About the Execution of LTSMin+red for DNAwalker-PT-12ringLLLarge
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 771.199 | 2475265.00 | 2530100.00 | 37614.20 | ? ? ? ? ? ? ? ? ? ? ? 1 ? 1 1 ? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r484-smll-171624276000461.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DNAwalker-PT-12ringLLLarge, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r484-smll-171624276000461
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 19 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Apr 13 13:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Apr 13 13:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Apr 13 13:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Apr 13 13:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 14 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 135K May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-00
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-01
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-02
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-03
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-04
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-05
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-06
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-07
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-08
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-09
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-10
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-11
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-12
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-13
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-14
FORMULA_NAME DNAwalker-PT-12ringLLLarge-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717303866365
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-12ringLLLarge
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-02 04:51:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-02 04:51:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-02 04:51:09] [INFO ] Load time of PNML (sax parser for PT used): 488 ms
[2024-06-02 04:51:09] [INFO ] Transformed 33 places.
[2024-06-02 04:51:09] [INFO ] Transformed 312 transitions.
[2024-06-02 04:51:09] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 661 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 1, 0, 1, 2, 1, 1, 1, 1, 1, 0, 1, 1, 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, 1, 0, 1, 2, 1, 1, 1, 1, 1, 0, 1, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 04:51:09] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2024-06-02 04:51:09] [INFO ] Computed 0 invariants in 25 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 0, 1, 2, 1, 1, 1, 1, 1, 0, 1, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (784 resets) in 90 ms. (109 steps per ms)
BEST_FIRST walk for 160014 steps (893 resets) in 270 ms. (590 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 04:51:09] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2024-06-02 04:51:09] [INFO ] Invariant cache hit.
[2024-06-02 04:51:10] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2024-06-02 04:51:10] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:10] [INFO ] [Nat]Absence check using state equation in 600 ms returned unknown
[2024-06-02 04:51:11] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2024-06-02 04:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:11] [INFO ] [Nat]Absence check using state equation in 586 ms returned unknown
[2024-06-02 04:51:11] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-06-02 04:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:12] [INFO ] [Nat]Absence check using state equation in 576 ms returned unknown
[2024-06-02 04:51:12] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-06-02 04:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:13] [INFO ] [Nat]Absence check using state equation in 584 ms returned unknown
[2024-06-02 04:51:13] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2024-06-02 04:51:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:13] [INFO ] [Nat]Absence check using state equation in 595 ms returned unknown
[2024-06-02 04:51:14] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-06-02 04:51:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:14] [INFO ] [Nat]Absence check using state equation in 570 ms returned unknown
[2024-06-02 04:51:14] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-06-02 04:51:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:15] [INFO ] [Nat]Absence check using state equation in 561 ms returned unknown
[2024-06-02 04:51:15] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-06-02 04:51:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:16] [INFO ] [Nat]Absence check using state equation in 567 ms returned unknown
[2024-06-02 04:51:16] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-06-02 04:51:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:16] [INFO ] [Nat]Absence check using state equation in 567 ms returned unknown
[2024-06-02 04:51:16] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 04:51:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:17] [INFO ] [Nat]Absence check using state equation in 568 ms returned unknown
[2024-06-02 04:51:17] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2024-06-02 04:51:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:18] [INFO ] [Nat]Absence check using state equation in 578 ms returned unknown
[2024-06-02 04:51:18] [INFO ] [Real]Absence check using state equation in 51 ms returned unsat
[2024-06-02 04:51:18] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 04:51:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:18] [INFO ] [Nat]Absence check using state equation in 561 ms returned unknown
[2024-06-02 04:51:19] [INFO ] [Real]Absence check using state equation in 65 ms returned unsat
[2024-06-02 04:51:19] [INFO ] [Real]Absence check using state equation in 44 ms returned unsat
[2024-06-02 04:51:19] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-06-02 04:51:19] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:51:19] [INFO ] [Nat]Absence check using state equation in 561 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf, 1, 1, +inf]
FORMULA DNAwalker-PT-12ringLLLarge-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-12ringLLLarge-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-12ringLLLarge-UpperBounds-11 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 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 11 place count 30 transition count 301
Applied a total of 11 rules in 656 ms. Remains 30 /33 variables (removed 3) and now considering 301/312 (removed 11) transitions.
Running 277 sub problems to find dead transitions.
// Phase 1: matrix 301 rows 30 cols
[2024-06-02 04:51:20] [INFO ] Computed 0 invariants in 6 ms
[2024-06-02 04:51:20] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (OVERLAPS) 301/328 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/328 variables, 33/60 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/328 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (OVERLAPS) 3/331 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/331 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 6 (OVERLAPS) 0/331 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 277 unsolved
No progress, stopping.
After SMT solving in domain Real declared 331/331 variables, and 63 constraints, problems are : Problem set: 0 solved, 277 unsolved in 10090 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 277 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (OVERLAPS) 301/328 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/328 variables, 33/60 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/328 variables, 277/337 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/328 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 331/331 variables, and 340 constraints, problems are : Problem set: 0 solved, 277 unsolved in 20037 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints]
After SMT, in 30657ms problems are : Problem set: 0 solved, 277 unsolved
Search for dead transitions found 0 dead transitions in 30689ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31380 ms. Remains : 30/33 places, 301/312 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 04:51:51] [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 (93543 resets) in 4674 ms. (213 steps per ms)
BEST_FIRST walk for 13000010 steps (99796 resets) in 10740 ms. (1210 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 04:52:06] [INFO ] Invariant cache hit.
[2024-06-02 04:52:06] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-06-02 04:52:06] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:11] [INFO ] [Nat]Absence check using state equation in 4565 ms returned unknown
[2024-06-02 04:52:11] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-06-02 04:52:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:16] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
[2024-06-02 04:52:16] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-06-02 04:52:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:20] [INFO ] [Nat]Absence check using state equation in 4580 ms returned unknown
[2024-06-02 04:52:20] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 04:52:20] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:25] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 04:52:25] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-06-02 04:52:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:30] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 04:52:30] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 04:52:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:34] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
[2024-06-02 04:52:34] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 04:52:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:39] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-06-02 04:52:39] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-06-02 04:52:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:44] [INFO ] [Nat]Absence check using state equation in 4555 ms returned unknown
[2024-06-02 04:52:44] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 04:52:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:48] [INFO ] [Nat]Absence check using state equation in 4559 ms returned unknown
[2024-06-02 04:52:48] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 04:52:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:53] [INFO ] [Nat]Absence check using state equation in 4560 ms returned unknown
[2024-06-02 04:52:53] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 04:52:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:52:58] [INFO ] [Nat]Absence check using state equation in 4558 ms returned unknown
[2024-06-02 04:52:58] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2024-06-02 04:52:58] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:53:02] [INFO ] [Nat]Absence check using state equation in 4557 ms returned unknown
[2024-06-02 04:53:02] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-02 04:53:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:53:07] [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, 301/301 transitions.
