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Proof step 82 from proof inv-wl-worker (previous step)

# apebs1 = # wlar, # apebs = # wlar, # wlar0 = # wlar, q1.lebrefs = q.lebrefs, apebs[vtblpnum2] = mkpeb(aehdr1, avhdr, buf, m3, false), apebs[vtblpnum1] = mkpeb(aehdr, empty, mkempbuf(LEB_SIZE), 0, false), wlar[vtblpnum2] = wl-entry(m1, used), wlar[vtblpnum1] = wl-entry(m0, free), vtblpnum4 ≠ vtblpnum1, aehdr.valid?, vtblpnum2 < # wlar, vtblpnum1 < # wlar, bflipset-cons(bflipset1, wlar0), bflipset-cons(bflipset, wlar), bflipset-cons(bflipset0, wlar), id(apebs1, apebs, mapped-pebs(vols)), id○(apebs1, apebs, vtblpnum1), is-aligned(LEB_SIZE, EB_PAGE_SIZE), ubi-io-inv(apebs1), ubi-io-inv(apebs), ubi-io-peb-inv(mkpeb(aehdr1, avhdr, buf, m3, false)), unique-sqns(apebs1), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum4), valid-ebatbl(apebs1, wlar0, vols, vtblpnum), valid-eraseq(q1), valid-eraseq(wlar0, q1), valid-eraseq(apebs1, q1), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs1, sqnum0), valid-global-sqn(apebs, sqnum), valid-peb(mkpeb(aehdr1, avhdr, buf, m3, false)), valid-vtbl(apebs, vols, wlar, vtblpnum4), valid-vtbl(apebs1, vols, wlar0, vtblpnum), valid-wl(apebs1, wlar0), valid-wl(apebs, wlar), ⌊err⌋ , ¬ vtblpnum ∈ q1, ¬ vtblpnum2 ∈ q, ¬ vtblpnum4 ∈ q, ¬ VTBL_VOLID ∈ vols, bflipset = ∅ → m1 + WL_THRESHOLD ≤ m0, avhdr.vol ∈ vols ∧ avhdr.leb < # vols[avhdr.vol] ∨ avhdr.vol = VTBL_VOLID ∧ avhdr.leb = VTBL_LNUM ⊦ ⟪skip⟫ true

Heuristic symbolic execution applied rule skip right

And closed the goal!

Rule argument

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