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qffp tactic cleaned up to be in line with the default behavior of other tactics.

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This commit is contained in:
Christoph M. Wintersteiger 2016-03-30 15:23:46 +01:00
parent cb2bf48254
commit 1724811e1b
1 changed files with 26 additions and 15 deletions
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41
src/tactic/fpa/qffp_tactic.cpp
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@ -30,38 +30,50 @@ Notes:
#include"qffp_tactic.h"
struct has_fp_to_real_predicate {
struct is_non_fp_qfnra_predicate {
struct found {};
ast_manager & m;
bv_util bu;
fpa_util fu;
arith_util au;
has_fp_to_real_predicate(ast_manager & _m) : m(_m), bu(m), fu(m), au(m) {}
is_non_fp_qfnra_predicate(ast_manager & _m) : m(_m), bu(m), fu(m), au(m) {}
void operator()(var *) { throw found(); }
void operator()(quantifier *) { throw found(); }
void operator()(app * n) {
family_id fid = n->get_family_id();
if (fid != null_family_id && fid != fu.get_family_id())
throw found();
sort * s = get_sort(n);
if (au.is_real(s) && n->get_family_id() == fu.get_family_id() &&
is_app(n) && to_app(n)->get_decl_kind() == OP_FPA_TO_REAL)
if (fid == fu.get_family_id()) {
if (!fu.is_float(s) && !fu.is_rm(s) &&
to_app(n)->get_decl_kind() != OP_FPA_TO_REAL)
throw found();
}
else if (fid == null_family_id) {
if (!fu.is_float(s) && !fu.is_rm(s) && !m.is_bool(s))
throw found();
}
else if (fid == m.get_basic_family_id())
return;
else
throw found();
}
};
class has_fp_to_real_probe : public probe {
class is_fp_qfnra_probe : public probe {
public:
virtual result operator()(goal const & g) {
return test<has_fp_to_real_predicate>(g);
return !test<is_non_fp_qfnra_predicate>(g);
}
virtual ~has_fp_to_real_probe() {}
virtual ~is_fp_qfnra_probe() {}
};
probe * mk_has_fp_to_real_probe() {
return alloc(has_fp_to_real_probe);
probe * mk_is_fp_qfnra_probe() {
return alloc(is_fp_qfnra_probe);
}
@ -82,12 +94,11 @@ tactic * mk_qffp_tactic(ast_manager & m, params_ref const & p) {
using_params(mk_simplify_tactic(m, p), simp_p),
cond(mk_is_propositional_probe(),
cond(mk_produce_proofs_probe(),
mk_smt_tactic(), // `sat' does not support proofs.
mk_smt_tactic(p), // `sat' does not support proofs.
mk_sat_tactic(m, p)),
cond(mk_has_fp_to_real_probe(),
cond(mk_is_fp_qfnra_probe(),
mk_qfnra_tactic(m, p),
mk_smt_tactic(p))),
mk_fail_if_undecided_tactic());
mk_smt_tactic(p))));
st->updt_params(p);
return st;