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Proof step 108 from proof delta-wear-leveling (previous step)

# apebs = # wlar, apebs[vtblpnum2] = mkpeb(aehdr, avhdr0, buf1, m2, false), wlar[vtblpnum1] = wl-entry(m0, free), wlar[vtblpnum2] = wl-entry(m1, used), vtblpnum2 < # wlar, vtblpnum1 < # wlar, bflipset-cons(bflipset0, wlar), ubi-io-inv(apebs), ubi-io-peb-inv(mkpeb(aehdr, avhdr0, buf1, m2, false)), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, n2), valid-eraseq(apebs, q), valid-eraseq(wlar, q), valid-eraseq(q), valid-global-sqn(apebs, n1), valid-vtbl(apebs, vols, wlar, n2), m1 + WL_THRESHOLD ≤ m0, ∀ n. n < # wlar → (wlar[n].status = erroneous ↔ apebs[n].bad) ∧ (wlar[n].status = free → apebs[n].vidhdr = empty) ∧ (wlar[n].status ≠ erroneous ∧ wlar[n].status ≠ erasing → apebs[n].echdr = aechdr(wlar[n].ec)) ∧ (wlar[n].status = used → (∃ v, m. valid-peb(v, m, apebs[n]) ∧ apebs[n].vidhdr.sqn = valid-sqns(v, m, apebs).max)) ⊦ VTBL_VOLID ∈ vols, avhdr0.vol ∈ vols ∧ avhdr0.leb < # vols[avhdr0.vol], avhdr0.vol = VTBL_VOLID ∧ avhdr0.leb = VTBL_LNUM

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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