About the Execution of GreatSPN+red for DNAwalker-PT-11ringRR
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 542.264 | 1952425.00 | 2007029.00 | 6323.30 | 1 2 2 2 1 1 2 2 1 2 2 1 2 2 2 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.r113-smll-171624275000453.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is DNAwalker-PT-11ringRR, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-171624275000453
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 7.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K 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 3.6K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 13:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Apr 13 13:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 13 13:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K Apr 13 13:54 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-11ringRR-UpperBounds-00
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-01
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-02
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-03
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-04
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-05
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-06
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-07
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-08
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-09
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-10
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-11
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-12
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-13
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-14
FORMULA_NAME DNAwalker-PT-11ringRR-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1716510510938
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-11ringRR
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-24 00:28:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-24 00:28:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 00:28:33] [INFO ] Load time of PNML (sax parser for PT used): 157 ms
[2024-05-24 00:28:33] [INFO ] Transformed 27 places.
[2024-05-24 00:28:33] [INFO ] Transformed 260 transitions.
[2024-05-24 00:28:33] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 402 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 150 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 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:[1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-24 00:28:34] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2024-05-24 00:28:34] [INFO ] Computed 0 invariants in 32 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 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 (803 resets) in 100 ms. (99 steps per ms)
BEST_FIRST walk for 160014 steps (1001 resets) in 355 ms. (449 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-24 00:28:34] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2024-05-24 00:28:34] [INFO ] Invariant cache hit.
[2024-05-24 00:28:34] [INFO ] [Real]Absence check using state equation in 175 ms returned unsat
[2024-05-24 00:28:35] [INFO ] [Real]Absence check using state equation in 125 ms returned sat
[2024-05-24 00:28:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:35] [INFO ] [Nat]Absence check using state equation in 625 ms returned unknown
[2024-05-24 00:28:36] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2024-05-24 00:28:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:36] [INFO ] [Nat]Absence check using state equation in 606 ms returned unknown
[2024-05-24 00:28:36] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2024-05-24 00:28:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:37] [INFO ] [Nat]Absence check using state equation in 576 ms returned unknown
[2024-05-24 00:28:37] [INFO ] [Real]Absence check using state equation in 106 ms returned unsat
[2024-05-24 00:28:37] [INFO ] [Real]Absence check using state equation in 86 ms returned unsat
[2024-05-24 00:28:37] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2024-05-24 00:28:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:38] [INFO ] [Nat]Absence check using state equation in 574 ms returned unknown
[2024-05-24 00:28:38] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-24 00:28:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:39] [INFO ] [Nat]Absence check using state equation in 563 ms returned unknown
[2024-05-24 00:28:39] [INFO ] [Real]Absence check using state equation in 79 ms returned unsat
[2024-05-24 00:28:39] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-05-24 00:28:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:39] [INFO ] [Nat]Absence check using state equation in 574 ms returned unknown
[2024-05-24 00:28:40] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2024-05-24 00:28:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:40] [INFO ] [Nat]Absence check using state equation in 586 ms returned unknown
[2024-05-24 00:28:40] [INFO ] [Real]Absence check using state equation in 79 ms returned unsat
[2024-05-24 00:28:40] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-24 00:28:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:41] [INFO ] [Nat]Absence check using state equation in 569 ms returned unknown
[2024-05-24 00:28:41] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2024-05-24 00:28:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:42] [INFO ] [Nat]Absence check using state equation in 576 ms returned unknown
[2024-05-24 00:28:42] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 00:28:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:28:42] [INFO ] [Nat]Absence check using state equation in 569 ms returned unknown
[2024-05-24 00:28:43] [INFO ] [Real]Absence check using state equation in 70 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1] Max Struct:[1, +inf, +inf, +inf, 1, 1, +inf, +inf, 1, +inf, +inf, 1, +inf, +inf, +inf, 1]
FORMULA DNAwalker-PT-11ringRR-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-11ringRR-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-11ringRR-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-11ringRR-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-11ringRR-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-11ringRR-UpperBounds-00 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 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 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 25 transition count 250
Applied a total of 10 rules in 93 ms. Remains 25 /27 variables (removed 2) and now considering 250/260 (removed 10) transitions.
Running 230 sub problems to find dead transitions.
// Phase 1: matrix 250 rows 25 cols
[2024-05-24 00:28:43] [INFO ] Computed 0 invariants in 12 ms
[2024-05-24 00:28:43] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (OVERLAPS) 250/271 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 48/69 constraints. Problems are: Problem set: 0 solved, 230 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (OVERLAPS) 4/275 variables, 4/73 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/275 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 6 (OVERLAPS) 0/275 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 230 unsolved
No progress, stopping.
After SMT solving in domain Real declared 275/275 variables, and 73 constraints, problems are : Problem set: 0 solved, 230 unsolved in 10059 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 230 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 1 (OVERLAPS) 250/271 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 48/69 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/271 variables, 230/299 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 230 unsolved
At refinement iteration 5 (OVERLAPS) 4/275 variables, 4/303 constraints. Problems are: Problem set: 0 solved, 230 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 275/275 variables, and 303 constraints, problems are : Problem set: 0 solved, 230 unsolved in 20027 ms.
Refiners :[State Equation: 25/25 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 230/230 constraints, Known Traps: 0/0 constraints]
After SMT, in 30758ms problems are : Problem set: 0 solved, 230 unsolved
Search for dead transitions found 0 dead transitions in 30799ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30931 ms. Remains : 25/27 places, 250/260 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:29:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (90831 resets) in 3869 ms. (258 steps per ms)
BEST_FIRST walk for 10000009 steps (91010 resets) in 8088 ms. (1236 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-24 00:29:26] [INFO ] Invariant cache hit.
[2024-05-24 00:29:26] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-24 00:29:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:29:35] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
[2024-05-24 00:29:35] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 00:29:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:29:44] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
[2024-05-24 00:29:44] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-24 00:29:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:29:53] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
[2024-05-24 00:29:53] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-24 00:29:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:30:02] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
[2024-05-24 00:30:02] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-24 00:30:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:30:11] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
[2024-05-24 00:30:11] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-24 00:30:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:30:20] [INFO ] [Nat]Absence check using state equation in 9046 ms returned unknown
[2024-05-24 00:30:21] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-24 00:30:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:30:30] [INFO ] [Nat]Absence check using state equation in 9042 ms returned unknown
[2024-05-24 00:30:30] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-24 00:30:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:30:39] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
[2024-05-24 00:30:39] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-24 00:30:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:30:48] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
[2024-05-24 00:30:48] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-24 00:30:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:30:57] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 250/250 transitions.
