| wlar[m0] = wl-entry(m1, free), wlar[vtblpnum] = wl-entry(m, stat), m1 < n, m0 < # wlar, ¬ m1 ∈ free-ecs(wlar, # wlar) ∨ ¬ m1 < n ⊦ vtblpnum < # wlar ∧ stat = free ∧ m = ∅.max |
wlar[vtblpnum] = wl-entry(m, stat), wlar[m0] = wl-entry(m1, free), m0 < # wlar, m1 < n ⊦ m1 ∈ free-ecs(wlar, # wlar), vtblpnum < # wlar ∧ stat = free ∧ m = ∅.max