 Computer aided formal verification

Solutions to the paper whose cover dates the examination to 6 June 2015, 2:30–4:00 pm. Source: released examination archive, member 2015-cafv.pdf. All three questions are covered, although candidates were asked to attempt at most two. In the binary decision diagrams, dashed arrows mean zero and solid arrows mean one. In the linear temporal logic calculations, $F=◊$, $G=\square$ and $X=◯$.