Applied a total of 0 rules in 13 ms. Remains 25 /25 variables (removed 0) and now considering 250/250 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 25/25 places, 250/250 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 250/250 transitions.
Applied a total of 0 rules in 8 ms. Remains 25 /25 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2024-05-24 00:30:57] [INFO ] Invariant cache hit.
[2024-05-24 00:30:57] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-24 00:30:57] [INFO ] Invariant cache hit.
[2024-05-24 00:30:57] [INFO ] State equation strengthened by 48 read => feed constraints.
[2024-05-24 00:30:57] [INFO ] Implicit Places using invariants and state equation in 383 ms returned [18]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Implicit Place search using SMT with State Equation took 445 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 24/25 places, 243/250 transitions.
Applied a total of 0 rules in 12 ms. Remains 24 /24 variables (removed 0) and now considering 243/243 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 466 ms. Remains : 24/25 places, 243/250 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 243 rows 24 cols
[2024-05-24 00:30:58] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (78080 resets) in 3371 ms. (296 steps per ms)
BEST_FIRST walk for 10000010 steps (90088 resets) in 7641 ms. (1308 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-24 00:31:09] [INFO ] Invariant cache hit.
[2024-05-24 00:31:09] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-24 00:31:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:13] [INFO ] [Nat]Absence check using state equation in 4569 ms returned unknown
[2024-05-24 00:31:13] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-24 00:31:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:18] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
[2024-05-24 00:31:18] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-24 00:31:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:23] [INFO ] [Nat]Absence check using state equation in 4545 ms returned unknown
[2024-05-24 00:31:23] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-24 00:31:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:27] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
[2024-05-24 00:31:27] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-24 00:31:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:32] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
[2024-05-24 00:31:32] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-24 00:31:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:37] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
[2024-05-24 00:31:37] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-24 00:31:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:41] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
[2024-05-24 00:31:41] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-24 00:31:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:46] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
[2024-05-24 00:31:46] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-24 00:31:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:50] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
[2024-05-24 00:31:51] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-24 00:31:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:31:55] [INFO ] [Nat]Absence check using state equation in 4546 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Applied a total of 0 rules in 5 ms. Remains 24 /24 variables (removed 0) and now considering 243/243 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 24/24 places, 243/243 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Applied a total of 0 rules in 4 ms. Remains 24 /24 variables (removed 0) and now considering 243/243 (removed 0) transitions.
[2024-05-24 00:31:55] [INFO ] Invariant cache hit.
[2024-05-24 00:31:55] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-24 00:31:55] [INFO ] Invariant cache hit.
[2024-05-24 00:31:55] [INFO ] State equation strengthened by 48 read => feed constraints.
[2024-05-24 00:31:55] [INFO ] Implicit Places using invariants and state equation in 251 ms returned []
Implicit Place search using SMT with State Equation took 291 ms to find 0 implicit places.
[2024-05-24 00:31:55] [INFO ] Redundant transitions in 13 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-24 00:31:55] [INFO ] Invariant cache hit.
[2024-05-24 00:31:55] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (OVERLAPS) 243/263 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 48/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/263 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (OVERLAPS) 4/267 variables, 4/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 72 constraints, problems are : Problem set: 0 solved, 224 unsolved in 10635 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (OVERLAPS) 243/263 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 48/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/263 variables, 224/292 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/263 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 4/267 variables, 4/296 constraints. Problems are: Problem set: 0 solved, 224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 296 constraints, problems are : Problem set: 0 solved, 224 unsolved in 30012 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 40914ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 40918ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41235 ms. Remains : 24/24 places, 243/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3124 resets) in 1669 ms. (23 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (273 resets) in 221 ms. (180 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (262 resets) in 210 ms. (189 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (266 resets) in 126 ms. (314 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (268 resets) in 116 ms. (341 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (258 resets) in 95 ms. (416 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1176 resets) in 121 ms. (327 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (228 resets) in 76 ms. (519 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (264 resets) in 76 ms. (519 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (274 resets) in 88 ms. (449 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (292 resets) in 85 ms. (465 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 468671 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :0 out of 10
Probabilistic random walk after 468671 steps, saw 86911 distinct states, run finished after 3006 ms. (steps per millisecond=155 ) properties seen :0
[2024-05-24 00:32:40] [INFO ] Invariant cache hit.
[2024-05-24 00:32:40] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 177/187 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 48/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 80/267 variables, 14/72 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 72 constraints, problems are : Problem set: 0 solved, 10 unsolved in 363 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 177/187 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 48/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/187 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 73 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5006 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 1/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 5383ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Applied a total of 0 rules in 5 ms. Remains 24 /24 variables (removed 0) and now considering 243/243 (removed 0) transitions.
Running 224 sub problems to find dead transitions.
[2024-05-24 00:32:46] [INFO ] Invariant cache hit.
[2024-05-24 00:32:46] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (OVERLAPS) 243/263 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 48/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/263 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (OVERLAPS) 4/267 variables, 4/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 72 constraints, problems are : Problem set: 0 solved, 224 unsolved in 12393 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (OVERLAPS) 243/263 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 48/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/263 variables, 224/292 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/263 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 4/267 variables, 4/296 constraints. Problems are: Problem set: 0 solved, 224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 296 constraints, problems are : Problem set: 0 solved, 224 unsolved in 20016 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 32610ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 32614ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32620 ms. Remains : 24/24 places, 243/243 transitions.
