About the Execution of GreatSPN+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 |
| 751.300 | 2518032.00 | 2594794.00 | 7541.50 | 1 1 2 2 2 2 2 2 2 2 2 2 1 2 2 2 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r113-smll-171624275000477.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is DNAwalker-PT-14ringLRLarge, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-171624275000477
=====================================================================
--------------------
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 1716533417104
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-14ringLRLarge
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-24 06:50:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-24 06:50:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 06:50:19] [INFO ] Load time of PNML (sax parser for PT used): 185 ms
[2024-05-24 06:50:19] [INFO ] Transformed 33 places.
[2024-05-24 06:50:19] [INFO ] Transformed 312 transitions.
[2024-05-24 06:50:19] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 363 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 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]
[2024-05-24 06:50:19] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2024-05-24 06:50:19] [INFO ] Computed 0 invariants in 29 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 (766 resets) in 145 ms. (68 steps per ms)
BEST_FIRST walk for 160014 steps (968 resets) in 312 ms. (511 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]
[2024-05-24 06:50:19] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2024-05-24 06:50:19] [INFO ] Invariant cache hit.
[2024-05-24 06:50:20] [INFO ] [Real]Absence check using state equation in 138 ms returned unsat
[2024-05-24 06:50:20] [INFO ] [Real]Absence check using state equation in 102 ms returned unsat
[2024-05-24 06:50:20] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2024-05-24 06:50:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:21] [INFO ] [Nat]Absence check using state equation in 630 ms returned unknown
[2024-05-24 06:50:21] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2024-05-24 06:50:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:22] [INFO ] [Nat]Absence check using state equation in 594 ms returned unknown
[2024-05-24 06:50:22] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-24 06:50:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:22] [INFO ] [Nat]Absence check using state equation in 596 ms returned unknown
[2024-05-24 06:50:22] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2024-05-24 06:50:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:23] [INFO ] [Nat]Absence check using state equation in 593 ms returned unknown
[2024-05-24 06:50:23] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2024-05-24 06:50:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:24] [INFO ] [Nat]Absence check using state equation in 599 ms returned unknown
[2024-05-24 06:50:24] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2024-05-24 06:50:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:25] [INFO ] [Nat]Absence check using state equation in 583 ms returned unknown
[2024-05-24 06:50:25] [INFO ] [Real]Absence check using state equation in 112 ms returned sat
[2024-05-24 06:50:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:25] [INFO ] [Nat]Absence check using state equation in 580 ms returned unknown
[2024-05-24 06:50:26] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2024-05-24 06:50:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:26] [INFO ] [Nat]Absence check using state equation in 581 ms returned unknown
[2024-05-24 06:50:26] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-05-24 06:50:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:27] [INFO ] [Nat]Absence check using state equation in 561 ms returned unknown
[2024-05-24 06:50:27] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2024-05-24 06:50:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:28] [INFO ] [Nat]Absence check using state equation in 581 ms returned unknown
[2024-05-24 06:50:28] [INFO ] [Real]Absence check using state equation in 78 ms returned unsat
[2024-05-24 06:50:28] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-05-24 06:50:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:28] [INFO ] [Nat]Absence check using state equation in 565 ms returned unknown
[2024-05-24 06:50:29] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-24 06:50:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:29] [INFO ] [Nat]Absence check using state equation in 591 ms returned unknown
[2024-05-24 06:50:29] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2024-05-24 06:50:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:50:30] [INFO ] [Nat]Absence check using state equation in 567 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 62 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
[2024-05-24 06:50:30] [INFO ] Computed 0 invariants in 4 ms
[2024-05-24 06:50:30] [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 11490 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 20031 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 0/0 constraints]
After SMT, in 32084ms problems are : Problem set: 0 solved, 276 unsolved
Search for dead transitions found 0 dead transitions in 32112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32207 ms. Remains : 29/33 places, 300/312 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 06:51:02] [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 (100518 resets) in 3834 ms. (260 steps per ms)
BEST_FIRST walk for 13000013 steps (137508 resets) in 10715 ms. (1213 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]
[2024-05-24 06:51:17] [INFO ] Invariant cache hit.
[2024-05-24 06:51:17] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-24 06:51:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:21] [INFO ] [Nat]Absence check using state equation in 4562 ms returned unknown
[2024-05-24 06:51:22] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-24 06:51:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:26] [INFO ] [Nat]Absence check using state equation in 4575 ms returned unknown
[2024-05-24 06:51:26] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-24 06:51:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:31] [INFO ] [Nat]Absence check using state equation in 4574 ms returned unknown
[2024-05-24 06:51:31] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-24 06:51:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:36] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-05-24 06:51:36] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 06:51:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:40] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 06:51:40] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-24 06:51:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:45] [INFO ] [Nat]Absence check using state equation in 4573 ms returned unknown
[2024-05-24 06:51:45] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-24 06:51:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:50] [INFO ] [Nat]Absence check using state equation in 4595 ms returned unknown
[2024-05-24 06:51:50] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-24 06:51:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:54] [INFO ] [Nat]Absence check using state equation in 4567 ms returned unknown
[2024-05-24 06:51:55] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-05-24 06:51:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:51:59] [INFO ] [Nat]Absence check using state equation in 4579 ms returned unknown
[2024-05-24 06:51:59] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-24 06:51:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:52:04] [INFO ] [Nat]Absence check using state equation in 4563 ms returned unknown
[2024-05-24 06:52:04] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-24 06:52:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:52:09] [INFO ] [Nat]Absence check using state equation in 4572 ms returned unknown
[2024-05-24 06:52:09] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-24 06:52:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:52:13] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
[2024-05-24 06:52:13] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-05-24 06:52:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:52:18] [INFO ] [Nat]Absence check using state equation in 4558 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 23 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 23 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.
[2024-05-24 06:52:18] [INFO ] Invariant cache hit.
[2024-05-24 06:52:18] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-24 06:52:18] [INFO ] Invariant cache hit.
