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expand select/store when I/J are values #6053

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-05-25 20:23:43 -04:00
parent 4d8e4b5bd3
commit f77037e9a5
3 changed files with 38 additions and 2 deletions
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19
src/ast/array_decl_plugin.cpp
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@ -630,6 +630,24 @@ bool array_decl_plugin::is_fully_interp(sort * s) const {
return m_manager->is_fully_interp(get_array_range(s));
}
bool array_decl_plugin::is_value(app * _e) const {
expr* e = _e;
array_util u(*m_manager);
while (true) {
if (u.is_const(e, e))
return m_manager->is_value(e);
if (u.is_store(e)) {
for (unsigned i = 1; i < to_app(e)->get_num_args(); ++i)
if (!m_manager->is_value(to_app(e)->get_arg(i)))
return false;
e = to_app(e)->get_arg(0);
continue;
}
return false;
}
}
func_decl * array_recognizers::get_as_array_func_decl(expr * n) const {
SASSERT(is_as_array(n));
return to_func_decl(to_app(n)->get_decl()->get_parameter(0).get_ast());
@ -704,3 +722,4 @@ func_decl* array_util::mk_array_ext(sort *domain, unsigned i) {
parameter p(i);
return m_manager.mk_func_decl(m_fid, OP_ARRAY_EXT, 1, &p, 2, domains);
}