mirror of
https://github.com/Z3Prover/z3
synced 2025-04-08 10:25:18 +00:00
FPA: New theory implementation with support for "hidden" variables, relevancy, and eq/diseq.
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
parent
7a15c41c47
commit
23aa614d55
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@ -22,17 +22,46 @@ Revision History:
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#include"theory_bv.h"
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#include"smt_model_generator.h"
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namespace smt {
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namespace smt {
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class fpa_factory : public value_factory {
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float_util m_util;
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virtual app * mk_value_core(mpf const & val, sort * s) {
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SASSERT(m_util.get_ebits(s) == val.get_ebits());
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SASSERT(m_util.get_sbits(s) == val.get_sbits());
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return m_util.mk_value(val);
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}
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class fpa_atom_trail : public trail<theory_fpa> {
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bool_var m_var;
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public:
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fpa_atom_trail(bool_var v) : m_var(v) {}
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virtual ~fpa_atom_trail() {}
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fpa_factory(ast_manager & m, family_id fid) :
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value_factory(m, fid),
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m_util(m) {
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}
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virtual ~fpa_factory() {}
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virtual expr * get_some_value(sort * s) { NOT_IMPLEMENTED_YET(); }
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virtual bool get_some_values(sort * s, expr_ref & v1, expr_ref & v2) { NOT_IMPLEMENTED_YET(); }
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virtual expr * get_fresh_value(sort * s) { NOT_IMPLEMENTED_YET(); }
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virtual void register_value(expr * n) { /* Ignore */ }
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app * mk_value(mpf const & x) {
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return m_util.mk_value(x);
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}
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};
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class fpa_conv_trail : public trail<theory_fpa> {
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ast_manager & m;
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obj_map<expr, expr*> & m_conversions;
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expr * m_e;
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public:
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fpa_conv_trail(ast_manager & m, obj_map<expr, expr*> & c, expr * e) : m(m), m_conversions(c), m_e(e) {}
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virtual ~fpa_conv_trail() {}
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virtual void undo(theory_fpa & th) {
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theory_fpa::atom * a = th.get_bv2a(m_var);
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a->~atom();
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th.erase_bv2a(m_var);
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expr * v = m_conversions.find(m_e);
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m_conversions.remove(m_e);
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m.dec_ref(v);
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}
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};
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@ -43,15 +72,15 @@ namespace smt {
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if (m_const2bv.find(f, r)) {
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result = r;
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}
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else {
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else {
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sort * s = f->get_range();
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func_decl *w, *u;
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func_decl_ref w(m), u(m);
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m_th.get_wrap(s, w, u);
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expr_ref bv(m);
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bv = m.mk_app(w, m.mk_const(f));
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unsigned bv_sz = m_th.m_converter.bu().get_bv_size(bv);
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unsigned ebits = m_th.m_converter.fu().get_ebits(f->get_range());
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unsigned sbits = m_th.m_converter.fu().get_sbits(f->get_range());
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unsigned bv_sz = m_th.m_bv_util.get_bv_size(bv);
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unsigned ebits = m_th.m_float_util.get_ebits(f->get_range());
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unsigned sbits = m_th.m_float_util.get_sbits(f->get_range());
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SASSERT(bv_sz == ebits + sbits);
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m_th.m_converter.mk_triple(m_bv_util.mk_extract(bv_sz - 1, bv_sz - 1, bv),
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m_bv_util.mk_extract(sbits - 2, 0, bv),
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@ -75,7 +104,7 @@ namespace smt {
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SASSERT(is_rm(f->get_range()));
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sort * s = f->get_range();
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func_decl *w, *u;
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func_decl_ref w(m), u(m);
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m_th.get_wrap(s, w, u);
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result = m.mk_app(w, m.mk_const(f));
