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Proof step 151 from proof refine-write-data-wl (previous step)

pebs[m1] = mkpeb(buf0, 2 * EB_PAGE_SIZE, false), apebs[m1] = mkpeb(aehdr, avhdr, buf2, 0, false), n = align↑(datasize(buf, n), EB_PAGE_SIZE), datasize(buf, n) ≠ 0, avhdr.valid?, aehdr.valid?, m1 < # pebs, m1 < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf0, 2 * EB_PAGE_SIZE, false), mkpeb(aehdr, avhdr, buf2, 0, false)), is-aligned(n, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), n ≤ # buf, n ≤ LEB_SIZE, ⌊err1⌋ ⊦ ⟨apebs[m1] := mkpeb(apebs[m1].echdr, apebs[m1].vidhdr, mkempbuf(LEB_SIZE - 0), 0, apebs[m1].bad)⟩ abs(pebs, apebs)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 152:
apebs[m1] = mkpeb(aehdr, avhdr, buf2, 0, false), pebs[m1] = mkpeb(buf0, 2 * EB_PAGE_SIZE, false), n = align↑(datasize(buf, n), EB_PAGE_SIZE), aehdr.valid?, avhdr.valid?, m1 < # apebs, m1 < # pebs, abs(pebs, apebs), abs-peb(mkpeb(buf0, 2 * EB_PAGE_SIZE, false), mkpeb(aehdr, avhdr, buf2, 0, false)), is-aligned(n, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), n ≤ LEB_SIZE, n ≤ # buf, LEB_SIZE ≥ 0, ⌊err1⌋ ⊦ datasize(buf, n) = 0, abs(pebs, apebs[m1, mkpeb(apebs[m1].echdr, apebs[m1].vidhdr, mkempbuf(LEB_SIZE - 0), 0, apebs[m1].bad)])

Rule argument

Additional information

Used simplifier rules: ⊦ n ≥ m ↔ m ≤ n; (s)% ⊦ 0 ≤ m; (s)