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Proof step 315 from proof inv-format (previous step)

# wlar = # apebs1, # buf1 = LEB_SIZE, apebs1[vtblpnum2] = mkpeb(aehdr, empty, buf0, m, false), apebs0 = apebs1[vtblpnum2, apebs1[vtblpnum2].vidhdr:= avidhdr(VTBL_VOLID, VTBL_LNUM, 0, 0, 0)], vtblpnum1 = LEB_SIZE, aehdr.valid?, vtblpnum2 < # apebs1, vtblpnum2 < # wlar, ubi-io-initial(apebs1), ubi-io-inv(apebs1[vtblpnum2, mkpeb(aehdr, avidhdr(VTBL_VOLID, VTBL_LNUM, 0, 0, 0), buf0, m, false)]), ENCODED_NAT_SIZE ≤ LEB_SIZE, err = ESUCCESS → is-encoded(∅, buf1), ∀ n3. n3 < # apebs1 → (apebs1[n3].bad → wlar[n3] = wl-entry(0, erroneous)) ∧ (¬ apebs1[n3].bad → apebs1[n3].echdr.valid? ∧ wlar[n3] = wl-entry(apebs1[n3].echdr.ec, free) ∧ apebs1[n3].vidhdr = empty), err = ESUCCESS ∨ ⌊err⌋ ⊦ ⟪sqnum := 1; bflipset := ∅⟫ ( ( err = ESUCCESS → # apebs0 = # wlar[vtblpnum2, wl-entry(wlar[vtblpnum2].ec, used)] ∧ unique-sqns(apebs0) ∧ valid-global-sqn(apebs0, sqnum) ∧ valid-wl(apebs0, wlar[vtblpnum2, wl-entry(wlar[vtblpnum2].ec, used)]) ∧ valid-eraseq([]) ∧ valid-eraseq(wlar[vtblpnum2, wl-entry(wlar[vtblpnum2].ec, used)], []) ∧ valid-eraseq(apebs0, []) ∧ ¬ VTBL_VOLID ∈ ∅ ∧ bflipset-cons(bflipset, wlar[vtblpnum2, wl-entry(wlar[vtblpnum2].ec, used)]) ∧ valid-ebatbl(apebs0, wlar[vtblpnum2, wl-entry(wlar[vtblpnum2].ec, used)], ∅, vtblpnum2) ∧ valid-vtbl(apebs0, ∅, wlar[vtblpnum2, wl-entry(wlar[vtblpnum2].ec, used)], vtblpnum2) ∧ vtblpnum1 = LEB_SIZE ∧ ubi-io-inv(apebs0)) ∧ (err = ESUCCESS ∨ ⌊err⌋ ) ∧ (err = ESUCCESS → ∅ = ∅)), err = ESUCCESS, vtblpnum2 = # apebs1

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

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