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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-02 11:35:25 -07:00
parent 3f9edad676
commit e9eab22e5c
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lib/qfnia_tactic.cpp Normal file
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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
qflia_tactic.cpp
Abstract:
Tactic for QF_NIA
Author:
Leonardo (leonardo) 2012-02-28
Notes:
--*/
#include"tactical.h"
#include"simplify_tactic.h"
#include"propagate_values_tactic.h"
#include"solve_eqs_tactic.h"
#include"elim_uncnstr_tactic.h"
#include"smt_tactic.h"
#include"bit_blaster_tactic.h"
#include"max_bv_sharing_tactic.h"
#include"sat_tactic.h"
#include"nla2bv_tactic.h"
#include"ctx_simplify_tactic.h"
#include"cofactor_term_ite_tactic.h"
tactic * mk_qfnia_bv_solver(ast_manager & m, params_ref const & p_ref) {
params_ref p = p_ref;
p.set_bool(":flat", false);
p.set_bool(":hi-div0", true);
p.set_bool(":elim-and", true);
p.set_bool(":blast-distinct", true);
params_ref simp2_p = p;
simp2_p.set_bool(":local-ctx", true);
simp2_p.set_uint(":local-ctx-limit", 10000000);
tactic * r = using_params(and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),
using_params(mk_simplify_tactic(m), simp2_p),
mk_max_bv_sharing_tactic(m),
mk_bit_blaster_tactic(m),
mk_sat_tactic(m)),
p);
return r;
}
tactic * mk_qfnia_premable(ast_manager & m, params_ref const & p_ref) {
params_ref pull_ite_p = p_ref;
pull_ite_p.set_bool(":pull-cheap-ite", true);
pull_ite_p.set_bool(":local-ctx", true);
pull_ite_p.set_uint(":local-ctx-limit", 10000000);
params_ref ctx_simp_p = p_ref;
ctx_simp_p.set_uint(":max-depth", 30);
ctx_simp_p.set_uint(":max-steps", 5000000);
params_ref simp_p = p_ref;
simp_p.set_bool(":hoist-mul", true);
params_ref elim_p = p_ref;
elim_p.set_uint(":max-memory",20);
return
and_then(mk_simplify_tactic(m),
mk_propagate_values_tactic(m),
using_params(mk_ctx_simplify_tactic(m), ctx_simp_p),
using_params(mk_simplify_tactic(m), pull_ite_p),
mk_elim_uncnstr_tactic(m),
skip_if_failed(using_params(mk_cofactor_term_ite_tactic(m), elim_p)),
using_params(mk_simplify_tactic(m), simp_p));
}
tactic * mk_qfnia_sat_solver(ast_manager & m, params_ref const & p) {
params_ref nia2sat_p = p;
nia2sat_p.set_uint(":nla2bv-max-bv-size", 64);
return and_then(mk_nla2bv_tactic(m, nia2sat_p),
mk_qfnia_bv_solver(m, p),
mk_fail_if_undecided_tactic());
}
tactic * mk_qfnia_tactic(ast_manager & m, params_ref const & p) {
return and_then(mk_qfnia_premable(m, p),
or_else(mk_qfnia_sat_solver(m, p),
mk_smt_tactic()));
}