Goldwasser and Regev: Alive or dead?

It appears that a framework of a deal has been reached to exchange four captured Hezbullah terrorists from the Second Lebanon War, some terrorists' bodies and Lebanese murderer Samir al-Kuntar for kidnapped IDF soldiers Ehud Goldwasser and Eldad Regev, body parts of Israeli soldiers, and information regarding IDF navigator Ron Arad whose plane was shot down over Lebanon in 1986 and who has not