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Proof step 39 from proof prepost-write-multiple (previous step)

# apebs = # wlar, # apebs0 = # wlar0, LEB_SIZE = (n1 + m0) + m1, vols0[v][m] = unmapped, apebs[n] = mkpeb(aehdr, avhdr, buf0, m3, boolvar), buf0 = mkempbuf(m0) + subarray(buf, m2, m1) + mkempbuf(n1), m < # vols0[v], bflipset-cons(bflipset, wlar0), bflipset-cons(bflipset, wlar), id(apebs, apebs0, mapped-pebs(vols0)), is-aligned(m0, EB_PAGE_SIZE), is-aligned(m1, EB_PAGE_SIZE), ubi-io-inv(apebs0), ubi-io-inv(apebs), unique-sqns(apebs), unique-sqns(apebs0), valid-ebatbl(apebs, wlar, vols0[v, vols0[v][m, ⌜n⌝ ]], vtblpnum3), valid-ebatbl(apebs0, wlar0, vols0, vtblpnum3), valid-eraseq(apebs, q), valid-eraseq(wlar, q), valid-eraseq(q), valid-eraseq(q0), valid-eraseq(wlar0, q0), valid-eraseq(apebs0, q0), valid-global-sqn(apebs, sqnum), valid-global-sqn(apebs0, sqnum0), valid-vtbl(apebs, vols0, wlar, vtblpnum3), valid-vtbl(apebs0, vols0, wlar0, vtblpnum3), valid-wl(apebs, wlar), valid-wl(apebs0, wlar0), v ∈ vols0, m1 + m2 ≤ # buf, m1 ≤ LEB_SIZE, m2 + m1 ≤ # buf, m0 + m1 ≤ LEB_SIZE, q.lebrefs ⊆ q0.lebrefs ++ (v × m), m1 = 0 → m3 = 0, m1 ≠ 0 → m3 = m0 + m1, m1 = 0 → q.lebrefs ⊆ q0.lebrefs ⊦ vtblpnum3 ∈ q, vtblpnum3 ∈ q0, VTBL_VOLID ∈ vols0, ∃ n0. vols0[v, vols0[v][m, ⌜n⌝ ]] = vols0[v, vols0[v][m, ⌜n0⌝ ]] ∧ (m1 ≠ 0 → apebs[n0].fill = m0 + m1) ∧ (m1 = 0 → apebs[n0].fill = 0) ∧ apebs[n0].data = buf0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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