[2024-05-24 06:52:18] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 06:52:18] [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 461 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 13 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 491 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
[2024-05-24 06:52:19] [INFO ] Computed 0 invariants in 5 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 (86765 resets) in 3890 ms. (257 steps per ms)
BEST_FIRST walk for 13000012 steps (133170 resets) in 10056 ms. (1292 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]
[2024-05-24 06:52:33] [INFO ] Invariant cache hit.
[2024-05-24 06:52:33] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-05-24 06:52:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:52:42] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
[2024-05-24 06:52:42] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-24 06:52:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:52:51] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-05-24 06:52:51] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-24 06:52:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:53:00] [INFO ] [Nat]Absence check using state equation in 9072 ms returned unknown
[2024-05-24 06:53:00] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2024-05-24 06:53:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:53:09] [INFO ] [Nat]Absence check using state equation in 9068 ms returned unknown
[2024-05-24 06:53:09] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 06:53:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:53:19] [INFO ] [Nat]Absence check using state equation in 9080 ms returned unknown
[2024-05-24 06:53:19] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-05-24 06:53:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:53:28] [INFO ] [Nat]Absence check using state equation in 9065 ms returned unknown
[2024-05-24 06:53:28] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 06:53:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:53:37] [INFO ] [Nat]Absence check using state equation in 9075 ms returned unknown
[2024-05-24 06:53:37] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-24 06:53:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:53:46] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
[2024-05-24 06:53:46] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-24 06:53:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:53:55] [INFO ] [Nat]Absence check using state equation in 9075 ms returned unknown
[2024-05-24 06:53:55] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-24 06:53:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:54:04] [INFO ] [Nat]Absence check using state equation in 9073 ms returned unknown
[2024-05-24 06:54:05] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-24 06:54:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:54:14] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
[2024-05-24 06:54:14] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-24 06:54:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:54:23] [INFO ] [Nat]Absence check using state equation in 9061 ms returned unknown
[2024-05-24 06:54:23] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-24 06:54:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:54:32] [INFO ] [Nat]Absence check using state equation in 9074 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 11 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 11 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 8 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-05-24 06:54:32] [INFO ] Invariant cache hit.
[2024-05-24 06:54:32] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-24 06:54:32] [INFO ] Invariant cache hit.
[2024-05-24 06:54:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 06:54:33] [INFO ] Implicit Places using invariants and state equation in 393 ms returned []
Implicit Place search using SMT with State Equation took 446 ms to find 0 implicit places.
[2024-05-24 06:54:33] [INFO ] Redundant transitions in 31 ms returned []
Running 270 sub problems to find dead transitions.
[2024-05-24 06:54:33] [INFO ] Invariant cache hit.
[2024-05-24 06:54:33] [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 11102 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 30019 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
After SMT, in 41589ms problems are : Problem set: 0 solved, 270 unsolved
Search for dead transitions found 0 dead transitions in 41598ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42094 ms. Remains : 28/28 places, 293/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3454 resets) in 2355 ms. (16 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (293 resets) in 245 ms. (162 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (346 resets) in 285 ms. (139 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (335 resets) in 257 ms. (155 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (304 resets) in 273 ms. (146 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (350 resets) in 117 ms. (339 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (332 resets) in 144 ms. (275 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40000 steps (1376 resets) in 90 ms. (439 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (314 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (334 resets) in 113 ms. (350 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (300 resets) in 95 ms. (416 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (336 resets) in 91 ms. (434 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (331 resets) in 98 ms. (404 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (363 resets) in 104 ms. (380 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 475660 steps, run timeout after 3001 ms. (steps per millisecond=158 ) properties seen :0 out of 13
Probabilistic random walk after 475660 steps, saw 104974 distinct states, run finished after 3008 ms. (steps per millisecond=158 ) properties seen :0
[2024-05-24 06:55:19] [INFO ] Invariant cache hit.
[2024-05-24 06:55:19] [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 399 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 5005 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 5420ms 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.
[2024-05-24 06:55:24] [INFO ] Invariant cache hit.
[2024-05-24 06:55:24] [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 7820 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 28054ms problems are : Problem set: 0 solved, 270 unsolved
Search for dead transitions found 0 dead transitions in 28058ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28065 ms. Remains : 28/28 places, 293/293 transitions.
RANDOM walk for 40000 steps (3474 resets) in 385 ms. (103 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (293 resets) in 67 ms. (588 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (340 resets) in 70 ms. (563 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (335 resets) in 65 ms. (606 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (310 resets) in 72 ms. (548 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (337 resets) in 58 ms. (678 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (337 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40000 steps (1376 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (321 resets) in 95 ms. (416 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (352 resets) in 78 ms. (506 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (305 resets) in 102 ms. (388 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (318 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (331 resets) in 54 ms. (727 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (341 resets) in 52 ms. (754 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 467167 steps, run timeout after 3002 ms. (steps per millisecond=155 ) properties seen :0 out of 13
Probabilistic random walk after 467167 steps, saw 103080 distinct states, run finished after 3002 ms. (steps per millisecond=155 ) properties seen :0
[2024-05-24 06:55:56] [INFO ] Invariant cache hit.
[2024-05-24 06:55:56] [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 415 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 45009 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 45435ms 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 10 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 10 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 8 ms. Remains 28 /28 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2024-05-24 06:56:41] [INFO ] Invariant cache hit.
[2024-05-24 06:56:41] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-24 06:56:41] [INFO ] Invariant cache hit.
[2024-05-24 06:56:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 06:56:42] [INFO ] Implicit Places using invariants and state equation in 309 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
[2024-05-24 06:56:42] [INFO ] Redundant transitions in 8 ms returned []
Running 270 sub problems to find dead transitions.
[2024-05-24 06:56:42] [INFO ] Invariant cache hit.
[2024-05-24 06:56:42] [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 11215 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 30018 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
After SMT, in 41570ms problems are : Problem set: 0 solved, 270 unsolved
Search for dead transitions found 0 dead transitions in 41578ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41973 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]
[2024-05-24 06:57:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (857 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (73 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 06:57:23] [INFO ] Invariant cache hit.
[2024-05-24 06:57:23] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-05-24 06:57:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:57:25] [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.
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 18 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
[2024-05-24 06:57:25] [INFO ] Computed 0 invariants in 4 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 6343 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 20015 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/262 constraints, Known Traps: 0/0 constraints]
After SMT, in 26691ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 26697ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26717 ms. Remains : 26/28 places, 285/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 06:57:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (85665 resets) in 3645 ms. (274 steps per ms)
BEST_FIRST walk for 1000001 steps (9259 resets) in 747 ms. (1336 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 06:57:56] [INFO ] Invariant cache hit.
[2024-05-24 06:57:56] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-24 06:57:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:58:01] [INFO ] [Nat]Absence check using state equation in 4589 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 10 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 10 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 10 ms. Remains 26 /26 variables (removed 0) and now considering 285/285 (removed 0) transitions.
[2024-05-24 06:58:01] [INFO ] Invariant cache hit.
[2024-05-24 06:58:01] [INFO ] Implicit Places using invariants in 93 ms returned []
[2024-05-24 06:58:01] [INFO ] Invariant cache hit.
[2024-05-24 06:58:01] [INFO ] Implicit Places using invariants and state equation in 450 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 560 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 9 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 587 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
[2024-05-24 06:58:01] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (48566 resets) in 2866 ms. (348 steps per ms)
BEST_FIRST walk for 1000001 steps (6942 resets) in 717 ms. (1392 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 06:58:05] [INFO ] Invariant cache hit.
[2024-05-24 06:58:05] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-24 06:58:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 06:58:14] [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 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 10 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.
[2024-05-24 06:58:14] [INFO ] Invariant cache hit.
[2024-05-24 06:58:14] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-24 06:58:14] [INFO ] Invariant cache hit.
[2024-05-24 06:58:14] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 293 ms to find 0 implicit places.
[2024-05-24 06:58:14] [INFO ] Redundant transitions in 4 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 06:58:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5212 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30021 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35433ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35439ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35752 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1937 resets) in 262 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (275 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1491291 steps, run timeout after 3001 ms. (steps per millisecond=496 ) properties seen :0 out of 1
Probabilistic random walk after 1491291 steps, saw 353309 distinct states, run finished after 3001 ms. (steps per millisecond=496 ) properties seen :0
[2024-05-24 06:58:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 99 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 1128 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1234ms 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.
[2024-05-24 06:58:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5352 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 25545ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25548ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25553 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1931 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (271 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1312408 steps, run timeout after 3001 ms. (steps per millisecond=437 ) properties seen :0 out of 1
Probabilistic random walk after 1312408 steps, saw 308086 distinct states, run finished after 3001 ms. (steps per millisecond=437 ) properties seen :0
[2024-05-24 06:59:23] [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 93 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 9085 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9184ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 11 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 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 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 06:59:32] [INFO ] Invariant cache hit.
[2024-05-24 06:59:32] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-24 06:59:32] [INFO ] Invariant cache hit.
[2024-05-24 06:59:32] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
[2024-05-24 06:59:32] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 06:59:32] [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 4647 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 34952ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34957ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35302 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 164098 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
[2024-05-24 07:00:07] [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 (888 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (84 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:00:07] [INFO ] Invariant cache hit.
[2024-05-24 07:00:08] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 07:00:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:00:09] [INFO ] [Nat]Absence check using state equation in 1059 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 10 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
[2024-05-24 07:00:09] [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 5200 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 20018 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 25515ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 25527ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25538 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:00:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83689 resets) in 3087 ms. (323 steps per ms)
BEST_FIRST walk for 1000001 steps (9789 resets) in 748 ms. (1335 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:00:38] [INFO ] Invariant cache hit.
[2024-05-24 07:00:38] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 07:00:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:00:43] [INFO ] [Nat]Absence check using state equation in 4562 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 4 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 4 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.
[2024-05-24 07:00:43] [INFO ] Invariant cache hit.
[2024-05-24 07:00:43] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-24 07:00:43] [INFO ] Invariant cache hit.
[2024-05-24 07:00:43] [INFO ] Implicit Places using invariants and state equation in 444 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 518 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 5 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 526 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
[2024-05-24 07:00:44] [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 (49299 resets) in 2840 ms. (351 steps per ms)
BEST_FIRST walk for 1000001 steps (7258 resets) in 708 ms. (1410 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:00:47] [INFO ] Invariant cache hit.
[2024-05-24 07:00:47] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-24 07:00:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:00:56] [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.
[2024-05-24 07:00:56] [INFO ] Invariant cache hit.
[2024-05-24 07:00:56] [INFO ] Implicit Places using invariants in 75 ms returned []
[2024-05-24 07:00:56] [INFO ] Invariant cache hit.
[2024-05-24 07:00:57] [INFO ] Implicit Places using invariants and state equation in 380 ms returned []
Implicit Place search using SMT with State Equation took 473 ms to find 0 implicit places.
[2024-05-24 07:00:57] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:00:57] [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 6473 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 36796ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36802ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37289 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1969 resets) in 175 ms. (227 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (294 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1239662 steps, run timeout after 3001 ms. (steps per millisecond=413 ) properties seen :0 out of 1
Probabilistic random walk after 1239662 steps, saw 289070 distinct states, run finished after 3001 ms. (steps per millisecond=413 ) properties seen :0
[2024-05-24 07:01:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 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 93 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1095 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1205ms 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.
[2024-05-24 07:01:38] [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 4818 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25015ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25018ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25023 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1967 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (290 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1343203 steps, run timeout after 3001 ms. (steps per millisecond=447 ) properties seen :0 out of 1
Probabilistic random walk after 1343203 steps, saw 317056 distinct states, run finished after 3001 ms. (steps per millisecond=447 ) properties seen :0
[2024-05-24 07:02:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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) 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 9092 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9223ms 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 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:02:15] [INFO ] Invariant cache hit.
[2024-05-24 07:02:15] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-24 07:02:15] [INFO ] Invariant cache hit.
[2024-05-24 07:02:16] [INFO ] Implicit Places using invariants and state equation in 372 ms returned []
Implicit Place search using SMT with State Equation took 435 ms to find 0 implicit places.
