tests/modes/not/not.model.xml

<models xmlns:xi="http://www.w3.org/2001/XInclude">
  <model name="NOT">
    <input_ports>
      <port name="I" combinational_sink_ports="O"/>
    </input_ports>
    <output_ports>
      <port name="O"/>
    </output_ports>
  </model>
</models>