:13:33] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:13:38] [INFO ] [Nat]Absence check using state equation in 4543 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:13:38] [INFO ] Invariant cache hit.
[2024-06-02 01:13:38] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-06-02 01:13:38] [INFO ] Invariant cache hit.
[2024-06-02 01:13:38] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 01:13:38] [INFO ] Implicit Places using invariants and state equation in 208 ms returned []
Implicit Place search using SMT with State Equation took 268 ms to find 0 implicit places.
[2024-06-02 01:13:38] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:13:38] [INFO ] Invariant cache hit.
[2024-06-02 01:13:38] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5209 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30016 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 35478ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 35481ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35759 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2187 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (293 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1790457 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :0 out of 1
Probabilistic random walk after 1790457 steps, saw 344189 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :0
[2024-06-02 01:14:17] [INFO ] Invariant cache hit.
[2024-06-02 01:14:17] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1090 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1186ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-06-02 01:14:18] [INFO ] Invariant cache hit.
[2024-06-02 01:14:18] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7351 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20011 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27614ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27618ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27622 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2198 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (295 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1830302 steps, run timeout after 3001 ms. (steps per millisecond=609 ) properties seen :0 out of 1
Probabilistic random walk after 1830302 steps, saw 353389 distinct states, run finished after 3001 ms. (steps per millisecond=609 ) properties seen :0
[2024-06-02 01:14:49] [INFO ] Invariant cache hit.
[2024-06-02 01:14:49] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/244 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/23 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 167/190 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9071 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9157ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-06-02 01:14:58] [INFO ] Invariant cache hit.
[2024-06-02 01:14:58] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-06-02 01:14:58] [INFO ] Invariant cache hit.
[2024-06-02 01:14:58] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-02 01:14:58] [INFO ] Implicit Places using invariants and state equation in 286 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
[2024-06-02 01:14:58] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-06-02 01:14:58] [INFO ] Invariant cache hit.
[2024-06-02 01:14:58] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 30 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5574 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30024 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 35745ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 35748ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36107 ms. Remains : 20/20 places, 224/224 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-10 in 151470 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:15:34] [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 (760 resets) in 47 ms. (208 steps per ms)
BEST_FIRST walk for 10001 steps (60 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:15:34] [INFO ] Invariant cache hit.
[2024-06-02 01:15:34] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 01:15:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:15:35] [INFO ] [Nat]Absence check using state equation in 1048 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Graph (complete) has 239 edges and 25 vertex of which 24 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 24 transition count 228
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 24 place count 19 transition count 223
Applied a total of 24 rules in 8 ms. Remains 19 /25 variables (removed 6) and now considering 223/246 (removed 23) transitions.
Running 205 sub problems to find dead transitions.
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 01:15:35] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4219 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20015 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24395ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24398ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24407 ms. Remains : 19/25 places, 223/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:16:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58838 resets) in 2580 ms. (387 steps per ms)
BEST_FIRST walk for 1000001 steps (8353 resets) in 638 ms. (1564 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:16:03] [INFO ] Invariant cache hit.
[2024-06-02 01:16:03] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-06-02 01:16:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:16:12] [INFO ] [Nat]Absence check using state equation in 9039 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:16:12] [INFO ] Invariant cache hit.
[2024-06-02 01:16:12] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-02 01:16:12] [INFO ] Invariant cache hit.
[2024-06-02 01:16:12] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2024-06-02 01:16:12] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:16:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3225 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30011 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33494ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33498ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33758 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2346 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (338 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1684858 steps, run timeout after 3001 ms. (steps per millisecond=561 ) properties seen :0 out of 1
Probabilistic random walk after 1684858 steps, saw 338136 distinct states, run finished after 3001 ms. (steps per millisecond=561 ) properties seen :0
[2024-06-02 01:16:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1068 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1158ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-06-02 01:16:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3910 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20022 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24095ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24098ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24100 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2351 resets) in 210 ms. (189 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (326 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1657022 steps, run timeout after 3001 ms. (steps per millisecond=552 ) properties seen :0 out of 1
Probabilistic random walk after 1657022 steps, saw 332667 distinct states, run finished after 3001 ms. (steps per millisecond=552 ) properties seen :0
[2024-06-02 01:17:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9068 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:17:27] [INFO ] Invariant cache hit.
[2024-06-02 01:17:27] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-06-02 01:17:27] [INFO ] Invariant cache hit.
[2024-06-02 01:17:27] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 249 ms to find 0 implicit places.
[2024-06-02 01:17:27] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:17:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 2958 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30023 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33194ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33198ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33457 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-11 in 145956 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:18:00] [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 (785 resets) in 48 ms. (204 steps per ms)
BEST_FIRST walk for 10001 steps (51 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:18:00] [INFO ] Invariant cache hit.