[2024-05-24 07:02:16] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:02:16] [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 6348 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 36664ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36669ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37118 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 164940 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
[2024-05-24 07:02:52] [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 (871 resets) in 33 ms. (294 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]
[2024-05-24 07:02:52] [INFO ] Invariant cache hit.
[2024-05-24 07:02:53] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-24 07:02:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:02:54] [INFO ] [Nat]Absence check using state equation in 1076 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.4 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 24 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
[2024-05-24 07:02:54] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5118 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 25369ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25374ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25401 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:03:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49369 resets) in 2846 ms. (351 steps per ms)
BEST_FIRST walk for 1000001 steps (7288 resets) in 707 ms. (1412 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:03:23] [INFO ] Invariant cache hit.
[2024-05-24 07:03:23] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-24 07:03:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:03:32] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 7 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:03:32] [INFO ] Invariant cache hit.
[2024-05-24 07:03:32] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-24 07:03:32] [INFO ] Invariant cache hit.
[2024-05-24 07:03:32] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 306 ms to find 0 implicit places.
[2024-05-24 07:03:32] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:03:32] [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 5598 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 35791ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35794ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36118 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 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (276 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1400464 steps, run timeout after 3001 ms. (steps per millisecond=466 ) properties seen :0 out of 1
Probabilistic random walk after 1400464 steps, saw 321229 distinct states, run finished after 3002 ms. (steps per millisecond=466 ) properties seen :0
[2024-05-24 07:04:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 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 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) 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 1075 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1175ms 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.
[2024-05-24 07:04:12] [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 6055 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20019 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26379ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26385ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26391 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1962 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (291 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1363722 steps, run timeout after 3001 ms. (steps per millisecond=454 ) properties seen :0 out of 1
Probabilistic random walk after 1363722 steps, saw 311003 distinct states, run finished after 3001 ms. (steps per millisecond=454 ) properties seen :0
[2024-05-24 07:04:42] [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) 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 97 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 9097 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9201ms 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 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 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:04:51] [INFO ] Invariant cache hit.
[2024-05-24 07:04:51] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-24 07:04:51] [INFO ] Invariant cache hit.
[2024-05-24 07:04:51] [INFO ] Implicit Places using invariants and state equation in 235 ms returned []
Implicit Place search using SMT with State Equation took 290 ms to find 0 implicit places.
[2024-05-24 07:04:51] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:04:51] [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 6191 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 36387ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36390ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36691 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 155266 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
[2024-05-24 07:05:28] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (876 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (74 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:05:28] [INFO ] Invariant cache hit.
[2024-05-24 07:05:28] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2024-05-24 07:05:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:05:29] [INFO ] [Nat]Absence check using state equation in 1074 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 12 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
[2024-05-24 07:05:29] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 07:05:29] [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 10155 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
At refinement iteration 5 (OVERLAPS) 1/312 variables, 1/298 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 20014 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 0/0 constraints]
After SMT, in 30499ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 30504ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30517 ms. Remains : 27/28 places, 285/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:06:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (77332 resets) in 3271 ms. (305 steps per ms)
BEST_FIRST walk for 1000001 steps (7789 resets) in 730 ms. (1367 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:06:04] [INFO ] Invariant cache hit.
[2024-05-24 07:06:04] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-24 07:06:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:06:08] [INFO ] [Nat]Absence check using state equation in 4563 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 4 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.
[2024-05-24 07:06:08] [INFO ] Invariant cache hit.
[2024-05-24 07:06:08] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-24 07:06:08] [INFO ] Invariant cache hit.
[2024-05-24 07:06:08] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 07:06:09] [INFO ] Implicit Places using invariants and state equation in 459 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 532 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 4 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 540 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
[2024-05-24 07:06:09] [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 (46474 resets) in 3172 ms. (315 steps per ms)
BEST_FIRST walk for 1000001 steps (6165 resets) in 713 ms. (1400 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:06:13] [INFO ] Invariant cache hit.
[2024-05-24 07:06:13] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-24 07:06:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:06:18] [INFO ] [Nat]Absence check using state equation in 4575 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 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 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 07:06:18] [INFO ] Invariant cache hit.
[2024-05-24 07:06:18] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-24 07:06:18] [INFO ] Invariant cache hit.
[2024-05-24 07:06:18] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 07:06:18] [INFO ] Implicit Places using invariants and state equation in 263 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
[2024-05-24 07:06:18] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 07:06:18] [INFO ] Invariant cache hit.
[2024-05-24 07:06:18] [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 8256 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 30034 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38474ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38479ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38819 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1867 resets) in 196 ms. (203 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (254 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1419385 steps, run timeout after 3001 ms. (steps per millisecond=472 ) properties seen :0 out of 1
Probabilistic random walk after 1419385 steps, saw 313063 distinct states, run finished after 3001 ms. (steps per millisecond=472 ) properties seen :0
[2024-05-24 07:07:00] [INFO ] Invariant cache hit.
[2024-05-24 07:07:00] [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 129 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 1136 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1272ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 5 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-05-24 07:07:01] [INFO ] Invariant cache hit.
[2024-05-24 07:07:01] [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 7809 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 20079 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28070ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28076ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28081 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1859 resets) in 195 ms. (204 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (243 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1343031 steps, run timeout after 3001 ms. (steps per millisecond=447 ) properties seen :0 out of 1
Probabilistic random walk after 1343031 steps, saw 297184 distinct states, run finished after 3001 ms. (steps per millisecond=447 ) properties seen :0
[2024-05-24 07:07:32] [INFO ] Invariant cache hit.
[2024-05-24 07:07:32] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 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 9101 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9252ms 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 7 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 8 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.
[2024-05-24 07:07:41] [INFO ] Invariant cache hit.
[2024-05-24 07:07:41] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-24 07:07:41] [INFO ] Invariant cache hit.
[2024-05-24 07:07:41] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 07:07:42] [INFO ] Implicit Places using invariants and state equation in 422 ms returned []
Implicit Place search using SMT with State Equation took 484 ms to find 0 implicit places.