RANDOM walk for 40000 steps (3127 resets) in 274 ms. (145 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (276 resets) in 56 ms. (701 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (272 resets) in 51 ms. (769 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (270 resets) in 63 ms. (625 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (273 resets) in 65 ms. (606 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (266 resets) in 97 ms. (408 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1176 resets) in 159 ms. (250 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (226 resets) in 81 ms. (487 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (272 resets) in 82 ms. (481 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (283 resets) in 90 ms. (439 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (288 resets) in 87 ms. (454 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 515022 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 10
Probabilistic random walk after 515022 steps, saw 95342 distinct states, run finished after 3001 ms. (steps per millisecond=171 ) properties seen :0
[2024-05-24 00:33:22] [INFO ] Invariant cache hit.
[2024-05-24 00:33:22] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 177/187 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 48/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 80/267 variables, 14/72 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 72 constraints, problems are : Problem set: 0 solved, 10 unsolved in 434 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 177/187 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 48/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/187 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/187 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 73 constraints, problems are : Problem set: 0 solved, 10 unsolved in 45007 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 1/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 45452ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Applied a total of 0 rules in 12 ms. Remains 24 /24 variables (removed 0) and now considering 243/243 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 24/24 places, 243/243 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Applied a total of 0 rules in 7 ms. Remains 24 /24 variables (removed 0) and now considering 243/243 (removed 0) transitions.
[2024-05-24 00:34:07] [INFO ] Invariant cache hit.
[2024-05-24 00:34:07] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-05-24 00:34:07] [INFO ] Invariant cache hit.
[2024-05-24 00:34:08] [INFO ] State equation strengthened by 48 read => feed constraints.
[2024-05-24 00:34:08] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
[2024-05-24 00:34:08] [INFO ] Redundant transitions in 12 ms returned []
Running 224 sub problems to find dead transitions.
[2024-05-24 00:34:08] [INFO ] Invariant cache hit.
[2024-05-24 00:34:08] [INFO ] State equation strengthened by 48 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (OVERLAPS) 243/263 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 48/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/263 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (OVERLAPS) 4/267 variables, 4/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 224 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 72 constraints, problems are : Problem set: 0 solved, 224 unsolved in 10113 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (OVERLAPS) 243/263 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 48/68 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/263 variables, 224/292 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/263 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 4/267 variables, 4/296 constraints. Problems are: Problem set: 0 solved, 224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 267/267 variables, and 296 constraints, problems are : Problem set: 0 solved, 224 unsolved in 30014 ms.
Refiners :[State Equation: 24/24 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 40294ms problems are : Problem set: 0 solved, 224 unsolved
Search for dead transitions found 0 dead transitions in 40297ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40614 ms. Remains : 24/24 places, 243/243 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-11ringRR-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
[2024-05-24 00:34:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (785 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (68 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:34:48] [INFO ] Invariant cache hit.
[2024-05-24 00:34:48] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-24 00:34:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:34:49] [INFO ] [Nat]Absence check using state equation in 546 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 24 transition count 239
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 20 transition count 235
Applied a total of 8 rules in 11 ms. Remains 20 /24 variables (removed 4) and now considering 235/243 (removed 8) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 20 cols
[2024-05-24 00:34:49] [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, 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 4614 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
At refinement iteration 1 (OVERLAPS) 235/255 variables, 20/20 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 236 constraints, problems are : Problem set: 0 solved, 216 unsolved in 20053 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 24854ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 24857ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24869 ms. Remains : 20/24 places, 235/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:35:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (94929 resets) in 3645 ms. (274 steps per ms)
BEST_FIRST walk for 1000001 steps (10457 resets) in 650 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:35:18] [INFO ] Invariant cache hit.
[2024-05-24 00:35:18] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-24 00:35:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:35:23] [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, 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 7 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 7 ms. Remains 20 /20 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-24 00:35:23] [INFO ] Invariant cache hit.
[2024-05-24 00:35:23] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-24 00:35:23] [INFO ] Invariant cache hit.
[2024-05-24 00:35:23] [INFO ] Implicit Places using invariants and state equation in 323 ms returned [6]
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 400 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 6 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 413 ms. Remains : 19/20 places, 223/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-24 00:35:23] [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 (58863 resets) in 2871 ms. (348 steps per ms)
BEST_FIRST walk for 1000001 steps (8443 resets) in 633 ms. (1577 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:35:27] [INFO ] Invariant cache hit.
[2024-05-24 00:35:27] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-24 00:35:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:35:36] [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 8 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 8 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 7 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 00:35:36] [INFO ] Invariant cache hit.
[2024-05-24 00:35:36] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-24 00:35:36] [INFO ] Invariant cache hit.
[2024-05-24 00:35:36] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
[2024-05-24 00:35:36] [INFO ] Redundant transitions in 3 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:35:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4755 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 34996ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34999ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35253 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 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (330 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1735091 steps, run timeout after 3001 ms. (steps per millisecond=578 ) properties seen :0 out of 1
Probabilistic random walk after 1735091 steps, saw 350644 distinct states, run finished after 3001 ms. (steps per millisecond=578 ) properties seen :0
[2024-05-24 00:36:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 175/199 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/199 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/242 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 109 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 1102 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1215ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-24 00:36:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4388 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 20049 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24593ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24595ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24600 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2361 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (328 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1704267 steps, run timeout after 3001 ms. (steps per millisecond=567 ) properties seen :0 out of 1
Probabilistic random walk after 1704267 steps, saw 343012 distinct states, run finished after 3001 ms. (steps per millisecond=567 ) properties seen :0
[2024-05-24 00:36:43] [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 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) 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 9098 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9219ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 00:36:52] [INFO ] Invariant cache hit.
[2024-05-24 00:36:52] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-24 00:36:52] [INFO ] Invariant cache hit.
[2024-05-24 00:36:53] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 237 ms to find 0 implicit places.
[2024-05-24 00:36:53] [INFO ] Redundant transitions in 3 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:36:53] [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 4458 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 30068 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34685ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34688ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34936 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-11ringRR-UpperBounds-01 in 159204 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-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 243 rows 24 cols
[2024-05-24 00:37:27] [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 (767 resets) in 50 ms. (196 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:37:27] [INFO ] Invariant cache hit.