Applied a total of 0 rules in 11 ms. Remains 30 /30 variables (removed 0) and now considering 301/301 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 30/30 places, 301/301 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 301/301 transitions.
Applied a total of 0 rules in 10 ms. Remains 30 /30 variables (removed 0) and now considering 301/301 (removed 0) transitions.
[2024-06-02 04:53:07] [INFO ] Invariant cache hit.
[2024-06-02 04:53:07] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-06-02 04:53:07] [INFO ] Invariant cache hit.
[2024-06-02 04:53:07] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-06-02 04:53:07] [INFO ] Implicit Places using invariants and state equation in 351 ms returned [10, 24]
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 407 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 28/30 places, 286/301 transitions.
Applied a total of 0 rules in 8 ms. Remains 28 /28 variables (removed 0) and now considering 286/286 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 426 ms. Remains : 28/30 places, 286/301 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 286 rows 28 cols
[2024-06-02 04:53:08] [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 (67468 resets) in 3402 ms. (293 steps per ms)
BEST_FIRST walk for 13000012 steps (87957 resets) in 10230 ms. (1270 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-02 04:53:21] [INFO ] Invariant cache hit.
[2024-06-02 04:53:21] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 04:53:21] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:53:30] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 04:53:30] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 04:53:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:53:40] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 04:53:40] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-02 04:53:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:53:49] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 04:53:49] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 04:53:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:53:58] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
[2024-06-02 04:53:58] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 04:53:58] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:54:07] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
[2024-06-02 04:54:07] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 04:54:07] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:54:16] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
[2024-06-02 04:54:16] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 04:54:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:54:25] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
[2024-06-02 04:54:25] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-02 04:54:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:54:34] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
[2024-06-02 04:54:35] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-06-02 04:54:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:54:44] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 04:54:44] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2024-06-02 04:54:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:54:53] [INFO ] [Nat]Absence check using state equation in 9080 ms returned unknown
[2024-06-02 04:54:53] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 04:54:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:55:02] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2024-06-02 04:55:02] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 04:55:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:55:11] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
[2024-06-02 04:55:11] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 04:55:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:55:20] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 transitions.
Applied a total of 0 rules in 7 ms. Remains 28 /28 variables (removed 0) and now considering 286/286 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 28/28 places, 286/286 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 transitions.
Applied a total of 0 rules in 7 ms. Remains 28 /28 variables (removed 0) and now considering 286/286 (removed 0) transitions.
[2024-06-02 04:55:20] [INFO ] Invariant cache hit.
[2024-06-02 04:55:20] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-06-02 04:55:20] [INFO ] Invariant cache hit.
[2024-06-02 04:55:21] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-06-02 04:55:21] [INFO ] Implicit Places using invariants and state equation in 255 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
[2024-06-02 04:55:21] [INFO ] Redundant transitions in 27 ms returned []
Running 263 sub problems to find dead transitions.
[2024-06-02 04:55:21] [INFO ] Invariant cache hit.
[2024-06-02 04:55:21] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 286/311 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (OVERLAPS) 3/314 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 314/314 variables, and 61 constraints, problems are : Problem set: 0 solved, 263 unsolved in 10980 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 286/311 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 263/321 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (OVERLAPS) 3/314 variables, 3/324 constraints. Problems are: Problem set: 0 solved, 263 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 314/314 variables, and 324 constraints, problems are : Problem set: 0 solved, 263 unsolved in 30015 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
After SMT, in 41458ms problems are : Problem set: 0 solved, 263 unsolved
Search for dead transitions found 0 dead transitions in 41467ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41811 ms. Remains : 28/28 places, 286/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (2660 resets) in 1800 ms. (22 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (278 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (279 resets) in 201 ms. (198 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (313 resets) in 109 ms. (363 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (287 resets) in 110 ms. (360 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (238 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (287 resets) in 98 ms. (404 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (224 resets) in 99 ms. (400 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (279 resets) in 86 ms. (459 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (257 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (277 resets) in 110 ms. (360 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (287 resets) in 118 ms. (336 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (259 resets) in 56 ms. (701 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (256 resets) in 49 ms. (800 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 507122 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :0 out of 13
Probabilistic random walk after 507122 steps, saw 112310 distinct states, run finished after 3007 ms. (steps per millisecond=168 ) properties seen :0
[2024-06-02 04:56:07] [INFO ] Invariant cache hit.
[2024-06-02 04:56:07] [INFO ] State equation strengthened by 33 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) 226/239 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 75/314 variables, 15/61 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 314/314 variables, and 61 constraints, problems are : Problem set: 0 solved, 13 unsolved in 679 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 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) 226/239 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 314/314 variables, and 61 constraints, problems are : Problem set: 0 solved, 13 unsolved in 5007 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 0/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 5701ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 transitions.
Applied a total of 0 rules in 5 ms. Remains 28 /28 variables (removed 0) and now considering 286/286 (removed 0) transitions.
Running 263 sub problems to find dead transitions.
[2024-06-02 04:56:12] [INFO ] Invariant cache hit.
[2024-06-02 04:56:12] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 286/311 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (OVERLAPS) 3/314 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 314/314 variables, and 61 constraints, problems are : Problem set: 0 solved, 263 unsolved in 9585 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 286/311 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 263/321 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (OVERLAPS) 3/314 variables, 3/324 constraints. Problems are: Problem set: 0 solved, 263 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 314/314 variables, and 324 constraints, problems are : Problem set: 0 solved, 263 unsolved in 20011 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
After SMT, in 29825ms problems are : Problem set: 0 solved, 263 unsolved
Search for dead transitions found 0 dead transitions in 29829ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29835 ms. Remains : 28/28 places, 286/286 transitions.
RANDOM walk for 40000 steps (2675 resets) in 355 ms. (112 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (273 resets) in 59 ms. (666 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (281 resets) in 60 ms. (655 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (295 resets) in 63 ms. (625 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (289 resets) in 58 ms. (678 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (246 resets) in 58 ms. (678 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (290 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (221 resets) in 56 ms. (701 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (275 resets) in 63 ms. (625 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (251 resets) in 67 ms. (588 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (282 resets) in 60 ms. (655 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (284 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (249 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (248 resets) in 59 ms. (666 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 267626 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 13
Probabilistic random walk after 267626 steps, saw 61926 distinct states, run finished after 3002 ms. (steps per millisecond=89 ) properties seen :0
[2024-06-02 04:56:46] [INFO ] Invariant cache hit.
