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mirror of https://github.com/Z3Prover/z3 synced 2025-04-23 09:05:31 +00:00
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-12-21 10:04:02 -08:00
commit df492e200f
99 changed files with 1659 additions and 702 deletions

View file

@ -1463,11 +1463,17 @@ void fpa2bv_converter::mk_fma(func_decl * f, unsigned num, expr * const * args,
v6 = z;
// (x is 0) || (y is 0) -> z
expr_ref c71(m), xy_sgn(m), xyz_sgn(m);
m_simp.mk_or(x_is_zero, y_is_zero, c7);
expr_ref ite_c(m), rm_is_not_to_neg(m);
m_simp.mk_xor(x_is_neg, y_is_neg, xy_sgn);
m_simp.mk_xor(xy_sgn, z_is_neg, xyz_sgn);
m_simp.mk_and(z_is_zero, xyz_sgn, c71);
expr_ref zero_cond(m), rm_is_not_to_neg(m);
rm_is_not_to_neg = m.mk_not(rm_is_to_neg);
m_simp.mk_and(z_is_zero, rm_is_not_to_neg, ite_c);
mk_ite(ite_c, pzero, z, v7);
m_simp.mk_ite(rm_is_to_neg, nzero, pzero, zero_cond);
mk_ite(c71, zero_cond, z, v7);
// else comes the fused multiplication.
unsigned ebits = m_util.get_ebits(f->get_range());

View file

@ -494,7 +494,7 @@ void macro_util::normalize_expr(app * head, expr * t, expr_ref & norm_t) const {
tout << "applying substitution to:\n" << mk_ll_pp(t, m_manager) << "\nsubstitution:\n";
for (unsigned i = 0; i < var_mapping.size(); i++) {
if (var_mapping[i] != 0)
tout << "#" << i << " -> " << mk_ll_pp(var_mapping[i], m_manager);
tout << "#" << i << " -> " << mk_ll_pp(var_mapping[i], m_manager);
});
subst(t, var_mapping.size(), var_mapping.c_ptr(), norm_t);
}

View file

@ -91,7 +91,7 @@ func_decl * pb_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters, p
}
void pb_decl_plugin::get_op_names(svector<builtin_name> & op_names, symbol const & logic) {
if (logic == symbol::null) {
if (logic == symbol::null || logic == "QF_FD") {
op_names.push_back(builtin_name(m_at_most_sym.bare_str(), OP_AT_MOST_K));
op_names.push_back(builtin_name(m_at_least_sym.bare_str(), OP_AT_LEAST_K));
op_names.push_back(builtin_name(m_pble_sym.bare_str(), OP_PB_LE));

View file

@ -66,9 +66,6 @@ struct blaster_cfg {
void mk_nor(expr * a, expr * b, expr_ref & r) { m_rewriter.mk_nor(a, b, r); }
};
// CMW: GCC/LLVM do not like this definition because a symbol of the same name exists in assert_set_bit_blaster.o
// template class bit_blaster_tpl<blaster_cfg>;
class blaster : public bit_blaster_tpl<blaster_cfg> {
bool_rewriter m_rewriter;
bv_util m_util;
@ -625,9 +622,6 @@ MK_PARAMETRIC_UNARY_REDUCE(reduce_sign_extend, mk_sign_extend);
}
};
// CMW: GCC/LLVM do not like this definition because a symbol of the same name exists in assert_set_bit_blaster.o
// template class rewriter_tpl<blaster_rewriter_cfg>;
struct bit_blaster_rewriter::imp : public rewriter_tpl<blaster_rewriter_cfg> {
blaster m_blaster;
blaster_rewriter_cfg m_cfg;

View file

@ -111,7 +111,7 @@ protected:
void elim_reflex_prs(unsigned spos);
public:
rewriter_core(ast_manager & m, bool proof_gen);
~rewriter_core();
virtual ~rewriter_core();
ast_manager & m() const { return m_manager; }
void reset();
void cleanup();

View file

@ -243,9 +243,9 @@ eautomaton* re2automaton::re2aut(expr* e) {
TRACE("seq", tout << "Range expression is not handled: " << mk_pp(e, m) << "\n";);
}
}
else if (u.re.is_complement(e, e0) && (a = re2aut(e0)) && m_sa) {
return m_sa->mk_complement(*a);
}
else if (u.re.is_complement(e, e0) && (a = re2aut(e0)) && m_sa) {
return m_sa->mk_complement(*a);
}
else if (u.re.is_loop(e, e1, lo, hi) && (a = re2aut(e1))) {
scoped_ptr<eautomaton> eps = eautomaton::mk_epsilon(sm);
b = eautomaton::mk_epsilon(sm);
@ -524,7 +524,7 @@ br_status seq_rewriter::mk_seq_contains(expr* a, expr* b, expr_ref& result) {
result = m().mk_bool_val(c.contains(d));
return BR_DONE;
}
// check if subsequence of b is in a.
// check if subsequence of a is in b.
expr_ref_vector as(m()), bs(m());
m_util.str.get_concat(a, as);
m_util.str.get_concat(b, bs);
@ -587,6 +587,12 @@ br_status seq_rewriter::mk_seq_contains(expr* a, expr* b, expr_ref& result) {
SASSERT(sz > offs);
result = m_util.str.mk_contains(m_util.str.mk_concat(sz-offs, as.c_ptr()+offs), b);
return BR_REWRITE2;
}
expr* x, *y, *z;
if (m_util.str.is_extract(b, x, y, z) && x == a) {
result = m().mk_true();
return BR_DONE;
}
return BR_FAILED;
@ -1715,7 +1721,7 @@ bool seq_rewriter::solve_itos(unsigned szl, expr* const* ls, unsigned szr, expr*
}
}
if (szr == 1 && m_util.str.is_itos(rs[0], r)) {
if (szr == 1 && m_util.str.is_itos(rs[0], r) && !m_util.str.is_itos(ls[0])) {
return solve_itos(szr, rs, szl, ls, rhs, lhs, is_sat);
}

View file

@ -601,7 +601,7 @@ func_decl * seq_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
match(*m_sigs[k], arity, domain, range, rng);
return m.mk_func_decl(symbol("re.allchar"), arity, domain, rng, func_decl_info(m_family_id, k));
}
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, rng, func_decl_info(m_family_id, k));
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, range, func_decl_info(m_family_id, k));
case _OP_REGEXP_EMPTY:
@ -617,7 +617,7 @@ func_decl * seq_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
match(*m_sigs[k], arity, domain, range, rng);
return m.mk_func_decl(symbol("re.nostr"), arity, domain, rng, func_decl_info(m_family_id, k));
}
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, rng, func_decl_info(m_family_id, k));
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, range, func_decl_info(m_family_id, k));
case OP_RE_LOOP:
switch (arity) {
@ -861,7 +861,7 @@ app* seq_util::re::mk_full(sort* s) {
return m.mk_app(m_fid, OP_RE_FULL_SET, 0, 0, 0, 0, s);
}
app* seq_util::re::mk_empty(sort* s) {
app* seq_util::re::mk_empty(sort* s) {
return m.mk_app(m_fid, OP_RE_EMPTY_SET, 0, 0, 0, 0, s);
}