\input zb-basic \input zb-ioport \iteman{io-port 70859657} \itemau{Hanna, Aiman; Ling, Hai Zhou; Furlong, Jason; Debbabi, Mourad} \itemti{Towards automation of testing high-level security properties} \itemso{DBSec, 268-282 (2008).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-540-70567-3\_21} \end