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fixing bugs in seq

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-01-23 10:38:49 -05:00
parent 993a0434b4
commit 924f03c6de
5 changed files with 173 additions and 154 deletions
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2
src/ast/rewriter/seq_rewriter.cpp
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@ -383,7 +383,7 @@ br_status seq_rewriter::mk_seq_extract(expr* a, expr* b, expr* c, expr_ref& resu
zstring s;
rational pos, len;
if (m_util.str.is_string(a, s) && m_autil.is_numeral(b, pos) && m_autil.is_numeral(c, len) &&
pos.is_unsigned() && len.is_unsigned() && pos.get_unsigned() <= s.length()) {
pos.is_unsigned() && len.is_unsigned() && pos.get_unsigned() + len.get_unsigned() <= s.length()) {
unsigned _pos = pos.get_unsigned();
unsigned _len = len.get_unsigned();
result = m_util.str.mk_string(s.extract(_pos, _len));

6
src/ast/seq_decl_plugin.cpp
View file

@ -554,7 +554,11 @@ func_decl * seq_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
parameter param(symbol(""));
return mk_func_decl(OP_STRING_CONST, 1, &param, 0, 0, m_string);
}
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, rng, func_decl_info(m_family_id, k));
else {
parameter param(rng.get());
func_decl_info info(m_family_id, k, 1, &param);
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, rng, info);
}
case OP_SEQ_UNIT:
case OP_RE_PLUS: