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Proof step 30 from proof inv-io-read (previous step)

# buf2 = n2 + n0 + n, # buf = # buf2, UBI_READ_RETRIES = n1 + m4, pebs[m3] = mkpeb(buf1, m2, false), err = err0, err = ESUCCESS, m3 < # pebs, mtd-cons(pebs), range=(buf, 0, buf2, 0, n0), range=(buf, n0 + n, buf2, n0 + n, n2), m1 + n ≤ # pebs[m3].data, n0 + n ≤ # buf, m1 + n ≤ PEB_SIZE, n0 + n ≤ # buf2, m4 ≤ UBI_READ_RETRIES + 1, m4 ≤ UBI_READ_RETRIES, ⌊err1⌋ , ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪m := m4 + 1⟫ ( n0 + n ≤ # copy(pebs[m3].data, m1, buf, n0, n) ∧ m ≤ UBI_READ_RETRIES + 1 ∧ # copy(pebs[m3].data, m1, buf, n0, n) = # buf2 ∧ range=(copy(pebs[m3].data, m1, buf, n0, n), 0, buf2, 0, n0) ∧ range=(copy(pebs[m3].data, m1, buf, n0, n), n0 + n, buf2, n0 + n, n2) ∧ (err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → subarray(copy(pebs[m3].data, m1, buf, n0, n), n0, n) = subarray(pebs[m3].data, m1, n)) ∧ UBI_READ_RETRIES < n1 + m)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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