| # lpt0 = # avol, # lpt = # avol, # gndx = # lax, LEB_SIZE = n0 + # buf1, LEB_SIZE = n1 + m1 + 2 * NODE_HEADER_SIZE + gnd.alignedsize, avol[m5] = mapped(buf1), align↑(m2, 2 * NODE_HEADER_SIZE) = gnd.alignedsize, m5 < # avol, abs-node(subarray(buf1 + mkempbuf(n0), m1, 2 * NODE_HEADER_SIZE + gnd.alignedsize), gnd), abs-nodes(buf1, gndx, lax, true), awbuf-inv(avol, bleb), buf-ro-rw-mode(isbuf, bleb, lpt0, avol), bufs-log-only(bleb, log0, lpt0), is-encoded(nodeheader(m2, false), subarray(buf1 + mkempbuf(n0), m1, NODE_HEADER_SIZE)), lpt-free-unref(lpt), lpt-leb-size(lpt), lpt-ram-flash(lpt0, lpt, log0), range=(buf1 + mkempbuf(n0), m1 + NODE_HEADER_SIZE + gnd.alignedsize, validtrailer, 0, NODE_HEADER_SIZE), read-gblock-inv(m5, m1, ax0, gndx0, ax1, gndx2, buf1, false), m1 + 2 * NODE_HEADER_SIZE + gnd.alignedsize ≤ LEB_SIZE, # buf1 ≤ LEB_SIZE, m1 + NODE_HEADER_SIZE ≤ LEB_SIZE ⊦ isempty(buf1 + mkempbuf(n0), m1, NODE_HEADER_SIZE), ∃ gndx1, gndx3, lax1, lax2, buf0, buf2. ax0 + @(m5, m1, 2 * NODE_HEADER_SIZE + gnd.alignedsize) ' = ax1 + lax1.to-adr(m5) ∧ gndx0 + gnd ' = gndx2 + gndx1 ∧ buf1 = buf0 + buf2 ∧ # buf0 = m1 + 2 * NODE_HEADER_SIZE + gnd.alignedsize ∧ abs-nodes(buf0, gndx1, lax1, false) ∧ abs-nodes(buf2, # buf0, gndx3, lax2, true) ∧ (false → gndx3 = [] ∧ lax2 = []) |
# gndx = # lax, # lpt = # avol, # lpt0 = # avol, LEB_SIZE = n1 + m1 + 2 * NODE_HEADER_SIZE + gnd.alignedsize, LEB_SIZE = n0 + # buf1, avol[m5] = mapped(buf1), align↑(m2, 2 * NODE_HEADER_SIZE) = gnd.alignedsize, m5 < # avol, abs-node(subarray(buf1 + mkempbuf(n0), m1, 2 * NODE_HEADER_SIZE + gnd.alignedsize), gnd), abs-nodes(buf1, gndx, lax, true), awbuf-inv(avol, bleb), buf-ro-rw-mode(isbuf, bleb, lpt0, avol), bufs-log-only(bleb, log0, lpt0), is-encoded(nodeheader(m2, false), subarray(buf1 + mkempbuf(n0), m1, NODE_HEADER_SIZE)), lpt-free-unref(lpt), lpt-leb-size(lpt), lpt-ram-flash(lpt0, lpt, log0), range=(buf1 + mkempbuf(n0), m1 + NODE_HEADER_SIZE + gnd.alignedsize, validtrailer, 0, NODE_HEADER_SIZE), read-gblock-inv(m5, m1, ax0, gndx0, ax1, gndx2, buf1, false), m1 + NODE_HEADER_SIZE ≤ LEB_SIZE, # buf1 ≤ LEB_SIZE, m1 + 2 * NODE_HEADER_SIZE + gnd.alignedsize ≤ LEB_SIZE ⊦ isempty(buf1 + mkempbuf(n0), m1, NODE_HEADER_SIZE), ∃ gndx1, gndx3, lax0, lax1, buf, buf0. ax0 + @(m5, m1, 2 * NODE_HEADER_SIZE + gnd.alignedsize) ' = ax1 + lax0.to-adr(m5) ∧ gndx0 + gnd ' = gndx2 + gndx1 ∧ buf1 = buf + buf0 ∧ # buf = m1 + 2 * NODE_HEADER_SIZE + gnd.alignedsize ∧ abs-nodes(buf, gndx1, lax0, false) ∧ abs-nodes(buf0, # buf, gndx3, lax1, true)