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@ -87,186 +116,134 @@ namespace smt {
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theory_fpa::theory_fpa(ast_manager & m) :
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theory(m.mk_family_id("float")),
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m_converter(m, this),
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m_converter(m, this),
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m_rw(m, m_converter, params_ref()),
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m_th_rw(m),
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m_trail_stack(*this)
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m_trail_stack(*this),
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m_float_util(m_converter.fu()),
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m_bv_util(m_converter.bu()),
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m_arith_util(m_converter.au())
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{
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}
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theory_fpa::~theory_fpa()
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{
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{
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ast_manager & m = get_manager();
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dec_ref_map_values(m, m_conversions);
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dec_ref_map_values(m, m_wraps);
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dec_ref_map_values(m, m_unwraps);
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}
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app * theory_fpa::fpa_value_proc::mk_value(model_generator & mg, ptr_vector<expr> & values) {
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TRACE("t_fpa", tout << "fpa_value_proc::mk_value for: " << mk_ismt2_pp(m_a, m_th.get_manager()) << "\n";);
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SASSERT(values.size() == 3);
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ast_manager & m = m_th.get_manager();
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context & ctx = m_th.get_context();
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theory_id bv_id = m.mk_family_id("bv");
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theory_bv * th_bv = dynamic_cast<theory_bv *>(ctx.get_theory(bv_id));
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SASSERT(th_bv != 0);
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float_util & fu = m_th.m_converter.fu();
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bv_util & bu = m_th.m_converter.bu();
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mpf_manager & mpfm = fu.fm();
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unsynch_mpq_manager & mpqm = mpfm.mpq_manager();
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unsynch_mpz_manager & mpzm = mpfm.mpz_manager();
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sort * s = m.get_sort(m_a);
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unsigned ebits = fu.get_ebits(s);
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unsigned sbits = fu.get_sbits(s);
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TRACE("t_fpa", tout << "fpa_value_proc::mk_value for: [" <<
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mk_ismt2_pp(values[0], m) << " " <<
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mk_ismt2_pp(values[1], m) << " " <<
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mk_ismt2_pp(values[2], m) << "]" << std::endl;);
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mpf_manager & mpfm = m_fu.fm();
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unsynch_mpq_manager & mpqm = mpfm.mpq_manager();
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unsynch_mpz_manager & mpzm = mpfm.mpz_manager();
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unsigned ebits = m_bu.get_bv_size(values[2]);
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unsigned sbits = m_bu.get_bv_size(values[1]) + 1;
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app * result;
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scoped_mpz sgn_z(mpzm), sig_z(mpzm), exp_z(mpzm);
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scoped_mpz bias(mpzm);
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mpzm.power(mpz(2), ebits - 1, bias);
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mpzm.dec(bias);
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app * result;
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float_op_kind k = (float_op_kind) to_app(m_a)->get_decl_kind();
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switch (k)
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{
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case -1: {
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func_decl *w, *u;
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m_th.get_wrap(s, w, u);
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rational bv_val(0);
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scoped_mpz sgn(mpzm), sig(mpzm), exp(bias);
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app_ref bv_w(m);
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bv_w = m.mk_app(w, m_a);
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rational sgn_q(0), sig_q(0), exp_q(bias);
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unsigned bv_sz;
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if (!th_bv->get_fixed_value(bv_w, bv_val))
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result = fu.mk_nan(ebits, sbits);
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else {
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scoped_mpz all_bits(mpzm);
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all_bits = bv_val.to_mpq().numerator();
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SASSERT(mpzm.is_one(bv_val.to_mpq().denominator()));
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mpzm.machine_div2k(all_bits, ebits + sbits - 1, sgn);
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bool r;
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r = m_bu.is_numeral(values[0], sgn_q, bv_sz); SASSERT(r); SASSERT(bv_sz == 1);
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r = m_bu.is_numeral(values[1], sig_q, bv_sz); SASSERT(r); SASSERT(bv_sz == sbits - 1);
