| # wlar0 = # wlar1, # apebs = # wlar1, avhdr.sqn = valid-sqns(VTBL_VOLID, VTBL_LNUM, apebs).max, avhdr0.sqn = avhdr.sqn, wlar0[n0] = wl-entry(m6, used), apebs[m0] = mkpeb(aechdr(m5), avhdr0, buf0, m4, false), wlar1[m0] = wl-entry(m5, used), apebs[n0] = mkpeb(aechdr(m6), avhdr, buf, m2, false), wlar0[m0] = wl-entry(m3, erasing), m0 < # wlar1, n0 < # wlar1, bflipset-cons(bflipset, wlar1), bflipset-cons(bflipset0, wlar0), is-encoded(to-vtbl(vols1), buf0), is-encoded(to-vtbl(vols0), buf), unique-sqns(apebs), valid-ebatbl(apebs, wlar0, vols0, n0), valid-eraseq(q1), valid-eraseq(wlar1, q1), valid-eraseq(apebs, q1), valid-eraseq(q0), valid-eraseq(apebs, q0), valid-eraseq-strong(apebs, to-vtbl(vols0), q0), valid-global-sqn(apebs, m1), valid-global-sqn(apebs, n1), valid-peb(VTBL_VOLID, VTBL_LNUM, mkpeb(aechdr(m5), avhdr0, buf0, m4, false)), valid-peb(VTBL_VOLID, VTBL_LNUM, mkpeb(aechdr(m6), avhdr, buf, m2, false)), m0 ∈ q0, eq-entry(m0, VTBL_VOLID × VTBL_LNUM) ∈ q0, m0 < # apebs ∧ n0 < # apebs ∧ m0 ≠ n0 ∧ valid-peb(VTBL_VOLID, VTBL_LNUM, apebs[m0]) ∧ valid-peb(VTBL_VOLID, VTBL_LNUM, apebs[n0]) → (∃ bag. valid-sqns(VTBL_VOLID, VTBL_LNUM, apebs) = bag ++ apebs[m0].vidhdr.sqn ++ apebs[n0].vidhdr.sqn), ∀ v. (v ∈ vols1 ↔ v ∈ vols0) ∧ (v ∈ vols1 → # vols1[v] = # vols0[v] ∧ (∀ m. m < # vols1[v] ∧ vols1[v][m] ≠ unmapped → vols1[v][m] = vols0[v][m])) ⊦ avhdr0 = empty, VTBL_VOLID × VTBL_LNUM ∈ q1, VTBL_VOLID ∈ vols1, VTBL_VOLID ∈ vols0 |
# wlar0 = # wlar1, # apebs = # wlar1, avhdr.sqn = valid-sqns(VTBL_VOLID, VTBL_LNUM, apebs).max, avhdr0.sqn = avhdr.sqn, wlar0[n0] = wl-entry(m6, used), apebs[m0] = mkpeb(aechdr(m5), avhdr0, buf0, m4, false), wlar1[m0] = wl-entry(m5, used), apebs[n0] = mkpeb(aechdr(m6), avhdr, buf, m2, false), wlar0[m0] = wl-entry(m3, erasing), m0 < # wlar1, n0 < # wlar1, bflipset-cons(bflipset, wlar1), bflipset-cons(bflipset0, wlar0), is-encoded(to-vtbl(vols1), buf0), is-encoded(to-vtbl(vols0), buf), unique-sqns(apebs), valid-ebatbl(apebs, wlar0, vols0, n0), valid-eraseq(q1), valid-eraseq(wlar1, q1), valid-eraseq(apebs, q1), valid-eraseq(q0), valid-eraseq(apebs, q0), valid-eraseq-strong(apebs, to-vtbl(vols0), q0), valid-global-sqn(apebs, m1), valid-global-sqn(apebs, n1), valid-peb(VTBL_VOLID, VTBL_LNUM, mkpeb(aechdr(m5), avhdr0, buf0, m4, false)), valid-peb(VTBL_VOLID, VTBL_LNUM, mkpeb(aechdr(m6), avhdr, buf, m2, false)), m0 ∈ q0, eq-entry(m0, VTBL_VOLID × VTBL_LNUM) ∈ q0, m0 ≠ n0 → valid-sqns(VTBL_VOLID, VTBL_LNUM, apebs) = bag ++ avhdr.sqn ++ avhdr.sqn, ∀ v. (v ∈ vols1 ↔ v ∈ vols0) ∧ (v ∈ vols1 → # vols1[v] = # vols0[v] ∧ (∀ m. m < # vols1[v] ∧ vols1[v][m] ≠ unmapped → vols1[v][m] = vols0[v][m])) ⊦ avhdr0 = empty, VTBL_VOLID × VTBL_LNUM ∈ q1, VTBL_VOLID ∈ vols1, VTBL_VOLID ∈ vols0
Used simplifier rules: ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).vidhdr = avhdr; (s)%⊦ valid-peb(v0, m0, apeb) → (valid-peb(v1, m1, apeb) ↔ v0 = v1 ∧ m0 = m1); (s)