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Lev's fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-08-11 10:12:39 -07:00
parent f90db2ba1c
commit de69b01e92
1 changed files with 2 additions and 0 deletions
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2
src/smt/theory_seq.cpp
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@ -4996,6 +4996,7 @@ void theory_seq::add_extract_axiom(expr* e) {
TRACE("seq", tout << mk_pp(e, m) << "\n";);
expr* s = nullptr, *i = nullptr, *l = nullptr;
VERIFY(m_util.str.is_extract(e, s, i, l));
#if 0
if (is_tail(s, i, l)) {
add_tail_axiom(e, s);
return;
@ -5012,6 +5013,7 @@ void theory_seq::add_extract_axiom(expr* e) {
add_extract_suffix_axiom(e, s, i);
return;
}
#endif
expr_ref x(mk_skolem(m_pre, s, i), m);
expr_ref ls = mk_len(s);
expr_ref lx = mk_len(x);