[2024-05-24 00:37:27] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-05-24 00:37:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:37:28] [INFO ] [Nat]Absence check using state equation in 574 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 24 transition count 238
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 20 transition count 234
Applied a total of 9 rules in 13 ms. Remains 20 /24 variables (removed 4) and now considering 234/243 (removed 9) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-24 00:37:28] [INFO ] Computed 0 invariants in 5 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 4051 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 20012 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 24369ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 24377ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24390 ms. Remains : 20/24 places, 234/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:37:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92605 resets) in 3904 ms. (256 steps per ms)
BEST_FIRST walk for 1000001 steps (10161 resets) in 659 ms. (1515 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:37:57] [INFO ] Invariant cache hit.
[2024-05-24 00:37:57] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-24 00:37:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:38:02] [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 4 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-24 00:38:02] [INFO ] Invariant cache hit.
[2024-05-24 00:38:02] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-24 00:38:02] [INFO ] Invariant cache hit.
[2024-05-24 00:38:02] [INFO ] Implicit Places using invariants and state equation in 200 ms returned [6]
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 256 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 263 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-24 00:38:02] [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 (58709 resets) in 3049 ms. (327 steps per ms)
BEST_FIRST walk for 1000000 steps (8341 resets) in 645 ms. (1547 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:38:06] [INFO ] Invariant cache hit.
[2024-05-24 00:38:06] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-24 00:38:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:38:15] [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.
[2024-05-24 00:38:15] [INFO ] Invariant cache hit.
[2024-05-24 00:38:15] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-24 00:38:15] [INFO ] Invariant cache hit.
[2024-05-24 00:38:15] [INFO ] Implicit Places using invariants and state equation in 181 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
[2024-05-24 00:38:15] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:38:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4678 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 34933ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34939ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35172 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2339 resets) in 215 ms. (185 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (326 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1452136 steps, run timeout after 3001 ms. (steps per millisecond=483 ) properties seen :0 out of 1
Probabilistic random walk after 1452136 steps, saw 294057 distinct states, run finished after 3001 ms. (steps per millisecond=483 ) properties seen :0
[2024-05-24 00:38:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 75 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 25/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 186/212 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1071 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1159ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-24 00:38:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4399 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 24563ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24565ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24569 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2346 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (330 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1553542 steps, run timeout after 3001 ms. (steps per millisecond=517 ) properties seen :0 out of 1
Probabilistic random walk after 1553542 steps, saw 314566 distinct states, run finished after 3001 ms. (steps per millisecond=517 ) properties seen :0
[2024-05-24 00:39:22] [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) 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 75 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 9069 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9148ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 00:39:31] [INFO ] Invariant cache hit.
[2024-05-24 00:39:31] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-24 00:39:31] [INFO ] Invariant cache hit.
[2024-05-24 00:39:31] [INFO ] Implicit Places using invariants and state equation in 183 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2024-05-24 00:39:31] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:39:31] [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 4633 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30012 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34802ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34806ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35047 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-11ringRR-UpperBounds-02 in 159028 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 243 rows 24 cols
[2024-05-24 00:40:06] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (771 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]
[2024-05-24 00:40:06] [INFO ] Invariant cache hit.
[2024-05-24 00:40:06] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-24 00:40:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:40:07] [INFO ] [Nat]Absence check using state equation in 547 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Graph (complete) has 238 edges and 24 vertex of which 23 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 23 transition count 227
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 20 transition count 224
Applied a total of 20 rules in 26 ms. Remains 20 /24 variables (removed 4) and now considering 224/243 (removed 19) transitions.
Running 206 sub problems to find dead transitions.
// Phase 1: matrix 224 rows 20 cols
[2024-05-24 00:40:07] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 00:40:07] [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 7291 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 20012 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27543ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27551ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27578 ms. Remains : 20/24 places, 224/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:40:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54745 resets) in 2664 ms. (375 steps per ms)
BEST_FIRST walk for 1000000 steps (7272 resets) in 630 ms. (1584 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:40:38] [INFO ] Invariant cache hit.
[2024-05-24 00:40:38] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-24 00:40:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:40:43] [INFO ] [Nat]Absence check using state equation in 4539 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-24 00:40:43] [INFO ] Invariant cache hit.
[2024-05-24 00:40:43] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-24 00:40:43] [INFO ] Invariant cache hit.
[2024-05-24 00:40:43] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-24 00:40:43] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 274 ms to find 0 implicit places.
[2024-05-24 00:40:43] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:40:43] [INFO ] Invariant cache hit.
[2024-05-24 00:40:43] [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 6962 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30010 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37151ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37153ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37436 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 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (287 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1680060 steps, run timeout after 3001 ms. (steps per millisecond=559 ) properties seen :0 out of 1
Probabilistic random walk after 1680060 steps, saw 321882 distinct states, run finished after 3001 ms. (steps per millisecond=559 ) properties seen :0
[2024-05-24 00:41:23] [INFO ] Invariant cache hit.
[2024-05-24 00:41:23] [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 1074 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1159ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-24 00:41:24] [INFO ] Invariant cache hit.
[2024-05-24 00:41:24] [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 5022 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 20012 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 25184ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 25187ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25190 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2194 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (286 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1799486 steps, run timeout after 3001 ms. (steps per millisecond=599 ) properties seen :0 out of 1
Probabilistic random walk after 1799486 steps, saw 343280 distinct states, run finished after 3001 ms. (steps per millisecond=599 ) properties seen :0
[2024-05-24 00:41:52] [INFO ] Invariant cache hit.
[2024-05-24 00:41:52] [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 85 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 9078 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 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 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-24 00:42:02] [INFO ] Invariant cache hit.
[2024-05-24 00:42:02] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-24 00:42:02] [INFO ] Invariant cache hit.
[2024-05-24 00:42:02] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-24 00:42:02] [INFO ] Implicit Places using invariants and state equation in 331 ms returned []
Implicit Place search using SMT with State Equation took 403 ms to find 0 implicit places.
[2024-05-24 00:42:02] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:42:02] [INFO ] Invariant cache hit.
[2024-05-24 00:42:02] [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 7847 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 30014 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38106ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38111ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38526 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-11ringRR-UpperBounds-03 in 153947 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-UpperBounds-06
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 243 rows 24 cols
[2024-05-24 00:42:40] [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 (797 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (67 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:42:40] [INFO ] Invariant cache hit.
