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Proof step 18 from proof refine-unmap (previous step)

# buf = EB_PAGE_SIZE, # lpt0 = # avol1, # avol0 = # avol1, avol0[bleb0.leb] = mapped(buf0), m4 < # avol1, bleb0.leb < # avol1, abs(avol1, bleb0, mkwbuf(buf, m3, m2), avol0, rofs), awbuf-inv(avol1, bleb0), ebm-vol-inv(avol0), synced(avol1), wbuf-cons(mkwbuf(buf, m3, m2), mapped(buf0), rofs) ⊦ bleb0 = nobuffer, buffered(m4) = bleb0, abs(avol1[m4, unmapped], bleb0, mkwbuf(buf, m3, m2), avol0[m4, unmapped], rofs)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 19:
# avol0 = # avol1, # lpt0 = # avol1, # buf = EB_PAGE_SIZE, avol0[m] = mapped(buf0), bleb0 = buffered(m), m < # avol1, m4 < # avol1, abs(avol1, bleb0, mkwbuf(buf, m3, m2), avol0, rofs), awbuf-inv(avol1, bleb0), ebm-vol-inv(avol0), synced(avol1), wbuf-cons(mkwbuf(buf, m3, m2), mapped(buf0), rofs) ⊦ bleb0 = nobuffer, buffered(m4) = bleb0, abs(avol1[m4, unmapped], bleb0, mkwbuf(buf, m3, m2), avol0[m4, unmapped], rofs)

Rule argument

spec: bufleb name: elim seq: ⊦ bleb ≠ nobuffer → (m = bleb.leb ↔ bleb = buffered(m)) subst: [bleb, m] → [bleb0, m2]

Additional information

Used simplifier rules: ⊦ bleb ≠ nobuffer → (m = bleb.leb ↔ bleb = buffered(m)); (elim) Used terms: bleb0, m2