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normalization of union/intersection

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-06 12:54:44 -07:00
parent ccea27de35
commit ba1ca33637
4 changed files with 91 additions and 6 deletions
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1
src/ast/rewriter/seq_rewriter.h
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@ -238,6 +238,7 @@ class seq_rewriter {
bool rewrite_contains_pattern(expr* a, expr* b, expr_ref& result);
br_status mk_bool_app_helper(bool is_and, unsigned n, expr* const* args, expr_ref& result);
br_status mk_eq_helper(expr* a, expr* b, expr_ref& result);
bool cannot_contain_prefix(expr* a, expr* b);
bool cannot_contain_suffix(expr* a, expr* b);