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r = m_bu.is_numeral(values[2], exp_q, bv_sz); SASSERT(r); SASSERT(bv_sz == ebits);
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scoped_mpz tmp_p(mpzm);
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mpzm.power(mpz(2), ebits + sbits - 1, tmp_p);
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TRACE("t_fpa", tout << "sgn=" << sgn_q.to_string() << " ; " <<
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"sig=" << sig_q.to_string() << " ; " <<
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"exp=" << exp_q.to_string() << std::endl;);
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if (mpzm.is_one(sgn)) mpzm.sub(all_bits, tmp_p, all_bits);
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rational exp_u = exp_q - rational(bias);
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SASSERT(exp_u.is_int64());
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mpzm.machine_div2k(all_bits, sbits - 1, exp);
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scoped_mpz exp_u(mpzm);
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mpzm.sub(exp, bias, exp_u);
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SASSERT(mpzm.is_int64(exp_u));
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mpzm.power(mpz(2), sbits - 1, tmp_p);
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mpzm.mod(all_bits, tmp_p, sig);
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scoped_mpf f(mpfm);
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scoped_mpq sig_mpq(mpqm);
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sig_mpq = sig_q.to_mpq();
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mpfm.set(f, ebits, sbits, sgn_q.is_one(), sig_mpq.get().numerator(), exp_u.get_int64());
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result = m_fu.mk_value(f);
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scoped_mpf f(mpfm);
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mpfm.set(f, ebits, sbits, mpzm.is_one(sgn), sig, mpzm.get_int64(exp_u));
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result = fu.mk_value(f);
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}
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break;
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}
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case OP_FLOAT_FP: {
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bool is_internalized = ctx.e_internalized(m_a);
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if (is_internalized) {
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SASSERT(m_a->get_num_args() == 3);
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app_ref a_sgn(m), a_sig(m), a_exp(m);
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a_sgn = to_app(m_a->get_arg(0));
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a_exp = to_app(m_a->get_arg(1));
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a_sig = to_app(m_a->get_arg(2));
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scoped_mpz bias(mpzm);
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mpzm.power(mpz(2), ebits - 1, bias);
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mpzm.dec(bias);
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rational sgn(0), sig(0), exp(bias);
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th_bv->get_fixed_value(a_sgn, sgn);
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th_bv->get_fixed_value(a_sig, sig);
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th_bv->get_fixed_value(a_exp, exp);
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TRACE("t_fpa", tout << "sgn=" << sgn.to_string() << " ; " <<
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"sig=" << sig.to_string() << " ; " <<
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"exp=" << exp.to_string() << std::endl;);
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rational exp_u = exp - rational(bias);
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SASSERT(exp_u.is_int64());
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scoped_mpf f(mpfm);
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scoped_mpq sig_q(mpqm);
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sig_q = sig.to_mpq();
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mpfm.set(f, ebits, sbits, sgn.is_one(), sig_q.get().numerator(), exp_u.get_int64());
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result = fu.mk_value(f);
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}
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else {
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result = fu.mk_nan(ebits, sbits);
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}
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break;
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}
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default:
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NOT_IMPLEMENTED_YET();
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}
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TRACE("t_fpa", tout << "fpa_value_proc::mk_value result: " << mk_ismt2_pp(result, m_th.get_manager()) << "\n";);
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TRACE("t_fpa", tout << "fpa_value_proc::mk_value result: " <<
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mk_ismt2_pp(result, m_th.get_manager()) << "\n";);
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return result;
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}
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app * theory_fpa::fpa_rm_value_proc::mk_value(model_generator & mg, ptr_vector<expr> & values) {
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TRACE("t_fpa", tout << "fpa_rm_value_proc::mk_value for: " << mk_ismt2_pp(m_a, m_th.get_manager()) << "\n";);
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app * theory_fpa::fpa_rm_value_proc::mk_value(model_generator & mg, ptr_vector<expr> & values) {
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SASSERT(values.size() == 1);
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ast_manager & m = m_th.get_manager();
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context & ctx = m_th.get_context();
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theory_id bv_id = m.mk_family_id("bv");
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theory_bv * th_bv = dynamic_cast<theory_bv *>(ctx.get_theory(bv_id));
