| lpt[m] = mklp(m0, m1, lpf, m2), m < # lpt, m < n0 +1, n0 +1 ≤ # lpt, ∀ lpt, m, m0, m1, lpf, m2. lpt[m] = mklp(m0, m1, lpf, m2) ∧ m < n0 ∧ m < # lpt ∧ n0 ≤ # lpt → cleanup-lpt(lpt, n0)[m] = (m0 = 0 ∧ lpf ≠ LP_FREE ⊃ mklp(0, 0, LP_FREE, m2);mklp(m0, m1, lpf, m2)) ⊦ cleanup-lpt(lpt, n0 +1)[m] = (m0 = 0 ∧ lpf ≠ LP_FREE ⊃ mklp(0, 0, LP_FREE, m2);mklp(m0, m1, lpf, m2)) |
lpt[m] = mklp(m0, m1, lpf, m2), m < # lpt, n0 < # lpt, m ≤ n0, ∀ lpt, m, m0, m1, lpf, m2. lpt[m] = mklp(m0, m1, lpf, m2) ∧ m < n0 ∧ m < # lpt ∧ n0 ≤ # lpt → cleanup-lpt(lpt, n0)[m] = (m0 = 0 ∧ lpf ≠ LP_FREE ⊃ mklp(0, 0, LP_FREE, m2);mklp(m0, m1, lpf, m2)) ⊦ (lpt[n0].ref-size = 0 ∧ lpt[n0].flags ≠ LP_FREE ⊃ cleanup-lpt(lpt, n0)[n0, mklp(0, 0, LP_FREE, lpt[n0].gcheapidx)];cleanup-lpt(lpt, n0))[m] = (m0 = 0 ∧ lpf ≠ LP_FREE ⊃ mklp(0, 0, LP_FREE, m2);mklp(m0, m1, lpf, m2))
Used simplifier rules: cleanup-lpt-rec: n < # lpt ⊦ cleanup-lpt(lpt, n + 1) = (lpt[n].ref-size = 0 ∧ lpt[n].flags ≠ LP_FREE ⊃ cleanup-lpt(lpt, n)[n, mklp(0, 0, LP_FREE, lpt[n].gcheapidx)] ;cleanup-lpt(lpt, n) );% ⊦ m < n + 1 ↔ ¬ n < m; (s)%c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ m ≤ n → (n < m ↔ false); (s)% ⊦ m + 1 ≤ n ↔ m < n; (s)% ⊦ m < n ↔ ¬ n ≤ m; (ss)% ⊦ m +1 = m + 1; (s)