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Merge branch 'master' of https://github.com/Z3Prover/z3

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Christoph M. Wintersteiger 2016-12-09 15:03:36 +00:00
commit 4c664f1c05
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src/smt/theory_seq.cpp
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@ -2916,7 +2916,7 @@ void theory_seq::add_indexof_axiom(expr* i) {
expr_ref len_t(m_util.str.mk_length(t), m);
literal offset_ge_len = mk_literal(m_autil.mk_ge(mk_sub(offset, len_t), zero));
add_axiom(offset_ge_len, mk_eq(i, minus_one, false));
add_axiom(~offset_ge_len, mk_eq(i, minus_one, false));
expr_ref x = mk_skolem(m_indexof_left, t, s, offset);
expr_ref y = mk_skolem(m_indexof_right, t, s, offset);