About the Execution of LTSMin+red for DNAwalker-PT-14ringLRLarge
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 745.168 | 2507838.00 | 2565063.00 | 37054.70 | 1 1 ? ? ? ? ? ? ? ? ? ? 1 ? ? ? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r484-smll-171624276100477.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DNAwalker-PT-14ringLRLarge, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r484-smll-171624276100477
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 8.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 3.2K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Apr 13 13:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Apr 13 13:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Apr 13 13:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 13 13:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 14 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 135K May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-00
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-01
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-02
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-03
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-04
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-05
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-06
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-07
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-08
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-09
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-10
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-11
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-12
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-13
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-14
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717314509675
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-14ringLRLarge
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-02 07:48:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-02 07:48:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-02 07:48:32] [INFO ] Load time of PNML (sax parser for PT used): 141 ms
[2024-06-02 07:48:32] [INFO ] Transformed 33 places.
[2024-06-02 07:48:32] [INFO ] Transformed 312 transitions.
[2024-06-02 07:48:32] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 302 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 07:48:32] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2024-06-02 07:48:32] [INFO ] Computed 0 invariants in 18 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (780 resets) in 94 ms. (105 steps per ms)
BEST_FIRST walk for 160013 steps (964 resets) in 265 ms. (601 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 07:48:32] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2024-06-02 07:48:32] [INFO ] Invariant cache hit.
[2024-06-02 07:48:33] [INFO ] [Real]Absence check using state equation in 211 ms returned unsat
[2024-06-02 07:48:33] [INFO ] [Real]Absence check using state equation in 104 ms returned unsat
[2024-06-02 07:48:33] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2024-06-02 07:48:33] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:34] [INFO ] [Nat]Absence check using state equation in 593 ms returned unknown
[2024-06-02 07:48:34] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-06-02 07:48:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:34] [INFO ] [Nat]Absence check using state equation in 586 ms returned unknown
[2024-06-02 07:48:34] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-06-02 07:48:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:35] [INFO ] [Nat]Absence check using state equation in 599 ms returned unknown
[2024-06-02 07:48:35] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2024-06-02 07:48:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:36] [INFO ] [Nat]Absence check using state equation in 577 ms returned unknown
[2024-06-02 07:48:36] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-06-02 07:48:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:36] [INFO ] [Nat]Absence check using state equation in 571 ms returned unknown
[2024-06-02 07:48:37] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-06-02 07:48:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:37] [INFO ] [Nat]Absence check using state equation in 582 ms returned unknown
[2024-06-02 07:48:37] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-06-02 07:48:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:38] [INFO ] [Nat]Absence check using state equation in 558 ms returned unknown
[2024-06-02 07:48:38] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 07:48:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:39] [INFO ] [Nat]Absence check using state equation in 556 ms returned unknown
[2024-06-02 07:48:39] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 07:48:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:39] [INFO ] [Nat]Absence check using state equation in 559 ms returned unknown
[2024-06-02 07:48:39] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-06-02 07:48:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:40] [INFO ] [Nat]Absence check using state equation in 565 ms returned unknown
[2024-06-02 07:48:40] [INFO ] [Real]Absence check using state equation in 51 ms returned unsat
[2024-06-02 07:48:40] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 07:48:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:41] [INFO ] [Nat]Absence check using state equation in 560 ms returned unknown
[2024-06-02 07:48:41] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 07:48:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:41] [INFO ] [Nat]Absence check using state equation in 560 ms returned unknown
[2024-06-02 07:48:41] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 07:48:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:48:42] [INFO ] [Nat]Absence check using state equation in 560 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[1, 1, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf]
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-14ringLRLarge-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, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 312/312 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 33 transition count 304
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 12 place count 29 transition count 300
Applied a total of 12 rules in 94 ms. Remains 29 /33 variables (removed 4) and now considering 300/312 (removed 12) transitions.
Running 276 sub problems to find dead transitions.
// Phase 1: matrix 300 rows 29 cols
[2024-06-02 07:48:42] [INFO ] Computed 0 invariants in 4 ms
[2024-06-02 07:48:42] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 1 (OVERLAPS) 300/327 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/327 variables, 18/45 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/327 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (OVERLAPS) 2/329 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/329 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 6 (OVERLAPS) 0/329 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 276 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 47 constraints, problems are : Problem set: 0 solved, 276 unsolved in 9135 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 276 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 1 (OVERLAPS) 300/327 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/327 variables, 18/45 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/327 variables, 276/321 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/327 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 5 (OVERLAPS) 2/329 variables, 2/323 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 329/329 variables, and 323 constraints, problems are : Problem set: 0 solved, 276 unsolved in 20033 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 0/0 constraints]
After SMT, in 29654ms problems are : Problem set: 0 solved, 276 unsolved
Search for dead transitions found 0 dead transitions in 29684ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29811 ms. Remains : 29/33 places, 300/312 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 07:49:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (100403 resets) in 3692 ms. (270 steps per ms)
BEST_FIRST walk for 13000013 steps (137456 resets) in 10447 ms. (1244 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 07:49:26] [INFO ] Invariant cache hit.
[2024-06-02 07:49:26] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-06-02 07:49:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:49:31] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
[2024-06-02 07:49:31] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 07:49:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:49:36] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-06-02 07:49:36] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-06-02 07:49:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:49:40] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-06-02 07:49:40] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-06-02 07:49:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:49:45] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 07:49:45] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 07:49:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:49:50] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
[2024-06-02 07:49:50] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 07:49:50] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:49:54] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
[2024-06-02 07:49:54] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 07:49:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:49:59] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
[2024-06-02 07:49:59] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 07:49:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:50:04] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
[2024-06-02 07:50:04] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 07:50:04] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:50:08] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-06-02 07:50:08] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-06-02 07:50:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:50:13] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 07:50:13] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 07:50:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:50:18] [INFO ] [Nat]Absence check using state equation in 4561 ms returned unknown
[2024-06-02 07:50:18] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 07:50:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:50:22] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 07:50:22] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-06-02 07:50:22] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:50:27] [INFO ] [Nat]Absence check using state equation in 4576 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 29 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29/29 places, 300/300 transitions.
Applied a total of 0 rules in 12 ms. Remains 29 /29 variables (removed 0) and now considering 300/300 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 29/29 places, 300/300 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29/29 places, 300/300 transitions.
Applied a total of 0 rules in 15 ms. Remains 29 /29 variables (removed 0) and now considering 300/300 (removed 0) transitions.
[2024-06-02 07:50:27] [INFO ] Invariant cache hit.
[2024-06-02 07:50:27] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-06-02 07:50:27] [INFO ] Invariant cache hit.
[2024-06-02 07:50:27] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-06-02 07:50:27] [INFO ] Implicit Places using invariants and state equation in 388 ms returned [22]
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 460 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 28/29 places, 293/300 transitions.
