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• xor_solver.h

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z3-z3-4.13.0.src.sat.smt.xor_solver.h Maven / Gradle / Ivy

/*++
Copyright (c) 2014 Microsoft Corporation

Module Name:

    xor_solver.h

Abstract:

    XOR solver.
    Interface outline.

--*/

#pragma once

#include "sat/smt/euf_solver.h"

namespace xr {
    class solver : public euf::th_solver {
    public:
        solver(euf::solver& ctx);
        
        th_solver* clone(euf::solver& ctx) override;

        sat::literal internalize(expr* e, bool sign, bool root)  override { UNREACHABLE(); return sat::null_literal; }

        void internalize(expr* e) override { UNREACHABLE(); }


        void asserted(sat::literal l) override;
        bool unit_propagate() override;
        void get_antecedents(sat::literal l, sat::ext_justification_idx idx, sat::literal_vector & r, bool probing) override;

        void pre_simplify() override;
        void simplify() override;

        sat::check_result check() override;
        void push() override;
        void pop(unsigned n) override;

        std::ostream& display(std::ostream& out) const override;
        std::ostream& display_justification(std::ostream& out, sat::ext_justification_idx idx) const override;
        std::ostream& display_constraint(std::ostream& out, sat::ext_constraint_idx idx) const override;

    };

}