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Proof step 185 from proof inv-wl-worker (previous step)

# apebs = # wlar, apebs[vtblpnum0] = mkpeb(aehdr, empty, mkempbuf(LEB_SIZE), 0, false), wlar[vtblpnum] = wl-entry(m1, used), wlar[vtblpnum0] = wl-entry(m0, free), aehdr.valid?, vtblpnum < # wlar, vtblpnum0 < # wlar, bflipset-cons(bflipset, wlar), bflipset-cons(bflipset0, wlar), ubi-io-inv(apebs), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum4), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum4), valid-wl(apebs, wlar), bflipset = ∅ → m1 + WL_THRESHOLD ≤ m0 ⊦ vtblpnum4 = vtblpnum0, ubi-io-read-vidhdr-pre(vtblpnum, apebs), VTBL_VOLID ∈ vols, vtblpnum4 ∈ q

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 186:
# apebs = # wlar, apebs[vtblpnum0] = mkpeb(aehdr, empty, mkempbuf(LEB_SIZE), 0, false), wlar[vtblpnum] = wl-entry(m1, used), wlar[vtblpnum0] = wl-entry(m0, free), apebs[vtblpnum].bad, aehdr.valid?, vtblpnum < # wlar, vtblpnum0 < # wlar, bflipset-cons(bflipset, wlar), bflipset-cons(bflipset0, wlar), ubi-io-inv(apebs), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum4), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum4), valid-wl(apebs, wlar), bflipset = ∅ → m1 + WL_THRESHOLD ≤ m0 ⊦ vtblpnum4 = vtblpnum0, VTBL_VOLID ∈ vols, vtblpnum4 ∈ q

Rule argument

Additional information

Used simplifier rules: ⊦ ubi-io-read-vidhdr-pre(n, apebs) ↔ n < # apebs ∧ ¬ apebs[n].bad; (s)