Applied a total of 0 rules in 12 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 488 ms. Remains : 28/29 places, 293/300 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 293 rows 28 cols
[2024-06-02 07:50:28] [INFO ] Computed 0 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (86788 resets) in 4028 ms. (248 steps per ms)
BEST_FIRST walk for 13000012 steps (133108 resets) in 10463 ms. (1242 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 07:50:42] [INFO ] Invariant cache hit.
[2024-06-02 07:50:42] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 07:50:42] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:50:51] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
[2024-06-02 07:50:51] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 07:50:51] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:51:00] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 07:51:00] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 07:51:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:51:10] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
[2024-06-02 07:51:10] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 07:51:10] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:51:19] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 07:51:19] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 07:51:19] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:51:28] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
[2024-06-02 07:51:28] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 07:51:28] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:51:37] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
[2024-06-02 07:51:37] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 07:51:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:51:46] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
[2024-06-02 07:51:46] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 07:51:46] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:51:55] [INFO ] [Nat]Absence check using state equation in 9088 ms returned unknown
[2024-06-02 07:51:56] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 07:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:52:05] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 07:52:05] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 07:52:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:52:14] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
[2024-06-02 07:52:14] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-06-02 07:52:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:52:23] [INFO ] [Nat]Absence check using state equation in 9082 ms returned unknown
[2024-06-02 07:52:23] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 07:52:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:52:32] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
[2024-06-02 07:52:32] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 07:52:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:52:41] [INFO ] [Nat]Absence check using state equation in 9059 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Applied a total of 0 rules in 12 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 28/28 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Applied a total of 0 rules in 4 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-06-02 07:52:41] [INFO ] Invariant cache hit.
[2024-06-02 07:52:41] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-06-02 07:52:41] [INFO ] Invariant cache hit.
[2024-06-02 07:52:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-06-02 07:52:42] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
[2024-06-02 07:52:42] [INFO ] Redundant transitions in 20 ms returned []
Running 270 sub problems to find dead transitions.
[2024-06-02 07:52:42] [INFO ] Invariant cache hit.
[2024-06-02 07:52:42] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 1 (OVERLAPS) 293/319 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 18/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/319 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 4 (OVERLAPS) 2/321 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 6 (OVERLAPS) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 46 constraints, problems are : Problem set: 0 solved, 270 unsolved in 9094 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 270 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 1 (OVERLAPS) 293/319 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 18/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/319 variables, 270/314 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/319 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 5 (OVERLAPS) 2/321 variables, 2/316 constraints. Problems are: Problem set: 0 solved, 270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 321/321 variables, and 316 constraints, problems are : Problem set: 0 solved, 270 unsolved in 30015 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
After SMT, in 39571ms problems are : Problem set: 0 solved, 270 unsolved
Search for dead transitions found 0 dead transitions in 39577ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39889 ms. Remains : 28/28 places, 293/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3455 resets) in 1581 ms. (25 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (292 resets) in 160 ms. (248 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (343 resets) in 99 ms. (400 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (331 resets) in 76 ms. (519 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (306 resets) in 74 ms. (533 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (341 resets) in 85 ms. (465 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (342 resets) in 87 ms. (454 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40000 steps (1376 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (325 resets) in 86 ms. (459 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (342 resets) in 88 ms. (449 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (310 resets) in 82 ms. (481 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (322 resets) in 104 ms. (380 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (329 resets) in 73 ms. (540 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (358 resets) in 79 ms. (500 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 435534 steps, run timeout after 3001 ms. (steps per millisecond=145 ) properties seen :0 out of 13
Probabilistic random walk after 435534 steps, saw 96200 distinct states, run finished after 3006 ms. (steps per millisecond=144 ) properties seen :0
[2024-06-02 07:53:25] [INFO ] Invariant cache hit.
[2024-06-02 07:53:25] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 213/226 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/226 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 95/321 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 46 constraints, problems are : Problem set: 0 solved, 13 unsolved in 420 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 213/226 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/226 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/226 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 321/321 variables, and 47 constraints, problems are : Problem set: 0 solved, 13 unsolved in 5006 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 5440ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Applied a total of 0 rules in 5 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running 270 sub problems to find dead transitions.
[2024-06-02 07:53:31] [INFO ] Invariant cache hit.
[2024-06-02 07:53:31] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 1 (OVERLAPS) 293/319 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 18/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/319 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 4 (OVERLAPS) 2/321 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 6 (OVERLAPS) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 46 constraints, problems are : Problem set: 0 solved, 270 unsolved in 11735 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 270 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 1 (OVERLAPS) 293/319 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 18/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/319 variables, 270/314 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/319 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 5 (OVERLAPS) 2/321 variables, 2/316 constraints. Problems are: Problem set: 0 solved, 270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 321/321 variables, and 316 constraints, problems are : Problem set: 0 solved, 270 unsolved in 20014 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
After SMT, in 31948ms problems are : Problem set: 0 solved, 270 unsolved
Search for dead transitions found 0 dead transitions in 31952ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31959 ms. Remains : 28/28 places, 293/293 transitions.
RANDOM walk for 40000 steps (3472 resets) in 401 ms. (99 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (287 resets) in 71 ms. (555 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40001 steps (348 resets) in 99 ms. (400 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (337 resets) in 98 ms. (404 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (305 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (351 resets) in 59 ms. (666 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (350 resets) in 75 ms. (526 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40000 steps (1376 resets) in 68 ms. (579 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (309 resets) in 65 ms. (606 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (348 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (295 resets) in 59 ms. (666 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (324 resets) in 63 ms. (625 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (329 resets) in 62 ms. (634 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (351 resets) in 59 ms. (666 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 473556 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 13
Probabilistic random walk after 473556 steps, saw 104518 distinct states, run finished after 3001 ms. (steps per millisecond=157 ) properties seen :0
[2024-06-02 07:54:06] [INFO ] Invariant cache hit.
[2024-06-02 07:54:06] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 213/226 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/226 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 95/321 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 46 constraints, problems are : Problem set: 0 solved, 13 unsolved in 397 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 213/226 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/226 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/226 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/226 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 321/321 variables, and 47 constraints, problems are : Problem set: 0 solved, 13 unsolved in 45006 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 45414ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Applied a total of 0 rules in 5 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 28/28 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Applied a total of 0 rules in 5 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-06-02 07:54:52] [INFO ] Invariant cache hit.
[2024-06-02 07:54:52] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-06-02 07:54:52] [INFO ] Invariant cache hit.
[2024-06-02 07:54:52] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-06-02 07:54:52] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
[2024-06-02 07:54:52] [INFO ] Redundant transitions in 5 ms returned []
Running 270 sub problems to find dead transitions.
[2024-06-02 07:54:52] [INFO ] Invariant cache hit.
