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Proof step 26 from proof inv-add-log-leb (previous step)

# buf = EB_PAGE_SIZE, # lpt = # avol, rofs ↔ false, m = m4, m0 = m3, wbuf = mkwbuf(buf, m1, m2), ebm-vol-inv(avol), bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], false), bleb = buffered(m3) ∨ (bleb = nobuffer ∨ m2 = 0) ∧ m3 < # avol ∧ avol[m3].mapped? ∧ m4 = # avol[m3].data ⊦ ⟪wbuf := (wbuf.offset:= m).nbytes:= 0⟫ ( # wbuf.content = EB_PAGE_SIZE ∧ (buffered(m0) ≠ nobuffer → buffered(m0).leb < # avol ∧ wbuf-cons(wbuf, avol[buffered(m0).leb], false))), bleb = buffered(m0)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 27:
# lpt = # avol, # buf = EB_PAGE_SIZE, rofs ↔ false, m = m4, m0 = m3, wbuf = mkwbuf(buf, m1, m2), ebm-vol-inv(avol), bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], false), bleb = buffered(m3) ∨ (bleb = nobuffer ∨ m2 = 0) ∧ m3 < # avol ∧ avol[m3].mapped? ∧ m4 = # avol[m3].data ⊦ bleb = buffered(m0), # ((wbuf.offset:= m).nbytes:= 0).content = EB_PAGE_SIZE ∧ (buffered(m0) ≠ nobuffer → buffered(m0).leb < # avol ∧ wbuf-cons((wbuf.offset:= m).nbytes:= 0, avol[buffered(m0).leb], false))

Proof step 26 from proof inv-add-log-leb (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information