[2024-05-24 07:07:42] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 07:07:42] [INFO ] Invariant cache hit.
[2024-05-24 07:07:42] [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 8096 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 30018 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38414ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38420ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38920 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 172558 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
[2024-05-24 07:08:20] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (879 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (88 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:08:20] [INFO ] Invariant cache hit.
[2024-05-24 07:08:20] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2024-05-24 07:08:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:08:21] [INFO ] [Nat]Absence check using state equation in 1076 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 9 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
[2024-05-24 07:08:22] [INFO ] Computed 0 invariants in 5 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 5696 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 20015 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 26002ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 26008ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26018 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:08:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83467 resets) in 3296 ms. (303 steps per ms)
BEST_FIRST walk for 1000001 steps (9243 resets) in 750 ms. (1331 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:08:52] [INFO ] Invariant cache hit.
[2024-05-24 07:08:52] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-05-24 07:08:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:08:56] [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 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 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.
[2024-05-24 07:08:56] [INFO ] Invariant cache hit.
[2024-05-24 07:08:56] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-24 07:08:56] [INFO ] Invariant cache hit.
[2024-05-24 07:08:57] [INFO ] Implicit Places using invariants and state equation in 399 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 500 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 506 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
[2024-05-24 07:08:57] [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 (49337 resets) in 3185 ms. (313 steps per ms)
BEST_FIRST walk for 1000000 steps (7156 resets) in 1098 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:09:01] [INFO ] Invariant cache hit.
[2024-05-24 07:09:01] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-05-24 07:09:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:09:11] [INFO ] [Nat]Absence check using state equation in 9076 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:09:11] [INFO ] Invariant cache hit.
[2024-05-24 07:09:11] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-24 07:09:11] [INFO ] Invariant cache hit.
[2024-05-24 07:09:11] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2024-05-24 07:09:11] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:09:11] [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 5055 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 35368ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35374ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35730 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1966 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (280 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1362483 steps, run timeout after 3001 ms. (steps per millisecond=454 ) properties seen :0 out of 1
Probabilistic random walk after 1362483 steps, saw 319970 distinct states, run finished after 3001 ms. (steps per millisecond=454 ) properties seen :0
[2024-05-24 07:09:49] [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) 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 1101 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1212ms 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.
[2024-05-24 07:09:51] [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 5950 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26146ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26150ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26154 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1968 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (275 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1412315 steps, run timeout after 3001 ms. (steps per millisecond=470 ) properties seen :0 out of 1
Probabilistic random walk after 1412315 steps, saw 333060 distinct states, run finished after 3001 ms. (steps per millisecond=470 ) properties seen :0
[2024-05-24 07:10:20] [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) 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 100 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 9093 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9209ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:10:29] [INFO ] Invariant cache hit.
[2024-05-24 07:10:29] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-24 07:10:29] [INFO ] Invariant cache hit.
[2024-05-24 07:10:29] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
[2024-05-24 07:10:29] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:10:29] [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 4126 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30021 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34451ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34456ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34818 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 163696 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
[2024-05-24 07:11:04] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (885 resets) in 33 ms. (294 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]
[2024-05-24 07:11:04] [INFO ] Invariant cache hit.
[2024-05-24 07:11:04] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 07:11:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:11:05] [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 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
[2024-05-24 07:11:05] [INFO ] Computed 0 invariants in 9 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 6870 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 27108ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 27111ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27119 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:11:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83355 resets) in 3411 ms. (293 steps per ms)
BEST_FIRST walk for 1000001 steps (9328 resets) in 735 ms. (1358 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:11:37] [INFO ] Invariant cache hit.
[2024-05-24 07:11:37] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 07:11:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:11:41] [INFO ] [Nat]Absence check using state equation in 4555 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.
[2024-05-24 07:11:41] [INFO ] Invariant cache hit.
[2024-05-24 07:11:41] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-24 07:11:41] [INFO ] Invariant cache hit.
[2024-05-24 07:11:42] [INFO ] Implicit Places using invariants and state equation in 317 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 382 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 388 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
[2024-05-24 07:11:42] [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 (49387 resets) in 2957 ms. (338 steps per ms)
BEST_FIRST walk for 1000001 steps (7264 resets) in 708 ms. (1410 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:11:45] [INFO ] Invariant cache hit.
[2024-05-24 07:11:45] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-24 07:11:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:11:55] [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 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:11:55] [INFO ] Invariant cache hit.
[2024-05-24 07:11:55] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-24 07:11:55] [INFO ] Invariant cache hit.
[2024-05-24 07:11:55] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 332 ms to find 0 implicit places.
[2024-05-24 07:11:55] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:11:55] [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 5064 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 35400ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35404ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35749 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1968 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (287 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1392462 steps, run timeout after 3001 ms. (steps per millisecond=463 ) properties seen :0 out of 1
Probabilistic random walk after 1392462 steps, saw 331687 distinct states, run finished after 3004 ms. (steps per millisecond=463 ) properties seen :0
[2024-05-24 07:12:33] [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 94 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 1087 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1187ms 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.
[2024-05-24 07:12:35] [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 6371 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26687ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26692ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26698 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1966 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (285 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1469034 steps, run timeout after 3001 ms. (steps per millisecond=489 ) properties seen :0 out of 1
Probabilistic random walk after 1469034 steps, saw 352214 distinct states, run finished after 3005 ms. (steps per millisecond=488 ) properties seen :0
[2024-05-24 07:13:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 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 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) 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 9086 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9179ms 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 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:13:14] [INFO ] Invariant cache hit.
[2024-05-24 07:13:14] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-24 07:13:14] [INFO ] Invariant cache hit.
[2024-05-24 07:13:14] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 363 ms to find 0 implicit places.
[2024-05-24 07:13:14] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:13:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5567 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 30019 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 35765ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35768ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36141 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 165855 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
[2024-05-24 07:13:50] [INFO ] Computed 0 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (859 resets) in 31 ms. (312 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]
[2024-05-24 07:13:50] [INFO ] Invariant cache hit.
