| # lpt4 = # avol1, isbuf ↔ boolvar, avol0 = avol1, bleb = nobuffer, log = log1, log0 = nx, lpt = lpt3, lpt = replay-lpt(lpt4, log0, n), lpt0 = lpt1, lpt2 = lpt4, m = m1, m0 = LEB_SIZE, n = n0, n1 = 0, n < # lpt, avol-replay-lpt-unchanged(avol1, avol, lpt4, log0), awbuf-inv(avol, bleb), awbuf-inv(avol1, nobuffer), synced(avol), synced(avol1), n ≤ # lpt4 ⊦ n < # lpt |