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Bugfixes for model verification of unspecified values of fp.min/fp.max

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This commit is contained in:
Christoph M. Wintersteiger 2015-11-02 19:25:44 +00:00
parent 14d2356a32
commit 92152b16ca
6 changed files with 131 additions and 113 deletions
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41
src/ast/fpa/fpa2bv_converter.h
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@ -35,8 +35,8 @@ struct func_decl_triple {
f_exp = exp;
}
func_decl * f_sgn;
func_decl * f_sig;
func_decl * f_exp;
func_decl * f_sig;
func_decl * f_exp;
};
class fpa2bv_converter {
@ -47,22 +47,20 @@ protected:
bv_util m_bv_util;
arith_util m_arith_util;
mpf_manager & m_mpf_manager;
unsynch_mpz_manager & m_mpz_manager;
unsynch_mpz_manager & m_mpz_manager;
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_hashtable<func_decl> m_decls_to_hide;
app_ref m_min_pn_zeros;
app_ref m_min_np_zeros;
app_ref m_max_pn_zeros;
app_ref m_max_np_zeros;
obj_map<func_decl, std::pair<app *, app *> > m_specials;
friend class fpa2bv_model_converter;
public:
fpa2bv_converter(ast_manager & m);
fpa2bv_converter(ast_manager & m);
~fpa2bv_converter();
fpa_util & fu() { return m_util; }
@ -83,7 +81,7 @@ public:
void split_fp(expr * e, expr * & sgn, expr * & exp, expr * & sig) const;
void split_fp(expr * e, expr_ref & sgn, expr_ref & exp, expr_ref & sig) const;
void mk_eq(expr * a, expr * b, expr_ref & result);
void mk_eq(expr * a, expr * b, expr_ref & result);
void mk_ite(expr * c, expr * t, expr * f, expr_ref & result);
void mk_distinct(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
@ -98,7 +96,7 @@ public:
void mk_ninf(func_decl * f, expr_ref & result);
void mk_nan(func_decl * f, expr_ref & result);
void mk_nzero(func_decl *f, expr_ref & result);
void mk_pzero(func_decl *f, expr_ref & result);
void mk_pzero(func_decl *f, expr_ref & result);
void mk_add(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_sub(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
@ -106,7 +104,7 @@ public:
void mk_mul(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_div(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_rem(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_abs(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_abs(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_fma(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_sqrt(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_round_to_integral(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
@ -125,10 +123,10 @@ public:
void mk_is_nan(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_inf(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_normal(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_subnormal(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_is_subnormal(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_fp(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_fp_float(func_decl * f, sort * s, expr * rm, expr * x, expr_ref & result);
void mk_to_fp(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_fp_float(func_decl * f, sort * s, expr * rm, expr * x, expr_ref & result);
void mk_to_fp_signed(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_fp_unsigned(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_ieee_bv(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
@ -137,7 +135,7 @@ public:
void mk_to_ubv(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_sbv(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_real(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_to_real(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void set_unspecified_fp_hi(bool v) { m_hi_fp_unspecified = v; }
@ -145,7 +143,7 @@ public:
void mk_min_i(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
virtual expr_ref mk_min_unspecified(func_decl * f, expr * x, expr * y);
void mk_max(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_max(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
void mk_max_i(func_decl * f, unsigned num, expr * const * args, expr_ref & result);
virtual expr_ref mk_max_unspecified(func_decl * f, expr * x, expr * y);
@ -153,11 +151,6 @@ public:
expr_ref mk_to_sbv_unspecified(unsigned width);
expr_ref mk_to_real_unspecified();
obj_map<func_decl, expr*> const & const2bv() const { return m_const2bv; }
obj_map<func_decl, expr*> const & rm_const2bv() const { return m_rm_const2bv; }
obj_map<func_decl, func_decl*> const & uf2bvuf() const { return m_uf2bvuf; }
obj_hashtable<func_decl> const & decls_to_hide() const { return m_decls_to_hide; }
void reset(void);
void dbg_decouple(const char * prefix, expr_ref & e);
@ -191,7 +184,7 @@ protected:
void mk_unbias(expr * e, expr_ref & result);
void unpack(expr * e, expr_ref & sgn, expr_ref & sig, expr_ref & exp, expr_ref & lz, bool normalize);
void round(sort * s, expr_ref & rm, expr_ref & sgn, expr_ref & sig, expr_ref & exp, expr_ref & result);
void round(sort * s, expr_ref & rm, expr_ref & sgn, expr_ref & sig, expr_ref & exp, expr_ref & result);
expr_ref mk_rounding_decision(expr * rm, expr * sgn, expr * last, expr * round, expr * sticky);
void add_core(unsigned sbits, unsigned ebits,