About the Execution of GreatSPN+red for DNAwalker-PT-15ringRRLarge
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 690.203 | 2464197.00 | 2527949.00 | 7519.70 | 2 1 2 2 2 2 2 1 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-171624275000485.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-15ringRRLarge, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-171624275000485
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 652K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 14:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Apr 13 14:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 13 14:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 101K Apr 13 14:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 14 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 135K May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-00
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-01
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-02
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-03
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-04
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-05
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-06
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-07
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-08
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-09
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-10
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-11
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-12
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-13
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-14
FORMULA_NAME DNAwalker-PT-15ringRRLarge-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1716542374858
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-15ringRRLarge
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-24 09:19:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-24 09:19:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 09:19:37] [INFO ] Load time of PNML (sax parser for PT used): 187 ms
[2024-05-24 09:19:37] [INFO ] Transformed 33 places.
[2024-05-24 09:19:37] [INFO ] Transformed 312 transitions.
[2024-05-24 09:19:37] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 427 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 17 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-24 09:19:38] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2024-05-24 09:19:38] [INFO ] Computed 0 invariants in 21 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (758 resets) in 138 ms. (71 steps per ms)
BEST_FIRST walk for 160015 steps (891 resets) in 460 ms. (347 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-24 09:19:38] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2024-05-24 09:19:38] [INFO ] Invariant cache hit.
[2024-05-24 09:19:39] [INFO ] [Real]Absence check using state equation in 275 ms returned sat
[2024-05-24 09:19:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:40] [INFO ] [Nat]Absence check using state equation in 615 ms returned unknown
[2024-05-24 09:19:40] [INFO ] [Real]Absence check using state equation in 100 ms returned unsat
[2024-05-24 09:19:40] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2024-05-24 09:19:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:40] [INFO ] [Nat]Absence check using state equation in 599 ms returned unknown
[2024-05-24 09:19:41] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-05-24 09:19:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:41] [INFO ] [Nat]Absence check using state equation in 574 ms returned unknown
[2024-05-24 09:19:41] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2024-05-24 09:19:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:42] [INFO ] [Nat]Absence check using state equation in 610 ms returned unknown
[2024-05-24 09:19:42] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2024-05-24 09:19:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:43] [INFO ] [Nat]Absence check using state equation in 604 ms returned unknown
[2024-05-24 09:19:43] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2024-05-24 09:19:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:44] [INFO ] [Nat]Absence check using state equation in 565 ms returned unknown
[2024-05-24 09:19:44] [INFO ] [Real]Absence check using state equation in 84 ms returned unsat
[2024-05-24 09:19:44] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2024-05-24 09:19:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:44] [INFO ] [Nat]Absence check using state equation in 594 ms returned unknown
[2024-05-24 09:19:45] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2024-05-24 09:19:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:45] [INFO ] [Nat]Absence check using state equation in 599 ms returned unknown
[2024-05-24 09:19:45] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-05-24 09:19:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:46] [INFO ] [Nat]Absence check using state equation in 583 ms returned unknown
[2024-05-24 09:19:46] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-24 09:19:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:47] [INFO ] [Nat]Absence check using state equation in 562 ms returned unknown
[2024-05-24 09:19:47] [INFO ] [Real]Absence check using state equation in 52 ms returned unsat
[2024-05-24 09:19:47] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-24 09:19:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:47] [INFO ] [Nat]Absence check using state equation in 560 ms returned unknown
[2024-05-24 09:19:47] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-24 09:19:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:48] [INFO ] [Nat]Absence check using state equation in 560 ms returned unknown
[2024-05-24 09:19:48] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2024-05-24 09:19:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:19:49] [INFO ] [Nat]Absence check using state equation in 596 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, 1, +inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf]
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 312/312 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 33 transition count 304
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 32 transition count 303
Applied a total of 9 rules in 100 ms. Remains 32 /33 variables (removed 1) and now considering 303/312 (removed 9) transitions.
Running 279 sub problems to find dead transitions.
// Phase 1: matrix 303 rows 32 cols
[2024-05-24 09:19:49] [INFO ] Computed 0 invariants in 26 ms
[2024-05-24 09:19:49] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 1 (OVERLAPS) 303/330 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/330 variables, 59/86 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/330 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 4 (OVERLAPS) 5/335 variables, 5/91 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/335 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 6 (OVERLAPS) 0/335 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 279 unsolved
No progress, stopping.
After SMT solving in domain Real declared 335/335 variables, and 91 constraints, problems are : Problem set: 0 solved, 279 unsolved in 16515 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 279/279 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 279 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 1 (OVERLAPS) 303/330 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/330 variables, 59/86 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/330 variables, 279/365 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/330 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 279 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 335/335 variables, and 370 constraints, problems are : Problem set: 0 solved, 279 unsolved in 20033 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 279/279 constraints, Known Traps: 0/0 constraints]
After SMT, in 37220ms problems are : Problem set: 0 solved, 279 unsolved
Search for dead transitions found 0 dead transitions in 37260ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37397 ms. Remains : 32/33 places, 303/312 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:20:26] [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 (80590 resets) in 4005 ms. (249 steps per ms)
BEST_FIRST walk for 13000013 steps (84288 resets) in 11090 ms. (1172 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 09:20:41] [INFO ] Invariant cache hit.
[2024-05-24 09:20:42] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-24 09:20:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:20:46] [INFO ] [Nat]Absence check using state equation in 4570 ms returned unknown
[2024-05-24 09:20:46] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-24 09:20:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:20:51] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:20:51] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-24 09:20:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:20:55] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:20:56] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 09:20:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:00] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:21:00] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-24 09:21:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:05] [INFO ] [Nat]Absence check using state equation in 4561 ms returned unknown
[2024-05-24 09:21:05] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-24 09:21:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:10] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:21:10] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 09:21:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:14] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:21:14] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-24 09:21:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:19] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-05-24 09:21:19] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-24 09:21:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:24] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:21:24] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-24 09:21:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:28] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-05-24 09:21:28] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-05-24 09:21:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:33] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-05-24 09:21:33] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-24 09:21:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:38] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-05-24 09:21:38] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-05-24 09:21:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:21:42] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 303/303 transitions.
