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z3/src/tactic/fpa/qffp_tactic.cpp

103 lines
2.8 KiB
C++

/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
qffpa_tactic.cpp
Abstract:
Tactic for QF_FP benchmarks.
Author:
Christoph (cwinter) 2012-01-16
Notes:
--*/
#include"tactical.h"
#include"simplify_tactic.h"
#include"bit_blaster_tactic.h"
#include"sat_tactic.h"
#include"fpa2bv_tactic.h"
#include"smt_tactic.h"
#include"propagate_values_tactic.h"
#include"qffp_tactic.h"
tactic * mk_qffp_tactic(ast_manager & m, params_ref const & p) {
params_ref simp_p = p;
simp_p.set_bool("arith_lhs", true);
simp_p.set_bool("elim_and", true);
tactic * st = and_then(mk_simplify_tactic(m, simp_p),
mk_propagate_values_tactic(m, p),
cond(mk_or(mk_produce_proofs_probe(), mk_produce_unsat_cores_probe()),
mk_smt_tactic(),
and_then(
mk_fpa2bv_tactic(m, p),
mk_propagate_values_tactic(m, p),
using_params(mk_simplify_tactic(m, p), simp_p),
mk_bit_blaster_tactic(m, p),
using_params(mk_simplify_tactic(m, p), simp_p),
cond(mk_is_propositional_probe(),
mk_sat_tactic(m, p),
mk_smt_tactic(p)),
mk_fail_if_undecided_tactic())));
st->updt_params(p);
return st;
}
tactic * mk_qffpbv_tactic(ast_manager & m, params_ref const & p) {
return mk_qffp_tactic(m, p);
}
struct is_non_qffp_predicate {
struct found {};
ast_manager & m;
bv_util bu;
fpa_util fu;
arith_util au;
is_non_qffp_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) {
sort * s = get_sort(n);
if (!m.is_bool(s) && !fu.is_float(s) && !fu.is_rm(s) && !bu.is_bv_sort(s) && !au.is_real(s))
throw found();
family_id fid = n->get_family_id();
if (fid == m.get_basic_family_id())
return;
if (fid == fu.get_family_id() || fid == bu.get_family_id())
return;
if (is_uninterp_const(n))
return;
if (au.is_real(s) && au.is_numeral(n))
return;
throw found();
}
};
class is_qffp_probe : public probe {
public:
virtual result operator()(goal const & g) {
return !test<is_non_qffp_predicate>(g);
}
virtual ~is_qffp_probe() {}
};
probe * mk_is_qffp_probe() {
return alloc(is_qffp_probe);
}
probe * mk_is_qffpbv_probe() {
return alloc(is_qffp_probe);
}