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TRACE("t_fpa", tout << "fpa_rm_value_proc::mk_value for: [" <<
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mk_ismt2_pp(values[0], m) << "]" << std::endl;);
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app * result = 0;
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mpf_rounding_mode rm;
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if (m_th.m_converter.fu().is_rm_value(m_a, rm)) {
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result = m_a.get();
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}
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else {
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sort * s = m.get_sort(m_a);
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func_decl *w, *u;
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m_th.get_wrap(s, w, u);
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sort * s = m.get_sort(values[0]);
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unsigned bv_sz;
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app_ref bv_w(m);
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bv_w = m.mk_app(w, m_a);
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rational val(0);
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if (ctx.e_internalized(bv_w))
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if (!th_bv->get_fixed_value(bv_w, val))
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val = rational(0);
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rational val(0);
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bool r = m_bu.is_numeral(values[0], val, bv_sz);
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SASSERT(r);
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SASSERT(bv_sz == 3);
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switch (val.get_uint64())
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{
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case BV_RM_TIES_TO_AWAY: result = m_fu.mk_round_nearest_ties_to_away(); break;
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case BV_RM_TIES_TO_EVEN: result = m_fu.mk_round_nearest_ties_to_even(); break;
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case BV_RM_TO_NEGATIVE: result = m_fu.mk_round_toward_negative(); break;
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case BV_RM_TO_POSITIVE: result = m_fu.mk_round_toward_positive(); break;
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case BV_RM_TO_ZERO:
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default: result = m_fu.mk_round_toward_zero();
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}
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switch (val.get_uint64())
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{
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case BV_RM_TIES_TO_AWAY: result = m_fu.mk_round_nearest_ties_to_away(); break;
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case BV_RM_TIES_TO_EVEN: result = m_fu.mk_round_nearest_ties_to_even(); break;
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case BV_RM_TO_NEGATIVE: result = m_fu.mk_round_toward_negative(); break;
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case BV_RM_TO_POSITIVE: result = m_fu.mk_round_toward_positive(); break;
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case BV_RM_TO_ZERO:
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default: result = m_fu.mk_round_toward_zero();
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}
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TRACE("t_fpa", tout << "fpa_rm_value_proc::mk_value result: " << mk_ismt2_pp(result, m_th.get_manager()) << "\n";);
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TRACE("t_fpa", tout << "fpa_rm_value_proc::mk_value result: " <<
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mk_ismt2_pp(result, m_th.get_manager()) << "\n";);
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return result;
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}
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void theory_fpa::get_wrap(sort * s, func_decl *& wrap, func_decl *& unwrap)
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void theory_fpa::get_wrap(sort * s, func_decl_ref & wrap, func_decl_ref & unwrap)
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{
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if (!m_wraps.find(s, wrap) || !m_unwraps.find(s, unwrap)) {
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func_decl *w, *u;
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if (!m_wraps.find(s, w) || !m_unwraps.find(s, u)) {
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SASSERT(!m_wraps.contains(s));
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SASSERT(!m_unwraps.contains(s));
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ast_manager & m = get_manager();
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context & ctx = get_context();
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sort * bv_srt = 0;
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if (m_converter.is_rm(s))
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bv_srt = m_converter.bu().mk_sort(3);
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bv_srt = m_bv_util.mk_sort(3);
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else {
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SASSERT(m_converter.is_float(s));
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unsigned ebits = m_converter.fu().get_ebits(s);
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unsigned sbits = m_converter.fu().get_sbits(s);
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bv_srt = m_converter.bu().mk_sort(ebits + sbits);
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SASSERT(m_converter.is_float(s));
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unsigned ebits = m_float_util.get_ebits(s);
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unsigned sbits = m_float_util.get_sbits(s);
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bv_srt = m_bv_util.mk_sort(ebits + sbits);
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}
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wrap = m.mk_func_decl(get_family_id(), OP_FLOAT_INTERNAL_BVWRAP, 0, 0, 1, &s, bv_srt);
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unwrap = m.mk_func_decl(get_family_id(), OP_FLOAT_INTERNAL_BVUNWRAP, 0, 0, 1, &bv_srt, s);