[2024-06-02 01:18:00] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-06-02 01:18:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:18:01] [INFO ] [Nat]Absence check using state equation in 1063 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 25 transition count 240
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 11 place count 20 transition count 235
Applied a total of 11 rules in 8 ms. Remains 20 /25 variables (removed 5) and now considering 235/246 (removed 11) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 20 cols
[2024-06-02 01:18:01] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (OVERLAPS) 0/255 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 216 unsolved in 4682 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 255/255 variables, and 20 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20011 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 24963ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 24967ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24976 ms. Remains : 20/25 places, 235/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:18:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (94776 resets) in 3126 ms. (319 steps per ms)
BEST_FIRST walk for 1000000 steps (10042 resets) in 653 ms. (1529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:18:30] [INFO ] Invariant cache hit.
[2024-06-02 01:18:30] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-06-02 01:18:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:18:35] [INFO ] [Nat]Absence check using state equation in 4541 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 235/235 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-06-02 01:18:35] [INFO ] Invariant cache hit.
[2024-06-02 01:18:35] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-06-02 01:18:35] [INFO ] Invariant cache hit.
[2024-06-02 01:18:35] [INFO ] Implicit Places using invariants and state equation in 210 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Implicit Place search using SMT with State Equation took 271 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/235 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 274 ms. Remains : 19/20 places, 223/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 01:18:35] [INFO ] Computed 0 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58188 resets) in 2819 ms. (354 steps per ms)
BEST_FIRST walk for 1000001 steps (8172 resets) in 761 ms. (1312 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:18:39] [INFO ] Invariant cache hit.
[2024-06-02 01:18:39] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-06-02 01:18:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:18:48] [INFO ] [Nat]Absence check using state equation in 9038 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:18:48] [INFO ] Invariant cache hit.
[2024-06-02 01:18:48] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-06-02 01:18:48] [INFO ] Invariant cache hit.
[2024-06-02 01:18:48] [INFO ] Implicit Places using invariants and state equation in 177 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
[2024-06-02 01:18:48] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:18:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4391 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30014 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34554ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34557ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34786 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2331 resets) in 245 ms. (162 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (321 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1520145 steps, run timeout after 3001 ms. (steps per millisecond=506 ) properties seen :0 out of 1
Probabilistic random walk after 1520145 steps, saw 307659 distinct states, run finished after 3001 ms. (steps per millisecond=506 ) properties seen :0
[2024-06-02 01:19:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1059 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1166ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-06-02 01:19:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4846 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 25124ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 25127ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25131 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2321 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (322 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1686833 steps, run timeout after 3001 ms. (steps per millisecond=562 ) properties seen :0 out of 1
Probabilistic random walk after 1686833 steps, saw 338289 distinct states, run finished after 3001 ms. (steps per millisecond=562 ) properties seen :0
[2024-06-02 01:19:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 204/242 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9080 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9182ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:20:04] [INFO ] Invariant cache hit.
[2024-06-02 01:20:05] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-06-02 01:20:05] [INFO ] Invariant cache hit.
[2024-06-02 01:20:05] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
[2024-06-02 01:20:05] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:20:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3262 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30019 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33532ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33535ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33806 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-12 in 158221 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:20:38] [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 (762 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:20:38] [INFO ] Invariant cache hit.
[2024-06-02 01:20:38] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-06-02 01:20:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:20:40] [INFO ] [Nat]Absence check using state equation in 1085 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 4 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-06-02 01:20:40] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 3804 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 235 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20045 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24019ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24021ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24026 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:21:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92486 resets) in 3021 ms. (330 steps per ms)
BEST_FIRST walk for 1000001 steps (10165 resets) in 661 ms. (1510 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:21:07] [INFO ] Invariant cache hit.
[2024-06-02 01:21:07] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-06-02 01:21:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:21:12] [INFO ] [Nat]Absence check using state equation in 4544 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 5 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-06-02 01:21:12] [INFO ] Invariant cache hit.
[2024-06-02 01:21:12] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-06-02 01:21:12] [INFO ] Invariant cache hit.
[2024-06-02 01:21:12] [INFO ] Implicit Places using invariants and state equation in 203 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 268 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 271 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 01:21:12] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58746 resets) in 3029 ms. (330 steps per ms)
BEST_FIRST walk for 1000001 steps (8398 resets) in 652 ms. (1531 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:21:16] [INFO ] Invariant cache hit.
[2024-06-02 01:21:16] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-06-02 01:21:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:21:25] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 5 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:21:25] [INFO ] Invariant cache hit.