Applied a total of 0 rules in 10 ms. Remains 32 /32 variables (removed 0) and now considering 303/303 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 32/32 places, 303/303 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 303/303 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 303/303 (removed 0) transitions.
[2024-05-24 09:21:42] [INFO ] Invariant cache hit.
[2024-05-24 09:21:42] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-24 09:21:42] [INFO ] Invariant cache hit.
[2024-05-24 09:21:42] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-05-24 09:21:43] [INFO ] Implicit Places using invariants and state equation in 433 ms returned [8, 25]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 15 transitions.
Implicit Place search using SMT with State Equation took 505 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 30/32 places, 288/303 transitions.
Applied a total of 0 rules in 8 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 523 ms. Remains : 30/32 places, 288/303 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:21:43] [INFO ] Computed 0 invariants in 2 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 (59320 resets) in 3683 ms. (271 steps per ms)
BEST_FIRST walk for 13000013 steps (76130 resets) in 9652 ms. (1346 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 09:21:56] [INFO ] Invariant cache hit.
[2024-05-24 09:21:56] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 09:21:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:01] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:22:01] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-05-24 09:22:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:06] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-05-24 09:22:06] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2024-05-24 09:22:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:10] [INFO ] [Nat]Absence check using state equation in 4574 ms returned unknown
[2024-05-24 09:22:10] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-24 09:22:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:15] [INFO ] [Nat]Absence check using state equation in 4568 ms returned unknown
[2024-05-24 09:22:15] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 09:22:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:20] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-05-24 09:22:20] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-24 09:22:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:24] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
[2024-05-24 09:22:24] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 09:22:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:29] [INFO ] [Nat]Absence check using state equation in 4581 ms returned unknown
[2024-05-24 09:22:29] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 09:22:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:34] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-05-24 09:22:34] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 09:22:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:38] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
[2024-05-24 09:22:38] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 09:22:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:43] [INFO ] [Nat]Absence check using state equation in 4587 ms returned unknown
[2024-05-24 09:22:43] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-24 09:22:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:48] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-05-24 09:22:48] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-05-24 09:22:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:52] [INFO ] [Nat]Absence check using state equation in 4554 ms returned unknown
[2024-05-24 09:22:52] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-24 09:22:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:22:57] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 6 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 30/30 places, 288/288 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
[2024-05-24 09:22:57] [INFO ] Invariant cache hit.
[2024-05-24 09:22:57] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-05-24 09:22:57] [INFO ] Invariant cache hit.
[2024-05-24 09:22:57] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-05-24 09:22:57] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 312 ms to find 0 implicit places.
[2024-05-24 09:22:57] [INFO ] Redundant transitions in 19 ms returned []
Running 266 sub problems to find dead transitions.
[2024-05-24 09:22:57] [INFO ] Invariant cache hit.
[2024-05-24 09:22:57] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (OVERLAPS) 5/318 variables, 5/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 266 unsolved in 15861 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 266/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 5/318 variables, 5/355 constraints. Problems are: Problem set: 0 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 355 constraints, problems are : Problem set: 0 solved, 266 unsolved in 30017 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 46251ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 46257ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46600 ms. Remains : 30/30 places, 288/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2368 resets) in 1985 ms. (20 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (253 resets) in 272 ms. (146 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (244 resets) in 266 ms. (149 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (239 resets) in 256 ms. (155 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (223 resets) in 296 ms. (134 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (250 resets) in 171 ms. (232 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (214 resets) in 178 ms. (223 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (229 resets) in 188 ms. (211 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (236 resets) in 199 ms. (200 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (190 resets) in 158 ms. (251 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (237 resets) in 212 ms. (187 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (260 resets) in 197 ms. (202 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (209 resets) in 148 ms. (268 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (222 resets) in 120 ms. (330 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 512238 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 13
Probabilistic random walk after 512238 steps, saw 107535 distinct states, run finished after 3008 ms. (steps per millisecond=170 ) properties seen :0
[2024-05-24 09:23:48] [INFO ] Invariant cache hit.
[2024-05-24 09:23:48] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 93/318 variables, 17/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 594 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 5006 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 0/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 5615ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 8 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Running 266 sub problems to find dead transitions.
[2024-05-24 09:23:54] [INFO ] Invariant cache hit.
[2024-05-24 09:23:54] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (OVERLAPS) 5/318 variables, 5/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 266 unsolved in 13732 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 266/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 5/318 variables, 5/355 constraints. Problems are: Problem set: 0 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 355 constraints, problems are : Problem set: 0 solved, 266 unsolved in 20012 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 34088ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 34095ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34104 ms. Remains : 30/30 places, 288/288 transitions.
RANDOM walk for 40000 steps (2387 resets) in 275 ms. (144 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40001 steps (261 resets) in 63 ms. (625 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (246 resets) in 67 ms. (588 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (241 resets) in 96 ms. (412 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (225 resets) in 93 ms. (425 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (239 resets) in 91 ms. (434 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (222 resets) in 88 ms. (449 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (231 resets) in 97 ms. (408 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (239 resets) in 99 ms. (400 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (191 resets) in 65 ms. (606 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (251 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (253 resets) in 59 ms. (666 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (219 resets) in 54 ms. (727 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (224 resets) in 56 ms. (701 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 554986 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 13
Probabilistic random walk after 554986 steps, saw 115327 distinct states, run finished after 3001 ms. (steps per millisecond=184 ) properties seen :0
[2024-05-24 09:24:31] [INFO ] Invariant cache hit.