[2024-06-02 04:56:46] [INFO ] State equation strengthened by 33 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) 226/239 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 75/314 variables, 15/61 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 314/314 variables, and 61 constraints, problems are : Problem set: 0 solved, 13 unsolved in 759 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 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) 226/239 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 314/314 variables, and 61 constraints, problems are : Problem set: 0 solved, 13 unsolved in 45009 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 0/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 45808ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 transitions.
Applied a total of 0 rules in 6 ms. Remains 28 /28 variables (removed 0) and now considering 286/286 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 28/28 places, 286/286 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 transitions.
Applied a total of 0 rules in 5 ms. Remains 28 /28 variables (removed 0) and now considering 286/286 (removed 0) transitions.
[2024-06-02 04:57:31] [INFO ] Invariant cache hit.
[2024-06-02 04:57:31] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-02 04:57:31] [INFO ] Invariant cache hit.
[2024-06-02 04:57:32] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-06-02 04:57:32] [INFO ] Implicit Places using invariants and state equation in 265 ms returned []
Implicit Place search using SMT with State Equation took 313 ms to find 0 implicit places.
[2024-06-02 04:57:32] [INFO ] Redundant transitions in 5 ms returned []
Running 263 sub problems to find dead transitions.
[2024-06-02 04:57:32] [INFO ] Invariant cache hit.
[2024-06-02 04:57:32] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 286/311 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (OVERLAPS) 3/314 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 0/314 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 314/314 variables, and 61 constraints, problems are : Problem set: 0 solved, 263 unsolved in 10067 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 286/311 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 263/321 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (OVERLAPS) 3/314 variables, 3/324 constraints. Problems are: Problem set: 0 solved, 263 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 314/314 variables, and 324 constraints, problems are : Problem set: 0 solved, 263 unsolved in 30011 ms.
Refiners :[State Equation: 28/28 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
After SMT, in 40271ms problems are : Problem set: 0 solved, 263 unsolved
Search for dead transitions found 0 dead transitions in 40275ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40604 ms. Remains : 28/28 places, 286/286 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-12ringLLLarge-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]
[2024-06-02 04:58:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (686 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (70 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 04:58:12] [INFO ] Invariant cache hit.
[2024-06-02 04:58:12] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 04:58:12] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:58:13] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 10 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 04:58:13] [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 4051 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20019 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 24259ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24262ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24275 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 04:58:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49382 resets) in 2978 ms. (335 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]
[2024-06-02 04:58:41] [INFO ] Invariant cache hit.
[2024-06-02 04:58:41] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-02 04:58:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 04:58:50] [INFO ] [Nat]Absence check using state equation in 9061 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 7 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 7 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 9 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 04:58:51] [INFO ] Invariant cache hit.
[2024-06-02 04:58:51] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-06-02 04:58:51] [INFO ] Invariant cache hit.
[2024-06-02 04:58:51] [INFO ] Implicit Places using invariants and state equation in 233 ms returned []
Implicit Place search using SMT with State Equation took 304 ms to find 0 implicit places.
[2024-06-02 04:58:51] [INFO ] Redundant transitions in 6 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 04:58:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4180 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 34363ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34366ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34696 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1973 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (283 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1562936 steps, run timeout after 3001 ms. (steps per millisecond=520 ) properties seen :0 out of 1
Probabilistic random walk after 1562936 steps, saw 372583 distinct states, run finished after 3001 ms. (steps per millisecond=520 ) properties seen :0
[2024-06-02 04:59:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 112 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 1083 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 04:59:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4542 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 24744ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24747ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24752 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1983 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (288 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1325887 steps, run timeout after 3001 ms. (steps per millisecond=441 ) properties seen :0 out of 1
Probabilistic random walk after 1325887 steps, saw 312727 distinct states, run finished after 3001 ms. (steps per millisecond=441 ) properties seen :0
[2024-06-02 04:59:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 121 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 9122 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9252ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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 7 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:00:07] [INFO ] Invariant cache hit.
[2024-06-02 05:00:07] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-06-02 05:00:07] [INFO ] Invariant cache hit.
[2024-06-02 05:00:07] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 435 ms to find 0 implicit places.
[2024-06-02 05:00:07] [INFO ] Redundant transitions in 9 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:00:07] [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 5974 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 30018 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36296ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36302ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36761 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-12ringLLLarge-UpperBounds-00 in 151392 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 286 rows 28 cols
[2024-06-02 05:00:43] [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 (662 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (70 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:00:43] [INFO ] Invariant cache hit.
[2024-06-02 05:00:44] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 05:00:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:00:45] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 11 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:00:45] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5382 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25582ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25590ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25602 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:01:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49307 resets) in 2748 ms. (363 steps per ms)
BEST_FIRST walk for 1000001 steps (7247 resets) in 725 ms. (1377 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:01:14] [INFO ] Invariant cache hit.
[2024-06-02 05:01:14] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-02 05:01:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:01:23] [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 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.
[2024-06-02 05:01:23] [INFO ] Invariant cache hit.
[2024-06-02 05:01:23] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-02 05:01:23] [INFO ] Invariant cache hit.
[2024-06-02 05:01:23] [INFO ] Implicit Places using invariants and state equation in 304 ms returned []
Implicit Place search using SMT with State Equation took 372 ms to find 0 implicit places.
[2024-06-02 05:01:23] [INFO ] Redundant transitions in 4 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:01:23] [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 5635 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 35955ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35960ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36349 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1982 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (282 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1604079 steps, run timeout after 3001 ms. (steps per millisecond=534 ) properties seen :0 out of 1
Probabilistic random walk after 1604079 steps, saw 369435 distinct states, run finished after 3001 ms. (steps per millisecond=534 ) properties seen :0
[2024-06-02 05:02:02] [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) 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 134 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 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 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:02:04] [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 4505 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 24691ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24695ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24699 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1962 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (284 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1391660 steps, run timeout after 3001 ms. (steps per millisecond=463 ) properties seen :0 out of 1
Probabilistic random walk after 1391660 steps, saw 317534 distinct states, run finished after 3001 ms. (steps per millisecond=463 ) properties seen :0
[2024-06-02 05:02:31] [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) 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 88 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 9096 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9189ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 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.
[2024-06-02 05:02:41] [INFO ] Invariant cache hit.
[2024-06-02 05:02:41] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-06-02 05:02:41] [INFO ] Invariant cache hit.
[2024-06-02 05:02:41] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 311 ms to find 0 implicit places.