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m_wraps.insert(s, wrap);
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m_unwraps.insert(s, unwrap);
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get_context().push_trail(insert_obj_map<context, sort, func_decl*>(m_wraps, s));
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get_context().push_trail(insert_obj_map<context, sort, func_decl*>(m_unwraps, s));
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w = m.mk_func_decl(get_family_id(), OP_FLOAT_INTERNAL_BVWRAP, 0, 0, 1, &s, bv_srt);
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u = m.mk_func_decl(get_family_id(), OP_FLOAT_INTERNAL_BVUNWRAP, 0, 0, 1, &bv_srt, s);
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m_wraps.insert(s, w);
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m_unwraps.insert(s, u);
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m.inc_ref(w);
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m.inc_ref(u);
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}
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wrap = w;
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unwrap = u;
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}
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expr_ref theory_fpa::convert_atom(expr * e) {
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@ -274,52 +251,91 @@ namespace smt {
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expr_ref res(m);
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proof_ref pr(m);
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m_rw(e, res);
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m_th_rw(res, res);
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TRACE("t_fpa", tout << "converted atom:" << std::endl;
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tout << mk_ismt2_pp(e, m) << std::endl << " -> " << std::endl <<
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mk_ismt2_pp(res, m) << std::endl;);
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TRACE("t_fpa_detail", tout << "converted atom:" << std::endl;
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tout << mk_ismt2_pp(e, m) << std::endl << " -> " << std::endl <<
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mk_ismt2_pp(res, m) << std::endl;);
|
||||
|
||||
SASSERT(is_app(res));
|
||||
SASSERT(m.is_bool(res));
|
||||
return res;
|
||||
}
|
||||
|
||||
expr_ref theory_fpa::convert_term(expr * e) {
|
||||
ast_manager & m = get_manager();
|
||||
context & ctx = get_context();
|
||||
expr_ref res(m);
|
||||
proof_ref pr(m);
|
||||
m_rw(e, res);
|
||||
|
||||
SASSERT(is_app(res));
|
||||
|
||||
if (m_converter.fu().is_rm(e)) {
|
||||
SASSERT(is_sort_of(m.get_sort(res), m_converter.bu().get_family_id(), BV_SORT));
|
||||
SASSERT(m_converter.bu().get_bv_size(res) == 3);
|
||||
if (m_float_util.is_rm(e)) {
|
||||
SASSERT(is_sort_of(m.get_sort(res), m_bv_util.get_family_id(), BV_SORT));
|
||||
SASSERT(m_bv_util.get_bv_size(res) == 3);
|
||||
ctx.internalize(res, false);
|
||||
}
|
||||
else {
|
||||
SASSERT(to_app(res)->get_family_id() == get_family_id());
|
||||
decl_kind k = to_app(res)->get_decl_kind();
|
||||
if (k == OP_FLOAT_TO_FP) {
|
||||
SASSERT(to_app(res)->get_num_args() == 3);
|
||||
SASSERT(is_sort_of(m.get_sort(to_app(res)->get_arg(0)), m_converter.bu().get_family_id(), BV_SORT));
|
||||
SASSERT(is_sort_of(m.get_sort(to_app(res)->get_arg(1)), m_converter.bu().get_family_id(), BV_SORT));
|
||||
SASSERT(is_sort_of(m.get_sort(to_app(res)->get_arg(2)), m_converter.bu().get_family_id(), BV_SORT));
|
||||
SASSERT(is_sort_of(m.get_sort(to_app(res)->get_arg(0)), m_bv_util.get_family_id(), BV_SORT));
|
||||
SASSERT(is_sort_of(m.get_sort(to_app(res)->get_arg(1)), m_bv_util.get_family_id(), BV_SORT));
|
||||
SASSERT(is_sort_of(m.get_sort(to_app(res)->get_arg(2)), m_bv_util.get_family_id(), BV_SORT));
|
||||
|
||||
expr *sgn, *sig, *exp;
|
||||
expr_ref s_sgn(m), s_sig(m), s_exp(m);
|
||||
m_converter.split_triple(res, sgn, sig, exp);
|
||||
m_th_rw(sgn, s_sgn);
|
||||
m_th_rw(sig, s_sig);
|
||||
m_th_rw(exp, s_exp);
|
||||
|
||||
m_th_rw(exp, s_exp);
|
||||
|
||||
m_converter.mk_triple(s_sgn, s_sig, s_exp, res);
|
||||
}
|
||||
else {
|
||||
SASSERT(is_sort_of(m.get_sort(e), get_family_id(), ROUNDING_MODE_SORT));
|
||||
SASSERT(is_sort_of(m.get_sort(res), m_converter.bu().get_family_id(), BV_SORT));
|
||||
SASSERT(is_sort_of(m.get_sort(res), m_bv_util.get_family_id(), BV_SORT));
|
||||
}
|
||||
}
|
||||
|
||||
TRACE("t_fpa", tout << "converted term:" << std::endl;
|
||||
tout << mk_ismt2_pp(e, m) << std::endl << " -> " << std::endl <<
|
||||
mk_ismt2_pp(res, m) << std::endl;);
|
||||
TRACE("t_fpa_detail", tout << "converted term:" << std::endl;
|
||||
tout << mk_ismt2_pp(e, m) << std::endl << " -> " << std::endl <<
|
||||
mk_ismt2_pp(res, m) << std::endl;);
|
||||
return res;
|
||||
}
|
||||
|
||||
expr_ref theory_fpa::convert(expr * e)
|
||||
{
|
||||
ast_manager & m = get_manager();
|
||||
context & ctx = get_context();
|
||||
expr_ref res(m);
|
||||
|
||||
if (m_conversions.contains(e)) {
|
||||
res = m_conversions.find(e);
|
||||
TRACE("t_fpa_detail", tout << "cached:" << std::endl;
|
||||
tout << mk_ismt2_pp(e, m) << std::endl << " -> " << std::endl <<
|
||||
mk_ismt2_pp(res, m) << std::endl;);
|
||||
return res;
|
||||
}
|
||||
else {
|
||||
if (m.is_bool(e))
|
||||
res = convert_atom(e);
|
||||
else if (m_float_util.is_float(e) || m_float_util.is_rm(e))
|
||||
res = convert_term(e);
|
||||
else
|
||||
UNREACHABLE();
|
||||
|
||||
TRACE("t_fpa_detail", tout << "caching:" << std::endl;
|
||||
tout << mk_ismt2_pp(e, m) << std::endl << " -> " << std::endl <<
|
||||
mk_ismt2_pp(res, m) << std::endl;);
|
||||
|
||||
m_conversions.insert(e, res);
|
||||
m.inc_ref(res);
|
||||
m_trail_stack.push(fpa_conv_trail(m, m_conversions, e));
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
@ -340,14 +356,14 @@ namespace smt {
|
|||
res = m.mk_and(res, t);
|
||||
}
|
||||
m_converter.m_extra_assertions.reset();
|
||||
|
||||
TRACE("t_fpa", if (!m.is_true(res)) tout << "side condition: " << mk_ismt2_pp(res, m) << "\n";);
|
||||
|
||||
CTRACE("t_fpa", !m.is_true(res), tout << "side condition: " << mk_ismt2_pp(res, m) << "\n";);
|
||||
return res;
|
||||
}
|
||||
|
||||
void theory_fpa::assert_cnstr(expr * e) {
|
||||
void theory_fpa::assert_cnstr(expr * e) {
|
||||
TRACE("t_fpa_detail", tout << "asserting " << mk_ismt2_pp(e, get_manager()) << "\n";);
|
||||
if (get_manager().is_true(e)) return;
