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Proof step 38 from proof inv-write-data (previous step)

apebs[n] = mkpeb(aehdr, avhdr, buf0, m, false), n2 = 0, avhdr.valid?, aehdr.valid?, n < # apebs, is-aligned(n4, EB_PAGE_SIZE), is-aligned(n5, EB_PAGE_SIZE), is-aligned(n2, EB_PAGE_SIZE), ubi-io-inv(apebs), n1 + n4 ≤ # buf, n5 + n4 ≤ LEB_SIZE, m ≤ n5, ⌊err0⌋ ∨ err0 = ESUCCESS, n2 < n4 ∨ n2 = 0 ∧ n4 = 0 ⊦ ⟪skip⟫ ubi-io-inv(apebs), err0 = ESUCCESS

Proof step 38 from proof inv-write-data (previous step)

Heuristic symbolic execution applied rule skip right

And closed the goal!

Rule argument

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