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Proof step 4 from proof inv-read-echdr (previous step)

apebs[n] = mkpeb(aehdr0, avhdr, buf, m, false), n < # apebs, ubi-io-inv(apebs) ⊦ ⟪aubi_io_read_echdr#(n, apebs; aehdr; bitflips, err)⟫ true

Heuristic nonrecursive calls applied rule call right

And obtained the following new goals

Proof step 5:
apebs[n] = mkpeb(aehdr0, avhdr, buf, m, false), n < # apebs, ubi-io-inv(apebs) ⊦ ⟪if ubi-io-read-echdr-pre(n, apebs) then {fail_or_success#(; ; err); bitflips := ?; if err = ESUCCESS then aehdr := apebs[n].echdr else aehdr := ?} else abort⟫ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: read-echdr: ⊦ ;