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TimurIbrayev/SATsolver

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Boolean Satisfiability Solver

Authors: Timur Ibrayev, Nikhil Sunil Chhabria

Directory Overview

Directory Description
main.cpp Main file
data_types.h SAT namespace definition
parse_cnf.h Parser for input .cnf file
sat_solver.h DPLL algorithm with randomization and geometric restarts (RGR) heuristic
benchmarks/uniform_random_3-sat/ Uniform Random 3-SAT (each folder is named as sat/unsat_<number of variables>_<number of clauses>,
and has 3 instances, named 01.cnf, 02.cnf, and 03.cnf)
benchmarks/dimacs_benchmark_instances/aim/ Artificially generated Random 3-SAT (each folder is named as sat/unsat_<number of variables>_<number of clauses>,
and has 3 instances, named 01.cnf, 02.cnf, and 03.cnf)
benchmarks/dimacs_benchmark_instances/phole/ Pigeon hole problem (3 instances,
named 01.cnf, 02.cnf, and 03.cnf, all unsatisfiable)
doc/ Documentation

Compilation

g++ main.cpp -o mySAT

Usage

  1. Without RGR heuristic: mySAT <file name>

    • Example: mySAT benchmarks/uniform_random_3-sat/sat_50_218/01.cnf
  2. With RGR heuristic (default values): mySAT <file name> --enable_restarts

    • Example: mySAT benchmarks/uniform_random_3-sat/sat_50_218/01.cnf --enable_restarts
  3. With RGR heuristic (user-defined values): mySAT <file name> --enable_restarts <k value>(integer) <a value>(float)

    • Example: mySAT benchmarks/uniform_random_3-sat/sat_50_218/01.cnf --enable_restarts 90 1.4

About

Boolean SAT solver based on DPLL algorithm with randomization and geometric restarts (RGR) heuristic

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