[2024-06-02 07:54:52] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 1 (OVERLAPS) 293/319 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 18/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/319 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 4 (OVERLAPS) 2/321 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 6 (OVERLAPS) 0/321 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 270 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 46 constraints, problems are : Problem set: 0 solved, 270 unsolved in 7652 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 270 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 1 (OVERLAPS) 293/319 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 18/44 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/319 variables, 270/314 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/319 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 270 unsolved
At refinement iteration 5 (OVERLAPS) 2/321 variables, 2/316 constraints. Problems are: Problem set: 0 solved, 270 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 321/321 variables, and 316 constraints, problems are : Problem set: 0 solved, 270 unsolved in 30012 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
After SMT, in 37856ms problems are : Problem set: 0 solved, 270 unsolved
Search for dead transitions found 0 dead transitions in 37860ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38177 ms. Remains : 28/28 places, 293/293 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-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]
[2024-06-02 07:55:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (891 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (69 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 07:55:30] [INFO ] Invariant cache hit.
[2024-06-02 07:55:30] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 07:55:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:55:31] [INFO ] [Nat]Absence check using state equation in 1056 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 28 transition count 287
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 8 place count 26 transition count 285
Applied a total of 8 rules in 9 ms. Remains 26 /28 variables (removed 2) and now considering 285/293 (removed 8) transitions.
Running 262 sub problems to find dead transitions.
// Phase 1: matrix 285 rows 26 cols
[2024-06-02 07:55:31] [INFO ] Computed 0 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (OVERLAPS) 285/311 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 0/311 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 262 unsolved
No progress, stopping.
After SMT solving in domain Real declared 311/311 variables, and 26 constraints, problems are : Problem set: 0 solved, 262 unsolved in 6227 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 311/311 variables, and 26 constraints, problems are : Problem set: 0 solved, 262 unsolved in 20010 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/262 constraints, Known Traps: 0/0 constraints]
After SMT, in 26448ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 26451ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26462 ms. Remains : 26/28 places, 285/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 07:55:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85740 resets) in 3316 ms. (301 steps per ms)
BEST_FIRST walk for 1000001 steps (9276 resets) in 771 ms. (1295 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 07:56:02] [INFO ] Invariant cache hit.
[2024-06-02 07:56:02] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-06-02 07:56:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:56:07] [INFO ] [Nat]Absence check using state equation in 4550 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 285/285 transitions.
Applied a total of 0 rules in 5 ms. Remains 26 /26 variables (removed 0) and now considering 285/285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 26/26 places, 285/285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 285/285 transitions.
Applied a total of 0 rules in 6 ms. Remains 26 /26 variables (removed 0) and now considering 285/285 (removed 0) transitions.
[2024-06-02 07:56:07] [INFO ] Invariant cache hit.
[2024-06-02 07:56:07] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-06-02 07:56:07] [INFO ] Invariant cache hit.
[2024-06-02 07:56:07] [INFO ] Implicit Places using invariants and state equation in 290 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 14 transitions.
Implicit Place search using SMT with State Equation took 367 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/26 places, 271/285 transitions.
Applied a total of 0 rules in 7 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 380 ms. Remains : 25/26 places, 271/285 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 07:56:07] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (48576 resets) in 3119 ms. (320 steps per ms)
BEST_FIRST walk for 1000001 steps (6995 resets) in 745 ms. (1340 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 07:56:11] [INFO ] Invariant cache hit.
[2024-06-02 07:56:11] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 07:56:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:56:20] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 07:56:20] [INFO ] Invariant cache hit.
[2024-06-02 07:56:20] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-02 07:56:20] [INFO ] Invariant cache hit.
[2024-06-02 07:56:20] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 291 ms to find 0 implicit places.
[2024-06-02 07:56:20] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 07:56:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5446 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35652ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35655ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35960 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1943 resets) in 229 ms. (173 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (278 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1372490 steps, run timeout after 3001 ms. (steps per millisecond=457 ) properties seen :0 out of 1
Probabilistic random walk after 1372490 steps, saw 323131 distinct states, run finished after 3001 ms. (steps per millisecond=457 ) properties seen :0
[2024-06-02 07:56:59] [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) 35/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 233/269 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 27/296 variables, 7/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 233/269 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1111 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1207ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 07:57:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5185 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 274 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20054 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25408ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25411ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25416 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1941 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (277 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1359960 steps, run timeout after 3001 ms. (steps per millisecond=453 ) properties seen :0 out of 1
Probabilistic random walk after 1359960 steps, saw 320121 distinct states, run finished after 3001 ms. (steps per millisecond=453 ) properties seen :0
[2024-06-02 07:57:29] [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) 35/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 233/269 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 27/296 variables, 7/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 35/36 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 233/269 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9087 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9189ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 07:57:38] [INFO ] Invariant cache hit.
[2024-06-02 07:57:38] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 07:57:38] [INFO ] Invariant cache hit.
[2024-06-02 07:57:38] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 302 ms to find 0 implicit places.
[2024-06-02 07:57:38] [INFO ] Redundant transitions in 4 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 07:57:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6508 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36814ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36819ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37140 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-02 in 165228 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-03
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 293 rows 28 cols
[2024-06-02 07:58:15] [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 (860 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (81 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 07:58:15] [INFO ] Invariant cache hit.
[2024-06-02 07:58:15] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-06-02 07:58:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:58:16] [INFO ] [Nat]Absence check using state equation in 1081 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 28 transition count 286
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 26 transition count 284
Applied a total of 9 rules in 7 ms. Remains 26 /28 variables (removed 2) and now considering 284/293 (removed 9) transitions.
Running 261 sub problems to find dead transitions.
// Phase 1: matrix 284 rows 26 cols
[2024-06-02 07:58:16] [INFO ] Computed 0 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 6965 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 20010 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 27164ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 27167ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27176 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 07:58:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83444 resets) in 3215 ms. (310 steps per ms)
BEST_FIRST walk for 1000000 steps (9723 resets) in 761 ms. (1312 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 07:58:48] [INFO ] Invariant cache hit.
[2024-06-02 07:58:48] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 07:58:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:58:52] [INFO ] [Nat]Absence check using state equation in 4554 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2024-06-02 07:58:52] [INFO ] Invariant cache hit.
[2024-06-02 07:58:52] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-02 07:58:52] [INFO ] Invariant cache hit.
[2024-06-02 07:58:53] [INFO ] Implicit Places using invariants and state equation in 274 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Implicit Place search using SMT with State Equation took 332 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/26 places, 271/284 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 339 ms. Remains : 25/26 places, 271/284 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 07:58:53] [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 (49332 resets) in 2793 ms. (357 steps per ms)
BEST_FIRST walk for 1000001 steps (7245 resets) in 732 ms. (1364 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 07:58:56] [INFO ] Invariant cache hit.
[2024-06-02 07:58:56] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2024-06-02 07:58:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 07:59:06] [INFO ] [Nat]Absence check using state equation in 9073 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 07:59:06] [INFO ] Invariant cache hit.
[2024-06-02 07:59:06] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-06-02 07:59:06] [INFO ] Invariant cache hit.
[2024-06-02 07:59:06] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 286 ms to find 0 implicit places.
