According to cuм Ex Apostolatus Officio (a Papal Bull of Pope Paul IV, A.D. 1559) Francis I is not Pope.
Francis I is an Antipope.
Francis I is an Antipope because his election is invalid.
Francis I is an Antipope because he was elected by men who are Heretics.
Francis I is an Antipope because he was elected by men who are not real Cardinals.
Francis I is an Antipope because he is a Heretic.
Francis I is an Antipope because he is an Idolater.
Francis I is an Antipope.
I am a Catholic.
Therefore, I reject this evil heretic, Francis I.
I do not recognize Francis I as Pope.
I condemn Francis I as a Heretic, an Idolater, and an Antipope.
Francis I is an Antipope.