[Imprint][Data Privacy Statement][E-Mail]

View long theorem info. View the proof. Back to main index. View the specification. View theorem base summary, View theorem base listing, the used properties by spec, the dependency list, the symbol table,

Proof step 15 from proof crash-neutral-sync-erase (previous step)

apebs[n] = mkpeb(aehdr, avhdr, buf, m, false), apebs0 = apebs, n < # apebs, ubi-io-inv(apebs) ⊦ ⟨choose apeb with ubi-io-peb-inv(apeb) ∧ ¬ apeb.bad ∧ ¬ apeb.vidhdr.valid? in apebs[n] := apeb or skip⟩ (apebs0 = apebs)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Proof step 16:
apebs[n] = mkpeb(aehdr, avhdr, buf, m, false), apebs0 = apebs, n < # apebs, ubi-io-inv(apebs) ⊦ ⟨skip⟩ (apebs0 = apebs), ⟨choose apeb with ubi-io-peb-inv(apeb) ∧ ¬ apeb.bad ∧ ¬ apeb.vidhdr.valid? in apebs[n] := apeb⟩ (apebs0 = apebs)

Proof step 15 from proof crash-neutral-sync-erase (previous step)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Rule argument

Additional information