[2024-06-02 07:59:06] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 07:59:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4034 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30009 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34217ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34220ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34515 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1960 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (292 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1361144 steps, run timeout after 3001 ms. (steps per millisecond=453 ) properties seen :0 out of 1
Probabilistic random walk after 1361144 steps, saw 321349 distinct states, run finished after 3001 ms. (steps per millisecond=453 ) properties seen :0
[2024-06-02 07:59:43] [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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1094 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1204ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 07:59:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4945 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 274 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20047 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25177ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25179ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25183 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1978 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (294 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1231664 steps, run timeout after 3001 ms. (steps per millisecond=410 ) properties seen :0 out of 1
Probabilistic random walk after 1231664 steps, saw 287309 distinct states, run finished after 3001 ms. (steps per millisecond=410 ) properties seen :0
[2024-06-02 08:00:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9097 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9186ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:00:22] [INFO ] Invariant cache hit.
[2024-06-02 08:00:22] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-06-02 08:00:22] [INFO ] Invariant cache hit.
[2024-06-02 08:00:22] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
[2024-06-02 08:00:22] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:00:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6061 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36259ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36262ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36575 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-03 in 163223 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 293 rows 28 cols
[2024-06-02 08:00:58] [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 (847 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (85 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:00:58] [INFO ] Invariant cache hit.
[2024-06-02 08:00:59] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 08:00:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:01:00] [INFO ] [Nat]Absence check using state equation in 1058 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Graph (complete) has 286 edges and 28 vertex of which 27 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 27 transition count 273
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 25 transition count 271
Applied a total of 23 rules in 16 ms. Remains 25 /28 variables (removed 3) and now considering 271/293 (removed 22) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:01:00] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5506 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25714ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25718ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25735 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:01:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49417 resets) in 2751 ms. (363 steps per ms)
BEST_FIRST walk for 1000001 steps (7264 resets) in 727 ms. (1373 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:01:29] [INFO ] Invariant cache hit.
[2024-06-02 08:01:29] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 08:01:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:01:38] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:01:38] [INFO ] Invariant cache hit.
[2024-06-02 08:01:38] [INFO ] Implicit Places using invariants in 74 ms returned []
[2024-06-02 08:01:38] [INFO ] Invariant cache hit.
[2024-06-02 08:01:38] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 380 ms to find 0 implicit places.
[2024-06-02 08:01:38] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:01:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6310 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36617ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36623ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37017 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1958 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1204686 steps, run timeout after 3001 ms. (steps per millisecond=401 ) properties seen :0 out of 1
Probabilistic random walk after 1204686 steps, saw 270591 distinct states, run finished after 3001 ms. (steps per millisecond=401 ) properties seen :0
[2024-06-02 08:02:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/177 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1114 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1235ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:02:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4476 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24680ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24683ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24687 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1977 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (285 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1474929 steps, run timeout after 3001 ms. (steps per millisecond=491 ) properties seen :0 out of 1
Probabilistic random walk after 1474929 steps, saw 340093 distinct states, run finished after 3001 ms. (steps per millisecond=491 ) properties seen :0
[2024-06-02 08:02:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/177 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9108 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9197ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:02:56] [INFO ] Invariant cache hit.
[2024-06-02 08:02:57] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-06-02 08:02:57] [INFO ] Invariant cache hit.
[2024-06-02 08:02:57] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 300 ms to find 0 implicit places.
[2024-06-02 08:02:57] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:02:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 3908 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34106ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34109ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34419 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-04 in 152476 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-05
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 293 rows 28 cols
[2024-06-02 08:03:31] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (855 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (79 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:03:31] [INFO ] Invariant cache hit.
[2024-06-02 08:03:31] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 08:03:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:03:32] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 28 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 27 transition count 285
Applied a total of 8 rules in 6 ms. Remains 27 /28 variables (removed 1) and now considering 285/293 (removed 8) transitions.
Running 262 sub problems to find dead transitions.
// Phase 1: matrix 285 rows 27 cols
[2024-06-02 08:03:32] [INFO ] Computed 0 invariants in 2 ms
[2024-06-02 08:03:32] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (OVERLAPS) 285/311 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 9/35 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (OVERLAPS) 1/312 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 0/312 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 262 unsolved
No progress, stopping.
After SMT solving in domain Real declared 312/312 variables, and 36 constraints, problems are : Problem set: 0 solved, 262 unsolved in 7384 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (OVERLAPS) 285/311 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 9/35 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 262/297 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 312/312 variables, and 298 constraints, problems are : Problem set: 0 solved, 262 unsolved in 20013 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 0/0 constraints]
After SMT, in 27595ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 27598ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27605 ms. Remains : 27/28 places, 285/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:04:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (77208 resets) in 3148 ms. (317 steps per ms)
BEST_FIRST walk for 1000001 steps (7759 resets) in 745 ms. (1340 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:04:04] [INFO ] Invariant cache hit.
[2024-06-02 08:04:04] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 08:04:04] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:04:08] [INFO ] [Nat]Absence check using state equation in 4552 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 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 285/285 transitions.
Applied a total of 0 rules in 3 ms. Remains 27 /27 variables (removed 0) and now considering 285/285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 27/27 places, 285/285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 285/285 transitions.
Applied a total of 0 rules in 2 ms. Remains 27 /27 variables (removed 0) and now considering 285/285 (removed 0) transitions.
[2024-06-02 08:04:08] [INFO ] Invariant cache hit.
[2024-06-02 08:04:08] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-06-02 08:04:08] [INFO ] Invariant cache hit.
[2024-06-02 08:04:08] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 08:04:09] [INFO ] Implicit Places using invariants and state equation in 289 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Implicit Place search using SMT with State Equation took 343 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 26/27 places, 272/285 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 348 ms. Remains : 26/27 places, 272/285 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 08:04:09] [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 (46471 resets) in 3168 ms. (315 steps per ms)
BEST_FIRST walk for 1000001 steps (6188 resets) in 715 ms. (1396 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:04:13] [INFO ] Invariant cache hit.
[2024-06-02 08:04:13] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 08:04:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:04:17] [INFO ] [Nat]Absence check using state equation in 4552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 08:04:17] [INFO ] Invariant cache hit.
[2024-06-02 08:04:17] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-06-02 08:04:17] [INFO ] Invariant cache hit.
[2024-06-02 08:04:17] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 08:04:18] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 323 ms to find 0 implicit places.
[2024-06-02 08:04:18] [INFO ] Redundant transitions in 1 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 08:04:18] [INFO ] Invariant cache hit.
[2024-06-02 08:04:18] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10742 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30028 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40984ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40987ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41321 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1848 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (249 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1540296 steps, run timeout after 3001 ms. (steps per millisecond=513 ) properties seen :0 out of 1
Probabilistic random walk after 1540296 steps, saw 337161 distinct states, run finished after 3001 ms. (steps per millisecond=513 ) properties seen :0
[2024-06-02 08:05:02] [INFO ] Invariant cache hit.
[2024-06-02 08:05:02] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1091 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1193ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 08:05:03] [INFO ] Invariant cache hit.
[2024-06-02 08:05:03] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10838 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 284 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20046 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 31189ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 31195ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31201 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1855 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (248 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1511756 steps, run timeout after 3001 ms. (steps per millisecond=503 ) properties seen :0 out of 1
Probabilistic random walk after 1511756 steps, saw 331310 distinct states, run finished after 3001 ms. (steps per millisecond=503 ) properties seen :0
[2024-06-02 08:05:37] [INFO ] Invariant cache hit.