[2024-05-24 00:42:40] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-24 00:42:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:42:41] [INFO ] [Nat]Absence check using state equation in 546 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Graph (complete) has 238 edges and 24 vertex of which 23 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 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 23 transition count 227
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 21 place count 19 transition count 223
Applied a total of 21 rules in 11 ms. Remains 19 /24 variables (removed 5) and now considering 223/243 (removed 20) transitions.
Running 205 sub problems to find dead transitions.
// Phase 1: matrix 223 rows 19 cols
[2024-05-24 00:42:41] [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 4379 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 20008 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 24639ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24643ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24655 ms. Remains : 19/24 places, 223/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:43:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (58762 resets) in 3153 ms. (317 steps per ms)
BEST_FIRST walk for 1000001 steps (8382 resets) in 827 ms. (1207 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:43:10] [INFO ] Invariant cache hit.
[2024-05-24 00:43:10] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-24 00:43:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:43:19] [INFO ] [Nat]Absence check using state equation in 9067 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.
[2024-05-24 00:43:19] [INFO ] Invariant cache hit.
[2024-05-24 00:43:19] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-24 00:43:19] [INFO ] Invariant cache hit.
[2024-05-24 00:43:19] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-24 00:43:19] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:43:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 4738 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 34898ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34901ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35134 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 40004 steps (341 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1485953 steps, run timeout after 3001 ms. (steps per millisecond=495 ) properties seen :0 out of 1
Probabilistic random walk after 1485953 steps, saw 299533 distinct states, run finished after 3001 ms. (steps per millisecond=495 ) properties seen :0
[2024-05-24 00:43:57] [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 75 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 1074 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 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 205 sub problems to find dead transitions.
[2024-05-24 00:43:58] [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 4624 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 24871ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 24876ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24880 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2364 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (334 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1770961 steps, run timeout after 3001 ms. (steps per millisecond=590 ) properties seen :0 out of 1
Probabilistic random walk after 1770961 steps, saw 357592 distinct states, run finished after 3001 ms. (steps per millisecond=590 ) properties seen :0
[2024-05-24 00:44:26] [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) 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 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) 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 9110 ms.
Refiners :[State Equation: 19/19 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 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 12 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 00:44:35] [INFO ] Invariant cache hit.
[2024-05-24 00:44:35] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-24 00:44:35] [INFO ] Invariant cache hit.
[2024-05-24 00:44:36] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-24 00:44:36] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:44:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 3173 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30045 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 33365ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33367ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33612 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-11ringRR-UpperBounds-06 in 148731 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-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 243 rows 24 cols
[2024-05-24 00:45:09] [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 (793 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (64 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:45:09] [INFO ] Invariant cache hit.
[2024-05-24 00:45:09] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-24 00:45:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:45:10] [INFO ] [Nat]Absence check using state equation in 544 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 24 transition count 238
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 8 place count 21 transition count 235
Applied a total of 8 rules in 9 ms. Remains 21 /24 variables (removed 3) and now considering 235/243 (removed 8) transitions.
Running 216 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 21 cols
[2024-05-24 00:45:10] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 00:45:10] [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 8202 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 20014 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints]
After SMT, in 28490ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 28495ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28505 ms. Remains : 21/24 places, 235/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:45:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85086 resets) in 3315 ms. (301 steps per ms)
BEST_FIRST walk for 1000001 steps (8507 resets) in 742 ms. (1345 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:45:42] [INFO ] Invariant cache hit.
[2024-05-24 00:45:42] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-24 00:45:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:45:47] [INFO ] [Nat]Absence check using state equation in 4549 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 9 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 9 ms. Remains : 21/21 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 235/235 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2024-05-24 00:45:47] [INFO ] Invariant cache hit.
[2024-05-24 00:45:47] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-24 00:45:47] [INFO ] Invariant cache hit.
[2024-05-24 00:45:47] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-24 00:45:47] [INFO ] Implicit Places using invariants and state equation in 226 ms returned [6]
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 297 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 6 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 305 ms. Remains : 20/21 places, 224/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-24 00:45:47] [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 (54737 resets) in 3150 ms. (317 steps per ms)
BEST_FIRST walk for 1000001 steps (7310 resets) in 838 ms. (1191 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:45:51] [INFO ] Invariant cache hit.
[2024-05-24 00:45:51] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-24 00:45:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:45:56] [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, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-24 00:45:56] [INFO ] Invariant cache hit.
[2024-05-24 00:45:56] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-24 00:45:56] [INFO ] Invariant cache hit.
[2024-05-24 00:45:56] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-24 00:45:56] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 274 ms to find 0 implicit places.
[2024-05-24 00:45:56] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:45:56] [INFO ] Invariant cache hit.
[2024-05-24 00:45:56] [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 7446 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 37719ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37723ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38008 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 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (295 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1752938 steps, run timeout after 3001 ms. (steps per millisecond=584 ) properties seen :0 out of 1
Probabilistic random walk after 1752938 steps, saw 337660 distinct states, run finished after 3001 ms. (steps per millisecond=584 ) properties seen :0
[2024-05-24 00:46:37] [INFO ] Invariant cache hit.
[2024-05-24 00:46:37] [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 1073 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1158ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-24 00:46:38] [INFO ] Invariant cache hit.
[2024-05-24 00:46:38] [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 7299 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 20015 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27464ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27467ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27470 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2189 resets) in 198 ms. (201 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (287 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1562025 steps, run timeout after 3001 ms. (steps per millisecond=520 ) properties seen :0 out of 1
Probabilistic random walk after 1562025 steps, saw 305261 distinct states, run finished after 3001 ms. (steps per millisecond=520 ) properties seen :0
[2024-05-24 00:47:09] [INFO ] Invariant cache hit.
[2024-05-24 00:47:09] [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 83 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 9073 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9161ms 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.
[2024-05-24 00:47:18] [INFO ] Invariant cache hit.
[2024-05-24 00:47:18] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-24 00:47:18] [INFO ] Invariant cache hit.
[2024-05-24 00:47:18] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-24 00:47:18] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2024-05-24 00:47:18] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:47:18] [INFO ] Invariant cache hit.
[2024-05-24 00:47:18] [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 7045 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30010 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37327ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37331ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37600 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-11ringRR-UpperBounds-07 in 166633 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 243 rows 24 cols
[2024-05-24 00:47:56] [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 (775 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (294 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:47:56] [INFO ] Invariant cache hit.
