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Proof step 180 from proof refine-write-data-wl (previous step)

pebs[m1] = mkpeb(buf1, 2 * EB_PAGE_SIZE, false), apebs[m1] = mkpeb(aehdr, avhdr, buf2, 0, false), buf0 = buf, m = m1, n = align↑(datasize(buf, n), EB_PAGE_SIZE), avhdr.valid?, aehdr.valid?, m1 < # pebs, m1 < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf1, 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, ⌊err0⌋ ⊦ ⟨abort⟩ (abs(pebs, apebs) ∧ err0 = err), datasize(buf, n) = 0, ubi-io-write-data-wl-pre(m, n, buf0, apebs)

Heuristic symbolic execution applied rule abort right

And obtained the following new goals

Proof step 181:
apebs[m1] = mkpeb(aehdr, avhdr, buf2, 0, false), pebs[m1] = mkpeb(buf1, 2 * EB_PAGE_SIZE, false), buf0 = buf, m = m1, n = align↑(datasize(buf, n), EB_PAGE_SIZE), aehdr.valid?, avhdr.valid?, m1 < # apebs, m1 < # pebs, abs(pebs, apebs), abs-peb(mkpeb(buf1, 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, ⌊err0⌋ ⊦ datasize(buf, n) = 0, ubi-io-write-data-wl-pre(m, n, buf0, apebs)

Proof step 180 from proof refine-write-data-wl (previous step)

Heuristic symbolic execution applied rule abort right

And obtained the following new goals

Rule argument

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