[2024-05-24 07:13:50] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-24 07:13:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:13:51] [INFO ] [Nat]Absence check using state equation in 1080 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 8 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
[2024-05-24 07:13:51] [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 6398 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 20018 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 26608ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 26611ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26619 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:14:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83992 resets) in 3451 ms. (289 steps per ms)
BEST_FIRST walk for 1000000 steps (40000 resets) in 839 ms. (1190 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:14:22] [INFO ] Invariant cache hit.
[2024-05-24 07:14:22] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 07:14:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:14:27] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 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.
[2024-05-24 07:14:27] [INFO ] Invariant cache hit.
[2024-05-24 07:14:27] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-05-24 07:14:27] [INFO ] Invariant cache hit.
[2024-05-24 07:14:27] [INFO ] Implicit Places using invariants and state equation in 348 ms returned []
Implicit Place search using SMT with State Equation took 428 ms to find 0 implicit places.
[2024-05-24 07:14:27] [INFO ] Redundant transitions in 3 ms returned []
Running 261 sub problems to find dead transitions.
[2024-05-24 07:14:27] [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 6322 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 30051 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 261/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 36700ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 36705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37145 ms. Remains : 26/26 places, 284/284 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3320 resets) in 352 ms. (113 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (1600 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1354656 steps, run timeout after 3001 ms. (steps per millisecond=451 ) properties seen :0 out of 1
Probabilistic random walk after 1354656 steps, saw 293088 distinct states, run finished after 3001 ms. (steps per millisecond=451 ) properties seen :0
[2024-05-24 07:15:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 105 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 1100 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1216ms 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.
[2024-05-24 07:15:08] [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 6311 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 26521ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 26524ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26527 ms. Remains : 26/26 places, 284/284 transitions.
RANDOM walk for 40000 steps (3299 resets) in 201 ms. (198 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (1600 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1390048 steps, run timeout after 3001 ms. (steps per millisecond=463 ) properties seen :0 out of 1
Probabilistic random walk after 1390048 steps, saw 302771 distinct states, run finished after 3001 ms. (steps per millisecond=463 ) properties seen :0
[2024-05-24 07:15:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 147 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 9130 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9304ms 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.
[2024-05-24 07:15:47] [INFO ] Invariant cache hit.
[2024-05-24 07:15:47] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-24 07:15:47] [INFO ] Invariant cache hit.
[2024-05-24 07:15:48] [INFO ] Implicit Places using invariants and state equation in 251 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
[2024-05-24 07:15:48] [INFO ] Redundant transitions in 1 ms returned []
Running 261 sub problems to find dead transitions.
[2024-05-24 07:15:48] [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 6192 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 30014 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 36414ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 36416ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36755 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 154275 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
[2024-05-24 07:16:24] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (848 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (77 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:16:24] [INFO ] Invariant cache hit.
[2024-05-24 07:16:24] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-24 07:16:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:16:25] [INFO ] [Nat]Absence check using state equation in 1072 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 7 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
[2024-05-24 07:16:25] [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 5450 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 25641ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25643ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25651 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:16:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49229 resets) in 3096 ms. (322 steps per ms)
BEST_FIRST walk for 1000001 steps (7188 resets) in 719 ms. (1388 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:16:55] [INFO ] Invariant cache hit.
[2024-05-24 07:16:55] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-24 07:16:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:17:04] [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 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:17:04] [INFO ] Invariant cache hit.
[2024-05-24 07:17:04] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-05-24 07:17:04] [INFO ] Invariant cache hit.
[2024-05-24 07:17:04] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 342 ms to find 0 implicit places.
[2024-05-24 07:17:04] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:17:04] [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 6190 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 36524ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36529ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36884 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1963 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (280 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1510858 steps, run timeout after 3001 ms. (steps per millisecond=503 ) properties seen :0 out of 1
Probabilistic random walk after 1510858 steps, saw 345364 distinct states, run finished after 3001 ms. (steps per millisecond=503 ) properties seen :0
[2024-05-24 07:17:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 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) 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 1079 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1194ms 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.
[2024-05-24 07:17:45] [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 5325 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 20018 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25528ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25532ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25536 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1973 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (279 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1363247 steps, run timeout after 3001 ms. (steps per millisecond=454 ) properties seen :0 out of 1
Probabilistic random walk after 1363247 steps, saw 309949 distinct states, run finished after 3001 ms. (steps per millisecond=454 ) properties seen :0
[2024-05-24 07:18:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 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 9099 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9231ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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.
[2024-05-24 07:18:23] [INFO ] Invariant cache hit.
[2024-05-24 07:18:23] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-24 07:18:23] [INFO ] Invariant cache hit.
[2024-05-24 07:18:24] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 408 ms to find 0 implicit places.
[2024-05-24 07:18:24] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:18:24] [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 3966 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 34160ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34162ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34581 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 153727 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
[2024-05-24 07:18:58] [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 (874 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10000 steps (85 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:18:58] [INFO ] Invariant cache hit.
[2024-05-24 07:18:58] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 07:18:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:18:59] [INFO ] [Nat]Absence check using state equation in 1087 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
[2024-05-24 07:18:59] [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 6388 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 20016 ms.
Refiners :[State Equation: 26/26 constraints, PredecessorRefiner: 0/261 constraints, Known Traps: 0/0 constraints]
After SMT, in 26601ms problems are : Problem set: 0 solved, 261 unsolved
Search for dead transitions found 0 dead transitions in 26603ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26613 ms. Remains : 26/28 places, 284/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:19:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (83587 resets) in 3663 ms. (272 steps per ms)
BEST_FIRST walk for 1000001 steps (9670 resets) in 726 ms. (1375 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:19:30] [INFO ] Invariant cache hit.
[2024-05-24 07:19:30] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 07:19:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:19:35] [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 1 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 1 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.
[2024-05-24 07:19:35] [INFO ] Invariant cache hit.
[2024-05-24 07:19:35] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-24 07:19:35] [INFO ] Invariant cache hit.
