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merge

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-28 10:32:38 -07:00
parent 4aa1e60daa
commit 6d17c656bd
4 changed files with 14 additions and 24 deletions
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11
src/smt/seq_eq_solver.cpp
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@ -939,14 +939,9 @@ bool theory_seq::branch_quat_variable() {
* align_m(x1, x, _, _) - align_m(y1, x, _, _) = x1 - y1
*/
literal theory_seq::mk_alignment(expr* e1, expr* e2) {
if (m_sk.is_align(e1) && m_sk.is_align(e2)) {
expr* x1 = to_app(e1)->get_arg(0);
expr* x2 = to_app(e1)->get_arg(1);
expr* y1 = to_app(e2)->get_arg(0);
expr* y2 = to_app(e2)->get_arg(1);
if (x2 == y2 && x1 != y1) {
return mk_alignment(x1, y1);
}
expr* x1 = nullptr, *x2 = nullptr, *y1 = nullptr, *y2 = nullptr;
if (m_sk.is_align(e1, x1, x2) && m_sk.is_align(e2, y1, y2) && x2 == y2 && x1 != y1) {
return mk_alignment(x1, y1);
}
return mk_simplified_literal(m_autil.mk_le(mk_sub(mk_len(e1), mk_len(e2)), m_autil.mk_int(0)));
}