\input zb-basic \input zb-ioport \iteman{io-port 70389416} \itemau{Wolfsthal, Yaron; Gott, Rebecca M.} \itemti{Formal verification: is it real enough?} \itemso{DAC, 670-671 (2005).} \itemcc{} \itemut{} \itemli{doi:10.1145/1065579.1065755} \end