| # lpt1 = # lpt0, LP_FREE = lpf, lpt0[n] = mklp(m, m0, LP_FREE, m1), lpt1[n] = mklp(m, m0, lpf, m2), n < # lpt0, ∀ n. n < # lpt0 ∧ lpt1[n].flags = LP_FREE → lpt1[n].ref-size = 0 ⊦ m = 0 |
# lpt1 = # lpt0, lpt1[n] = mklp(m, m0, LP_FREE, m2), lpt0[n] = mklp(m, m0, LP_FREE, m1), n < # lpt0, ∀ n. n < # lpt0 ∧ lpt1[n].flags = LP_FREE → lpt1[n].ref-size = 0 ⊦ m = 0