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substitute into non-ground regexes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-09 14:58:25 -07:00
parent bac4726531
commit b0da5409c1
1 changed files with 3 additions and 0 deletions
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3
src/smt/seq_regex.cpp
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@ -275,6 +275,9 @@ namespace smt {
#endif #endif
} }
} }
if (!is_ground(d)) {
d = subst(d, sub);
}
// at this point there should be no free variables as the ites are at top-level. // at this point there should be no free variables as the ites are at top-level.
if (!re().is_empty(d)) if (!re().is_empty(d))
conds.push_back(th.mk_literal(sk().mk_accept(s, a().mk_int(idx + 1), d))); conds.push_back(th.mk_literal(sk().mk_accept(s, a().mk_int(idx + 1), d)));