[2024-06-02 05:02:41] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:02:41] [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 3950 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 34142ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34147ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34470 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-12ringLLLarge-UpperBounds-01 in 151726 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-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 286 rows 28 cols
[2024-06-02 05:03:15] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (652 resets) in 52 ms. (188 steps per ms)
BEST_FIRST walk for 10001 steps (72 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:03:15] [INFO ] Invariant cache hit.
[2024-06-02 05:03:15] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-06-02 05:03:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:03:16] [INFO ] [Nat]Absence check using state equation in 1074 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 16 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:03:17] [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 4504 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 24862ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24867ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24884 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:03:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49337 resets) in 2938 ms. (340 steps per ms)
BEST_FIRST walk for 1000001 steps (7152 resets) in 729 ms. (1369 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:03:45] [INFO ] Invariant cache hit.
[2024-06-02 05:03:45] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 05:03:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:03:54] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:03:54] [INFO ] Invariant cache hit.
[2024-06-02 05:03:54] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-06-02 05:03:54] [INFO ] Invariant cache hit.
[2024-06-02 05:03:55] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
[2024-06-02 05:03:55] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:03:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4711 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 34976ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 34979ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35299 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1972 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (286 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1363142 steps, run timeout after 3001 ms. (steps per millisecond=454 ) properties seen :0 out of 1
Probabilistic random walk after 1363142 steps, saw 309928 distinct states, run finished after 3001 ms. (steps per millisecond=454 ) properties seen :0
[2024-06-02 05:04:33] [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) 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 136 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 1089 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1232ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:04:34] [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 4272 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 24461ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 24465ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24469 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1958 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (287 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1501311 steps, run timeout after 3001 ms. (steps per millisecond=500 ) properties seen :0 out of 1
Probabilistic random walk after 1501311 steps, saw 343312 distinct states, run finished after 3001 ms. (steps per millisecond=500 ) properties seen :0
[2024-06-02 05:05:01] [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 89 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 117/133 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 147/280 variables, 13/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/280 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9102 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 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 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 6 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:05:11] [INFO ] Invariant cache hit.
[2024-06-02 05:05:11] [INFO ] Implicit Places using invariants in 90 ms returned []
[2024-06-02 05:05:11] [INFO ] Invariant cache hit.
[2024-06-02 05:05:11] [INFO ] Implicit Places using invariants and state equation in 389 ms returned []
Implicit Place search using SMT with State Equation took 482 ms to find 0 implicit places.
[2024-06-02 05:05:11] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:05:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6156 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 36476ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36482ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36980 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-12ringLLLarge-UpperBounds-02 in 152494 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 286 rows 28 cols
[2024-06-02 05:05:48] [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 (671 resets) in 44 ms. (222 steps per ms)
BEST_FIRST walk for 10000 steps (73 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:05:48] [INFO ] Invariant cache hit.
[2024-06-02 05:05:48] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-06-02 05:05:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:05:49] [INFO ] [Nat]Absence check using state equation in 1075 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 8 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:05:49] [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 6634 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 26828ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26831ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26841 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:06:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49395 resets) in 2762 ms. (361 steps per ms)
BEST_FIRST walk for 1000001 steps (7209 resets) in 910 ms. (1097 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:06:20] [INFO ] Invariant cache hit.
[2024-06-02 05:06:20] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 05:06:20] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:06:29] [INFO ] [Nat]Absence check using state equation in 9079 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 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 6 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:06:29] [INFO ] Invariant cache hit.
[2024-06-02 05:06:29] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-06-02 05:06:29] [INFO ] Invariant cache hit.
[2024-06-02 05:06:29] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 293 ms to find 0 implicit places.
[2024-06-02 05:06:29] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:06:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6231 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36474ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36482ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36788 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 144 ms. (275 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (292 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1395216 steps, run timeout after 3001 ms. (steps per millisecond=464 ) properties seen :0 out of 1
Probabilistic random walk after 1395216 steps, saw 327984 distinct states, run finished after 3001 ms. (steps per millisecond=464 ) properties seen :0
[2024-06-02 05:07:09] [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 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) 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 1084 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:07:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6290 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 20055 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26527ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26530ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26534 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1969 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (288 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1274988 steps, run timeout after 3001 ms. (steps per millisecond=424 ) properties seen :0 out of 1
Probabilistic random walk after 1274988 steps, saw 296604 distinct states, run finished after 3001 ms. (steps per millisecond=424 ) properties seen :0
[2024-06-02 05:07:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 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) 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 9085 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9180ms 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.
[2024-06-02 05:07:49] [INFO ] Invariant cache hit.
[2024-06-02 05:07:49] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-06-02 05:07:49] [INFO ] Invariant cache hit.
[2024-06-02 05:07:49] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2024-06-02 05:07:49] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:07:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5657 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 35840ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 35843ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36138 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-12ringLLLarge-UpperBounds-03 in 157143 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-UpperBounds-04
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 286 rows 28 cols
[2024-06-02 05:08:25] [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 (681 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (61 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:08:25] [INFO ] Invariant cache hit.
[2024-06-02 05:08:25] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 05:08:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:08:26] [INFO ] [Nat]Absence check using state equation in 1057 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 26 transition count 272
Applied a total of 14 rules in 8 ms. Remains 26 /28 variables (removed 2) and now considering 272/286 (removed 14) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 05:08:26] [INFO ] Computed 0 invariants in 2 ms
[2024-06-02 05:08:26] [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 10855 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
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/289 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 289 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20010 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 31114ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 31117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31126 ms. Remains : 26/28 places, 272/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:08:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46033 resets) in 3159 ms. (316 steps per ms)
BEST_FIRST walk for 1000001 steps (6082 resets) in 714 ms. (1398 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:09:01] [INFO ] Invariant cache hit.
[2024-06-02 05:09:01] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 05:09:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:09:06] [INFO ] [Nat]Absence check using state equation in 4550 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 05:09:06] [INFO ] Invariant cache hit.
[2024-06-02 05:09:06] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-06-02 05:09:06] [INFO ] Invariant cache hit.
[2024-06-02 05:09:06] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-02 05:09:06] [INFO ] Implicit Places using invariants and state equation in 342 ms returned []
Implicit Place search using SMT with State Equation took 403 ms to find 0 implicit places.
[2024-06-02 05:09:06] [INFO ] Redundant transitions in 3 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 05:09:06] [INFO ] Invariant cache hit.
[2024-06-02 05:09:06] [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 9317 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
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/289 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 289 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30011 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 39613ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 39618ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40034 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1838 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (239 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1544028 steps, run timeout after 3001 ms. (steps per millisecond=514 ) properties seen :0 out of 1
Probabilistic random walk after 1544028 steps, saw 343821 distinct states, run finished after 3001 ms. (steps per millisecond=514 ) properties seen :0
[2024-06-02 05:09:49] [INFO ] Invariant cache hit.
