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Proof step 60 from proof refine-write-vidhdr (previous step)

# buf2 = EB_PAGE_SIZE, pebs[m2] = mkpeb(buf1, EB_PAGE_SIZE, false), apebs[m2] = mkpeb(aehdr, empty, buf0, m1, false), err = err0, m = EB_PAGE_SIZE, m0 = m2, n0 = EB_PAGE_SIZE, n1 = 0, aehdr.valid?, m2 < # apebs, m2 < # pebs, abs(pebs, apebs), abs-peb(mkpeb(buf1, EB_PAGE_SIZE, false), mkpeb(aehdr, empty, buf0, m1, false)), is-aligned(n, EB_PAGE_SIZE), is-encoded(vidhdr(v, m6, m5, m3, m4), buf2), mtd-cons(pebs), ubi-io-inv(apebs), n < n0 ∨ n = 0 ∧ n0 = 0, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if n ≠ 0 then {pebs[m0].data := copy(buf2, n1, pebs[m0].data, m, n); pebs[m0].fill := m + n}⟫ ⟨aubi_io_write_vidhdr#(m2, avidhdr(v, m6, m5, m3, m4); apebs; err1)⟩ (abs(pebs, apebs) ∧ err = err1), err = ESUCCESS

Heuristic conditional right split applied rule if right

And obtained the following new goals

Rule argument

pos: right 1

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