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remove iff

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-16 18:35:38 -07:00 • committed by Arie Gurfinkel
parent ecf15ab07d
commit ff0f257102
47 changed files with 199 additions and 264 deletions
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5
src/ast/macros/macro_manager.cpp
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@ -169,9 +169,8 @@ void macro_manager::mark_forbidden(unsigned n, justified_expr const * exprs) {
void macro_manager::get_head_def(quantifier * q, func_decl * d, app * & head, expr * & def) const {
app * body = to_app(q->get_expr());
SASSERT(m.is_eq(body) || m.is_iff(body));
expr * lhs = to_app(body)->get_arg(0);
expr * rhs = to_app(body)->get_arg(1);
expr * lhs = nullptr, *rhs = nullptr;
VERIFY(m.is_eq(body, lhs, rhs));
SASSERT(is_app_of(lhs, d) || is_app_of(rhs, d));
SASSERT(!is_app_of(lhs, d) || !is_app_of(rhs, d));
if (is_app_of(lhs, d)) {