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Proof step 105 from proof delta-wear-leveling (previous step)

# apebs = # wlar, wlar[vtblpnum2] = wl-entry(m1, used), wlar[vtblpnum1] = wl-entry(m0, free), apebs[vtblpnum2] = mkpeb(aehdr, avhdr0, buf1, m2, false), apebs1 = apebs, q1 = q, vols1 = vols, wlar0 = wlar, vtblpnum1 < # wlar, vtblpnum2 < # 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(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, n1), valid-vtbl(apebs, vols, wlar, n2), valid-wl(apebs, wlar), m1 + WL_THRESHOLD ≤ m0 ⊦ VTBL_VOLID ∈ vols, avhdr0.vol = VTBL_VOLID ∧ avhdr0.leb = VTBL_LNUM, ubi-cons(apebs, vols, wlar, q, bflipset0, n2, n1) ∧ ubi-io-inv(apebs) ∧ LEB_SIZE ≤ # copy(apebs[vtblpnum2].data, 0, mkbuf(LEB_SIZE), 0, LEB_SIZE) ∧ vtblpnum1 < # wlar ∧ LEB_SIZE ≤ LEB_SIZE ∧ wlar[vtblpnum1].status = free ∧ apebs = apebs ∧ is-aligned(LEB_SIZE, EB_PAGE_SIZE) ∧ (avhdr0.vol ∈ vols ∧ avhdr0.leb < # vols[avhdr0.vol] ∨ avhdr0.vol = VTBL_VOLID ∧ avhdr0.leb = VTBL_LNUM) ∧ vols = vols ∧ q = q ∧ n2 = n2

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 106:
# apebs = # wlar, wlar[vtblpnum2] = wl-entry(m1, used), wlar[vtblpnum1] = wl-entry(m0, free), apebs[vtblpnum2] = mkpeb(aehdr, avhdr0, buf1, m2, false), vtblpnum1 < # wlar, vtblpnum2 < # 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(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, n1), valid-vtbl(apebs, vols, wlar, n2), valid-wl(apebs, wlar), m1 + WL_THRESHOLD ≤ m0 ⊦ VTBL_VOLID ∈ vols, avhdr0.vol = VTBL_VOLID ∧ avhdr0.leb = VTBL_LNUM, avhdr0.vol ∈ vols ∧ avhdr0.leb < # vols[avhdr0.vol]

Rule argument

Additional information

Used simplifier rules: ⊦ wl-entry(m, stat).status = stat; (s)% ⊦ is-aligned(LEB_SIZE, EB_PAGE_SIZE); (ss)% ⊦ m ≤ m; (s)%# buf = m, # buf0 = m ⊦ copy(buf, 0, buf0, 0, m) = buf; (s)% ⊦ # mkbuf(n) = n; (s)%⊦ ubi-io-peb-inv(mkpeb(aehdr, avhdr, buf, n, boolvar)) → # buf = LEB_SIZE; (s)% ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).data = buf; (s)%⊦ ubi-cons(apebs, vols, wlar, q, bflipset, n0, n1) ↔ # apebs = # wlar ∧ unique-sqns(apebs) ∧ valid-global-sqn(apebs, n1) ∧ valid-wl(apebs, wlar) ∧ valid-eraseq(q) ∧ valid-eraseq(wlar, q) ∧ valid-eraseq(apebs, q) ∧ ¬ VTBL_VOLID ∈ vols ∧ bflipset-cons(bflipset, wlar) ∧ valid-ebatbl(apebs, wlar, vols, n0) ∧ valid-vtbl(apebs, vols, wlar, n0); (s)