[2024-05-24 09:24:31] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 93/318 variables, 17/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 690 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 212/225 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 59/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 13 unsolved in 45008 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 0/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 45709ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 10 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 30/30 places, 288/288 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Applied a total of 0 rules in 8 ms. Remains 30 /30 variables (removed 0) and now considering 288/288 (removed 0) transitions.
[2024-05-24 09:25:17] [INFO ] Invariant cache hit.
[2024-05-24 09:25:17] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-24 09:25:17] [INFO ] Invariant cache hit.
[2024-05-24 09:25:17] [INFO ] State equation strengthened by 59 read => feed constraints.
[2024-05-24 09:25:18] [INFO ] Implicit Places using invariants and state equation in 423 ms returned []
Implicit Place search using SMT with State Equation took 479 ms to find 0 implicit places.
[2024-05-24 09:25:18] [INFO ] Redundant transitions in 7 ms returned []
Running 266 sub problems to find dead transitions.
[2024-05-24 09:25:18] [INFO ] Invariant cache hit.
[2024-05-24 09:25:18] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (OVERLAPS) 5/318 variables, 5/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (OVERLAPS) 0/318 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 318/318 variables, and 89 constraints, problems are : Problem set: 0 solved, 266 unsolved in 14804 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (OVERLAPS) 288/313 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/313 variables, 59/84 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 266/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 5/318 variables, 5/355 constraints. Problems are: Problem set: 0 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/318 variables, and 355 constraints, problems are : Problem set: 0 solved, 266 unsolved in 30011 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 45116ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 45122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45624 ms. Remains : 30/30 places, 288/288 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
[2024-05-24 09:26:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (589 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (65 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:26:03] [INFO ] Invariant cache hit.
[2024-05-24 09:26:03] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2024-05-24 09:26:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:26:04] [INFO ] [Nat]Absence check using state equation in 595 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 20 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:26:04] [INFO ] Computed 0 invariants in 6 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5850 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26160ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26165ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26187 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:26:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49499 resets) in 2926 ms. (341 steps per ms)
BEST_FIRST walk for 1000001 steps (7336 resets) in 719 ms. (1388 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:26:34] [INFO ] Invariant cache hit.
[2024-05-24 09:26:34] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-24 09:26:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:26:43] [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 6 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 09:26:43] [INFO ] Invariant cache hit.
[2024-05-24 09:26:43] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-24 09:26:43] [INFO ] Invariant cache hit.
[2024-05-24 09:26:43] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
[2024-05-24 09:26:43] [INFO ] Redundant transitions in 5 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:26:43] [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 6443 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 30057 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36819ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36824ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37213 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 231 ms. (172 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (298 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1427124 steps, run timeout after 3001 ms. (steps per millisecond=475 ) properties seen :0 out of 1
Probabilistic random walk after 1427124 steps, saw 326580 distinct states, run finished after 3001 ms. (steps per millisecond=475 ) properties seen :0
[2024-05-24 09:27:23] [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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/296 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1076 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1165ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 6 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 09:27:24] [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 6370 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 26676ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26681ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26688 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1981 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1461930 steps, run timeout after 3001 ms. (steps per millisecond=487 ) properties seen :0 out of 1
Probabilistic random walk after 1461930 steps, saw 334765 distinct states, run finished after 3001 ms. (steps per millisecond=487 ) properties seen :0
[2024-05-24 09:27:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 148/166 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 130/296 variables, 16/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 9078 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9168ms 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 09:28:03] [INFO ] Invariant cache hit.
[2024-05-24 09:28:03] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-24 09:28:03] [INFO ] Invariant cache hit.
[2024-05-24 09:28:04] [INFO ] Implicit Places using invariants and state equation in 314 ms returned []
Implicit Place search using SMT with State Equation took 372 ms to find 0 implicit places.
[2024-05-24 09:28:04] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:28:04] [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 6264 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 36548ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36553ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36939 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-00 in 157352 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:28:40] [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 (588 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10000 steps (60 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:28:40] [INFO ] Invariant cache hit.
[2024-05-24 09:28:40] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-05-24 09:28:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:28:41] [INFO ] [Nat]Absence check using state equation in 556 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 10 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:28:41] [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 6287 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26500ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26507ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26518 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:29:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49375 resets) in 3136 ms. (318 steps per ms)
BEST_FIRST walk for 1000001 steps (7174 resets) in 721 ms. (1385 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:29:11] [INFO ] Invariant cache hit.
[2024-05-24 09:29:11] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-24 09:29:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:29:21] [INFO ] [Nat]Absence check using state equation in 9075 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 10 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 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 09:29:21] [INFO ] Invariant cache hit.
[2024-05-24 09:29:21] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-24 09:29:21] [INFO ] Invariant cache hit.
[2024-05-24 09:29:21] [INFO ] Implicit Places using invariants and state equation in 257 ms returned []
Implicit Place search using SMT with State Equation took 324 ms to find 0 implicit places.
[2024-05-24 09:29:21] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:29:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 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 30010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36825ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36831ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37173 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1986 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (285 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1361852 steps, run timeout after 3001 ms. (steps per millisecond=453 ) properties seen :0 out of 1
Probabilistic random walk after 1361852 steps, saw 309610 distinct states, run finished after 3001 ms. (steps per millisecond=453 ) properties seen :0
[2024-05-24 09:30:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 128 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 1136 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1268ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-05-24 09:30:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6275 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26557ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26561ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26567 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1964 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (291 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1412063 steps, run timeout after 3001 ms. (steps per millisecond=470 ) properties seen :0 out of 1
Probabilistic random walk after 1412063 steps, saw 323047 distinct states, run finished after 3001 ms. (steps per millisecond=470 ) properties seen :0
[2024-05-24 09:30:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 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) 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 9095 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9191ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 09:30:41] [INFO ] Invariant cache hit.