[2024-06-02 08:05:37] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9105 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9210ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 08:05:46] [INFO ] Invariant cache hit.
[2024-06-02 08:05:47] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-02 08:05:47] [INFO ] Invariant cache hit.
[2024-06-02 08:05:47] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 08:05:47] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 323 ms to find 0 implicit places.
[2024-06-02 08:05:47] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 08:05:47] [INFO ] Invariant cache hit.
[2024-06-02 08:05:47] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8321 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38513ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38516ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38851 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-05 in 174426 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-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 293 rows 28 cols
[2024-06-02 08:06:25] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (880 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (84 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:06:25] [INFO ] Invariant cache hit.
[2024-06-02 08:06:25] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 08:06:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:06:27] [INFO ] [Nat]Absence check using state equation in 1053 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 28 transition count 286
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 26 transition count 284
Applied a total of 9 rules in 6 ms. Remains 26 /28 variables (removed 2) and now considering 284/293 (removed 9) transitions.
Running 261 sub problems to find dead transitions.
// Phase 1: matrix 284 rows 26 cols
[2024-06-02 08:06:27] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 6453 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 20011 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 26667ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 26670ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26677 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:06:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83356 resets) in 3331 ms. (300 steps per ms)
BEST_FIRST walk for 1000001 steps (9269 resets) in 936 ms. (1067 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:06:58] [INFO ] Invariant cache hit.
[2024-06-02 08:06:58] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2024-06-02 08:06:58] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:07:02] [INFO ] [Nat]Absence check using state equation in 4583 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2024-06-02 08:07:02] [INFO ] Invariant cache hit.
[2024-06-02 08:07:02] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-02 08:07:02] [INFO ] Invariant cache hit.
[2024-06-02 08:07:03] [INFO ] Implicit Places using invariants and state equation in 268 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Implicit Place search using SMT with State Equation took 317 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/26 places, 271/284 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 324 ms. Remains : 25/26 places, 271/284 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:07:03] [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 (49289 resets) in 3409 ms. (293 steps per ms)
BEST_FIRST walk for 1000000 steps (7188 resets) in 731 ms. (1366 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:07:07] [INFO ] Invariant cache hit.
[2024-06-02 08:07:07] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 08:07:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:07:16] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:07:16] [INFO ] Invariant cache hit.
[2024-06-02 08:07:16] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 08:07:16] [INFO ] Invariant cache hit.
[2024-06-02 08:07:16] [INFO ] Implicit Places using invariants and state equation in 272 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2024-06-02 08:07:16] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:07:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5992 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36304ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36310ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36666 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1959 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (288 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1273651 steps, run timeout after 3001 ms. (steps per millisecond=424 ) properties seen :0 out of 1
Probabilistic random walk after 1273651 steps, saw 296219 distinct states, run finished after 3001 ms. (steps per millisecond=424 ) properties seen :0
[2024-06-02 08:07:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1086 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1185ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:07:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5529 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25842ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25847ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25853 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1978 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (294 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1291544 steps, run timeout after 3001 ms. (steps per millisecond=430 ) properties seen :0 out of 1
Probabilistic random walk after 1291544 steps, saw 301584 distinct states, run finished after 3001 ms. (steps per millisecond=430 ) properties seen :0
[2024-06-02 08:08:26] [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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9088 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9199ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:08:35] [INFO ] Invariant cache hit.
[2024-06-02 08:08:35] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 08:08:35] [INFO ] Invariant cache hit.
[2024-06-02 08:08:36] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 426 ms to find 0 implicit places.
[2024-06-02 08:08:36] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:08:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6609 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36911ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36916ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37355 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-06 in 167219 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-07
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 293 rows 28 cols
[2024-06-02 08:09:13] [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 (884 resets) in 38 ms. (256 steps per ms)
BEST_FIRST walk for 10001 steps (89 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:09:13] [INFO ] Invariant cache hit.
[2024-06-02 08:09:13] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 08:09:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:09:14] [INFO ] [Nat]Absence check using state equation in 1055 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 28 transition count 286
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 26 transition count 284
Applied a total of 9 rules in 11 ms. Remains 26 /28 variables (removed 2) and now considering 284/293 (removed 9) transitions.
Running 261 sub problems to find dead transitions.
// Phase 1: matrix 284 rows 26 cols
[2024-06-02 08:09:14] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 6510 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 287 constraints, problems are : Problem set: 0 solved, 261 unsolved in 20051 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 26767ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 26771ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26783 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:09:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83720 resets) in 3190 ms. (313 steps per ms)
BEST_FIRST walk for 1000001 steps (9395 resets) in 745 ms. (1340 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:09:45] [INFO ] Invariant cache hit.
[2024-06-02 08:09:45] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 08:09:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:09:49] [INFO ] [Nat]Absence check using state equation in 4550 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2024-06-02 08:09:49] [INFO ] Invariant cache hit.
[2024-06-02 08:09:49] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 08:09:49] [INFO ] Invariant cache hit.
[2024-06-02 08:09:50] [INFO ] Implicit Places using invariants and state equation in 380 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Implicit Place search using SMT with State Equation took 436 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/26 places, 271/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 441 ms. Remains : 25/26 places, 271/284 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:09:50] [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 (49419 resets) in 3197 ms. (312 steps per ms)
BEST_FIRST walk for 1000001 steps (7189 resets) in 728 ms. (1371 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:09:54] [INFO ] Invariant cache hit.
[2024-06-02 08:09:54] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 08:09:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:10:03] [INFO ] [Nat]Absence check using state equation in 9080 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:10:03] [INFO ] Invariant cache hit.
[2024-06-02 08:10:03] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-06-02 08:10:03] [INFO ] Invariant cache hit.
[2024-06-02 08:10:03] [INFO ] Implicit Places using invariants and state equation in 269 ms returned []
Implicit Place search using SMT with State Equation took 336 ms to find 0 implicit places.
[2024-06-02 08:10:03] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:10:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6554 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36852ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36854ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37198 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1978 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (287 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1432082 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1432082 steps, saw 343342 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2024-06-02 08:10:43] [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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 125/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1079 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1170ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:10:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4055 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24256ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24259ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24262 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1976 resets) in 180 ms. (220 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (292 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1340822 steps, run timeout after 3001 ms. (steps per millisecond=446 ) properties seen :0 out of 1
Probabilistic random walk after 1340822 steps, saw 319177 distinct states, run finished after 3001 ms. (steps per millisecond=446 ) properties seen :0
[2024-06-02 08:11:12] [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) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 125/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9092 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:11:21] [INFO ] Invariant cache hit.
[2024-06-02 08:11:21] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 08:11:21] [INFO ] Invariant cache hit.
[2024-06-02 08:11:21] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
[2024-06-02 08:11:21] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:11:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6062 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30024 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36258ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36261ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36580 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-07 in 164967 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 293 rows 28 cols
[2024-06-02 08:11:57] [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 (863 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10000 steps (344 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:11:58] [INFO ] Invariant cache hit.
