Musannaf Ibn Abi Shayba 35:442

Muhammad ibn Bishr al-‘Abdi narrated to us, Muhammad ibn ‘Amr narrated to us, Abu Salamah narrated to us, from Abu Hurayrah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "I am only a human being, and perhaps some of you may be more eloquent in his argument than others. So, whoever I judge in his favor regarding the right of his brother, I am only cutting out for him a piece of the Fire." And he mentioned that Abu Hanifah said: "If two false witnesses testify before a judge against a man regarding the divorce of his wife, and the judge separates them based on their testimony, there is no harm in one of them marrying her."