[2024-05-24 09:30:41] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-24 09:30:41] [INFO ] Invariant cache hit.
[2024-05-24 09:30:41] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
[2024-05-24 09:30:41] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:30:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6487 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 30054 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36807ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36810ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37140 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-02 in 157950 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:31:18] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (589 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (63 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:31:18] [INFO ] Invariant cache hit.
[2024-05-24 09:31:18] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-05-24 09:31:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:31:19] [INFO ] [Nat]Absence check using state equation in 554 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 9 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-05-24 09:31:19] [INFO ] Computed 0 invariants in 2 ms
[2024-05-24 09:31:19] [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 8456 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 284 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20046 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28710ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28713ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28723 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:31:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46461 resets) in 2970 ms. (336 steps per ms)
BEST_FIRST walk for 1000001 steps (6207 resets) in 723 ms. (1381 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:31:51] [INFO ] Invariant cache hit.
[2024-05-24 09:31:51] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-24 09:31:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:31:56] [INFO ] [Nat]Absence check using state equation in 4582 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 5 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 5 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:31:56] [INFO ] Invariant cache hit.
[2024-05-24 09:31:56] [INFO ] Implicit Places using invariants in 85 ms returned []
[2024-05-24 09:31:56] [INFO ] Invariant cache hit.
[2024-05-24 09:31:56] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 09:31:57] [INFO ] Implicit Places using invariants and state equation in 427 ms returned []
Implicit Place search using SMT with State Equation took 514 ms to find 0 implicit places.
[2024-05-24 09:31:57] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:31:57] [INFO ] Invariant cache hit.
[2024-05-24 09:31:57] [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 10583 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 30011 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40910ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40915ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41445 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1857 resets) in 147 ms. (270 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (243 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1353371 steps, run timeout after 3001 ms. (steps per millisecond=450 ) properties seen :0 out of 1
Probabilistic random walk after 1353371 steps, saw 299363 distinct states, run finished after 3001 ms. (steps per millisecond=450 ) properties seen :0
[2024-05-24 09:32:41] [INFO ] Invariant cache hit.
[2024-05-24 09:32:41] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1093 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1199ms 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 09:32:42] [INFO ] Invariant cache hit.
[2024-05-24 09:32:42] [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 8888 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 20048 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 29114ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29120 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1856 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (248 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1418780 steps, run timeout after 3001 ms. (steps per millisecond=472 ) properties seen :0 out of 1
Probabilistic random walk after 1418780 steps, saw 312953 distinct states, run finished after 3001 ms. (steps per millisecond=472 ) properties seen :0
[2024-05-24 09:33:14] [INFO ] Invariant cache hit.
[2024-05-24 09:33:14] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9085 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 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 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 5 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:33:23] [INFO ] Invariant cache hit.
[2024-05-24 09:33:23] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-24 09:33:23] [INFO ] Invariant cache hit.
[2024-05-24 09:33:23] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 09:33:24] [INFO ] Implicit Places using invariants and state equation in 401 ms returned []
Implicit Place search using SMT with State Equation took 457 ms to find 0 implicit places.
[2024-05-24 09:33:24] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:33:24] [INFO ] Invariant cache hit.
[2024-05-24 09:33:24] [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 10644 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30013 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40971ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40976ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41446 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-03 in 166599 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:34:05] [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 (599 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (55 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:34:05] [INFO ] Invariant cache hit.
[2024-05-24 09:34:05] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-24 09:34:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:34:05] [INFO ] [Nat]Absence check using state equation in 561 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 9 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:34:05] [INFO ] Computed 0 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6143 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 26331ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26334ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26345 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:34:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49233 resets) in 2983 ms. (335 steps per ms)
BEST_FIRST walk for 1000001 steps (7203 resets) in 738 ms. (1353 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:34:36] [INFO ] Invariant cache hit.
[2024-05-24 09:34:36] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-24 09:34:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:34:45] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 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 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 09:34:45] [INFO ] Invariant cache hit.
[2024-05-24 09:34:45] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-24 09:34:45] [INFO ] Invariant cache hit.
[2024-05-24 09:34:45] [INFO ] Implicit Places using invariants and state equation in 348 ms returned []
Implicit Place search using SMT with State Equation took 405 ms to find 0 implicit places.
[2024-05-24 09:34:45] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:34:45] [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 6608 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 36936ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36941ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37361 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1960 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (287 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1477982 steps, run timeout after 3001 ms. (steps per millisecond=492 ) properties seen :0 out of 1
Probabilistic random walk after 1477982 steps, saw 338318 distinct states, run finished after 3001 ms. (steps per millisecond=492 ) properties seen :0
[2024-05-24 09:35:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1086 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1178ms 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 09:35:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6003 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 26190ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26199ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26203 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1962 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (288 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1423968 steps, run timeout after 3001 ms. (steps per millisecond=474 ) properties seen :0 out of 1
Probabilistic random walk after 1423968 steps, saw 325822 distinct states, run finished after 3001 ms. (steps per millisecond=474 ) properties seen :0
[2024-05-24 09:35:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/296 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 183/207 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9090 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9192ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 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 09:36:05] [INFO ] Invariant cache hit.
[2024-05-24 09:36:05] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-24 09:36:05] [INFO ] Invariant cache hit.
[2024-05-24 09:36:05] [INFO ] Implicit Places using invariants and state equation in 229 ms returned []
Implicit Place search using SMT with State Equation took 282 ms to find 0 implicit places.
[2024-05-24 09:36:05] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:36:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4326 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 34527ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34530ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34822 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-04 in 155025 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:36:40] [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 (599 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10000 steps (61 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:36:40] [INFO ] Invariant cache hit.