[2024-06-02 08:11:58] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 08:11:58] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:11:59] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 28 transition count 286
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 26 transition count 284
Applied a total of 9 rules in 5 ms. Remains 26 /28 variables (removed 2) and now considering 284/293 (removed 9) transitions.
Running 261 sub problems to find dead transitions.
// Phase 1: matrix 284 rows 26 cols
[2024-06-02 08:11:59] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 5906 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 20011 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 26119ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 26122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26128 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:12:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83668 resets) in 3191 ms. (313 steps per ms)
BEST_FIRST walk for 1000000 steps (40000 resets) in 637 ms. (1567 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:12:29] [INFO ] Invariant cache hit.
[2024-06-02 08:12:29] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-06-02 08:12:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:12:33] [INFO ] [Nat]Absence check using state equation in 4580 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 26/26 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2024-06-02 08:12:33] [INFO ] Invariant cache hit.
[2024-06-02 08:12:34] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-06-02 08:12:34] [INFO ] Invariant cache hit.
[2024-06-02 08:12:34] [INFO ] Implicit Places using invariants and state equation in 251 ms returned []
Implicit Place search using SMT with State Equation took 302 ms to find 0 implicit places.
[2024-06-02 08:12:34] [INFO ] Redundant transitions in 2 ms returned []
Running 261 sub problems to find dead transitions.
[2024-06-02 08:12:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 5978 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30009 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 36319ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 36322ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36633 ms. Remains : 26/26 places, 284/284 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3354 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (1600 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1359061 steps, run timeout after 3001 ms. (steps per millisecond=452 ) properties seen :0 out of 1
Probabilistic random walk after 1359061 steps, saw 294359 distinct states, run finished after 3001 ms. (steps per millisecond=452 ) properties seen :0
[2024-06-02 08:13:13] [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) 14/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 224/239 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/310 variables, 11/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[State Equation: 26/26 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) 14/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 224/239 variables, 14/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 27 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1079 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1166ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Running 261 sub problems to find dead transitions.
[2024-06-02 08:13:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 4796 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 20010 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 25011ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 25014ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25017 ms. Remains : 26/26 places, 284/284 transitions.
RANDOM walk for 40000 steps (3309 resets) in 177 ms. (224 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (1600 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1342294 steps, run timeout after 3001 ms. (steps per millisecond=447 ) properties seen :0 out of 1
Probabilistic random walk after 1342294 steps, saw 289522 distinct states, run finished after 3001 ms. (steps per millisecond=447 ) properties seen :0
[2024-06-02 08:13:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 224/239 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/310 variables, 11/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 26/26 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) 14/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 224/239 variables, 14/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 27 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9083 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9195ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 26/26 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2024-06-02 08:13:52] [INFO ] Invariant cache hit.
[2024-06-02 08:13:52] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-06-02 08:13:52] [INFO ] Invariant cache hit.
[2024-06-02 08:13:52] [INFO ] Implicit Places using invariants and state equation in 255 ms returned []
Implicit Place search using SMT with State Equation took 324 ms to find 0 implicit places.
[2024-06-02 08:13:52] [INFO ] Redundant transitions in 2 ms returned []
Running 261 sub problems to find dead transitions.
[2024-06-02 08:13:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 4418 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 287 constraints, problems are : Problem set: 0 solved, 261 unsolved in 30046 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 34649ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 34654ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34989 ms. Remains : 26/26 places, 284/284 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-08 in 149180 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-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 293 rows 28 cols
[2024-06-02 08:14:27] [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 (866 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (82 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:14:27] [INFO ] Invariant cache hit.
[2024-06-02 08:14:27] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-06-02 08:14:27] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:14:28] [INFO ] [Nat]Absence check using state equation in 1056 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Graph (complete) has 286 edges and 28 vertex of which 27 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 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 27 transition count 273
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 25 transition count 271
Applied a total of 23 rules in 9 ms. Remains 25 /28 variables (removed 3) and now considering 271/293 (removed 22) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:14:28] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4065 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20009 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24263ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24265ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24275 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:14:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49334 resets) in 2721 ms. (367 steps per ms)
BEST_FIRST walk for 1000000 steps (7175 resets) in 726 ms. (1375 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:14:56] [INFO ] Invariant cache hit.
[2024-06-02 08:14:56] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 08:14:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:15:05] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:15:05] [INFO ] Invariant cache hit.
[2024-06-02 08:15:05] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-06-02 08:15:05] [INFO ] Invariant cache hit.
[2024-06-02 08:15:05] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 278 ms to find 0 implicit places.
[2024-06-02 08:15:05] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:15:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6256 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36443ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36445ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36731 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1970 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (286 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1377465 steps, run timeout after 3001 ms. (steps per millisecond=459 ) properties seen :0 out of 1
Probabilistic random walk after 1377465 steps, saw 313345 distinct states, run finished after 3001 ms. (steps per millisecond=459 ) properties seen :0
[2024-06-02 08:15:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1107 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1238ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:15:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5675 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20009 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25866ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25869ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25872 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1943 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (282 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1189724 steps, run timeout after 3001 ms. (steps per millisecond=396 ) properties seen :0 out of 1
Probabilistic random walk after 1189724 steps, saw 267056 distinct states, run finished after 3001 ms. (steps per millisecond=396 ) properties seen :0
[2024-06-02 08:16:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9077 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9171ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:16:24] [INFO ] Invariant cache hit.
[2024-06-02 08:16:24] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-02 08:16:24] [INFO ] Invariant cache hit.
[2024-06-02 08:16:24] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
[2024-06-02 08:16:24] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:16:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6412 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36708ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36713ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37034 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-09 in 154415 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-10
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 293 rows 28 cols
[2024-06-02 08:17:01] [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 (884 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (87 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:17:01] [INFO ] Invariant cache hit.
[2024-06-02 08:17:01] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 08:17:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:17:02] [INFO ] [Nat]Absence check using state equation in 1053 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 28 transition count 286
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 26 transition count 284
Applied a total of 9 rules in 5 ms. Remains 26 /28 variables (removed 2) and now considering 284/293 (removed 9) transitions.
Running 261 sub problems to find dead transitions.
// Phase 1: matrix 284 rows 26 cols
[2024-06-02 08:17:02] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 1 (OVERLAPS) 284/310 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
At refinement iteration 3 (OVERLAPS) 0/310 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 261 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 4947 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 261 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 261 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 310/310 variables, and 26 constraints, problems are : Problem set: 0 solved, 261 unsolved in 20011 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 25159ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 25162ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25168 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:17:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83491 resets) in 3182 ms. (314 steps per ms)
BEST_FIRST walk for 1000001 steps (9672 resets) in 898 ms. (1112 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:17:32] [INFO ] Invariant cache hit.
[2024-06-02 08:17:32] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2024-06-02 08:17:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:17:36] [INFO ] [Nat]Absence check using state equation in 4582 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 284/284 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2024-06-02 08:17:36] [INFO ] Invariant cache hit.
