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Proof step 29 from proof inv-write-data (previous step)

LEB_SIZE - n5 = n0 + n2, apebs[n] = mkpeb(aehdr, avhdr, buf0, m, false), avhdr.valid?, aehdr.valid?, n2 < n4, n < # apebs, is-aligned(n4, EB_PAGE_SIZE), is-aligned(n5, EB_PAGE_SIZE), is-aligned(n2, EB_PAGE_SIZE), ubi-io-inv(apebs), ubi-io-peb-inv(mkpeb(aehdr, avhdr, buf0, m, false)), n5 ≤ LEB_SIZE, m ≤ LEB_SIZE, n2 + n5 ≤ LEB_SIZE, n1 + n4 ≤ # buf, n5 + n4 ≤ LEB_SIZE, m ≤ n5, n1 + n2 ≤ # buf, n2 ≤ LEB_SIZE - n5, ⌊err0⌋ ⊦ n2 = 0, ubi-io-peb-inv(mkpeb(aehdr, avhdr, subarray(buf0, 0, n5) + subarray(buf, n1, n2) + mkempbuf(n0), n5 + n2, false))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 30:
LEB_SIZE - n5 = n0 + n2, apebs[n] = mkpeb(aehdr, avhdr, buf0, m, false), aehdr.valid?, avhdr.valid?, n < # apebs, n2 < n4, is-aligned(n2, EB_PAGE_SIZE), is-aligned(n5, EB_PAGE_SIZE), is-aligned(n4, EB_PAGE_SIZE), ubi-io-inv(apebs), ubi-io-peb-inv(mkpeb(aehdr, avhdr, buf0, m, false)), n1 + n2 ≤ # buf, m ≤ n5, n5 + n4 ≤ LEB_SIZE, n1 + n4 ≤ # buf, m ≤ LEB_SIZE, n5 ≤ LEB_SIZE, n2 + n5 ≤ LEB_SIZE, ⌊err0⌋ ⊦ n2 = 0, ubi-io-peb-inv(mkpeb(aehdr, avhdr, subarray(buf0, 0, n5) + subarray(buf, n1, n2) + mkempbuf(n0), n5 + n2, false))

Rule argument

Additional information

Used simplifier rules: n0 ≤ n ⊦ m ≤ n - n0 ↔ m + n0 ≤ n; (s)% ⊦ m ≤ n → (n < m ↔ false); (s)% ⊦ m ≤ n ↔ ¬ n < m; (ss)