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Proof step 33 from proof refine-read-data (previous step)

# buf3 = # buf0, # buf0 = n3 + n2 + n1, apebs[m3] = mkpeb(aehdr, avhdr, buf1, m2, false), pebs[m3] = mkpeb(buf2, m4, false), subarray(buf3, n2, n1) = subarray(buf2, m1 + 2 * EB_PAGE_SIZE, n1), m3 < # pebs, m3 < # apebs, n < # buf0, abs(pebs, apebs), abs-peb(mkpeb(buf2, m4, false), mkpeb(aehdr, avhdr, buf1, m2, false)), mtd-cons(pebs), range=(buf3, 0, buf0, 0, n2), range=(buf3, n2 + n1, buf0, n2 + n1, n3), ubi-io-inv(apebs), n2 + n1 ≤ # buf0, (m1 + 2 * EB_PAGE_SIZE) + n1 ≤ PEB_SIZE, m1 + n1 ≤ LEB_SIZE, n < n2 ∨ n2 + n1 ≤ n ⊦ buf3[n] = buf0[n]

User applied rule case distinction

And obtained the following new goals

Rule argument

pos: left 18

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