[2024-06-02 05:09:49] [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 98 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 1086 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 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 4 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Running 250 sub problems to find dead transitions.
[2024-06-02 05:09:50] [INFO ] Invariant cache hit.
[2024-06-02 05:09:50] [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 9906 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
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/289 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 289 constraints, problems are : Problem set: 0 solved, 250 unsolved in 20015 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 30230ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 30235ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30240 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1835 resets) in 136 ms. (291 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (242 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1501190 steps, run timeout after 3001 ms. (steps per millisecond=500 ) properties seen :0 out of 1
Probabilistic random walk after 1501190 steps, saw 334309 distinct states, run finished after 3001 ms. (steps per millisecond=500 ) properties seen :0
[2024-06-02 05:10:23] [INFO ] Invariant cache hit.
[2024-06-02 05:10:23] [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 133 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 9122 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9263ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 7 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 05:10:33] [INFO ] Invariant cache hit.
[2024-06-02 05:10:33] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-06-02 05:10:33] [INFO ] Invariant cache hit.
[2024-06-02 05:10:33] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-02 05:10:33] [INFO ] Implicit Places using invariants and state equation in 293 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
[2024-06-02 05:10:33] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 05:10:33] [INFO ] Invariant cache hit.
[2024-06-02 05:10:33] [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 6954 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
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/289 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 289 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30010 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 37152ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 37155ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37522 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-12ringLLLarge-UpperBounds-04 in 165444 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-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 286 rows 28 cols
[2024-06-02 05:11:10] [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 (666 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (71 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:11:10] [INFO ] Invariant cache hit.
[2024-06-02 05:11:10] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 05:11:10] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:11:11] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 8 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:11:11] [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 6261 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 26456ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26460ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26468 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:11:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49490 resets) in 3004 ms. (332 steps per ms)
BEST_FIRST walk for 1000001 steps (7353 resets) in 710 ms. (1406 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:11:42] [INFO ] Invariant cache hit.
[2024-06-02 05:11:42] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 05:11:42] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:11:51] [INFO ] [Nat]Absence check using state equation in 9048 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:11:51] [INFO ] Invariant cache hit.
[2024-06-02 05:11:51] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-06-02 05:11:51] [INFO ] Invariant cache hit.
[2024-06-02 05:11:51] [INFO ] Implicit Places using invariants and state equation in 253 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
[2024-06-02 05:11:51] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:11:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6214 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30014 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36537ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36542ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36875 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1980 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (299 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1521747 steps, run timeout after 3001 ms. (steps per millisecond=507 ) properties seen :0 out of 1
Probabilistic random walk after 1521747 steps, saw 348490 distinct states, run finished after 3001 ms. (steps per millisecond=507 ) properties seen :0
[2024-06-02 05:12:31] [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) 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 87 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 1077 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:12:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5538 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20009 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25842ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25847ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25852 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1988 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (294 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1265055 steps, run timeout after 3001 ms. (steps per millisecond=421 ) properties seen :0 out of 1
Probabilistic random walk after 1265055 steps, saw 284947 distinct states, run finished after 3001 ms. (steps per millisecond=421 ) properties seen :0
[2024-06-02 05:13:01] [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) 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 83 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 9076 ms.
Refiners :[State Equation: 25/25 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:13:10] [INFO ] Invariant cache hit.
[2024-06-02 05:13:10] [INFO ] Implicit Places using invariants in 88 ms returned []
[2024-06-02 05:13:10] [INFO ] Invariant cache hit.
[2024-06-02 05:13:11] [INFO ] Implicit Places using invariants and state equation in 366 ms returned []
Implicit Place search using SMT with State Equation took 456 ms to find 0 implicit places.
[2024-06-02 05:13:11] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:13:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6466 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 36777ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36781ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37249 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-12ringLLLarge-UpperBounds-05 in 157155 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2] Max Struct:[+inf]
// Phase 1: matrix 286 rows 28 cols
[2024-06-02 05:13:47] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 10000 steps (665 resets) in 30 ms. (322 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]
[2024-06-02 05:13:47] [INFO ] Invariant cache hit.
[2024-06-02 05:13:48] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 05:13:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:13:49] [INFO ] [Nat]Absence check using state equation in 1056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 6 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 248 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:13:49] [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, 248 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 248 unsolved in 5822 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 248 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 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, 248 unsolved in 20016 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/248 constraints, Known Traps: 0/0 constraints]
After SMT, in 26013ms problems are : Problem set: 0 solved, 248 unsolved
Search for dead transitions found 0 dead transitions in 26017ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26023 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:14:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (48516 resets) in 3146 ms. (317 steps per ms)
BEST_FIRST walk for 1000001 steps (6893 resets) in 789 ms. (1265 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:14:19] [INFO ] Invariant cache hit.
[2024-06-02 05:14:19] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 05:14:19] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:14:28] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:14:28] [INFO ] Invariant cache hit.
[2024-06-02 05:14:28] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-06-02 05:14:28] [INFO ] Invariant cache hit.
[2024-06-02 05:14:28] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
[2024-06-02 05:14:28] [INFO ] Redundant transitions in 3 ms returned []
Running 248 sub problems to find dead transitions.
[2024-06-02 05:14:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 248 unsolved in 6379 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 248 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 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, 248 unsolved in 30012 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/248 constraints, Known Traps: 0/0 constraints]
After SMT, in 36698ms problems are : Problem set: 0 solved, 248 unsolved
Search for dead transitions found 0 dead transitions in 36703ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37019 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1923 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (273 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1479859 steps, run timeout after 3001 ms. (steps per millisecond=493 ) properties seen :0 out of 1
Probabilistic random walk after 1479859 steps, saw 338687 distinct states, run finished after 3001 ms. (steps per millisecond=493 ) properties seen :0
[2024-06-02 05:15:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 248/294 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/296 variables, 2/25 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) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 248/294 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 0/24 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 1104 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1194ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 248 sub problems to find dead transitions.
[2024-06-02 05:15:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 248 unsolved in 6288 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 248 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 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, 248 unsolved in 20010 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/248 constraints, Known Traps: 0/0 constraints]
After SMT, in 26487ms problems are : Problem set: 0 solved, 248 unsolved
Search for dead transitions found 0 dead transitions in 26490ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26493 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1934 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (281 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1564863 steps, run timeout after 3001 ms. (steps per millisecond=521 ) properties seen :0 out of 1
Probabilistic random walk after 1564863 steps, saw 360053 distinct states, run finished after 3001 ms. (steps per millisecond=521 ) properties seen :0
[2024-06-02 05:15:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 248/294 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/296 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 248/294 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 0/24 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 9096 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:15:48] [INFO ] Invariant cache hit.
