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Proof step 77 from proof refine-read (previous step)

# avol0 = # lpt + m6, avol0[0] = mapped(buf2), avol0[m3] = mapped(buf3), avol0[m2] = mapped(buf4), avol0[m6 + m8] = mapped(buf1), avol = avol0, buf = buf0, m = m7, m0 = m8, n = n1, n0 = n2, sb = mksb(adr, m1, m2, m3, m4, m5, m6), sb.main + m0 < # avol, m8 < # lpt, disk-layout(mksb(adr, m1, m2, m3, m4, m5, m6), # lpt), ebm-vol-inv(subarray(avol0, m6, # lpt)), ebm-vol-inv(avol0), is-encoded(mksb(adr, m1, m2, m3, m4, m5, m6), buf2), is-encoded(lpt, lebs(avol0, m5, lptlebs(# lpt, LEB_SIZE))), is-encoded(log, buf4), is-encoded-pad(orphans, m4, buf3), mapped-full?(avol0, m5, lptlebs(# lpt, LEB_SIZE)), m6 ≤ # avol0, n2 + n1 ≤ # buf0, m7 + n1 ≤ LEB_SIZE, logoff ≠ LEB_SIZE → # buf4 = logoff ⊦ sb.main + m0 < # avol

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

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