I guess the alternative would be to claim that your results are incomplete rather than wrong. This does happen from time to time. Vinay Deolalikar claimed a pro

I guess the alternative would be to claim that your results are incomplete rather than wrong. This does happen from time to time. Vinay Deolalikar claimed a proof that P is not equal to NP which received intense scrutiny online two years ago and multiple errors were found. He has never withdrawn the claim. You can read his non-withdrawal here http://www.hpl.hp.com/personal/Vinay_Deolalikar/ http://www.hpl.hp.com/personal/Vinay_Deolalikar/