[2024-06-02 05:15:48] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-06-02 05:15:48] [INFO ] Invariant cache hit.
[2024-06-02 05:15:48] [INFO ] Implicit Places using invariants and state equation in 309 ms returned []
Implicit Place search using SMT with State Equation took 378 ms to find 0 implicit places.
[2024-06-02 05:15:48] [INFO ] Redundant transitions in 3 ms returned []
Running 248 sub problems to find dead transitions.
[2024-06-02 05:15:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 248 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 248 unsolved in 6480 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 248 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 248 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, 248 unsolved in 30020 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/248 constraints, Known Traps: 0/0 constraints]
After SMT, in 36829ms problems are : Problem set: 0 solved, 248 unsolved
Search for dead transitions found 0 dead transitions in 36834ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37226 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-12ringLLLarge-UpperBounds-06 in 157799 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 286 rows 28 cols
[2024-06-02 05:16:25] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (661 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10000 steps (65 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:16:25] [INFO ] Invariant cache hit.
[2024-06-02 05:16:25] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 05:16:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:16:26] [INFO ] [Nat]Absence check using state equation in 1053 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 6 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:16:26] [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 5279 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 25483ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25486ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25492 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:16:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49353 resets) in 2956 ms. (338 steps per ms)
BEST_FIRST walk for 1000000 steps (7245 resets) in 722 ms. (1383 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:16:56] [INFO ] Invariant cache hit.
[2024-06-02 05:16:56] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-02 05:16:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:17:05] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:17:05] [INFO ] Invariant cache hit.
[2024-06-02 05:17:05] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 05:17:05] [INFO ] Invariant cache hit.
[2024-06-02 05:17:05] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
[2024-06-02 05:17:05] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:17:05] [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 6508 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 30011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36811ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36814ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37122 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1959 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1268501 steps, run timeout after 3001 ms. (steps per millisecond=422 ) properties seen :0 out of 1
Probabilistic random walk after 1268501 steps, saw 293870 distinct states, run finished after 3001 ms. (steps per millisecond=422 ) properties seen :0
[2024-06-02 05:17:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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) 149/169 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 126/295 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 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) 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) 149/169 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/295 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 1088 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1185ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:17:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6453 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 26762ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26767ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26771 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1979 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (291 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1554971 steps, run timeout after 3001 ms. (steps per millisecond=518 ) properties seen :0 out of 1
Probabilistic random walk after 1554971 steps, saw 367413 distinct states, run finished after 3001 ms. (steps per millisecond=518 ) properties seen :0
[2024-06-02 05:18:16] [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) 149/169 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 126/295 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 110 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) 149/169 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 126/295 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 9125 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9243ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:18:25] [INFO ] Invariant cache hit.
[2024-06-02 05:18:25] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-06-02 05:18:25] [INFO ] Invariant cache hit.
[2024-06-02 05:18:26] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
[2024-06-02 05:18:26] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:18:26] [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 6483 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 36788ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36792ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37126 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-12ringLLLarge-UpperBounds-07 in 157267 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-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 286 rows 28 cols
[2024-06-02 05:19:02] [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 (658 resets) in 33 ms. (294 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]
[2024-06-02 05:19:03] [INFO ] Invariant cache hit.
[2024-06-02 05:19:03] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-06-02 05:19:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:19:04] [INFO ] [Nat]Absence check using state equation in 1073 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 6 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:19:04] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 5661 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 25846ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25849ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25856 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:19:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (48950 resets) in 3131 ms. (319 steps per ms)
BEST_FIRST walk for 1000001 steps (7020 resets) in 726 ms. (1375 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:19:33] [INFO ] Invariant cache hit.
[2024-06-02 05:19:34] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-02 05:19:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:19:43] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:19:43] [INFO ] Invariant cache hit.
[2024-06-02 05:19:43] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 05:19:43] [INFO ] Invariant cache hit.
[2024-06-02 05:19:43] [INFO ] Implicit Places using invariants and state equation in 254 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
[2024-06-02 05:19:43] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:19:43] [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 6032 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 36234ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36237ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36566 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1949 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (274 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1502782 steps, run timeout after 3001 ms. (steps per millisecond=500 ) properties seen :0 out of 1
Probabilistic random walk after 1502782 steps, saw 353694 distinct states, run finished after 3001 ms. (steps per millisecond=500 ) properties seen :0
[2024-06-02 05:20:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 185/213 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 83/296 variables, 11/25 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) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 185/213 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 0/15 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 1169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:20:24] [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 6203 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26505ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26509ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26514 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1950 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (279 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1554619 steps, run timeout after 3001 ms. (steps per millisecond=518 ) properties seen :0 out of 1
Probabilistic random walk after 1554619 steps, saw 367061 distinct states, run finished after 3001 ms. (steps per millisecond=518 ) properties seen :0
[2024-06-02 05:20:53] [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) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 185/213 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 83/296 variables, 11/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 185/213 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 0/15 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 9106 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9224ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:21:02] [INFO ] Invariant cache hit.
[2024-06-02 05:21:02] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-06-02 05:21:02] [INFO ] Invariant cache hit.
[2024-06-02 05:21:03] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
[2024-06-02 05:21:03] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:21:03] [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 5966 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 36154ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36157ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36443 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-12ringLLLarge-UpperBounds-08 in 156327 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-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 286 rows 28 cols
[2024-06-02 05:21:39] [INFO ] Computed 0 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (685 resets) in 31 ms. (312 steps per ms)
BEST_FIRST walk for 10001 steps (72 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:21:39] [INFO ] Invariant cache hit.
[2024-06-02 05:21:39] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 05:21:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:21:40] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 4 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:21:40] [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 5485 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 25691ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 25694ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25699 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:22:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49315 resets) in 2735 ms. (365 steps per ms)
BEST_FIRST walk for 1000001 steps (7260 resets) in 728 ms. (1371 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:22:09] [INFO ] Invariant cache hit.
[2024-06-02 05:22:09] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-02 05:22:09] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:22:18] [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.
[2024-06-02 05:22:18] [INFO ] Invariant cache hit.
[2024-06-02 05:22:18] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-06-02 05:22:18] [INFO ] Invariant cache hit.
