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Proof step 179 from proof refine-write (previous step)

# apebs0 = # wlar, LEB_SIZE = (n1 + n2) + vtblpnum5, apebs0[n4] = mkpeb(aehdr, avhdr, buf2, m0, false), wlar[n4] = wl-entry(m1, used), avols[v][vtblpnum3] = mapped(buf2, m), vols[v][vtblpnum3] = ⌜n4⌝ , apebs = apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)], n2 ≠ 0, vtblpnum4 ≠ n4, avhdr.valid?, aehdr.valid?, vtblpnum3 < # vols[v], n2 < n5, vtblpnum3 < # avols[v], n4 < # wlar, abs(avols, apebs0, vols, q), abs (avols[v, avols[v][vtblpnum3, mapped(subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2)]], apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)], vols, q), bflipset-cons(bflipset, wlar), ebm-cons(avols), ebm-cons(avols[v, avols[v][vtblpnum3, mapped(subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2)]]), is-aligned(n2, EB_PAGE_SIZE), is-aligned(n5, EB_PAGE_SIZE), is-aligned(vtblpnum5, EB_PAGE_SIZE), ubi-io-inv(apebs0), ubi-io-inv(apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)]), ubi-io-peb-inv(mkpeb(aehdr, avhdr, buf2, m0, false)), unique-sqns(apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)]), unique-sqns(apebs0), valid-ebatbl (apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)], wlar, vols, vtblpnum4), valid-ebatbl(apebs0, wlar, vols, vtblpnum4), valid-eraseq(apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)], q), valid-eraseq(apebs0, q), valid-eraseq(wlar, q), valid-eraseq(q), valid-global-sqn(apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)], sqnum), valid-global-sqn(apebs0, sqnum), valid-vtbl(apebs0, vols, wlar, vtblpnum4), valid-wl(apebs0[n4, mkpeb(aehdr, avhdr, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2, false)], wlar), valid-wl(apebs0, wlar), v ∈ avols, v ∈ vols, vtblpnum5 ≤ LEB_SIZE, n3 + n5 ≤ # buf, m0 ≤ LEB_SIZE, m ≤ LEB_SIZE, n2 + vtblpnum5 ≤ LEB_SIZE, m0 ≤ vtblpnum5, m ≤ vtblpnum5, n5 + n3 ≤ # buf, n3 + n2 ≤ # buf, vtblpnum5 + n5 ≤ LEB_SIZE, ⌊err3⌋ , ¬ VTBL_VOLID ∈ vols ⊦ [ubi_change# (v, vtblpnum3, vtblpnum5 + n5, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n5), EB_PAGE_SIZE ; vols, wlar, q, bflipset, vtblpnum4, sqnum, apebs ; err)] ( ⟨avols0 := avols[v, avols[v][vtblpnum3, mapped(subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n2) + mkempbuf(n1), vtblpnum5 + n2)]]; ebm_change#(v, vtblpnum3, vtblpnum5 + n5, subarray(buf2, 0, vtblpnum5) + subarray(buf, n3, n5); avols0; err0)⟩ (abs(avols0, apebs, vols, q) ∧ err = err0) → ⟨ebm_write#(v, vtblpnum3, vtblpnum5, n3, n5, buf; avols; err1)⟩ (abs(avols, apebs, vols, q) ∧ err = err1))

User applied rule skip call

And obtained the following new goals

Rule argument

pos: right 1

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