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fix #1390

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-12-07 05:15:53 +05:30
parent 2770c8f884
commit 39d1ad3edb
4 changed files with 10 additions and 8 deletions
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1
src/smt/theory_seq.cpp
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@ -3661,7 +3661,6 @@ void theory_seq::add_extract_axiom(expr* e) {
literal ls_le_i = mk_simplified_literal(m_autil.mk_le(mk_sub(i, ls), zero));
literal li_ge_ls = mk_simplified_literal(m_autil.mk_ge(ls_minus_i_l, zero));
literal l_ge_zero = mk_simplified_literal(m_autil.mk_ge(l, zero));
literal l_le_zero = mk_simplified_literal(m_autil.mk_le(l, zero));
literal ls_le_0 = mk_simplified_literal(m_autil.mk_le(ls, zero));
add_axiom(~i_ge_0, ~ls_le_i, mk_seq_eq(xey, s));