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https://github.com/Z3Prover/z3
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53 lines
917 B
C++
53 lines
917 B
C++
/*++
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Copyright (c) 2018 Arie Gurfinkel
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Module Name:
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spacer_sat_answer.h
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Abstract:
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Compute refutation proof for CHC
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Author:
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Arie Gurfinkel
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Revision History:
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--*/
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#pragma once
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#include "muz/spacer/spacer_context.h"
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#include "ast/ast.h"
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#include "util/obj_hashtable.h"
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#include "model/model.h"
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#include "solver/solver.h"
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namespace spacer {
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class ground_sat_answer_op {
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const context &m_ctx;
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ast_manager &m;
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const manager &m_pm;
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expr_ref_vector m_pinned;
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obj_map<expr, proof*> m_cache;
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ref<solver> m_solver;
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struct frame;
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proof *mk_proof_step(frame &fr);
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void mk_children(frame &fr, vector<frame> &todo);
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void mk_child_subst_from_model(func_decl *pred, unsigned i,
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model_ref &mdl, expr_ref_vector &subst);
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public:
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ground_sat_answer_op(const context &ctx);
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proof_ref operator() (pred_transformer &query);
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};
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}
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