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Bugfix for fp.min/fp.max in fpa2bv converter; hide BV UFs from FP models.

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Fixes #642
This commit is contained in:
Christoph M. Wintersteiger 2016-06-09 17:51:31 +01:00
parent bfeab9cc15
commit bd187e0989
5 changed files with 38 additions and 43 deletions
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22
src/ast/fpa/fpa2bv_converter.h
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@ -32,6 +32,11 @@ Notes:
#include"basic_simplifier_plugin.h"
class fpa2bv_converter {
public:
typedef obj_map<func_decl, std::pair<app *, app *> > special_t;
typedef obj_map<func_decl, expr*> const2bv_t;
typedef obj_map<func_decl, func_decl*> uf2bvuf_t;
protected:
ast_manager & m;
basic_simplifier_plugin m_simp;
@ -46,11 +51,10 @@ protected:
fpa_decl_plugin * m_plugin;
bool m_hi_fp_unspecified;
obj_map<func_decl, expr*> m_const2bv;
obj_map<func_decl, expr*> m_rm_const2bv;
obj_map<func_decl, func_decl*> m_uf2bvuf;
obj_map<func_decl, std::pair<app *, app *> > m_specials;
const2bv_t m_const2bv;
const2bv_t m_rm_const2bv;
uf2bvuf_t m_uf2bvuf;
special_t m_min_max_specials;
friend class fpa2bv_model_converter;
@ -154,9 +158,11 @@ public:
void dbg_decouple(const char * prefix, expr_ref & e);
expr_ref_vector m_extra_assertions;
bool is_special(func_decl * f) { return m_specials.contains(f); }
bool is_uf2bvuf(func_decl * f) { return m_uf2bvuf.contains(f); }
special_t const & get_min_max_specials() const { return m_min_max_specials; };
const2bv_t const & get_const2bv() const { return m_const2bv; };
const2bv_t const & get_rm_const2bv() const { return m_rm_const2bv; };
uf2bvuf_t const & get_uf2bvuf() const { return m_uf2bvuf; };
protected:
void mk_one(func_decl *f, expr_ref & sign, expr_ref & result);