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Proof step 28 from proof initialization (previous step)

# avol0 = # lpt2 + m9, avol0[0] = mapped(buf), avol0[m5] = mapped(mkbuf(0)), avol0[m4] = mapped(mkbuf(0)), err = ESUCCESS, subarray(avol0, m9, # lpt2) = fill(mkavolume(# lpt0), unmapped), disk-layout(mksb(adr1, m3, m4, m5, 0, m8, m9), # lpt2), ebm-vol-inv(avol0), is-encoded(lpt2, lebs(avol0, m8, lptlebs(# lpt2, LEB_SIZE))), is-encoded(lpt0, lebs(avol0, m8, lptlebs(# lpt2, LEB_SIZE))), is-encoded(mksb(adr1, m3, m4, m5, 0, m8, m9), buf), mapped-full?(avol0, m8, lptlebs(# lpt2, LEB_SIZE)), logoff ≠ LEB_SIZE → 0 = logoff ⊦ ⟨ns := ∅⟩ ( m3 = m3 ∧ adr1 = adr1 ∧ fill(mkavolume(# lpt0), unmapped) = subarray(avol0, m9, # lpt2) ∧ [] = [] ∧ is-encoded(lpt0, lebs(avol0, m8, lptlebs(# lpt2, LEB_SIZE))) ∧ ∅ = ns ∧ ESUCCESS = err)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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