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add interpretations when there are ranges

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2025-10-20 23:21:30 +02:00
parent 65f38eac16
commit 2e4402c8f3
8 changed files with 427 additions and 158 deletions
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20
src/ast/finite_set_decl_plugin.cpp
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@ -233,14 +233,25 @@ bool finite_set_decl_plugin::is_value(app * e) const {
continue;
}
bool is_setop =
is_app_of(a, m_family_id, OP_FINITE_SET_UNION)
|| is_app_of(a, m_family_id, OP_FINITE_SET_INTERSECT)
|| is_app_of(a, m_family_id, OP_FINITE_SET_DIFFERENCE);
// Check if it's a union
if (is_app_of(a, m_family_id, OP_FINITE_SET_UNION)) {
if (is_setop) {
// Add arguments to todo list
for (auto arg : *a)
todo.push_back(arg);
continue;
}
if (is_app_of(a, m_family_id, OP_FINITE_SET_RANGE)) {
for (auto arg : *a)
if (!m_manager->is_value(arg))
return false;
continue;
}
// can add also ranges where lo and hi are values.
// If it's none of the above, it's not a value
@ -271,3 +282,10 @@ bool finite_set_decl_plugin::are_distinct(app* e1, app* e2) const {
// that the other doesn't contain. Such as (union (singleton a) (singleton b)) and (singleton c) where c is different from a, b.
return false;
}
func_decl *finite_set_util::mk_range_decl() {
arith_util a(m_manager);
sort *i = a.mk_int();
sort *domain[2] = {i, i};
return m_manager.mk_func_decl(m_fid, OP_FINITE_SET_RANGE, 0, nullptr, 2, domain, nullptr);
}