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Proof step 5 from proof inv-read-data (previous step)

apebs[n6] = mkpeb(aehdr, avhdr, buf1, m, false), buf0 = buf, n = n3, n0 = n4, n1 = n5, n2 = n6, n6 < # apebs, ubi-io-inv(apebs), n5 + n3 ≤ LEB_SIZE, n4 + n3 ≤ # buf ⊦ ⟪if ubi-io-read-data-pre(n2, n1, n0, n, buf0, apebs) then {fail_or_success#(; ; err); bitflips := ?; if err = ESUCCESS then buf0 := copy(apebs[n2].data, n1, buf0, n0, n) else choose buf with # buf = # buf0 ∧ range=(buf, 0, buf0, 0, n0) ∧ range=(buf, n0 + n, buf0, n0 + n, # buf0 - n0 + n) in buf0 := buf} else abort⟫ true

Heuristic conditional right split applied rule if right

And obtained the following new goals

Proof step 6:
apebs[n6] = mkpeb(aehdr, avhdr, buf1, m, false), buf0 = buf, n = n3, n0 = n4, n1 = n5, n2 = n6, n6 < # apebs, ubi-io-inv(apebs), ubi-io-read-data-pre(n2, n1, n0, n, buf0, apebs), n4 + n3 ≤ # buf, n5 + n3 ≤ LEB_SIZE ⊦ ⟪fail_or_success#(; ; err); bitflips := ?; if err = ESUCCESS then buf0 := copy(apebs[n2].data, n1, buf0, n0, n) else choose buf with # buf = # buf0 ∧ range=(buf, 0, buf0, 0, n0) ∧ range=(buf, n0 + n, buf0, n0 + n, # buf0 - n0 + n) in buf0 := buf⟫ true
Proof step 21:
apebs[n6] = mkpeb(aehdr, avhdr, buf1, m, false), buf0 = buf, n = n3, n0 = n4, n1 = n5, n2 = n6, n6 < # apebs, ubi-io-inv(apebs), n4 + n3 ≤ # buf, n5 + n3 ≤ LEB_SIZE ⊦ ⟪abort⟫ true, ubi-io-read-data-pre(n2, n1, n0, n, buf0, apebs)

Rule argument

pos: right 1

Proof step 5 from proof inv-read-data (previous step)

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

Additional information