[2024-05-24 07:19:35] [INFO ] Implicit Places using invariants and state equation in 275 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 344 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 350 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
[2024-05-24 07:19:35] [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 (49545 resets) in 3186 ms. (313 steps per ms)
BEST_FIRST walk for 1000001 steps (7302 resets) in 698 ms. (1430 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:19:39] [INFO ] Invariant cache hit.
[2024-05-24 07:19:39] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-05-24 07:19:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:19:48] [INFO ] [Nat]Absence check using state equation in 9077 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.
[2024-05-24 07:19:48] [INFO ] Invariant cache hit.
[2024-05-24 07:19:48] [INFO ] Implicit Places using invariants in 81 ms returned []
[2024-05-24 07:19:48] [INFO ] Invariant cache hit.
[2024-05-24 07:19:49] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
[2024-05-24 07:19:49] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:19:49] [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 5619 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 35812ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35816ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36148 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1968 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1460890 steps, run timeout after 3001 ms. (steps per millisecond=486 ) properties seen :0 out of 1
Probabilistic random walk after 1460890 steps, saw 349821 distinct states, run finished after 3001 ms. (steps per millisecond=486 ) properties seen :0
[2024-05-24 07:20:28] [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 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) 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 1092 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1210ms 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.
[2024-05-24 07:20:29] [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 6125 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 26320ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26323ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26326 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1974 resets) in 227 ms. (175 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (296 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1398027 steps, run timeout after 3001 ms. (steps per millisecond=465 ) properties seen :0 out of 1
Probabilistic random walk after 1398027 steps, saw 332871 distinct states, run finished after 3005 ms. (steps per millisecond=465 ) properties seen :0
[2024-05-24 07:20:58] [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) 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 113 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 9129 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9265ms 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.
[2024-05-24 07:21:08] [INFO ] Invariant cache hit.
[2024-05-24 07:21:08] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-24 07:21:08] [INFO ] Invariant cache hit.
[2024-05-24 07:21:08] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
[2024-05-24 07:21:08] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:21:08] [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 5868 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 36139ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36142ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36505 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 166355 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
[2024-05-24 07:21:44] [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 (837 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10000 steps (73 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:21:44] [INFO ] Invariant cache hit.
[2024-05-24 07:21:44] [INFO ] [Real]Absence check using state equation in 114 ms returned sat
[2024-05-24 07:21:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:21:45] [INFO ] [Nat]Absence check using state equation in 1067 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 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 8 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
[2024-05-24 07:21:45] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 07:21:45] [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 9735 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 29933ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29936ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29945 ms. Remains : 26/28 places, 272/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:22:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46491 resets) in 2682 ms. (372 steps per ms)
BEST_FIRST walk for 1000001 steps (6188 resets) in 915 ms. (1091 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:22:19] [INFO ] Invariant cache hit.
[2024-05-24 07:22:19] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-24 07:22:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:22:24] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 07:22:24] [INFO ] Invariant cache hit.
[2024-05-24 07:22:24] [INFO ] Implicit Places using invariants in 133 ms returned []
[2024-05-24 07:22:24] [INFO ] Invariant cache hit.
[2024-05-24 07:22:24] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 07:22:24] [INFO ] Implicit Places using invariants and state equation in 415 ms returned []
Implicit Place search using SMT with State Equation took 559 ms to find 0 implicit places.
[2024-05-24 07:22:24] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 07:22:24] [INFO ] Invariant cache hit.
[2024-05-24 07:22:24] [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 8692 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 30012 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 39011ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 39014ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39585 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1852 resets) in 234 ms. (170 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (247 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1434417 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1434417 steps, saw 314768 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2024-05-24 07:23:07] [INFO ] Invariant cache hit.
[2024-05-24 07:23:07] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 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 1131 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1249ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-05-24 07:23:08] [INFO ] Invariant cache hit.
[2024-05-24 07:23:08] [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 6667 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 20015 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 26852ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 26855ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26860 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1864 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (248 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1383499 steps, run timeout after 3001 ms. (steps per millisecond=461 ) properties seen :0 out of 1
Probabilistic random walk after 1383499 steps, saw 303856 distinct states, run finished after 3002 ms. (steps per millisecond=460 ) properties seen :0
[2024-05-24 07:23:38] [INFO ] Invariant cache hit.
[2024-05-24 07:23:38] [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 119 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 9129 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9273ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 07:23:47] [INFO ] Invariant cache hit.
[2024-05-24 07:23:47] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-24 07:23:47] [INFO ] Invariant cache hit.
[2024-05-24 07:23:47] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 07:23:47] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
[2024-05-24 07:23:47] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 07:23:47] [INFO ] Invariant cache hit.
[2024-05-24 07:23:47] [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 9788 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40093ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40488 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 163447 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
[2024-05-24 07:24:28] [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 (843 resets) in 34 ms. (285 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]
[2024-05-24 07:24:28] [INFO ] Invariant cache hit.
[2024-05-24 07:24:28] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2024-05-24 07:24:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:24:29] [INFO ] [Nat]Absence check using state equation in 1052 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 7 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
[2024-05-24 07:24:29] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5596 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 20073 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25861ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25864ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25871 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:24:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49141 resets) in 2923 ms. (341 steps per ms)
BEST_FIRST walk for 1000001 steps (7130 resets) in 719 ms. (1388 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:24:58] [INFO ] Invariant cache hit.
[2024-05-24 07:24:59] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-05-24 07:24:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:25:08] [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 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:25:08] [INFO ] Invariant cache hit.
[2024-05-24 07:25:08] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-24 07:25:08] [INFO ] Invariant cache hit.
[2024-05-24 07:25:08] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2024-05-24 07:25:08] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:25:08] [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 5054 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 35378ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35384ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35737 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1966 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (288 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1494233 steps, run timeout after 3001 ms. (steps per millisecond=497 ) properties seen :0 out of 1
Probabilistic random walk after 1494233 steps, saw 349970 distinct states, run finished after 3002 ms. (steps per millisecond=497 ) properties seen :0
[2024-05-24 07:25:47] [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) 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 91 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 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 1112 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1226ms 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.
