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fix break

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-25 18:24:45 -08:00
parent 77b74ddb88
commit 841c48e04d
1 changed files with 2 additions and 2 deletions
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4
src/smt/theory_seq.cpp
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@ -3230,8 +3230,8 @@ void theory_seq::add_indexof_axiom(expr* i) {
// offset > len(t) => indexof(t, s, offset) = -1
// offset = len(t) & |s| = 0 => indexof(t, s, offset) = offset
expr_ref len_t(m_util.str.mk_length(t), m);
literal offset_ge_len = mk_simplified_literal(m_autil.mk_ge(offset, len_t));
literal offset_le_len = mk_simplified_literal(m_autil.mk_le(offset, len_t));
literal offset_ge_len = mk_simplified_literal(m_autil.mk_ge(m_autil.mk_sub(offset, len_t), zero));
literal offset_le_len = mk_simplified_literal(m_autil.mk_le(m_autil.mk_sub(offset, len_t), zero));
literal i_eq_offset = mk_eq(i, offset, false);
add_axiom(~offset_ge_len, s_eq_empty, i_eq_m1);
add_axiom(offset_le_len, i_eq_m1);