[2024-06-02 01:21:25] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-06-02 01:21:25] [INFO ] Invariant cache hit.
[2024-06-02 01:21:25] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2024-06-02 01:21:25] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:21:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3839 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30009 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34002ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34004ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34257 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2342 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (337 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1695358 steps, run timeout after 3001 ms. (steps per millisecond=564 ) properties seen :0 out of 1
Probabilistic random walk after 1695358 steps, saw 339843 distinct states, run finished after 3001 ms. (steps per millisecond=564 ) properties seen :0
[2024-06-02 01:22:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1131 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1239ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-06-02 01:22:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3824 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20015 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23988ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23992ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23995 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2348 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (333 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1730021 steps, run timeout after 3001 ms. (steps per millisecond=576 ) properties seen :0 out of 1
Probabilistic random walk after 1730021 steps, saw 348263 distinct states, run finished after 3001 ms. (steps per millisecond=576 ) properties seen :0
[2024-06-02 01:22:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/242 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9098 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9211ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:22:40] [INFO ] Invariant cache hit.
[2024-06-02 01:22:40] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-02 01:22:40] [INFO ] Invariant cache hit.
[2024-06-02 01:22:40] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2024-06-02 01:22:40] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:22:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4656 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30014 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34925ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34929ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35167 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-13 in 157010 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:23:15] [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 (751 resets) in 49 ms. (200 steps per ms)
BEST_FIRST walk for 10001 steps (63 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:23:15] [INFO ] Invariant cache hit.
[2024-06-02 01:23:15] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 01:23:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:23:17] [INFO ] [Nat]Absence check using state equation in 1079 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 9 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-06-02 01:23:17] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4923 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20020 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25215ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25218ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25228 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:23:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92628 resets) in 3174 ms. (314 steps per ms)
BEST_FIRST walk for 1000001 steps (10215 resets) in 816 ms. (1223 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:23:46] [INFO ] Invariant cache hit.
[2024-06-02 01:23:46] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 01:23:46] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:23:51] [INFO ] [Nat]Absence check using state equation in 4570 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-06-02 01:23:51] [INFO ] Invariant cache hit.
[2024-06-02 01:23:51] [INFO ] Implicit Places using invariants in 77 ms returned []
[2024-06-02 01:23:51] [INFO ] Invariant cache hit.
[2024-06-02 01:23:51] [INFO ] Implicit Places using invariants and state equation in 279 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 359 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 363 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 01:23:51] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58993 resets) in 2975 ms. (336 steps per ms)
BEST_FIRST walk for 1000001 steps (8447 resets) in 732 ms. (1364 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:23:55] [INFO ] Invariant cache hit.
[2024-06-02 01:23:55] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 01:23:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:24:04] [INFO ] [Nat]Absence check using state equation in 9064 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:24:04] [INFO ] Invariant cache hit.
[2024-06-02 01:24:04] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 01:24:04] [INFO ] Invariant cache hit.
[2024-06-02 01:24:04] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 241 ms to find 0 implicit places.
[2024-06-02 01:24:04] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:24:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4543 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30056 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34770ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34773ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35028 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2356 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (339 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1594434 steps, run timeout after 3001 ms. (steps per millisecond=531 ) properties seen :0 out of 1
Probabilistic random walk after 1594434 steps, saw 320632 distinct states, run finished after 3002 ms. (steps per millisecond=531 ) properties seen :0
[2024-06-02 01:24:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1087 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1182ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-06-02 01:24:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4022 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24296ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24299ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24304 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2357 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (336 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1722074 steps, run timeout after 3001 ms. (steps per millisecond=573 ) properties seen :0 out of 1
Probabilistic random walk after 1722074 steps, saw 346160 distinct states, run finished after 3001 ms. (steps per millisecond=573 ) properties seen :0
[2024-06-02 01:25:11] [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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/192 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9099 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9187ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:25:20] [INFO ] Invariant cache hit.
[2024-06-02 01:25:20] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-06-02 01:25:20] [INFO ] Invariant cache hit.
[2024-06-02 01:25:20] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2024-06-02 01:25:20] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:25:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4333 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30063 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34560ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34563ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34800 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-14 in 159418 ms.
Starting property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 246 rows 25 cols
[2024-06-02 01:25:55] [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 (756 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:25:55] [INFO ] Invariant cache hit.
[2024-06-02 01:25:55] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-06-02 01:25:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:25:56] [INFO ] [Nat]Absence check using state equation in 1068 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 246/246 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 25 transition count 239
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 12 place count 20 transition count 234
Applied a total of 12 rules in 5 ms. Remains 20 /25 variables (removed 5) and now considering 234/246 (removed 12) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-06-02 01:25:56] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 234/254 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 0/254 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 4316 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 20010 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24528ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24531ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24537 ms. Remains : 20/25 places, 234/246 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 01:26:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92649 resets) in 3766 ms. (265 steps per ms)
BEST_FIRST walk for 1000001 steps (10000 resets) in 655 ms. (1524 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:26:25] [INFO ] Invariant cache hit.