|
||||
TRACE("t_fpa", tout << "asserting " << mk_ismt2_pp(e, get_manager()) << "\n";);
|
||||
context& ctx = get_context();
|
||||
ctx.internalize(e, false);
|
||||
literal lit(ctx.get_literal(e));
|
||||
|
@ -359,7 +375,6 @@ namespace smt {
|
|||
context & ctx = get_context();
|
||||
theory_var v = mk_var(n);
|
||||
ctx.attach_th_var(n, this, v);
|
||||
m_tvars.push_back(v);
|
||||
TRACE("t_fpa", tout << "new theory var: " << mk_ismt2_pp(n->get_owner(), get_manager()) << " := " << v << "\n";);
|
||||
}
|
||||
|
||||
|
@ -381,7 +396,9 @@ namespace smt {
|
|||
ctx.set_var_theory(l.var(), get_id());
|
||||
|
||||
expr_ref bv_atom(m);
|
||||
bv_atom = convert_atom(atom);
|
||||
bv_atom = convert(atom);
|
||||
TRACE("t_fpa_detail", tout << "converted: " << mk_ismt2_pp(bv_atom, get_manager()) << "\n";);
|
||||
SASSERT(bv_atom.get()->get_kind() == AST_APP);
|
||||
bv_atom = m.mk_and(bv_atom, mk_side_conditions());
|
||||
|
||||
expr_ref atom_iff(m);
|
||||
|
@ -390,13 +407,13 @@ namespace smt {
|
|||
}
|
||||
|
||||
bool theory_fpa::internalize_term(app * term) {
|
||||
TRACE("t_fpa_detail", tout << "internalizing term: " << mk_ismt2_pp(term, get_manager()) << "\n";);
|
||||
SASSERT(term->get_family_id() == get_family_id());
|
||||
SASSERT(!get_context().e_internalized(term));
|
||||
|
||||
ast_manager & m = get_manager();
|
||||
context & ctx = get_context();
|
||||
|
||||
TRACE("t_fpa_detail", tout << "internalizing term: " << mk_ismt2_pp(term, get_manager()) << "\n";);
|
||||
SASSERT(term->get_family_id() == get_family_id());
|
||||
SASSERT(!ctx.e_internalized(term));
|
||||
|
||||
unsigned num_args = term->get_num_args();
|
||||
for (unsigned i = 0; i < num_args; i++)
|
||||
ctx.internalize(term->get_arg(i), false);
|
||||
|
@ -407,8 +424,7 @@ namespace smt {
|
|||
if (is_attached_to_var(e))
|
||||
return false;
|
||||
|
||||
attach_new_th_var(e);
|
||||
TRACE("t_fpa", tout << "internalized? " << (ctx.e_internalized(term)?"yes":"no") << std::endl;);
|
||||
attach_new_th_var(e);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -417,22 +433,25 @@ namespace smt {
|
|||
SASSERT(n->get_owner()->get_family_id() == get_family_id() ||
|
||||
n->get_owner()->get_family_id() == null_theory_id);
|
||||
SASSERT(s->get_family_id() == get_family_id());
|
||||
ast_manager & m = get_manager();
|
||||
ast_manager & m = get_manager();
|
||||
|
||||
if (!is_attached_to_var(n))
|
||||
attach_new_th_var(n);
|
||||
|
||||
app * owner = n->get_owner();
|
||||
sort * owner_sort = m.get_sort(owner);
|
||||
if (m_converter.is_rm(owner_sort)) {
|
||||
bv_util & bu = m_converter.bu();
|
||||
func_decl *wrap, *unwrap;
|
||||
app_ref owner(m);
|
||||
sort_ref owner_sort(m);
|
||||
owner = n->get_owner();
|
||||
owner_sort = m.get_sort(owner);
|
||||
|
||||
if (m_float_util.is_rm(owner_sort)) {
|
||||
func_decl_ref wrap(m), unwrap(m);
|
||||
get_wrap(owner_sort, wrap, unwrap);
|
||||
if (owner->get_decl() != unwrap)
|
||||
{
|
||||
expr_ref converted(m), t(m);
|
||||
m_rw(owner, converted);
|
||||
t = bu.mk_ule(converted, bu.mk_numeral(4, 3));
|
||||
{
|
||||
expr_ref converted(m), t(m), limit(m);
|
||||
converted = convert(owner);
|
||||
limit = m_bv_util.mk_numeral(4, 3);
|
||||
t = m_bv_util.mk_ule(converted, limit);
|
||||
assert_cnstr(t);
|
||||
}
|
||||
}
|
||||
|
@ -446,41 +465,45 @@ namespace smt {
|
|||
mk_ismt2_pp(get_enode(y)->get_owner(), m) << std::endl; );
|
||||
|
||||
context & ctx = get_context();
|
||||
float_util & fu = m_converter.fu();
|
||||
bv_util & bu = m_converter.bu();
|
||||
float_util & fu = m_float_util;
|
||||
bv_util & bu = m_bv_util;
|
||||
mpf_manager & mpfm = fu.fm();
|
||||
|
||||
app * xe = get_enode(x)->get_owner();
|
||||
app * ye = get_enode(y)->get_owner();
|
||||
app * ye = get_enode(y)->get_owner();
|
||||
|
||||
if (m_bv_util.is_bv(xe) && m_bv_util.is_bv(ye))
|
||||
{
|
||||
SASSERT(xe->get_decl()->get_family_id() == get_family_id());
|
||||
return;
|
||||
}
|
||||
|
||||
expr_ref xc(m), yc(m);
|
||||
xc = convert(xe);
|
||||
yc = convert(ye);
|
||||
|
||||
expr_ref c(m);
|
||||
|
||||
if (fu.is_float(xe) && fu.is_float(ye))
|
||||
{
|
||||
expr_ref xc(m), yc(m);
|
||||
xc = convert_term(xe);
|
||||
yc = convert_term(ye);
|
||||
|
||||
expr *x_sgn, *x_sig, *x_exp;
|
||||
m_converter.split_triple(xc, x_sgn, x_sig, x_exp);
|
||||
expr *y_sgn, *y_sig, *y_exp;
|
||||
m_converter.split_triple(yc, y_sgn, y_sig, y_exp);
|
||||
|
||||
expr_ref c(m);
|
||||
c = m.mk_and(m.mk_eq(x_sgn, y_sgn),
|
||||
m.mk_eq(x_sig, y_sig),
|
||||
m.mk_eq(x_exp, y_exp));
|
||||
assert_cnstr(c);
|
||||
assert_cnstr(mk_side_conditions());
|
||||
m.mk_eq(x_exp, y_exp));
|
||||
}
|
||||
else if (fu.is_rm(xe) && fu.is_rm(ye)) {
|
||||
expr_ref xc(m), yc(m);
|
||||
xc = convert_term(xe);
|
||||
yc = convert_term(ye);
|
||||
expr_ref c(m);
|
||||
else if (fu.is_rm(xe) && fu.is_rm(ye))
|
||||
c = m.mk_eq(xc, yc);
|
||||
assert_cnstr(c);
|
||||
assert_cnstr(mk_side_conditions());
|
||||
}
|
||||
|
||||
else
|
||||
UNREACHABLE();
|
||||
|
||||
// assert_cnstr(m.mk_iff(m.mk_eq(xe, ye), c));
|
||||
assert_cnstr(c);
|
||||
assert_cnstr(mk_side_conditions());
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
|
@ -492,57 +515,55 @@ namespace smt {
|
|||
mk_ismt2_pp(get_enode(y)->get_owner(), m) << std::endl;);
|
||||
|
||||
context & ctx = get_context();
|
||||
float_util & fu = m_converter.fu();
|
||||
bv_util & bu = m_converter.bu();
|
||||
mpf_manager & mpfm = fu.fm();
|
||||
mpf_manager & mpfm = m_float_util.fm();
|
||||
|
||||
app * xe = get_enode(x)->get_owner();
|
||||
app * ye = get_enode(y)->get_owner();
|
||||
|
||||
if (fu.is_float(xe) && fu.is_float(ye))
|
||||
if (m_bv_util.is_bv(xe) && m_bv_util.is_bv(ye))
|
||||
{
|
||||
expr_ref xc(m), yc(m);
|
||||
xc = convert_term(xe);
|
||||
yc = convert_term(ye);
|
||||
SASSERT(xe->get_decl()->get_family_id() == get_family_id());
|
||||
return;
|
||||
}
|
||||
|
||||
expr_ref xc(m), yc(m);
|
||||
xc = convert(xe);
|
||||
yc = convert(ye);
|
||||
|
||||
expr_ref c(m);
|
||||
|
||||
if (m_float_util.is_float(xe) && m_float_util.is_float(ye))
|
||||
{
|
||||
expr *x_sgn, *x_sig, *x_exp;
|
||||
m_converter.split_triple(xc, x_sgn, x_sig, x_exp);
|
||||
expr *y_sgn, *y_sig, *y_exp;
|
||||
m_converter.split_triple(yc, y_sgn, y_sig, y_exp);
|
||||
|
||||
expr_ref c(m);
|
||||
|
||||
c = m.mk_or(m.mk_not(m.mk_eq(x_sgn, y_sgn)),
|
||||
m.mk_not(m.mk_eq(x_sig, y_sig)),
|
||||
m.mk_not(m.mk_eq(x_exp, y_exp)));
|
||||
assert_cnstr(c);
|
||||
assert_cnstr(mk_side_conditions());
|
||||
}
|
||||
