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Proof step 102 from proof delta-atomic-leb-change (previous step)

n3 + # buf2 = align↑(datasize(buf, n3 + # buf2), EB_PAGE_SIZE), apebs0[n2] = mkpeb(aehdr, empty, buf1, 0, false), wlar[n2] = wl-entry(m0, stat), wlar[n1] = wl-entry(m1, stat0), align↑(datasize(buf, n0), EB_PAGE_SIZE) = n3 + # buf2, lref = none, vtblpnum = n2, wlar0 = wlar, aehdr.valid?, n2 < # wlar, n1 < # wlar, n2 < # apebs0, is-aligned(# buf2, EB_PAGE_SIZE), n3 + # buf2 ≤ # buf, n3 + # buf2 ≤ LEB_SIZE, # buf2 ≤ # buf, # buf2 ≤ LEB_SIZE, ⌊err0⌋ , v ∈ vols ∧ m2 < # vols[v] ∧ vols[v][m2] = ⌜n1⌝ ∨ v = VTBL_VOLID ∧ m2 = VTBL_LNUM ∧ vtblpnum1 = n1, datasize(buf2, # buf2) < datasize(buf, n3 + # buf2) ∨ checksum(buf2 + mkempbuf(n3), datasize(buf, n3 + # buf2)) ≠ checksum(buf, datasize(buf, n3 + # buf2)) ⊦ [wlar[vtblpnum].status := erasing; q := q + eq-entry(vtblpnum, lref)] (sum-of-differences(ecs(wlar).max, ecs(wlar)) = sum-of-differences(ecs(wlar0).max, ecs(wlar0)) ∧ ecs(wlar) = ecs(wlar0)), datasize(buf, n0) = 0, datasize(buf, n3 + # buf2) = 0, n2 = n1

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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