[2024-05-24 00:47:56] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-24 00:47:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:47:56] [INFO ] [Nat]Absence check using state equation in 574 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 24 transition count 238
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 20 transition count 234
Applied a total of 9 rules in 4 ms. Remains 20 /24 variables (removed 4) and now considering 234/243 (removed 9) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-24 00:47:56] [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 5007 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 20013 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25185ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25194 ms. Remains : 20/24 places, 234/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:48:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92592 resets) in 3231 ms. (309 steps per ms)
BEST_FIRST walk for 1000001 steps (47619 resets) in 524 ms. (1904 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:48:25] [INFO ] Invariant cache hit.
[2024-05-24 00:48:25] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-24 00:48:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:48:30] [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, 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.
[2024-05-24 00:48:30] [INFO ] Invariant cache hit.
[2024-05-24 00:48:30] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-24 00:48:30] [INFO ] Invariant cache hit.
[2024-05-24 00:48:30] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 262 ms to find 0 implicit places.
[2024-05-24 00:48:30] [INFO ] Redundant transitions in 1 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-24 00:48:30] [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 4523 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 30047 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 34740ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 34744ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35013 ms. Remains : 20/20 places, 234/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3736 resets) in 161 ms. (246 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 1478424 steps, run timeout after 3001 ms. (steps per millisecond=492 ) properties seen :0 out of 1
Probabilistic random walk after 1478424 steps, saw 283668 distinct states, run finished after 3001 ms. (steps per millisecond=492 ) properties seen :0
[2024-05-24 00:49:08] [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 92 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 1108 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1203ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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.
Running 215 sub problems to find dead transitions.
[2024-05-24 00:49:09] [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 3395 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 20056 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 23615ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 23617ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23619 ms. Remains : 20/20 places, 234/234 transitions.
RANDOM walk for 40000 steps (3733 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1761083 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1761083 steps, saw 337012 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :0
[2024-05-24 00:49:36] [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) 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 72 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 9065 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9153ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-24 00:49:45] [INFO ] Invariant cache hit.
[2024-05-24 00:49:45] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-24 00:49:45] [INFO ] Invariant cache hit.
[2024-05-24 00:49:45] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2024-05-24 00:49:45] [INFO ] Redundant transitions in 0 ms returned []
Running 215 sub problems to find dead transitions.
[2024-05-24 00:49:45] [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 4721 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 20 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30010 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 34885ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 34887ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35153 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-11ringRR-UpperBounds-09 in 144728 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-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 243 rows 24 cols
[2024-05-24 00:50:20] [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 (801 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (57 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:50:20] [INFO ] Invariant cache hit.
[2024-05-24 00:50:20] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-24 00:50:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:50:21] [INFO ] [Nat]Absence check using state equation in 543 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 24 transition count 239
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 7 place count 21 transition count 236
Applied a total of 7 rules in 12 ms. Remains 21 /24 variables (removed 3) and now considering 236/243 (removed 7) transitions.
Running 217 sub problems to find dead transitions.
// Phase 1: matrix 236 rows 21 cols
[2024-05-24 00:50:21] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 00:50:21] [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 7933 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
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/257 variables, and 255 constraints, problems are : Problem set: 0 solved, 217 unsolved in 20044 ms.
Refiners :[State Equation: 20/21 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints]
After SMT, in 28250ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 28254ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28267 ms. Remains : 21/24 places, 236/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:50:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (87164 resets) in 2993 ms. (334 steps per ms)
BEST_FIRST walk for 1000001 steps (8371 resets) in 668 ms. (1494 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:50:53] [INFO ] Invariant cache hit.
[2024-05-24 00:50:53] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-24 00:50:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:50:58] [INFO ] [Nat]Absence check using state equation in 4543 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 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 1 ms. Remains : 21/21 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 236/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-24 00:50:58] [INFO ] Invariant cache hit.
[2024-05-24 00:50:58] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-24 00:50:58] [INFO ] Invariant cache hit.
[2024-05-24 00:50:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 00:50:58] [INFO ] Implicit Places using invariants and state equation in 250 ms returned [6]
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 307 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 1 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 310 ms. Remains : 20/21 places, 224/236 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 224 rows 20 cols
[2024-05-24 00:50:58] [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 (53978 resets) in 2611 ms. (382 steps per ms)
BEST_FIRST walk for 1000001 steps (7080 resets) in 650 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:51:01] [INFO ] Invariant cache hit.
[2024-05-24 00:51:01] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-24 00:51:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:51:06] [INFO ] [Nat]Absence check using state equation in 4540 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-24 00:51:06] [INFO ] Invariant cache hit.
[2024-05-24 00:51:06] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-24 00:51:06] [INFO ] Invariant cache hit.
[2024-05-24 00:51:06] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 00:51:06] [INFO ] Implicit Places using invariants and state equation in 229 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
[2024-05-24 00:51:06] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:51:06] [INFO ] Invariant cache hit.
[2024-05-24 00:51:06] [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 8250 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 30014 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 38525ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 38529ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38835 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2163 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (278 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1693575 steps, run timeout after 3001 ms. (steps per millisecond=564 ) properties seen :0 out of 1
Probabilistic random walk after 1693575 steps, saw 333025 distinct states, run finished after 3001 ms. (steps per millisecond=564 ) properties seen :0
[2024-05-24 00:51:48] [INFO ] Invariant cache hit.
[2024-05-24 00:51:48] [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 81 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 1064 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 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 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-24 00:51:49] [INFO ] Invariant cache hit.
[2024-05-24 00:51:49] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (OVERLAPS) 1/244 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 38 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7268 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 244 constraints, problems are : Problem set: 0 solved, 206 unsolved in 20013 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27539ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27543ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27548 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2161 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (282 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1743065 steps, run timeout after 3001 ms. (steps per millisecond=580 ) properties seen :0 out of 1
Probabilistic random walk after 1743065 steps, saw 340871 distinct states, run finished after 3001 ms. (steps per millisecond=580 ) properties seen :0
[2024-05-24 00:52:20] [INFO ] Invariant cache hit.
