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sat solver setup

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-26 09:40:31 -07:00
parent 78b88f761c
commit c21a2fcf9f
28 changed files with 984 additions and 441 deletions
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4
src/sat/sat_extension.h
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@ -47,8 +47,9 @@ namespace sat {
};
class extension {
public:
public:
virtual ~extension() {}
virtual unsigned get_id() const { return 0; }
virtual void set_solver(solver* s) = 0;
virtual void set_lookahead(lookahead* s) = 0;
virtual bool propagate(literal l, ext_constraint_idx idx) = 0;
@ -59,6 +60,7 @@ namespace sat {
virtual check_result check() = 0;
virtual lbool resolve_conflict() { return l_undef; } // stores result in sat::solver::m_lemma
virtual void push() = 0;
void push_scopes(unsigned n) { for (unsigned i = 0; i < n; ++i) push(); }
virtual void pop(unsigned n) = 0;
virtual void pre_simplify() = 0;
virtual void simplify() = 0;