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Proof step 13 from proof refine-read-data (previous step)

pebs[m3] = mkpeb(buf2, m, false), apebs[m3] = mkpeb(aehdr, avhdr, buf1, m2, false), buf = buf0, m3 < # apebs, m3 < # pebs, abs(pebs, apebs), abs-peb(mkpeb(buf2, m, false), mkpeb(aehdr, avhdr, buf1, m2, false)), mtd-cons(pebs), ubi-io-inv(apebs), m0 + n1 ≤ LEB_SIZE, (m0 + 2 * EB_PAGE_SIZE) + n1 ≤ PEB_SIZE, n2 + n1 ≤ # buf0 ⊦ [ubi_io_read#(m3, m0 + 2 * EB_PAGE_SIZE, n2, n1, pebs; buf; bitflips, err)] ( # buf = # buf0 ∧ range=(buf, 0, buf0, 0, n2) ∧ range=(buf, n2 + n1, buf0, n2 + n1, # buf0 - n2 + n1) ∧ (err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → subarray(buf, n2, n1) = subarray(pebs[m3].data, m0 + 2 * EB_PAGE_SIZE, n1)) → ⟨aubi_io_read_data#(m3, m0, n2, n1, apebs; buf0; isbad, err0)⟩ (buf = buf0 ∧ (bitflips ↔ isbad) ∧ err = err0))

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 14:
# buf0 = n0 + n2 + n1, apebs[m3] = mkpeb(aehdr, avhdr, buf1, m2, false), pebs[m3] = mkpeb(buf2, m, false), buf = buf0, m3 < # pebs, m3 < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf2, m, false), mkpeb(aehdr, avhdr, buf1, m2, false)), mtd-cons(pebs), ubi-io-inv(apebs), n2 + n1 ≤ # buf0, (m0 + 2 * EB_PAGE_SIZE) + n1 ≤ PEB_SIZE, m0 + n1 ≤ LEB_SIZE ⊦ [ubi_io_read#(m3, m0 + 2 * EB_PAGE_SIZE, n2, n1, pebs; buf; bitflips, err)] ( # buf = # buf0 ∧ range=(buf, 0, buf0, 0, n2) ∧ range=(buf, n2 + n1, buf0, n2 + n1, n0) ∧ (err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → subarray(buf, n2, n1) = subarray(pebs[m3].data, m0 + 2 * EB_PAGE_SIZE, n1)) → ⟨aubi_io_read_data#(m3, m0, n2, n1, apebs; buf0; isbad, err0)⟩ (buf = buf0 ∧ (bitflips ↔ isbad) ∧ err = err0))

Rule argument

spec: nat name: elim-sub seq: n ≤ m ⊦ n0 = m - n ↔ m = n0 + n subst: [m, n, n0] → [# buf0, n2 + n1, n]

Additional information

Used simplifier rules: n ≤ m ⊦ n0 = m - n ↔ m = n0 + n; (elim) Used terms: # buf0, n2 + n1, n