else if (fu.is_rm(xe) && fu.is_rm(ye)) {
|
||||
expr_ref xc(m), yc(m);
|
||||
xc = convert_term(xe);
|
||||
yc = convert_term(ye);
|
||||
expr_ref c(m);
|
||||
else if (m_float_util.is_rm(xe) && m_float_util.is_rm(ye))
|
||||
c = m.mk_not(m.mk_eq(xc, yc));
|
||||
assert_cnstr(c);
|
||||
assert_cnstr(mk_side_conditions());
|
||||
}
|
||||
else
|
||||
UNREACHABLE();
|
||||
|
||||
// assert_cnstr(m.mk_iff(m.mk_not(m.mk_eq(xe, ye)), c));
|
||||
assert_cnstr(c);
|
||||
assert_cnstr(mk_side_conditions());
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void theory_fpa::push_scope_eh() {
|
||||
theory::push_scope_eh();
|
||||
m_trail_stack.push_scope();
|
||||
m_trail_stack.push_scope();
|
||||
}
|
||||
|
||||
void theory_fpa::pop_scope_eh(unsigned num_scopes) {
|
||||
TRACE("t_fpa", tout << num_scopes << "\n";);
|
||||
void theory_fpa::pop_scope_eh(unsigned num_scopes) {
|
||||
m_trail_stack.pop_scope(num_scopes);
|
||||
unsigned num_old_vars = get_old_num_vars(num_scopes);
|
||||
for (unsigned i = num_old_vars; i < get_num_vars(); i++) {
|
||||
// m_trans_map.erase(get_enode(m_tvars[i])->get_owner());
|
||||
}
|
||||
m_tvars.shrink(num_old_vars);
|
||||
TRACE("t_fpa", tout << "pop " << num_scopes << "; now " << m_trail_stack.get_num_scopes() << "\n";);
|
||||
// unsigned num_old_vars = get_old_num_vars(num_scopes);
|
||||
theory::pop_scope_eh(num_scopes);
|
||||
}
|
||||
|
||||
|
@ -554,57 +575,68 @@ namespace smt {
|
|||
TRACE("t_fpa", tout << "assign_eh for: " << v << " (" << is_true << "):\n" << mk_ismt2_pp(e, m) << "\n";);
|
||||
|
||||
expr_ref converted(m);
|
||||
m_rw(e, converted);
|
||||
converted = convert(e);
|
||||
converted = m.mk_and(converted, mk_side_conditions());
|
||||
if (!is_true) converted = m.mk_not(converted);
|
||||
assert_cnstr(converted);
|
||||
}
|
||||
|
||||
void theory_fpa::relevant_eh(app * n) {
|
||||
TRACE("t_fpa", tout << "relevant_eh for: " << mk_ismt2_pp(n, get_manager()) << "\n";);
|
||||
|
||||
NOT_IMPLEMENTED_YET();
|
||||
|
||||
ast_manager & m = get_manager();
|
||||
TRACE("t_fpa", tout << "relevant_eh for: " << mk_ismt2_pp(n, m) << "\n";);
|
||||
|
||||
if (m.is_bool(n))
|
||||
return;
|
||||
mpf_manager & mpfm = m_float_util.fm();
|
||||
unsynch_mpq_manager & mpqm = mpfm.mpq_manager();
|
||||
|
||||
float_util & fu = m_converter.fu();
|
||||
bv_util & bu = m_converter.bu();
|
||||
mpf_manager & mpfm = fu.fm();
|
||||
if (m_float_util.is_float(n) || m_float_util.is_rm(n)) {
|
||||
sort * s = m.get_sort(n);
|
||||
func_decl_ref wrap(m), unwrap(m);
|
||||
get_wrap(s, wrap, unwrap);
|
||||
|
||||
if (bu.is_bv(n))
|
||||
return;
|
||||
|
||||
sort * s = m.get_sort(n);
|
||||
func_decl *wrap, *unwrap;
|
||||
get_wrap(s, wrap, unwrap);
|
||||
|
||||
if (n->get_decl() != unwrap) {
|
||||
expr * wrapped = m.mk_app(wrap, n);
|
||||
mpf_rounding_mode rm;
|
||||
scoped_mpf val(mpfm);
|
||||
if (fu.is_rm_value(n, rm))
|
||||
assert_cnstr(m.mk_eq(wrapped, bu.mk_numeral(rm, 3)));
|
||||
else if (fu.is_value(n, val)) {
|
||||
unsigned sz = val.get().get_ebits() + val.get().get_sbits();
|
||||
scoped_mpq q(fu.fm().mpq_manager());
|
||||
mpfm.to_rational(val, q);
|
||||
assert_cnstr(m.mk_eq(wrapped, bu.mk_numeral(rational(q), sz)));
|
||||
if (n->get_decl() != unwrap) {
|
||||
expr_ref wrapped(m), c(m);
|
||||
wrapped = m.mk_app(wrap, n);
|
||||
mpf_rounding_mode rm;
|
||||
scoped_mpf val(mpfm);
|
||||
if (m_float_util.is_rm_value(n, rm)) {
|
||||
c = m.mk_eq(wrapped, m_bv_util.mk_numeral(rm, 3));
|
||||
c = m.mk_and(c, mk_side_conditions());
|
||||
assert_cnstr(c);
|
||||
}
|
||||
else if (m_float_util.is_value(n, val)) {
|
||||
unsigned sz = val.get().get_ebits() + val.get().get_sbits();
|
||||
expr_ref bv_val_e(m);
|
||||
bv_val_e = convert(n);
|
||||
SASSERT(is_app(bv_val_e));
|
||||
SASSERT(to_app(bv_val_e)->get_num_args() == 3);
|
||||
app_ref bv_val_a(to_app(bv_val_e.get()), m);
|
||||
c = m.mk_eq(wrapped, m_bv_util.mk_concat(
|
||||
m_bv_util.mk_concat(bv_val_a->get_arg(0), bv_val_a->get_arg(1)),
|
||||
bv_val_a->get_arg(2)));
|
||||
c = m.mk_and(c, mk_side_conditions());
|
||||
assert_cnstr(c);
|
||||
}
|
||||
else {
|
||||
c = m.mk_eq(m.mk_app(unwrap, wrapped), n);
|
||||
c = m.mk_and(c, mk_side_conditions());
|
||||
assert_cnstr(c);
|
||||
}
|
||||
}
|
||||
else
|
||||
assert_cnstr(m.mk_eq(m.mk_app(unwrap, wrapped), n));
|
||||
}
|
||||
}
|
||||
|
||||
void theory_fpa::reset_eh() {
|
||||
TRACE("t_fpa", tout << "reset_eh for: " << "\n";);
|
||||
TRACE("t_fpa", tout << "reset_eh\n";);
|
||||
pop_scope_eh(m_trail_stack.get_num_scopes());
|
||||
m_converter.reset();
|
||||
m_rw.reset();
|
||||
m_bool_var2atom.reset();
|
||||
m_temporaries.reset();
|
||||
m_tvars.reset();
|
||||
m_th_rw.reset();
|
||||
m_trail_stack.pop_scope(m_trail_stack.get_num_scopes());
|
||||
if (m_factory) dealloc(m_factory); m_factory = 0;
|
||||
ast_manager & m = get_manager();
|
||||
dec_ref_map_values(m, m_conversions);
|
||||
dec_ref_map_values(m, m_wraps);
|
||||
dec_ref_map_values(m, m_unwraps);
|
||||
theory::reset_eh();
|
||||
}
|
||||
|
||||
|
@ -615,28 +647,54 @@ namespace smt {
|
|||
TRACE("t_fpa", display(tout););
|
||||
}
|
||||
|
||||
void theory_fpa::add_value_dep(fpa_value_proc * vp, expr * e) {
|
||||
SASSERT(m_bv_util.is_bv(e));
|
||||
ast_manager & m = get_manager();
|
||||
context & ctx = get_context();
|
||||
if (ctx.e_internalized(e))
|
||||
vp->add_dependency(ctx.get_enode(e));
|
||||
else {
|
||||
expr_ref n(m);
|
||||
n = m_bv_util.mk_numeral(0, m_bv_util.get_bv_size(e));
|
||||
if (!ctx.e_internalized(n))
|
||||
ctx.internalize(n, false);
|
||||
vp->add_dependency(ctx.get_enode(n));
|
||||
}
|
||||
}
|
||||
|
||||
model_value_proc * theory_fpa::mk_value(enode * n, model_generator & mg) {
|
||||
TRACE("t_fpa", tout << "mk_value for: " << mk_ismt2_pp(n->get_owner(), get_manager()) << "\n";);
|
||||
TRACE("t_fpa", tout << "mk_value for: " << mk_ismt2_pp(n->get_owner(), get_manager()) << "\n";);
|
||||
|
||||
ast_manager & m = get_manager();
|
||||
float_util & fu = m_converter.fu();
|
||||
context & ctx = get_context();
|
||||
app * owner = n->get_owner();
|
||||
|
||||
expr * owner = n->get_owner();
|
||||
sort * o_srt = m.get_sort(owner);
|
||||
app_ref c_a(m);
|
||||
c_a = to_app(convert(owner));
|
||||
SASSERT(ctx.e_internalized(owner));
|
||||
|
||||
mpf_rounding_mode rm;
|
||||
TRACE("t_fpa", tout << "converted = " << mk_ismt2_pp(c_a, get_manager()) << "\n";);
|
||||
|
||||
if (fu.is_rm_value(n->get_owner(), rm))
|
||||
return alloc(expr_wrapper_proc, n->get_owner());
|
||||