[2024-05-24 00:52:20] [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 91 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 9067 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9164ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-24 00:52:29] [INFO ] Invariant cache hit.
[2024-05-24 00:52:29] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-24 00:52:29] [INFO ] Invariant cache hit.
[2024-05-24 00:52:29] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 00:52:29] [INFO ] Implicit Places using invariants and state equation in 209 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
[2024-05-24 00:52:29] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:52:29] [INFO ] Invariant cache hit.
[2024-05-24 00:52:29] [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 7462 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 30010 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37641ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37643ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37904 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-11ringRR-UpperBounds-10 in 166390 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-UpperBounds-12
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 243 rows 24 cols
[2024-05-24 00:53:07] [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 (790 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (69 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:53:07] [INFO ] Invariant cache hit.
[2024-05-24 00:53:07] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2024-05-24 00:53:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:53:07] [INFO ] [Nat]Absence check using state equation in 545 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Graph (complete) has 238 edges and 24 vertex of which 23 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 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 23 transition count 227
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 20 transition count 224
Applied a total of 20 rules in 6 ms. Remains 20 /24 variables (removed 4) and now considering 224/243 (removed 19) transitions.
Running 206 sub problems to find dead transitions.
// Phase 1: matrix 224 rows 20 cols
[2024-05-24 00:53:07] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 00:53:07] [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 7842 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 28054ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 28057ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28064 ms. Remains : 20/24 places, 224/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:53:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (54769 resets) in 3456 ms. (289 steps per ms)
BEST_FIRST walk for 1000001 steps (7274 resets) in 636 ms. (1569 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:53:40] [INFO ] Invariant cache hit.
[2024-05-24 00:53:40] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-24 00:53:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:53:44] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 224/224 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-24 00:53:44] [INFO ] Invariant cache hit.
[2024-05-24 00:53:44] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-24 00:53:44] [INFO ] Invariant cache hit.
[2024-05-24 00:53:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-24 00:53:44] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
[2024-05-24 00:53:44] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:53:44] [INFO ] Invariant cache hit.
[2024-05-24 00:53:44] [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 7426 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30012 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 37593ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 37597ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37839 ms. Remains : 20/20 places, 224/224 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2192 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1501489 steps, run timeout after 3001 ms. (steps per millisecond=500 ) properties seen :0 out of 1
Probabilistic random walk after 1501489 steps, saw 288592 distinct states, run finished after 3001 ms. (steps per millisecond=500 ) properties seen :0
[2024-05-24 00:54:25] [INFO ] Invariant cache hit.
[2024-05-24 00:54:25] [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 1070 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1160ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 224/224 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
Running 206 sub problems to find dead transitions.
[2024-05-24 00:54:26] [INFO ] Invariant cache hit.
[2024-05-24 00:54:26] [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 7373 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 20009 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 27536ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 27540ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27542 ms. Remains : 20/20 places, 224/224 transitions.
RANDOM walk for 40000 steps (2185 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (290 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1491750 steps, run timeout after 3001 ms. (steps per millisecond=497 ) properties seen :0 out of 1
Probabilistic random walk after 1491750 steps, saw 286788 distinct states, run finished after 3001 ms. (steps per millisecond=497 ) properties seen :0
[2024-05-24 00:54:57] [INFO ] Invariant cache hit.
[2024-05-24 00:54:57] [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 86 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 9076 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9167ms 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 4 ms. Remains 20 /20 variables (removed 0) and now considering 224/224 (removed 0) transitions.
[2024-05-24 00:55:06] [INFO ] Invariant cache hit.
[2024-05-24 00:55:06] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-24 00:55:06] [INFO ] Invariant cache hit.
[2024-05-24 00:55:06] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-24 00:55:07] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 373 ms to find 0 implicit places.
[2024-05-24 00:55:07] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-24 00:55:07] [INFO ] Invariant cache hit.
[2024-05-24 00:55:07] [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 5986 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (OVERLAPS) 224/243 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/243 variables, 10/29 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 206/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 1/244 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/244 variables, and 236 constraints, problems are : Problem set: 0 solved, 206 unsolved in 30009 ms.
Refiners :[State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 36204ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 36207ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36594 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-11ringRR-UpperBounds-12 in 156072 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-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 243 rows 24 cols
[2024-05-24 00:55:43] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (775 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (70 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:55:43] [INFO ] Invariant cache hit.
[2024-05-24 00:55:43] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-24 00:55:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:55:43] [INFO ] [Nat]Absence check using state equation in 548 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 24 transition count 238
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 20 transition count 234
Applied a total of 9 rules in 7 ms. Remains 20 /24 variables (removed 4) and now considering 234/243 (removed 9) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-24 00:55:43] [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 4767 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 25072ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25075ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25084 ms. Remains : 20/24 places, 234/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:56:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92410 resets) in 3169 ms. (315 steps per ms)
BEST_FIRST walk for 1000001 steps (9982 resets) in 642 ms. (1555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:56:12] [INFO ] Invariant cache hit.
[2024-05-24 00:56:12] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-24 00:56:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:56:17] [INFO ] [Nat]Absence check using state equation in 4540 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-24 00:56:17] [INFO ] Invariant cache hit.
[2024-05-24 00:56:17] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-24 00:56:17] [INFO ] Invariant cache hit.
[2024-05-24 00:56:17] [INFO ] Implicit Places using invariants and state equation in 281 ms returned [6]
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 326 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 19/20 places, 223/234 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 330 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-24 00:56:17] [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 (58805 resets) in 2863 ms. (349 steps per ms)
BEST_FIRST walk for 1000001 steps (8419 resets) in 623 ms. (1602 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:56:21] [INFO ] Invariant cache hit.
[2024-05-24 00:56:21] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-24 00:56:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:56:30] [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 6 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 6 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 00:56:30] [INFO ] Invariant cache hit.
[2024-05-24 00:56:30] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-24 00:56:30] [INFO ] Invariant cache hit.
[2024-05-24 00:56:30] [INFO ] Implicit Places using invariants and state equation in 272 ms returned []
Implicit Place search using SMT with State Equation took 311 ms to find 0 implicit places.