[2024-05-24 09:36:40] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-24 09:36:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:36:40] [INFO ] [Nat]Absence check using state equation in 570 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 8 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:36:40] [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 6368 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 26604ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26607ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26616 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:37:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49418 resets) in 3128 ms. (319 steps per ms)
BEST_FIRST walk for 1000001 steps (7175 resets) in 725 ms. (1377 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:37:11] [INFO ] Invariant cache hit.
[2024-05-24 09:37:11] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 09:37:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:37:20] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 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 09:37:20] [INFO ] Invariant cache hit.
[2024-05-24 09:37:20] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-24 09:37:20] [INFO ] Invariant cache hit.
[2024-05-24 09:37:21] [INFO ] Implicit Places using invariants and state equation in 325 ms returned []
Implicit Place search using SMT with State Equation took 382 ms to find 0 implicit places.
[2024-05-24 09:37:21] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:37:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6393 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 36691ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36696ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37096 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1979 resets) in 307 ms. (129 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (284 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1286165 steps, run timeout after 3001 ms. (steps per millisecond=428 ) properties seen :0 out of 1
Probabilistic random walk after 1286165 steps, saw 299965 distinct states, run finished after 3001 ms. (steps per millisecond=428 ) properties seen :0
[2024-05-24 09:38:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 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) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1086 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1183ms 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 09:38:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5196 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 25407ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25410ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25414 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1957 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (280 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1526882 steps, run timeout after 3001 ms. (steps per millisecond=508 ) properties seen :0 out of 1
Probabilistic random walk after 1526882 steps, saw 360143 distinct states, run finished after 3001 ms. (steps per millisecond=508 ) properties seen :0
[2024-05-24 09:38:30] [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 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) 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 9089 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9186ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 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 09:38:39] [INFO ] Invariant cache hit.
[2024-05-24 09:38:39] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-24 09:38:39] [INFO ] Invariant cache hit.
[2024-05-24 09:38:40] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
[2024-05-24 09:38:40] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:38:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5919 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 36108ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36111ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36431 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-05 in 156070 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:39:16] [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 (595 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (53 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:39:16] [INFO ] Invariant cache hit.
[2024-05-24 09:39:16] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2024-05-24 09:39:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:39:17] [INFO ] [Nat]Absence check using state equation in 586 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 11 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-05-24 09:39:17] [INFO ] Computed 0 invariants in 2 ms
[2024-05-24 09:39:17] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8930 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20010 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 29219ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29223ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29235 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:39:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46300 resets) in 3170 ms. (315 steps per ms)
BEST_FIRST walk for 1000000 steps (6109 resets) in 718 ms. (1390 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:39:50] [INFO ] Invariant cache hit.
[2024-05-24 09:39:50] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-05-24 09:39:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:39:54] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:39:54] [INFO ] Invariant cache hit.
[2024-05-24 09:39:55] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-24 09:39:55] [INFO ] Invariant cache hit.
[2024-05-24 09:39:55] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-24 09:39:55] [INFO ] Implicit Places using invariants and state equation in 257 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
[2024-05-24 09:39:55] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:39:55] [INFO ] Invariant cache hit.
[2024-05-24 09:39:55] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10840 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30011 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 41124ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 41127ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41461 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1858 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (238 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1402555 steps, run timeout after 3001 ms. (steps per millisecond=467 ) properties seen :0 out of 1
Probabilistic random walk after 1402555 steps, saw 310476 distinct states, run finished after 3001 ms. (steps per millisecond=467 ) properties seen :0
[2024-05-24 09:40:39] [INFO ] Invariant cache hit.
[2024-05-24 09:40:39] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 95/298 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1184ms 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 09:40:40] [INFO ] Invariant cache hit.
[2024-05-24 09:40:40] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10391 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20015 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 30591ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 30594ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30598 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1843 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (244 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1513819 steps, run timeout after 3001 ms. (steps per millisecond=504 ) properties seen :0 out of 1
Probabilistic random walk after 1513819 steps, saw 332841 distinct states, run finished after 3001 ms. (steps per millisecond=504 ) properties seen :0
[2024-05-24 09:41:14] [INFO ] Invariant cache hit.
[2024-05-24 09:41:14] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 95/298 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 178/203 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9080 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9175ms 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 6 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:41:23] [INFO ] Invariant cache hit.
[2024-05-24 09:41:23] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-24 09:41:23] [INFO ] Invariant cache hit.
[2024-05-24 09:41:23] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-05-24 09:41:23] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 327 ms to find 0 implicit places.
[2024-05-24 09:41:23] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:41:23] [INFO ] Invariant cache hit.
[2024-05-24 09:41:23] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 37 constraints, problems are : Problem set: 0 solved, 250 unsolved in 10793 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 11/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 287 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30015 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 40977ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 40980ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41322 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-06 in 168641 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:42:04] [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 (602 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (58 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:42:04] [INFO ] Invariant cache hit.
[2024-05-24 09:42:05] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 09:42:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:42:05] [INFO ] [Nat]Absence check using state equation in 554 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 10 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:42:05] [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 6347 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26665ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26669ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26680 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:42:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49372 resets) in 2929 ms. (341 steps per ms)
BEST_FIRST walk for 1000001 steps (7222 resets) in 723 ms. (1381 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:42:36] [INFO ] Invariant cache hit.
[2024-05-24 09:42:36] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-05-24 09:42:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:42:45] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 09:42:45] [INFO ] Invariant cache hit.
[2024-05-24 09:42:45] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-24 09:42:45] [INFO ] Invariant cache hit.
[2024-05-24 09:42:45] [INFO ] Implicit Places using invariants and state equation in 287 ms returned []
Implicit Place search using SMT with State Equation took 353 ms to find 0 implicit places.