[2024-06-02 05:22:19] [INFO ] Implicit Places using invariants and state equation in 283 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
[2024-06-02 05:22:19] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:22:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6194 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 30048 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36562ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36566ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36920 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1982 resets) in 145 ms. (273 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (286 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1375379 steps, run timeout after 3001 ms. (steps per millisecond=458 ) properties seen :0 out of 1
Probabilistic random walk after 1375379 steps, saw 313965 distinct states, run finished after 3001 ms. (steps per millisecond=458 ) properties seen :0
[2024-06-02 05:22:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/177 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1073 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 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:23:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6425 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 26644ms 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 26651 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1970 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (297 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1472254 steps, run timeout after 3001 ms. (steps per millisecond=490 ) properties seen :0 out of 1
Probabilistic random walk after 1472254 steps, saw 339456 distinct states, run finished after 3001 ms. (steps per millisecond=490 ) properties seen :0
[2024-06-02 05:23:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/296 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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) 157/177 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/177 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 26 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:23:39] [INFO ] Invariant cache hit.
[2024-06-02 05:23:39] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-02 05:23:39] [INFO ] Invariant cache hit.
[2024-06-02 05:23:39] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 396 ms to find 0 implicit places.
[2024-06-02 05:23:39] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:23:39] [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 6532 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 30045 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 36871ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36877ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37285 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-12ringLLLarge-UpperBounds-09 in 156999 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 286 rows 28 cols
[2024-06-02 05:24:16] [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 (692 resets) in 30 ms. (322 steps per ms)
BEST_FIRST walk for 10001 steps (71 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:24:16] [INFO ] Invariant cache hit.
[2024-06-02 05:24:16] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-02 05:24:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:24:17] [INFO ] [Nat]Absence check using state equation in 1053 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 25 transition count 271
Applied a total of 15 rules in 5 ms. Remains 25 /28 variables (removed 3) and now considering 271/286 (removed 15) transitions.
Running 249 sub problems to find dead transitions.
// Phase 1: matrix 271 rows 25 cols
[2024-06-02 05:24:17] [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 5776 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 26014ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26017ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26023 ms. Remains : 25/28 places, 271/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:24:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (49354 resets) in 2754 ms. (362 steps per ms)
BEST_FIRST walk for 1000000 steps (7227 resets) in 708 ms. (1410 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:24:47] [INFO ] Invariant cache hit.
[2024-06-02 05:24:47] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-06-02 05:24:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:24:56] [INFO ] [Nat]Absence check using state equation in 9079 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 271/271 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:24:56] [INFO ] Invariant cache hit.
[2024-06-02 05:24:56] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-06-02 05:24:56] [INFO ] Invariant cache hit.
[2024-06-02 05:24:56] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 295 ms to find 0 implicit places.
[2024-06-02 05:24:56] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:24:56] [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 6491 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 36755ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36757ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37062 ms. Remains : 25/25 places, 271/271 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1972 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (292 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1514423 steps, run timeout after 3001 ms. (steps per millisecond=504 ) properties seen :0 out of 1
Probabilistic random walk after 1514423 steps, saw 346220 distinct states, run finished after 3001 ms. (steps per millisecond=504 ) properties seen :0
[2024-06-02 05:25:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 89 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 1093 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1186ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 271/271 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
Running 249 sub problems to find dead transitions.
[2024-06-02 05:25:37] [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 6289 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 20011 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 0/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 26589ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 26594ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26598 ms. Remains : 25/25 places, 271/271 transitions.
RANDOM walk for 40000 steps (1967 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (288 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1534134 steps, run timeout after 3001 ms. (steps per millisecond=511 ) properties seen :0 out of 1
Probabilistic random walk after 1534134 steps, saw 352124 distinct states, run finished after 3001 ms. (steps per millisecond=511 ) properties seen :0
[2024-06-02 05:26:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 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) 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 9086 ms.
Refiners :[State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9176ms 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 2 ms. Remains 25 /25 variables (removed 0) and now considering 271/271 (removed 0) transitions.
[2024-06-02 05:26:16] [INFO ] Invariant cache hit.
[2024-06-02 05:26:16] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-02 05:26:16] [INFO ] Invariant cache hit.
[2024-06-02 05:26:16] [INFO ] Implicit Places using invariants and state equation in 345 ms returned []
Implicit Place search using SMT with State Equation took 408 ms to find 0 implicit places.
[2024-06-02 05:26:16] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-06-02 05:26:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (OVERLAPS) 271/296 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (OVERLAPS) 0/296 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 296/296 variables, and 25 constraints, problems are : Problem set: 0 solved, 249 unsolved in 6496 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 36796ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 36801ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37221 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-12ringLLLarge-UpperBounds-10 in 157431 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 286 rows 28 cols
[2024-06-02 05:26:53] [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 (686 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]
[2024-06-02 05:26:53] [INFO ] Invariant cache hit.
[2024-06-02 05:26:53] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-02 05:26:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:26:54] [INFO ] [Nat]Absence check using state equation in 1053 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 26 transition count 272
Applied a total of 14 rules in 5 ms. Remains 26 /28 variables (removed 2) and now considering 272/286 (removed 14) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 05:26:54] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 05:26:54] [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 10405 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 30588ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 30590ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30596 ms. Remains : 26/28 places, 272/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:27:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46487 resets) in 2995 ms. (333 steps per ms)
BEST_FIRST walk for 1000001 steps (6166 resets) in 723 ms. (1381 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:27:29] [INFO ] Invariant cache hit.
[2024-06-02 05:27:29] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2024-06-02 05:27:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:27:33] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 26/26 places, 272/272 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
[2024-06-02 05:27:33] [INFO ] Invariant cache hit.
[2024-06-02 05:27:34] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-06-02 05:27:34] [INFO ] Invariant cache hit.
[2024-06-02 05:27:34] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 05:27:34] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 374 ms to find 0 implicit places.
[2024-06-02 05:27:34] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 05:27:34] [INFO ] Invariant cache hit.
[2024-06-02 05:27:34] [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 8638 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (OVERLAPS) 272/297 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/297 variables, 250/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 1/298 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 298/298 variables, and 285 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30016 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38926ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38930ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39317 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1859 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (242 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1581359 steps, run timeout after 3001 ms. (steps per millisecond=526 ) properties seen :0 out of 1
Probabilistic random walk after 1581359 steps, saw 352808 distinct states, run finished after 3001 ms. (steps per millisecond=526 ) properties seen :0
[2024-06-02 05:28:16] [INFO ] Invariant cache hit.
[2024-06-02 05:28:16] [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) 152/173 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 125/298 variables, 15/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (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 98 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) 152/173 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 0/21 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 1075 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 1182ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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.
[2024-06-02 05:28:17] [INFO ] Invariant cache hit.
