| # avol = # lpt1 + m11, # avol0 = # avol, avol0[0] = mapped(buf2), avol0[m3] = mapped(buf3), avol0[m2] = mapped(buf4), m < # lpt1, disk-layout(mksb(adr0, m0, m2, m3, m9, m10, m11), # lpt1), ebm-vol-inv(avol0), ebm-vol-inv(subarray(avol0, m11, # lpt1)), is-encoded(log1, buf4), is-encoded(lpt1, lebs(avol0, m10, lptlebs(# lpt1, LEB_SIZE))), is-encoded(mksb(adr0, m0, m2, m3, m9, m10, m11), buf2), is-encoded-pad(orphans0, m9, buf3), mapped-full?(avol0, m10, lptlebs(# lpt1, LEB_SIZE)), m11 ≤ # avol, logoff ≠ LEB_SIZE → # buf4 = logoff, m1 ≠ LEB_SIZE → # buf4 = m1, ∀ m. m < # avol → (avol0[m].mapped? → avol[m] = avol0[m]) ∧ (avol0[m] = unmapped ∧ avol[m].mapped? → # avol[m].data ≤ LEB_SIZE ∧ is-aligned(# avol[m].data, EB_PAGE_SIZE)) ⊦ (avol0[m11 + m].mapped? → avol[m11 + m] = avol0[m11 + m]) ∧ (avol0[m11 + m] = unmapped ∧ avol[m11 + m].mapped? → # avol[m11 + m].data ≤ LEB_SIZE ∧ is-aligned(# avol[m11 + m].data, EB_PAGE_SIZE)) |
Used simplifier rules: a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic%c: ⊦ m + n = n + m; from specification nat-basic% ⊦ m = m0 + n0 ∧ n < n0 → m0 + n < m; (s) Used terms: m11 + m