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add a way to supress lambdas

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-06-10 14:35:20 -07:00
parent 97437bce4c
commit 5db133f875
8 changed files with 60 additions and 17 deletions
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21
src/smt/theory_seq.cpp
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@ -1455,7 +1455,9 @@ bool theory_seq::internalize_term(app* term) {
if (ctx.e_internalized(term)) {
mk_var(ctx.get_enode(term));
return true;
}
}
suppress_lambda(term);
if (m.is_bool(term) &&
(m_util.str.is_in_re(term) || m_sk.is_skolem(term))) {
@ -1490,6 +1492,23 @@ bool theory_seq::internalize_term(app* term) {
return true;
}
void theory_seq::suppress_lambda(app* term) {
if (!m_util.str.is_map(term) && !m_util.str.is_mapi(term) &&
!m_util.str.is_foldl(term) && !m_util.str.is_foldli(term))
return;
expr* fn = to_app(term)->get_arg(0);
quantifier* q = nullptr;
if (is_lambda(fn))
q = to_quantifier(fn);
else if (is_app(fn))
q = m.is_lambda_def(to_app(fn)->get_decl());
if (q)
ctx.add_non_lambda(q);
}
void theory_seq::add_length(expr* l) {
expr* e = nullptr;
VERIFY(m_util.str.is_length(l, e));