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Proof step 12 from proof inv-add-log-leb (previous step)

# avol = # avol0, m5 + # lpt = # avol0, avol0[m0] = mapped(buf4), avol0[m2] = mapped(buf3), avol0[0] = mapped(buf2), avol[m0] = mapped(buf1), avol[m2] = mapped(buf0), avol[0] = mapped(buf), subarray(avol0, m5, # lpt) = subarray(avol, m5, # lpt), disk-layout(mksb(adr, m, m0, m2, m3, m4, m5), # lpt), ebm-vol-inv(avol), ebm-vol-inv(avol0), is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), buf2), is-encoded(log, buf1), is-encoded(lpt, lebs(avol, m4, lptlebs(# lpt, LEB_SIZE))), is-encoded(mksb(adr, m, m0, m2, m3, m4, m5), buf), is-encoded(lpt, lebs(avol0, m4, lptlebs(# lpt, LEB_SIZE))), is-encoded(log, buf4), is-encoded-pad(orphans, m3, buf3), is-encoded-pad(orphans, m3, buf0), mapped-full?(avol, m4, lptlebs(# lpt, LEB_SIZE)), mapped-full?(avol0, m4, lptlebs(# lpt, LEB_SIZE)), ⌊err⌋ , logoff ≠ LEB_SIZE → # buf1 = logoff, logoff0 ≠ LEB_SIZE → # buf4 = logoff0 ⊦ ∃ lpt0. m5 + # lpt0 = # avol0 ∧ mapped-full?(avol0, m4, lptlebs(# lpt0, LEB_SIZE)) ∧ is-encoded(lpt0, lebs(avol0, m4, lptlebs(# lpt0, LEB_SIZE)))

Proof step 12 from proof inv-add-log-leb (previous step)

Heuristic quantifier closing applied rule exists right

And closed the goal!

Rule argument

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