[2024-05-24 09:42:45] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:42:45] [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 5813 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 36047ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36051ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36413 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 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (290 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1425460 steps, run timeout after 3001 ms. (steps per millisecond=474 ) properties seen :0 out of 1
Probabilistic random walk after 1425460 steps, saw 326174 distinct states, run finished after 3001 ms. (steps per millisecond=474 ) properties seen :0
[2024-05-24 09:43:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1091 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1189ms 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 09:43:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5649 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25848ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25851ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25855 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1979 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (295 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1375540 steps, run timeout after 3001 ms. (steps per millisecond=458 ) properties seen :0 out of 1
Probabilistic random walk after 1375540 steps, saw 312728 distinct states, run finished after 3001 ms. (steps per millisecond=458 ) properties seen :0
[2024-05-24 09:43:54] [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) 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 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) 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 9094 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9195ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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 09:44:04] [INFO ] Invariant cache hit.
[2024-05-24 09:44:04] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-24 09:44:04] [INFO ] Invariant cache hit.
[2024-05-24 09:44:04] [INFO ] Implicit Places using invariants and state equation in 274 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
[2024-05-24 09:44:04] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:44:04] [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 6549 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 36877ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36882ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37224 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-08 in 156382 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:44:41] [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 (578 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (61 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:44:41] [INFO ] Invariant cache hit.
[2024-05-24 09:44:41] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-05-24 09:44:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:44:42] [INFO ] [Nat]Absence check using state equation in 583 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 9 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:44:42] [INFO ] Computed 0 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6552 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 20028 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26872ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26877ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26888 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:45:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49407 resets) in 3080 ms. (324 steps per ms)
BEST_FIRST walk for 1000001 steps (7261 resets) in 997 ms. (1002 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:45:13] [INFO ] Invariant cache hit.
[2024-05-24 09:45:13] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-24 09:45:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:45:22] [INFO ] [Nat]Absence check using state equation in 9053 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 09:45:22] [INFO ] Invariant cache hit.
[2024-05-24 09:45:22] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-24 09:45:22] [INFO ] Invariant cache hit.
[2024-05-24 09:45:22] [INFO ] Implicit Places using invariants and state equation in 370 ms returned []
Implicit Place search using SMT with State Equation took 440 ms to find 0 implicit places.
[2024-05-24 09:45:22] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:45:22] [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 6341 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 36663ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36667ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37119 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1995 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (282 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1431727 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1431727 steps, saw 343252 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2024-05-24 09:46:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 125/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 151/171 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1078 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1171ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-05-24 09:46:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6211 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 26519ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26524ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26530 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1967 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (291 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1434097 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1434097 steps, saw 343847 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2024-05-24 09:46:33] [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 84 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 9075 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9162ms 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 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 09:46:42] [INFO ] Invariant cache hit.
[2024-05-24 09:46:42] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-24 09:46:42] [INFO ] Invariant cache hit.
[2024-05-24 09:46:42] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 291 ms to find 0 implicit places.
[2024-05-24 09:46:42] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:46:42] [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 6012 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 36311ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36314ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36613 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-09 in 157828 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:47:19] [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 (580 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10000 steps (48 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:47:19] [INFO ] Invariant cache hit.
[2024-05-24 09:47:19] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 09:47:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:47:19] [INFO ] [Nat]Absence check using state equation in 563 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 5 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-05-24 09:47:19] [INFO ] Computed 0 invariants in 9 ms
[2024-05-24 09:47:19] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8476 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20018 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28695ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28698ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28704 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:47:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (45647 resets) in 2788 ms. (358 steps per ms)
BEST_FIRST walk for 1000001 steps (6019 resets) in 937 ms. (1066 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:47:52] [INFO ] Invariant cache hit.
[2024-05-24 09:47:52] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 09:47:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:47:57] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:47:57] [INFO ] Invariant cache hit.
[2024-05-24 09:47:57] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-24 09:47:57] [INFO ] Invariant cache hit.
[2024-05-24 09:47:57] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-24 09:47:57] [INFO ] Implicit Places using invariants and state equation in 301 ms returned []
Implicit Place search using SMT with State Equation took 357 ms to find 0 implicit places.
[2024-05-24 09:47:57] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:47:57] [INFO ] Invariant cache hit.
[2024-05-24 09:47:57] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8177 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38508ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38512ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38883 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1822 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (242 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1414577 steps, run timeout after 3001 ms. (steps per millisecond=471 ) properties seen :0 out of 1
Probabilistic random walk after 1414577 steps, saw 317893 distinct states, run finished after 3006 ms. (steps per millisecond=470 ) properties seen :0
[2024-05-24 09:48:39] [INFO ] Invariant cache hit.
[2024-05-24 09:48:39] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 27/298 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 1 unsolved in 154 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/271 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 44 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1121 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1308ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-05-24 09:48:40] [INFO ] Invariant cache hit.
[2024-05-24 09:48:40] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 8637 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20012 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 28950ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 28955ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28960 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1825 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (236 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1453620 steps, run timeout after 3001 ms. (steps per millisecond=484 ) properties seen :0 out of 1
Probabilistic random walk after 1453620 steps, saw 325861 distinct states, run finished after 3002 ms. (steps per millisecond=484 ) properties seen :0
[2024-05-24 09:49:12] [INFO ] Invariant cache hit.
[2024-05-24 09:49:12] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 27/298 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 234/271 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/271 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/271 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 44 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9090 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9199ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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 09:49:21] [INFO ] Invariant cache hit.
[2024-05-24 09:49:21] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-24 09:49:21] [INFO ] Invariant cache hit.
[2024-05-24 09:49:21] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-24 09:49:22] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
[2024-05-24 09:49:22] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:49:22] [INFO ] Invariant cache hit.
[2024-05-24 09:49:22] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 43 constraints, problems are : Problem set: 0 solved, 250 unsolved in 11505 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 293 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30019 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 41756ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 41759ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42160 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-10 in 164682 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:50:03] [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 (588 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (64 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:50:03] [INFO ] Invariant cache hit.