[2024-05-24 07:25:48] [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 6521 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26837ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26841ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26845 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1972 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1394379 steps, run timeout after 3001 ms. (steps per millisecond=464 ) properties seen :0 out of 1
Probabilistic random walk after 1394379 steps, saw 324455 distinct states, run finished after 3002 ms. (steps per millisecond=464 ) properties seen :0
[2024-05-24 07:26:18] [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) 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 133 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 9084 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9223ms 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.
[2024-05-24 07:26:27] [INFO ] Invariant cache hit.
[2024-05-24 07:26:27] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-24 07:26:27] [INFO ] Invariant cache hit.
[2024-05-24 07:26:27] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
[2024-05-24 07:26:27] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:26:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5682 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 35917ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35921ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36238 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 155606 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
[2024-05-24 07:27:03] [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 (871 resets) in 55 ms. (178 steps per ms)
BEST_FIRST walk for 10001 steps (81 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:27:03] [INFO ] Invariant cache hit.
[2024-05-24 07:27:03] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-24 07:27:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:27:04] [INFO ] [Nat]Absence check using state equation in 1069 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 10 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
[2024-05-24 07:27:04] [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 4448 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 24779ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24784ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24796 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:27:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49260 resets) in 2642 ms. (378 steps per ms)
BEST_FIRST walk for 1000001 steps (7262 resets) in 719 ms. (1388 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:27:33] [INFO ] Invariant cache hit.
[2024-05-24 07:27:33] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 07:27:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:27:42] [INFO ] [Nat]Absence check using state equation in 9072 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:27:42] [INFO ] Invariant cache hit.
[2024-05-24 07:27:42] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-24 07:27:42] [INFO ] Invariant cache hit.
[2024-05-24 07:27:42] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 331 ms to find 0 implicit places.
[2024-05-24 07:27:42] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:27:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4664 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 34905ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34908ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35252 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 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (288 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1252787 steps, run timeout after 3001 ms. (steps per millisecond=417 ) properties seen :0 out of 1
Probabilistic random walk after 1252787 steps, saw 281123 distinct states, run finished after 3001 ms. (steps per millisecond=417 ) properties seen :0
[2024-05-24 07:28:20] [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) 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 93 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 1127 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1239ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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.
[2024-05-24 07:28:22] [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 5817 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26118ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26123ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26127 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1974 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (283 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1401455 steps, run timeout after 3001 ms. (steps per millisecond=466 ) properties seen :0 out of 1
Probabilistic random walk after 1401455 steps, saw 320268 distinct states, run finished after 3001 ms. (steps per millisecond=466 ) properties seen :0
[2024-05-24 07:28:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9121 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9249ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 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.
[2024-05-24 07:29:00] [INFO ] Invariant cache hit.
[2024-05-24 07:29:00] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-24 07:29:00] [INFO ] Invariant cache hit.
[2024-05-24 07:29:00] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
[2024-05-24 07:29:00] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:29:00] [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 5481 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 35770ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35775ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36102 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 153029 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
[2024-05-24 07:29:36] [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 (882 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (85 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:29:36] [INFO ] Invariant cache hit.
[2024-05-24 07:29:36] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 07:29:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:29:37] [INFO ] [Nat]Absence check using state equation in 1073 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 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
[2024-05-24 07:29:37] [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 4642 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24844ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24847ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24857 ms. Remains : 25/28 places, 271/293 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 07:30:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49357 resets) in 2959 ms. (337 steps per ms)
BEST_FIRST walk for 1000001 steps (7143 resets) in 709 ms. (1408 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 07:30:06] [INFO ] Invariant cache hit.
[2024-05-24 07:30:06] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2024-05-24 07:30:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 07:30:15] [INFO ] [Nat]Absence check using state equation in 9069 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.
[2024-05-24 07:30:15] [INFO ] Invariant cache hit.
[2024-05-24 07:30:15] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-24 07:30:15] [INFO ] Invariant cache hit.
[2024-05-24 07:30:16] [INFO ] Implicit Places using invariants and state equation in 358 ms returned []
Implicit Place search using SMT with State Equation took 432 ms to find 0 implicit places.
[2024-05-24 07:30:16] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:30:16] [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 4350 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 34557ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34559ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35002 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 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (283 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1381418 steps, run timeout after 3001 ms. (steps per millisecond=460 ) properties seen :0 out of 1
Probabilistic random walk after 1381418 steps, saw 314565 distinct states, run finished after 3001 ms. (steps per millisecond=460 ) properties seen :0
[2024-05-24 07:30:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/280 variables, 13/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 16/296 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1081 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 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-05-24 07:30:55] [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 4184 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 24367ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24371ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24374 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1973 resets) in 176 ms. (225 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (282 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1345130 steps, run timeout after 3001 ms. (steps per millisecond=448 ) properties seen :0 out of 1
Probabilistic random walk after 1345130 steps, saw 305846 distinct states, run finished after 3001 ms. (steps per millisecond=448 ) properties seen :0
[2024-05-24 07:31:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 93 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 9188ms 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 5 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 07:31:31] [INFO ] Invariant cache hit.
[2024-05-24 07:31:31] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-24 07:31:31] [INFO ] Invariant cache hit.
[2024-05-24 07:31:32] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 318 ms to find 0 implicit places.
[2024-05-24 07:31:32] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 07:31:32] [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 5348 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 35552ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35555ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35883 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 151024 ms.
[2024-05-24 07:32:08] [INFO ] Flatten gal took : 113 ms
[2024-05-24 07:32:08] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2024-05-24 07:32:08] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 28 places, 293 transitions and 863 arcs took 10 ms.
Total runtime 2509367 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running DNAwalker-PT-14ringLRLarge
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/405/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 28
TRANSITIONS: 293
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.007s, Sys 0.001s]
SAVING FILE /home/mcc/execution/405/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 2260
MODEL NAME: /home/mcc/execution/405/model
28 places, 293 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-02 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-03 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-04 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-07 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-05 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-08 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-09 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-10 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-11 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-14 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-13 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-15 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1716535935136
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DNAwalker-PT-14ringLRLarge"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is DNAwalker-PT-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 r113-smll-171624275000477"
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 ;