else if (fu.is_value(n->get_owner()))
|
||||
return alloc(expr_wrapper_proc, n->get_owner());
|
||||
else if (fu.is_rm(owner))
|
||||
return alloc(fpa_rm_value_proc, this, app_ref(to_app(owner), m));
|
||||
else if (fu.is_float(owner))
|
||||
return alloc(fpa_value_proc, this, app_ref(to_app(owner), m));
|
||||
|
||||
UNREACHABLE();
|
||||
return 0;
|
||||
model_value_proc * res = 0;
|
||||
|
||||
if (m_float_util.is_rm(owner)) {
|
||||
fpa_rm_value_proc * vp = alloc(fpa_rm_value_proc, this);
|
||||
add_value_dep(vp, c_a);
|
||||
res = vp;
|
||||
}
|
||||
else if (m_float_util.is_float(owner)) {
|
||||
fpa_value_proc * vp = alloc(fpa_value_proc, this);
|
||||
expr_ref bv_sgn(m), bv_sig(m), bv_exp(m);
|
||||
m_converter.split_triple(c_a, bv_sgn, bv_sig, bv_exp);
|
||||
add_value_dep(vp, bv_sgn);
|
||||
add_value_dep(vp, bv_sig);
|
||||
add_value_dep(vp, bv_exp);
|
||||
res = vp;
|
||||
}
|
||||
else
|
||||
UNREACHABLE();
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
void theory_fpa::finalize_model(model_generator & mg) {}
|
||||
|
@ -649,8 +707,10 @@ namespace smt {
|
|||
out << "theory variables:" << std::endl;
|
||||
ptr_vector<enode>::const_iterator it = ctx.begin_enodes();
|
||||
ptr_vector<enode>::const_iterator end = ctx.end_enodes();
|
||||
for (; it != end; it++)
|
||||
out << (*it)->get_th_var(get_family_id()) << " -> " <<
|
||||
mk_ismt2_pp((*it)->get_owner(), m) << std::endl;
|
||||
for (; it != end; it++) {
|
||||
theory_var v = (*it)->get_th_var(get_family_id());
|
||||
if (v != -1) out << v << " -> " <<
|
||||
mk_ismt2_pp((*it)->get_owner(), m) << std::endl;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
|
|
@ -29,39 +29,10 @@ Revision History:
|
|||
|
||||
namespace smt {
|
||||
|
||||
class fpa_factory : public value_factory {
|
||||
float_util m_util;
|
||||
|
||||
virtual app * mk_value_core(mpf const & val, sort * s) {
|
||||
SASSERT(m_util.get_ebits(s) == val.get_ebits());
|
||||
SASSERT(m_util.get_sbits(s) == val.get_sbits());
|
||||
return m_util.mk_value(val);
|
||||
}
|
||||
|
||||
public:
|
||||
fpa_factory(ast_manager & m, family_id fid) :
|
||||
value_factory(m, fid),
|
||||
m_util(m) {
|
||||
}
|
||||
|
||||
virtual ~fpa_factory() {}
|
||||
|
||||
virtual expr * get_some_value(sort * s) { NOT_IMPLEMENTED_YET(); }
|
||||
virtual bool get_some_values(sort * s, expr_ref & v1, expr_ref & v2) { NOT_IMPLEMENTED_YET(); }
|
||||
virtual expr * get_fresh_value(sort * s) { NOT_IMPLEMENTED_YET(); }
|
||||
virtual void register_value(expr * n) { /* Ignore */ }
|
||||
|
||||
app * mk_value(mpf const & x) {
|
||||
return m_util.mk_value(x);
|
||||
}
|
||||
};
|
||||
class fpa_factory;
|
||||
|
||||
class theory_fpa : public theory {
|
||||
class th_trail_stack : public trail_stack<theory_fpa> {
|
||||
public:
|
||||
th_trail_stack(theory_fpa & th) : trail_stack<theory_fpa>(th) {}
|
||||
virtual ~th_trail_stack() {}
|
||||
};
|
||||
typedef trail_stack<theory_fpa> th_trail_stack;
|
||||
|
||||
class fpa2bv_converter_wrapped : public fpa2bv_converter {
|
||||
public:
|
||||
|
@ -76,11 +47,13 @@ namespace smt {
|
|||
|
||||
class fpa_value_proc : public model_value_proc {
|
||||
protected:
|
||||
theory_fpa & m_th;
|
||||
app_ref m_a;
|
||||
theory_fpa & m_th;
|
||||
float_util & m_fu;
|
||||
bv_util & m_bu;
|
||||
svector<model_value_dependency> m_dependencies;
|
||||
public:
|
||||
fpa_value_proc(theory_fpa * th, app_ref & a) : m_th(*th), m_a(a) {}
|
||||
fpa_value_proc(theory_fpa * th) :
|
||||
m_th(*th),m_fu(th->m_float_util),m_bu(th->m_bv_util) {}
|
||||
void add_dependency(enode * n) { m_dependencies.push_back(model_value_dependency(n)); }
|
||||
virtual ~fpa_value_proc() {}
|
||||
virtual void get_dependencies(buffer<model_value_dependency> & result) {
|
||||
|
@ -89,50 +62,27 @@ namespace smt {
|
|||
virtual app * mk_value(model_generator & mg, ptr_vector<expr> & values);
|
||||
};
|
||||
|
||||
class fpa_rm_value_proc : public fpa_value_proc {
|
||||
float_util & m_fu;
|
||||
bv_util & m_bu;
|
||||
class fpa_rm_value_proc : public fpa_value_proc {
|
||||
public:
|
||||
fpa_rm_value_proc(theory_fpa * th, app_ref & a) :
|
||||
fpa_value_proc(th, a),
|
||||
m_fu(th->m_converter.fu()),
|
||||
m_bu(th->m_converter.bu()) {}
|
||||
fpa_rm_value_proc(theory_fpa * th) :
|
||||
fpa_value_proc(th) {}
|
||||
void add_dependency(enode * n) { fpa_value_proc::add_dependency(n); }
|
||||
virtual ~fpa_rm_value_proc() {}
|
||||
virtual app * mk_value(model_generator & mg, ptr_vector<expr> & values);
|
||||
};
|
||||
|
||||
public:
|
||||
class atom {
|
||||
public:
|
||||
virtual ~atom() {}
|
||||
};
|
||||
|
||||
struct pred_atom : public atom {
|
||||
literal m_var;
|
||||
literal m_def;
|
||||
pred_atom(literal v, literal d) : m_var(v), m_def(d) {}
|
||||
virtual ~pred_atom() {}
|
||||
};
|
||||
|
||||
typedef ptr_vector<pred_atom> bool_var2atom;
|
||||
void insert_bv2a(bool_var bv, pred_atom * a) { m_bool_var2atom.setx(bv, a, 0); }
|
||||
void erase_bv2a(bool_var bv) { m_bool_var2atom[bv] = 0; }
|
||||
pred_atom * get_bv2a(bool_var bv) const { return m_bool_var2atom.get(bv, 0); }
|
||||
region & get_region() { return m_trail_stack.get_region(); }
|
||||
|
||||
protected:
|
||||
fpa2bv_converter_wrapped m_converter;
|
||||
fpa2bv_rewriter m_rw;
|
||||
th_rewriter m_th_rw;
|
||||
th_trail_stack m_trail_stack;
|
||||
bool_var2atom m_bool_var2atom;
|
||||
enode_vector m_temporaries;
|
||||
vector<theory_var> m_tvars;
|
||||
fpa_factory * m_factory;
|
||||
float_util & m_float_util;
|
||||
bv_util & m_bv_util;
|
||||
arith_util & m_arith_util;
|
||||
obj_map<sort, func_decl*> m_wraps;
|
||||
obj_map<sort, func_decl*> m_unwraps;
|
||||
float_decl_plugin m_flt_plugin;
|
||||
obj_map<expr, expr*> m_conversions;
|
||||
|
||||
virtual final_check_status final_check_eh() { return FC_DONE; }
|
||||
virtual bool internalize_atom(app * atom, bool gate_ctx);
|
||||
|
@ -161,14 +111,16 @@ namespace smt {
|
|||
|
||||
protected:
|
||||
expr_ref mk_side_conditions();
|
||||
expr_ref convert(expr * e);
|
||||
expr_ref convert_atom(expr * e);
|
||||
expr_ref convert_term(expr * e);
|
||||
void get_wrap(sort * s, func_decl *& wrap, func_decl *& unwrap);
|
||||
void get_wrap(sort * s, func_decl_ref & wrap, func_decl_ref & unwrap);
|
||||
void add_trail(ast * a);
|
||||
|
||||
void mk_bv_eq(expr * x, expr * y);
|
||||
void attach_new_th_var(enode * n);
|
||||
void assert_cnstr(expr * e);
|
||||
void add_value_dep(fpa_value_proc * vp, expr * e);
|
||||
};
|
||||
|
||||
};
|
||||
|
|
Loading…
Reference in a new issue