[2024-06-02 08:17:36] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-06-02 08:17:36] [INFO ] Invariant cache hit.
[2024-06-02 08:17:37] [INFO ] Implicit Places using invariants and state equation in 262 ms returned [8]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Implicit Place search using SMT with State Equation took 330 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/26 places, 271/284 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 336 ms. Remains : 25/26 places, 271/284 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:17:37] [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 (49543 resets) in 3321 ms. (301 steps per ms)
BEST_FIRST walk for 1000001 steps (7384 resets) in 715 ms. (1396 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:17:41] [INFO ] Invariant cache hit.
[2024-06-02 08:17:41] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 08:17:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:17:50] [INFO ] [Nat]Absence check using state equation in 9048 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:17:50] [INFO ] Invariant cache hit.
[2024-06-02 08:17:50] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-06-02 08:17:50] [INFO ] Invariant cache hit.
[2024-06-02 08:17:50] [INFO ] Implicit Places using invariants and state equation in 248 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
[2024-06-02 08:17:50] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:17:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4141 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 274 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30044 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34481ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34486ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34796 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1985 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (287 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1273070 steps, run timeout after 3001 ms. (steps per millisecond=424 ) properties seen :0 out of 1
Probabilistic random walk after 1273070 steps, saw 299512 distinct states, run finished after 3001 ms. (steps per millisecond=424 ) properties seen :0
[2024-06-02 08:18:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/296 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1076 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1165ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:18:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6184 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26389ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26392ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26395 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1988 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (290 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1365803 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1365803 steps, saw 324988 distinct states, run finished after 3001 ms. (steps per millisecond=455 ) properties seen :0
[2024-06-02 08:18:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/296 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9070 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9154ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:19:08] [INFO ] Invariant cache hit.
[2024-06-02 08:19:08] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 08:19:08] [INFO ] Invariant cache hit.
[2024-06-02 08:19:08] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
[2024-06-02 08:19:08] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:19:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6469 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30015 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36671ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36675ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36982 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-10 in 163629 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-11
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 293 rows 28 cols
[2024-06-02 08:19:45] [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 (853 resets) in 35 ms. (277 steps per ms)
BEST_FIRST walk for 10001 steps (78 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:19:45] [INFO ] Invariant cache hit.
[2024-06-02 08:19:45] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-02 08:19:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:19:46] [INFO ] [Nat]Absence check using state equation in 1056 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Graph (complete) has 286 edges and 28 vertex of which 27 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 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 27 transition count 273
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 26 transition count 272
Applied a total of 22 rules in 4 ms. Remains 26 /28 variables (removed 2) and now considering 272/293 (removed 21) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 08:19:46] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 08:19:46] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10778 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20012 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 30976ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 30979ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30984 ms. Remains : 26/28 places, 272/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:20:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46455 resets) in 2882 ms. (346 steps per ms)
BEST_FIRST walk for 1000001 steps (6215 resets) in 712 ms. (1402 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:20:21] [INFO ] Invariant cache hit.
[2024-06-02 08:20:21] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 08:20:21] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:20:25] [INFO ] [Nat]Absence check using state equation in 4568 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 08:20:25] [INFO ] Invariant cache hit.
[2024-06-02 08:20:25] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-06-02 08:20:25] [INFO ] Invariant cache hit.
[2024-06-02 08:20:25] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 08:20:26] [INFO ] Implicit Places using invariants and state equation in 270 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
[2024-06-02 08:20:26] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 08:20:26] [INFO ] Invariant cache hit.
[2024-06-02 08:20:26] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8818 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30019 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 39061ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 39064ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39401 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1860 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (247 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1510799 steps, run timeout after 3001 ms. (steps per millisecond=503 ) properties seen :0 out of 1
Probabilistic random walk after 1510799 steps, saw 329995 distinct states, run finished after 3001 ms. (steps per millisecond=503 ) properties seen :0
[2024-06-02 08:21:08] [INFO ] Invariant cache hit.
[2024-06-02 08:21:08] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1092 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1203ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 08:21:09] [INFO ] Invariant cache hit.
[2024-06-02 08:21:09] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 6479 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20013 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 26672ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 26675ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26677 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1855 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (241 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1435463 steps, run timeout after 3001 ms. (steps per millisecond=478 ) properties seen :0 out of 1
Probabilistic random walk after 1435463 steps, saw 315036 distinct states, run finished after 3001 ms. (steps per millisecond=478 ) properties seen :0
[2024-06-02 08:21:39] [INFO ] Invariant cache hit.
[2024-06-02 08:21:39] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9087 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9187ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 08:21:48] [INFO ] Invariant cache hit.
[2024-06-02 08:21:48] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-06-02 08:21:48] [INFO ] Invariant cache hit.
[2024-06-02 08:21:48] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 08:21:48] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 365 ms to find 0 implicit places.
[2024-06-02 08:21:48] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 08:21:48] [INFO ] Invariant cache hit.
[2024-06-02 08:21:48] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10377 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30015 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40701ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40706ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41082 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-11 in 164353 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-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 293 rows 28 cols
[2024-06-02 08:22:29] [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 (883 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (81 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:22:29] [INFO ] Invariant cache hit.
[2024-06-02 08:22:29] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 08:22:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:22:30] [INFO ] [Nat]Absence check using state equation in 1063 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Graph (complete) has 286 edges and 28 vertex of which 27 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 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 27 transition count 273
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 25 transition count 271
Applied a total of 23 rules in 8 ms. Remains 25 /28 variables (removed 3) and now considering 271/293 (removed 22) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:22:30] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5951 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 274 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20046 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26174ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26186 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:22:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49123 resets) in 2940 ms. (340 steps per ms)
BEST_FIRST walk for 1000001 steps (7133 resets) in 721 ms. (1385 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:23:00] [INFO ] Invariant cache hit.
[2024-06-02 08:23:00] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-06-02 08:23:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:23:09] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:23:09] [INFO ] Invariant cache hit.
[2024-06-02 08:23:09] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-02 08:23:09] [INFO ] Invariant cache hit.
[2024-06-02 08:23:10] [INFO ] Implicit Places using invariants and state equation in 234 ms returned []
Implicit Place search using SMT with State Equation took 283 ms to find 0 implicit places.
[2024-06-02 08:23:10] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:23:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6452 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36687ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36981 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1956 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (283 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1323677 steps, run timeout after 3001 ms. (steps per millisecond=441 ) properties seen :0 out of 1
Probabilistic random walk after 1323677 steps, saw 307426 distinct states, run finished after 3001 ms. (steps per millisecond=441 ) properties seen :0
[2024-06-02 08:23:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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) 177/201 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 177/201 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1079 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1171ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:23:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6488 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26708ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26711ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26714 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1951 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (281 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1386629 steps, run timeout after 3001 ms. (steps per millisecond=462 ) properties seen :0 out of 1
Probabilistic random walk after 1386629 steps, saw 322037 distinct states, run finished after 3001 ms. (steps per millisecond=462 ) properties seen :0
[2024-06-02 08:24:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 177/201 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 177/201 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9076 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:24:30] [INFO ] Invariant cache hit.
