SatSolver%20Tournament%20Results - PowerPoint PPT Presentation

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SatSolver%20Tournament%20Results

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WalkSat based, with 50% p. Features: T-F Stat Initial model, QuickCheck ... Reduces the Japanese SoDuko number puzzle into CNF formulas, every puzzle has a solution. ... – PowerPoint PPT presentation

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Title: SatSolver%20Tournament%20Results


1
SatSolver Tournament Results
  • CS 402

2
The Tournament
  • Generators
  • 39 sets of CNF generated (total 78)
  • SatSolvers
  • 31 Solvers
  • Range from solving 1 to solving all but 9 (69 in
    total) CNFs in 15 seconds

3
Results
4
Results (without outlier)
5
TOP PERFORMERS
6
Results
  • Top Finishers
  • Honorable Mention, theparaDoxguy07
  • Solved 69 CNFs with average time 7017ms
  • v3.5, Build 110127. WalkSat based, with 50 p.
    Features T-F Stat Initial model, QuickCheck()
    QuickUpdate() and Dynamic Mixer with tolerance
    40000, 5 increment and 60 limit)
  • Solved the most amount of CNF sentences within
    the time limit

7
Results
  • Top Finishers
  • 3rd place, Anand Atreya
  • Solved 64 CNFs in average time of 4392ms
  • WalkSAT variant.

8
Results
  • Top Finishers
  • 2nd place, Lan Dong
  • Solved 66 CNFs in average time of 4344ms
  • This sat-solver uses WalkSat with varying p
    (probabality to flip the symbol randomly vs. flip
    the symbol which will maximize the number of
    satisfied clauses)

9
Results
  • Top Finishers
  • 1st place, Brendan Miller
  • Solved 68 CNFs with average time 3436ms
  • This sat-solver uses a slightly modified version
    of WalkSat, returning the solution or the best
    one when time runs out.
  • Best Average Time Per CNF sentence

10
Results
  • Hardest CNFs
  • Raymond Lanihan
  • Only Kent Cheng was able to solve the CNF
  • Reduces the Japanese SoDuko number puzzle into
    CNF formulas, every puzzle has a solution. How it
    generates the CNFs is explained in the readme
  • Frank Macreery and Sameer Shariff
  • No one was able to solve their CNFs
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