[2024-05-24 09:50:03] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 09:50:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:50:04] [INFO ] [Nat]Absence check using state equation in 555 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 8 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:50:04] [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 6036 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26320ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26324ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26334 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:50:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49253 resets) in 2929 ms. (341 steps per ms)
BEST_FIRST walk for 1000001 steps (7273 resets) in 718 ms. (1390 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:50:34] [INFO ] Invariant cache hit.
[2024-05-24 09:50:34] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-05-24 09:50:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:50:43] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-05-24 09:50:43] [INFO ] Invariant cache hit.
[2024-05-24 09:50:43] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-24 09:50:43] [INFO ] Invariant cache hit.
[2024-05-24 09:50:44] [INFO ] Implicit Places using invariants and state equation in 369 ms returned []
Implicit Place search using SMT with State Equation took 453 ms to find 0 implicit places.
[2024-05-24 09:50:44] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:50:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5350 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 35667ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35672ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36137 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1967 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1431023 steps, run timeout after 3001 ms. (steps per millisecond=476 ) properties seen :0 out of 1
Probabilistic random walk after 1431023 steps, saw 339808 distinct states, run finished after 3001 ms. (steps per millisecond=476 ) properties seen :0
[2024-05-24 09:51:23] [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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 109/295 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 164/186 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 109/295 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1179ms 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 09:51:24] [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 6112 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20013 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26301ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26304ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26307 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1969 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (297 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1365497 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1365497 steps, saw 322372 distinct states, run finished after 3001 ms. (steps per millisecond=455 ) properties seen :0
[2024-05-24 09:51:53] [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) 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 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) 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 9094 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9196ms 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 09:52:02] [INFO ] Invariant cache hit.
[2024-05-24 09:52:02] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-24 09:52:02] [INFO ] Invariant cache hit.
[2024-05-24 09:52:03] [INFO ] Implicit Places using invariants and state equation in 356 ms returned []
Implicit Place search using SMT with State Equation took 438 ms to find 0 implicit places.
[2024-05-24 09:52:03] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:52:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6554 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36852ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36856ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37306 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-11 in 156291 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:52:40] [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 (598 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (63 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:52:40] [INFO ] Invariant cache hit.
[2024-05-24 09:52:40] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-05-24 09:52:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:52:40] [INFO ] [Nat]Absence check using state equation in 558 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 25 transition count 271
Applied a total of 17 rules in 7 ms. Remains 25 /30 variables (removed 5) and now considering 271/288 (removed 17) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-05-24 09:52:40] [INFO ] Computed 0 invariants in 0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6406 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 20052 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26645ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26648ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26656 ms. Remains : 25/30 places, 271/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:53:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49379 resets) in 2973 ms. (336 steps per ms)
BEST_FIRST walk for 1000001 steps (7208 resets) in 725 ms. (1377 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:53:11] [INFO ] Invariant cache hit.
[2024-05-24 09:53:11] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-05-24 09:53:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:53:20] [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 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 09:53:20] [INFO ] Invariant cache hit.
[2024-05-24 09:53:20] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-24 09:53:20] [INFO ] Invariant cache hit.
[2024-05-24 09:53:20] [INFO ] Implicit Places using invariants and state equation in 229 ms returned []
Implicit Place search using SMT with State Equation took 305 ms to find 0 implicit places.
[2024-05-24 09:53:20] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:53:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6567 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 36826ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36829ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37143 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1981 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (291 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1446858 steps, run timeout after 3001 ms. (steps per millisecond=482 ) properties seen :0 out of 1
Probabilistic random walk after 1446858 steps, saw 341781 distinct states, run finished after 3001 ms. (steps per millisecond=482 ) properties seen :0
[2024-05-24 09:54:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 120/295 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 120/295 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1135 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1233ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 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 09:54:01] [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 6518 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 26842ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26847ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26852 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1980 resets) in 222 ms. (179 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (275 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1300089 steps, run timeout after 3001 ms. (steps per millisecond=433 ) properties seen :0 out of 1
Probabilistic random walk after 1300089 steps, saw 303923 distinct states, run finished after 3001 ms. (steps per millisecond=433 ) properties seen :0
[2024-05-24 09:54:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 120/295 variables, 14/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/295 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/296 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 155/175 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 120/295 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/295 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9097 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9212ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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 09:54:41] [INFO ] Invariant cache hit.
[2024-05-24 09:54:41] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-24 09:54:41] [INFO ] Invariant cache hit.
[2024-05-24 09:54:41] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 304 ms to find 0 implicit places.
[2024-05-24 09:54:41] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-24 09:54:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4193 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 34395ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34398ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34714 ms. Remains : 25/25 places, 271/271 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-13 in 155733 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:55:15] [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 (597 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (51 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:55:15] [INFO ] Invariant cache hit.
[2024-05-24 09:55:15] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-05-24 09:55:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:55:16] [INFO ] [Nat]Absence check using state equation in 554 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 5 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-05-24 09:55:16] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 09:55:16] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 7758 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 288 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20051 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 27993ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 27996ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28002 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:55:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46179 resets) in 2912 ms. (343 steps per ms)
BEST_FIRST walk for 1000001 steps (6078 resets) in 761 ms. (1312 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:55:48] [INFO ] Invariant cache hit.
[2024-05-24 09:55:48] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-24 09:55:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:55:53] [INFO ] [Nat]Absence check using state equation in 4557 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 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:55:53] [INFO ] Invariant cache hit.
[2024-05-24 09:55:53] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-24 09:55:53] [INFO ] Invariant cache hit.
[2024-05-24 09:55:53] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-24 09:55:53] [INFO ] Implicit Places using invariants and state equation in 294 ms returned []
Implicit Place search using SMT with State Equation took 361 ms to find 0 implicit places.
[2024-05-24 09:55:53] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:55:53] [INFO ] Invariant cache hit.