[2024-06-02 05:28:17] [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 8887 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 20017 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 29200ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 29205ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29208 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1866 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (242 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1535949 steps, run timeout after 3001 ms. (steps per millisecond=511 ) properties seen :0 out of 1
Probabilistic random walk after 1535949 steps, saw 340656 distinct states, run finished after 3001 ms. (steps per millisecond=511 ) properties seen :0
[2024-06-02 05:28:49] [INFO ] Invariant cache hit.
[2024-06-02 05:28:49] [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) 152/173 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 125/298 variables, 15/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/298 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 35 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/21 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 152/173 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 0/21 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 9078 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9182ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 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.
[2024-06-02 05:28:59] [INFO ] Invariant cache hit.
[2024-06-02 05:28:59] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-02 05:28:59] [INFO ] Invariant cache hit.
[2024-06-02 05:28:59] [INFO ] State equation strengthened by 9 read => feed constraints.
[2024-06-02 05:28:59] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
[2024-06-02 05:28:59] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 05:28:59] [INFO ] Invariant cache hit.
[2024-06-02 05:28:59] [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 8561 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 38763ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38766ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39074 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-12ringLLLarge-UpperBounds-12 in 164437 ms.
Starting property specific reduction for DNAwalker-PT-12ringLLLarge-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 286 rows 28 cols
[2024-06-02 05:29:38] [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 (664 resets) in 30 ms. (322 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]
[2024-06-02 05:29:38] [INFO ] Invariant cache hit.
[2024-06-02 05:29:38] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-06-02 05:29:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:29:39] [INFO ] [Nat]Absence check using state equation in 1055 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 286/286 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 28 transition count 274
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 26 transition count 272
Applied a total of 14 rules in 5 ms. Remains 26 /28 variables (removed 2) and now considering 272/286 (removed 14) transitions.
Running 250 sub problems to find dead transitions.
// Phase 1: matrix 272 rows 26 cols
[2024-06-02 05:29:39] [INFO ] Computed 0 invariants in 1 ms
[2024-06-02 05:29:39] [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 6738 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 26929ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 26931ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26937 ms. Remains : 26/28 places, 272/286 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2024-06-02 05:30:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (46275 resets) in 2740 ms. (364 steps per ms)
BEST_FIRST walk for 1000001 steps (6141 resets) in 715 ms. (1396 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-02 05:30:09] [INFO ] Invariant cache hit.
[2024-06-02 05:30:09] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-02 05:30:09] [INFO ] Solution in real domain found non-integer solution.
[2024-06-02 05:30:14] [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 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.
[2024-06-02 05:30:14] [INFO ] Invariant cache hit.
[2024-06-02 05:30:14] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-06-02 05:30:14] [INFO ] Invariant cache hit.
[2024-06-02 05:30:14] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-02 05:30:14] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
[2024-06-02 05:30:14] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 05:30:14] [INFO ] Invariant cache hit.
[2024-06-02 05:30:14] [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 8238 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 30009 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 38554ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 38557ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38917 ms. Remains : 26/26 places, 272/272 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1855 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (241 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1373425 steps, run timeout after 3001 ms. (steps per millisecond=457 ) properties seen :0 out of 1
Probabilistic random walk after 1373425 steps, saw 300233 distinct states, run finished after 3004 ms. (steps per millisecond=457 ) properties seen :0
[2024-06-02 05:30:56] [INFO ] Invariant cache hit.
[2024-06-02 05:30:56] [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 92 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 1078 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 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 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.
[2024-06-02 05:30:57] [INFO ] Invariant cache hit.
[2024-06-02 05:30:57] [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 10783 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 20014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 30982ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 30985ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30988 ms. Remains : 26/26 places, 272/272 transitions.
RANDOM walk for 40000 steps (1844 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (240 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1445231 steps, run timeout after 3001 ms. (steps per millisecond=481 ) properties seen :0 out of 1
Probabilistic random walk after 1445231 steps, saw 314883 distinct states, run finished after 3001 ms. (steps per millisecond=481 ) properties seen :0
[2024-06-02 05:31:31] [INFO ] Invariant cache hit.
[2024-06-02 05:31:31] [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 89 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 9079 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 9172ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 26 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 26/26 places, 272/272 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 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.
[2024-06-02 05:31:41] [INFO ] Invariant cache hit.
[2024-06-02 05:31:41] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-06-02 05:31:41] [INFO ] Invariant cache hit.
[2024-06-02 05:31:41] [INFO ] State equation strengthened by 11 read => feed constraints.
[2024-06-02 05:31:41] [INFO ] Implicit Places using invariants and state equation in 427 ms returned []
Implicit Place search using SMT with State Equation took 493 ms to find 0 implicit places.
[2024-06-02 05:31:41] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2024-06-02 05:31:41] [INFO ] Invariant cache hit.
[2024-06-02 05:31:41] [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 8877 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 30014 ms.
Refiners :[State Equation: 26/26 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 0/0 constraints]
After SMT, in 39207ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 39211ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39721 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-12ringLLLarge-UpperBounds-15 in 162645 ms.
[2024-06-02 05:32:21] [INFO ] Flatten gal took : 76 ms
[2024-06-02 05:32:21] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2024-06-02 05:32:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 28 places, 286 transitions and 829 arcs took 8 ms.
Total runtime 2472466 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS]
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-00
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-01
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-02
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-03
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-04
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-05
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-06
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-07
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-08
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-09
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-10
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-12
Could not compute solution for formula : DNAwalker-PT-12ringLLLarge-UpperBounds-15
BK_STOP 1717306341630
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-00
ub formula formula --maxsum=/tmp/2074/ub_0_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-01
ub formula formula --maxsum=/tmp/2074/ub_1_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-02
ub formula formula --maxsum=/tmp/2074/ub_2_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-03
ub formula formula --maxsum=/tmp/2074/ub_3_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-04
ub formula formula --maxsum=/tmp/2074/ub_4_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-05
ub formula formula --maxsum=/tmp/2074/ub_5_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-06
ub formula formula --maxsum=/tmp/2074/ub_6_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-07
ub formula formula --maxsum=/tmp/2074/ub_7_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-08
ub formula formula --maxsum=/tmp/2074/ub_8_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-09
ub formula formula --maxsum=/tmp/2074/ub_9_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-10
ub formula formula --maxsum=/tmp/2074/ub_10_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-12
ub formula formula --maxsum=/tmp/2074/ub_11_
ub formula name DNAwalker-PT-12ringLLLarge-UpperBounds-15
ub formula formula --maxsum=/tmp/2074/ub_12_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DNAwalker-PT-12ringLLLarge"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DNAwalker-PT-12ringLLLarge, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r484-smll-171624276000461"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-12ringLLLarge.tgz
mv DNAwalker-PT-12ringLLLarge 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 ;