[2024-06-02 08:24:30] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-06-02 08:24:30] [INFO ] Invariant cache hit.
[2024-06-02 08:24:30] [INFO ] Implicit Places using invariants and state equation in 260 ms returned []
Implicit Place search using SMT with State Equation took 308 ms to find 0 implicit places.
[2024-06-02 08:24:30] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:24:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6139 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36361ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36364ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36682 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-13 in 157216 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-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 293 rows 28 cols
[2024-06-02 08:25:06] [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 (876 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (83 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:25:06] [INFO ] Invariant cache hit.
[2024-06-02 08:25:06] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 08:25:06] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:25:07] [INFO ] [Nat]Absence check using state equation in 1053 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Graph (complete) has 286 edges and 28 vertex of which 27 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 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 27 transition count 273
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 25 transition count 271
Applied a total of 23 rules in 5 ms. Remains 25 /28 variables (removed 3) and now considering 271/293 (removed 22) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:25:07] [INFO ] Computed 0 invariants in 0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6423 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26618ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26622ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26628 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:25:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49378 resets) in 3154 ms. (316 steps per ms)
BEST_FIRST walk for 1000000 steps (7243 resets) in 722 ms. (1383 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:25:38] [INFO ] Invariant cache hit.
[2024-06-02 08:25:38] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 08:25:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:25:47] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:25:47] [INFO ] Invariant cache hit.
[2024-06-02 08:25:47] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-06-02 08:25:47] [INFO ] Invariant cache hit.
[2024-06-02 08:25:48] [INFO ] Implicit Places using invariants and state equation in 336 ms returned []
Implicit Place search using SMT with State Equation took 410 ms to find 0 implicit places.
[2024-06-02 08:25:48] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:25:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5744 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36042ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36046ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36469 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1962 resets) in 247 ms. (161 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (289 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1303193 steps, run timeout after 3001 ms. (steps per millisecond=434 ) properties seen :0 out of 1
Probabilistic random walk after 1303193 steps, saw 295889 distinct states, run finished after 3001 ms. (steps per millisecond=434 ) properties seen :0
[2024-06-02 08:26:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1087 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:26:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6683 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20015 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 27006ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 27011ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27015 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1994 resets) in 175 ms. (227 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (286 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1400221 steps, run timeout after 3001 ms. (steps per millisecond=466 ) properties seen :0 out of 1
Probabilistic random walk after 1400221 steps, saw 319954 distinct states, run finished after 3001 ms. (steps per millisecond=466 ) properties seen :0
[2024-06-02 08:26:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9088 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9189ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:27:07] [INFO ] Invariant cache hit.
[2024-06-02 08:27:07] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-06-02 08:27:07] [INFO ] Invariant cache hit.
[2024-06-02 08:27:08] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
[2024-06-02 08:27:08] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:27:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6195 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36460ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36462ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36767 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-14 in 157831 ms.
Starting property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 293 rows 28 cols
[2024-06-02 08:27:44] [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 (852 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (87 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:27:44] [INFO ] Invariant cache hit.
[2024-06-02 08:27:44] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 08:27:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:27:45] [INFO ] [Nat]Absence check using state equation in 1090 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 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 293/293 transitions.
Graph (complete) has 286 edges and 28 vertex of which 27 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 27 transition count 273
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 25 transition count 271
Applied a total of 23 rules in 4 ms. Remains 25 /28 variables (removed 3) and now considering 271/293 (removed 22) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 08:27:45] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5997 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20009 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26192ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26195ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26200 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 08:28:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49404 resets) in 3016 ms. (331 steps per ms)
BEST_FIRST walk for 1000001 steps (7171 resets) in 737 ms. (1355 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 08:28:15] [INFO ] Invariant cache hit.
[2024-06-02 08:28:15] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 08:28:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 08:28:25] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:28:25] [INFO ] Invariant cache hit.
[2024-06-02 08:28:25] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-02 08:28:25] [INFO ] Invariant cache hit.
[2024-06-02 08:28:25] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 287 ms to find 0 implicit places.
[2024-06-02 08:28:25] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:28:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4095 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30008 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34293ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34296ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34592 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1974 resets) in 161 ms. (246 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (283 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1483270 steps, run timeout after 3001 ms. (steps per millisecond=494 ) properties seen :0 out of 1
Probabilistic random walk after 1483270 steps, saw 339429 distinct states, run finished after 3001 ms. (steps per millisecond=494 ) properties seen :0
[2024-06-02 08:29:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1082 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1172ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 08:29:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 3912 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24098ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24101ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24104 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1985 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (280 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1301884 steps, run timeout after 3001 ms. (steps per millisecond=433 ) properties seen :0 out of 1
Probabilistic random walk after 1301884 steps, saw 295510 distinct states, run finished after 3001 ms. (steps per millisecond=433 ) properties seen :0
[2024-06-02 08:29:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9119 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9228ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 08:29:40] [INFO ] Invariant cache hit.
[2024-06-02 08:29:40] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-06-02 08:29:40] [INFO ] Invariant cache hit.
[2024-06-02 08:29:40] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 297 ms to find 0 implicit places.
[2024-06-02 08:29:40] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 08:29:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4867 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35133ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35440 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-14ringLRLarge-UpperBounds-15 in 151216 ms.
[2024-06-02 08:30:16] [INFO ] Flatten gal took : 76 ms
[2024-06-02 08:30:16] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/UpperBounds.sr.xml took 46 ms.
[2024-06-02 08:30:16] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 28 places, 293 transitions and 863 arcs took 8 ms.
Total runtime 2505256 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS]
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-02
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-03
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-04
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-05
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-06
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-07
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-08
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-09
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-10
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-11
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-13
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-14
Could not compute solution for formula : DNAwalker-PT-14ringLRLarge-UpperBounds-15
BK_STOP 1717317017513
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-02
ub formula formula --maxsum=/tmp/2194/ub_0_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-03
ub formula formula --maxsum=/tmp/2194/ub_1_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-04
ub formula formula --maxsum=/tmp/2194/ub_2_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-05
ub formula formula --maxsum=/tmp/2194/ub_3_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-06
ub formula formula --maxsum=/tmp/2194/ub_4_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-07
ub formula formula --maxsum=/tmp/2194/ub_5_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-08
ub formula formula --maxsum=/tmp/2194/ub_6_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-09
ub formula formula --maxsum=/tmp/2194/ub_7_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-10
ub formula formula --maxsum=/tmp/2194/ub_8_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-11
ub formula formula --maxsum=/tmp/2194/ub_9_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-13
ub formula formula --maxsum=/tmp/2194/ub_10_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-14
ub formula formula --maxsum=/tmp/2194/ub_11_
ub formula name DNAwalker-PT-14ringLRLarge-UpperBounds-15
ub formula formula --maxsum=/tmp/2194/ub_12_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DNAwalker-PT-14ringLRLarge"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DNAwalker-PT-14ringLRLarge, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r484-smll-171624276100477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-14ringLRLarge.tgz
mv DNAwalker-PT-14ringLRLarge 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 ;