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adding ack/model

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-28 12:55:31 -07:00
parent 7f0b5bc129
commit 4244ce4aad
31 changed files with 831 additions and 914 deletions
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38
src/sat/smt/sat_th.h
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@ -16,33 +16,26 @@ Author:
--*/
#pragma once
#include "util/top_sort.h"
#include "sat/smt/sat_smt.h"
#include "ast/euf/euf_egraph.h"
namespace sat {
class th_dependencies {
public:
th_dependencies() {}
euf::enode * const* begin() const { return nullptr; }
euf::enode * const* end() const { return nullptr; }
/*
* \brief add dependency: dst depends on src.
*/
void add(euf::enode* src, euf::enode* dst);
/*
* \brief sort dependencies.
*/
void sort();
};
class th_internalizer {
public:
virtual literal internalize(sat_internalizer& si, expr* e, bool sign, bool root) = 0;
virtual ~th_internalizer() {}
virtual literal internalize(expr* e, bool sign, bool root) = 0;
};
class th_decompile {
public:
virtual ~th_decompile() {}
virtual bool to_formulas(std::function<expr_ref(sat::literal)>& lit2expr, expr_ref_vector& fmls) = 0;
};
class th_model_builder {
@ -59,7 +52,12 @@ namespace sat {
/**
\brief compute dependencies for node n
*/
virtual void add_dep(euf::enode* n, th_dependencies& dep) = 0;
virtual void add_dep(euf::enode* n, top_sort<euf::enode>& dep) = 0;
/**
\brief should function be included in model.
*/
virtual bool include_func_interp(func_decl* f) const { return false; }
};