[2024-05-24 00:56:30] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:56:30] [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 4006 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 30015 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34286ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34290ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34612 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2333 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (341 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1706524 steps, run timeout after 3001 ms. (steps per millisecond=568 ) properties seen :0 out of 1
Probabilistic random walk after 1706524 steps, saw 343514 distinct states, run finished after 3001 ms. (steps per millisecond=568 ) properties seen :0
[2024-05-24 00:57:08] [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 97 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 1090 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1192ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-24 00:57:09] [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 3042 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 20040 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23239ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23241ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23244 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2344 resets) in 128 ms. (310 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 1738975 steps, run timeout after 3001 ms. (steps per millisecond=579 ) properties seen :0 out of 1
Probabilistic random walk after 1738975 steps, saw 351402 distinct states, run finished after 3001 ms. (steps per millisecond=579 ) properties seen :0
[2024-05-24 00:57:35] [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 120 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 9109 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9235ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 00:57:45] [INFO ] Invariant cache hit.
[2024-05-24 00:57:45] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-24 00:57:45] [INFO ] Invariant cache hit.
[2024-05-24 00:57:45] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 331 ms to find 0 implicit places.
[2024-05-24 00:57:45] [INFO ] Redundant transitions in 2 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:57:45] [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 4347 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 205 unsolved in 30010 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 34607ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34611ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34952 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-11ringRR-UpperBounds-13 in 156806 ms.
Starting property specific reduction for DNAwalker-PT-11ringRR-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 243 rows 24 cols
[2024-05-24 00:58:20] [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 (786 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (66 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:58:20] [INFO ] Invariant cache hit.
[2024-05-24 00:58:20] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-24 00:58:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:58:20] [INFO ] [Nat]Absence check using state equation in 544 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 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 243/243 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 24 transition count 238
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 20 transition count 234
Applied a total of 9 rules in 7 ms. Remains 20 /24 variables (removed 4) and now considering 234/243 (removed 9) transitions.
Running 215 sub problems to find dead transitions.
// Phase 1: matrix 234 rows 20 cols
[2024-05-24 00:58:20] [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 5004 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 20013 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 0/215 constraints, Known Traps: 0/0 constraints]
After SMT, in 25273ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 25277ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25286 ms. Remains : 20/24 places, 234/243 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 00:58:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (92610 resets) in 3128 ms. (319 steps per ms)
BEST_FIRST walk for 1000000 steps (10247 resets) in 654 ms. (1526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:58:49] [INFO ] Invariant cache hit.
[2024-05-24 00:58:49] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-05-24 00:58:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:58:54] [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 2 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 234/234 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 234/234 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2024-05-24 00:58:54] [INFO ] Invariant cache hit.
[2024-05-24 00:58:54] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-24 00:58:54] [INFO ] Invariant cache hit.
[2024-05-24 00:58:54] [INFO ] Implicit Places using invariants and state equation in 258 ms returned [6]
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 308 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 6 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 316 ms. Remains : 19/20 places, 223/234 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 223 rows 19 cols
[2024-05-24 00:58:54] [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 (58925 resets) in 2976 ms. (335 steps per ms)
BEST_FIRST walk for 1000001 steps (8491 resets) in 641 ms. (1557 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 00:58:58] [INFO ] Invariant cache hit.
[2024-05-24 00:58:58] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-24 00:58:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 00:59:07] [INFO ] [Nat]Absence check using state equation in 9065 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 1 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 00:59:07] [INFO ] Invariant cache hit.
[2024-05-24 00:59:07] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-24 00:59:07] [INFO ] Invariant cache hit.
[2024-05-24 00:59:07] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
[2024-05-24 00:59:07] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 00:59:07] [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 3250 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 33516ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 33520ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33776 ms. Remains : 19/19 places, 223/223 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2360 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (336 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1620989 steps, run timeout after 3001 ms. (steps per millisecond=540 ) properties seen :0 out of 1
Probabilistic random walk after 1620989 steps, saw 326556 distinct states, run finished after 3002 ms. (steps per millisecond=539 ) properties seen :0
[2024-05-24 00:59:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 172/194 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/242 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/242 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 19 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 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 1074 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1164ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Running 205 sub problems to find dead transitions.
[2024-05-24 00:59:45] [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 3445 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 223/242 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/242 variables, and 224 constraints, problems are : Problem set: 0 solved, 205 unsolved in 20044 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
After SMT, in 23739ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 23744ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23748 ms. Remains : 19/19 places, 223/223 transitions.
RANDOM walk for 40000 steps (2371 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (341 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1499432 steps, run timeout after 3001 ms. (steps per millisecond=499 ) properties seen :0 out of 1
Probabilistic random walk after 1499432 steps, saw 304441 distinct states, run finished after 3001 ms. (steps per millisecond=499 ) properties seen :0
[2024-05-24 01:00:12] [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 117 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 9100 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9225ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 19/19 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 223/223 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2024-05-24 01:00:21] [INFO ] Invariant cache hit.
[2024-05-24 01:00:21] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-24 01:00:21] [INFO ] Invariant cache hit.
[2024-05-24 01:00:22] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-24 01:00:22] [INFO ] Redundant transitions in 1 ms returned []
Running 205 sub problems to find dead transitions.
[2024-05-24 01:00:22] [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 4691 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 34913ms problems are : Problem set: 0 solved, 205 unsolved
Search for dead transitions found 0 dead transitions in 34915ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35149 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-11ringRR-UpperBounds-14 in 156941 ms.
[2024-05-24 01:00:57] [INFO ] Flatten gal took : 72 ms
[2024-05-24 01:00:57] [INFO ] Export to MCC of 10 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-24 01:00:57] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 24 places, 243 transitions and 715 arcs took 7 ms.
Total runtime 1943921 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running DNAwalker-PT-11ringRR
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 24
TRANSITIONS: 243
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.002s, Sys 0.003s]
SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 1852
MODEL NAME: /home/mcc/execution/413/model
24 places, 243 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA DNAwalker-PT-11ringRR-UpperBounds-01 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-02 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-03 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-07 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-09 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-10 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-12 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-13 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-11ringRR-UpperBounds-14 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1716512463363
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DNAwalker-PT-11ringRR"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DNAwalker-PT-11ringRR, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r113-smll-171624275000453"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-11ringRR.tgz
mv DNAwalker-PT-11ringRR 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 ;