| # apebs = # wlar, wlar[vtblpnum0].ec = below(free-ecs(wlar), free-ecs(wlar).min + 2 * WL_THRESHOLD).max, wlar[vtblpnum0].status = free, boolvar0 ↔ false, wlar[m] = wl-entry(m0, free), bflipset0 = bflipset, m < # wlar, m0 < free-ecs(wlar).min + 2 * WL_THRESHOLD, vtblpnum0 < # wlar, bflipset-cons(bflipset, wlar), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum1), valid-eraseq(apebs, q), valid-eraseq(wlar, q), valid-eraseq(q), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum1), valid-wl(apebs, wlar), n ∈ bflipset ⊦ ⟪vtblpnum := n; bflipset := bflipset -- n; boolvar0 := true⟫ ( bflipset-cons(bflipset, wlar) ∧ (boolvar0 → vtblpnum < # wlar ∧ wlar[vtblpnum].status = used ∧ (bflipset0 = ∅ → wlar[vtblpnum].ec + WL_THRESHOLD ≤ wlar[vtblpnum0].ec))), # free-ecs(wlar) = 0, bflipset = ∅, free-ecs(wlar) = ∅, vtblpnum1 = m, VTBL_VOLID ∈ vols, vtblpnum1 ∈ q |
# apebs = # wlar, wlar[vtblpnum0].ec = below(free-ecs(wlar), free-ecs(wlar).min + 2 * WL_THRESHOLD).max, wlar[vtblpnum0].status = free, boolvar0 ↔ false, wlar[m] = wl-entry(m0, free), bflipset0 = bflipset, vtblpnum0 < # wlar, m0 < free-ecs(wlar).min + 2 * WL_THRESHOLD, m < # wlar, bflipset-cons(bflipset, wlar), unique-sqns(apebs), valid-ebatbl(apebs, wlar, vols, vtblpnum1), valid-eraseq(q), valid-eraseq(wlar, q), valid-eraseq(apebs, q), valid-global-sqn(apebs, sqnum), valid-vtbl(apebs, vols, wlar, vtblpnum1), valid-wl(apebs, wlar), n ∈ bflipset ⊦ ⟪bflipset := bflipset -- n; boolvar0 := true⟫ ( bflipset-cons(bflipset, wlar) ∧ (boolvar0 → n < # wlar ∧ wlar[n].status = used ∧ (bflipset0 = ∅ → wlar[n].ec + WL_THRESHOLD ≤ wlar[vtblpnum0].ec))), # free-ecs(wlar) = 0, bflipset = ∅, free-ecs(wlar) = ∅, vtblpnum1 = m, vtblpnum1 ∈ q, VTBL_VOLID ∈ vols