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fix #6792, add scaffolding for type variables

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-07-07 17:22:56 -07:00
parent f5c069f899
commit 5806869ae4
8 changed files with 96 additions and 14 deletions
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11
src/ast/rewriter/bool_rewriter.cpp
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@ -665,12 +665,19 @@ br_status bool_rewriter::try_ite_value(app * ite, app * val, expr_ref & result)
SASSERT(m().is_value(val));
if (m().are_distinct(val, e)) {
mk_eq(t, val, result);
if (get_depth(t) < 500)
mk_eq(t, val, result);
else
result = m().mk_eq(t, val);
result = m().mk_and(result, cond);
return BR_REWRITE2;
}
if (m().are_distinct(val, t)) {
mk_eq(e, val, result);
if (get_depth(e) < 500)
mk_eq(e, val, result);
else
result = m().mk_eq(e, val);
result = m().mk_and(result, m().mk_not(cond));
return BR_REWRITE2;
}