[2024-06-02 01:26:25] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-06-02 01:26:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:26:30] [INFO ] [Nat]Absence check using state equation in 4540 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-06-02 01:26:30] [INFO ] Invariant cache hit.
[2024-06-02 01:26:30] [INFO ] Implicit Places using invariants in 79 ms returned []
[2024-06-02 01:26:30] [INFO ] Invariant cache hit.
[2024-06-02 01:26:30] [INFO ] Implicit Places using invariants and state equation in 190 ms returned [15]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 290 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 297 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-06-02 01:26:30] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58802 resets) in 2818 ms. (354 steps per ms)
BEST_FIRST walk for 1000001 steps (8408 resets) in 630 ms. (1584 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 01:26:34] [INFO ] Invariant cache hit.
[2024-06-02 01:26:34] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-06-02 01:26:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 01:26:43] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:26:43] [INFO ] Invariant cache hit.
[2024-06-02 01:26:43] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-06-02 01:26:43] [INFO ] Invariant cache hit.
[2024-06-02 01:26:43] [INFO ] Implicit Places using invariants and state equation in 183 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
[2024-06-02 01:26:43] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:26:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3940 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30011 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34107ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34109ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34368 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2350 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (336 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1744896 steps, run timeout after 3001 ms. (steps per millisecond=581 ) properties seen :0 out of 1
Probabilistic random walk after 1744896 steps, saw 352198 distinct states, run finished after 3004 ms. (steps per millisecond=580 ) properties seen :0
[2024-06-02 01:27:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/242 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1074 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1165ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-06-02 01:27:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3492 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23649ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23653ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23656 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2365 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (335 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1700725 steps, run timeout after 3001 ms. (steps per millisecond=566 ) properties seen :0 out of 1
Probabilistic random walk after 1700725 steps, saw 341514 distinct states, run finished after 3004 ms. (steps per millisecond=566 ) properties seen :0
[2024-06-02 01:27:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/242 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9099 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9221ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-06-02 01:27:57] [INFO ] Invariant cache hit.
[2024-06-02 01:27:57] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 01:27:57] [INFO ] Invariant cache hit.
[2024-06-02 01:27:58] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 265 ms to find 0 implicit places.
[2024-06-02 01:27:58] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-06-02 01:27:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4081 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30013 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34354ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34358ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34634 ms. Remains : 19/19 places, 223/223 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-09ringLR-UpperBounds-15 in 157286 ms.
[2024-06-02 01:28:32] [INFO ] Flatten gal took : 101 ms
[2024-06-02 01:28:32] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/UpperBounds.sr.xml took 7 ms.
[2024-06-02 01:28:32] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 25 places, 246 transitions and 719 arcs took 14 ms.
Total runtime 2646818 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-09ringLR-UpperBounds-00
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-01
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-02
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-04
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-05
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-06
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-07
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-09
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-10
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-11
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-12
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-13
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-14
Could not compute solution for formula : DNAwalker-PT-09ringLR-UpperBounds-15
BK_STOP 1717291713520
--------------------
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-09ringLR-UpperBounds-00
ub formula formula --maxsum=/tmp/2324/ub_0_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-01
ub formula formula --maxsum=/tmp/2324/ub_1_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-02
ub formula formula --maxsum=/tmp/2324/ub_2_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-04
ub formula formula --maxsum=/tmp/2324/ub_3_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-05
ub formula formula --maxsum=/tmp/2324/ub_4_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-06
ub formula formula --maxsum=/tmp/2324/ub_5_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-07
ub formula formula --maxsum=/tmp/2324/ub_6_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-09
ub formula formula --maxsum=/tmp/2324/ub_7_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-10
ub formula formula --maxsum=/tmp/2324/ub_8_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-11
ub formula formula --maxsum=/tmp/2324/ub_9_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-12
ub formula formula --maxsum=/tmp/2324/ub_10_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-13
ub formula formula --maxsum=/tmp/2324/ub_11_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-14
ub formula formula --maxsum=/tmp/2324/ub_12_
ub formula name DNAwalker-PT-09ringLR-UpperBounds-15
ub formula formula --maxsum=/tmp/2324/ub_13_
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-09ringLR"
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-09ringLR, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r484-smll-171624276000437"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-09ringLR.tgz
mv DNAwalker-PT-09ringLR execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
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 ;