[2024-05-24 09:55:53] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 7661 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 288 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30013 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 37872ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 37875ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38246 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1844 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (243 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1487210 steps, run timeout after 3001 ms. (steps per millisecond=495 ) properties seen :0 out of 1
Probabilistic random walk after 1487210 steps, saw 327490 distinct states, run finished after 3001 ms. (steps per millisecond=495 ) properties seen :0
[2024-05-24 09:56:34] [INFO ] Invariant cache hit.
[2024-05-24 09:56:34] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 83/298 variables, 11/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 40 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1091 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1199ms 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.
Running 250 sub problems to find dead transitions.
[2024-05-24 09:56:35] [INFO ] Invariant cache hit.
[2024-05-24 09:56:35] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 7519 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 288 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20052 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 27757ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 27759ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27762 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1829 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (237 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1491421 steps, run timeout after 3001 ms. (steps per millisecond=496 ) properties seen :0 out of 1
Probabilistic random walk after 1491421 steps, saw 328297 distinct states, run finished after 3001 ms. (steps per millisecond=496 ) properties seen :0
[2024-05-24 09:57:06] [INFO ] Invariant cache hit.
[2024-05-24 09:57:06] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 83/298 variables, 11/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 186/215 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 40 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9089 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9194ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:57:15] [INFO ] Invariant cache hit.
[2024-05-24 09:57:15] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-24 09:57:15] [INFO ] Invariant cache hit.
[2024-05-24 09:57:15] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-24 09:57:15] [INFO ] Implicit Places using invariants and state equation in 291 ms returned []
Implicit Place search using SMT with State Equation took 346 ms to find 0 implicit places.
[2024-05-24 09:57:15] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:57:16] [INFO ] Invariant cache hit.
[2024-05-24 09:57:16] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 1/298 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 0/298 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 250 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 39 constraints, problems are : Problem set: 0 solved, 250 unsolved in 7066 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 13/38 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 297/298 variables, and 288 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30047 ms.
Refiners :[State Equation: 25/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 37304ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 37307ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37662 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-14 in 157449 ms.
Starting property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 288 rows 30 cols
[2024-05-24 09:57:53] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (592 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (57 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:57:53] [INFO ] Invariant cache hit.
[2024-05-24 09:57:53] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-05-24 09:57:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:57:54] [INFO ] [Nat]Absence check using state equation in 562 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 288/288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 30 transition count 276
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 26 transition count 272
Applied a total of 16 rules in 4 ms. Remains 26 /30 variables (removed 4) and now considering 272/288 (removed 16) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-05-24 09:57:54] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 09:57:54] [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 7240 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 20014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 27456ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 27459ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27465 ms. Remains : 26/30 places, 272/288 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-05-24 09:58:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46476 resets) in 2905 ms. (344 steps per ms)
BEST_FIRST walk for 1000001 steps (6182 resets) in 754 ms. (1324 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-24 09:58:25] [INFO ] Invariant cache hit.
[2024-05-24 09:58:25] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-05-24 09:58:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 09:58:29] [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, 272/272 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
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 1 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-05-24 09:58:29] [INFO ] Invariant cache hit.
[2024-05-24 09:58:29] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-24 09:58:29] [INFO ] Invariant cache hit.
[2024-05-24 09:58:30] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 09:58:30] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 344 ms to find 0 implicit places.
[2024-05-24 09:58:30] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:58:30] [INFO ] Invariant cache hit.
[2024-05-24 09:58:30] [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 7313 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 30014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 37507ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 37510ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37863 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 236 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (243 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1321718 steps, run timeout after 3001 ms. (steps per millisecond=440 ) properties seen :0 out of 1
Probabilistic random walk after 1321718 steps, saw 290627 distinct states, run finished after 3001 ms. (steps per millisecond=440 ) properties seen :0
[2024-05-24 09:59:10] [INFO ] Invariant cache hit.
[2024-05-24 09:59:11] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/297 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/298 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1089 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1189ms 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.
Running 250 sub problems to find dead transitions.
[2024-05-24 09:59:12] [INFO ] Invariant cache hit.
[2024-05-24 09:59:12] [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 9539 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20011 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 29768ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29771ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29773 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1853 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (242 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1431925 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1431925 steps, saw 314281 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2024-05-24 09:59:45] [INFO ] Invariant cache hit.
[2024-05-24 09:59:45] [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 100 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 150/171 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 126/297 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 36 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9087 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9191ms 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 13 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 13 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 09:59:54] [INFO ] Invariant cache hit.
[2024-05-24 09:59:54] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-24 09:59:54] [INFO ] Invariant cache hit.
[2024-05-24 09:59:54] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-05-24 09:59:54] [INFO ] Implicit Places using invariants and state equation in 297 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
[2024-05-24 09:59:54] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-05-24 09:59:54] [INFO ] Invariant cache hit.
[2024-05-24 09:59:54] [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 7180 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 30009 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 37376ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 37378ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37761 ms. Remains : 26/26 places, 272/272 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-15ringRRLarge-UpperBounds-15 in 158692 ms.
[2024-05-24 10:00:32] [INFO ] Flatten gal took : 84 ms
[2024-05-24 10:00:32] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-24 10:00:32] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 30 places, 288 transitions and 833 arcs took 8 ms.
Total runtime 2454979 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running DNAwalker-PT-15ringRRLarge
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/408/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 30
TRANSITIONS: 288
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.004s]
SAVING FILE /home/mcc/execution/408/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: 2044
MODEL NAME: /home/mcc/execution/408/model
30 places, 288 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-15ringRRLarge-UpperBounds-03 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-02 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-00 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-04 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-05 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-08 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-10 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-09 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-11 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-14 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-15 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DNAwalker-PT-15ringRRLarge-UpperBounds-13 2 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1716544839055
--------------------
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-15ringRRLarge"
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-15ringRRLarge, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r113-smll-171624275000485"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-15ringRRLarge.tgz
mv DNAwalker-PT-15ringRRLarge execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;