MiniSat.hpp

#pragma once
 
#include "containers/ClauseBuffer.hpp"
#include "containers/ClauseDatabase.hpp"
#include "solvers/CDCL/SolverCdclInterface.hpp"
#include "utils/Threading.hpp"
 
#define MINISAT_
 
// Some forward declatarations for Minisat
namespace Minisat {
class SimpSolver;
class Lit;
template<class T, class _Size>
class vec;
}
 
class MiniSat : public SolverCdclInterface
{
  public:
    void loadFormula(const char* filename);
 
    unsigned int getVariablesCount();
 
    int getDivisionVariable();
 
    void setPhase(const unsigned int var, const bool phase);
 
    void bumpVariableActivity(const int var, const int times);
 
    void setSolverInterrupt();
 
    void unsetSolverInterrupt();
 
    SatResult solve(const std::vector<int>& cube);
 
    void addClause(ClauseExchangePtr clause);
 
    void addClauses(const std::vector<ClauseExchangePtr>& clauses);
 
    void addInitialClauses(const std::vector<simpleClause>& clauses, unsigned int nbVars) override;
 
    bool importClause(const ClauseExchangePtr& clause);
 
    void importClauses(const std::vector<ClauseExchangePtr>& clauses);
 
    void printStatistics();
 
    void printWinningLog() override;
 
    std::vector<int> getModel();
 
    void diversify(const SeedGenerator& getSeed) override;
 
    std::vector<int> getFinalAnalysis();
 
    std::vector<int> getSatAssumptions();
 
    MiniSat(int id, const std::shared_ptr<ClauseDatabase>& clauseDB);
 
    virtual ~MiniSat();
 
  protected:
    Minisat::SimpSolver* solver;
 
    std::unique_ptr<ClauseDatabase> unitsToImport;
 
    ClauseBuffer clausesToAdd;
 
    std::atomic<int> sizeLimit;
 
    friend void minisatExportClause(void*, Minisat::vec<Minisat::Lit, int>&);
    friend Minisat::Lit minisatImportUnit(void*);
    friend bool minisatImportClause(void*, Minisat::vec<Minisat::Lit, int>&);
};