You're right... speculation only since the end is so intentionally ambiguous. Personally, I am sorry, but I think she's dead. She could not have survived the "whipping" also all the more reason for John to do what he does in the last paragraph.
If she lives, she a) acts so anti-social that she is sent to Iceland/Faulkan Islands (choose her fantasy), b) she finagles her way back to the Sav Res to "atone", or c) they commit her to soma coma like Linda (she'd be useless to society after witnessing a scene like that.
| 
