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Proof step 6 from proof inv-unmap (previous step)

# lpt = # avol, # buf = EB_PAGE_SIZE, m = m3, m0 = m4, m4 < # avol, ebm-vol-inv(avol), bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs) ⊦ ⟪if m0 < # avol ∧ buffered(m0) ≠ bleb then apersistence_io_unmap#(m0, adr, m, plog, lpt, ns; avol) else abort⟫ ((bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs)) ∧ ebm-vol-inv(avol) ∧ # lpt = # avol), buffered(m4) = bleb

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Proof step 7:
# buf = EB_PAGE_SIZE, # lpt = # avol, m = m3, m0 = m4, m4 < # avol, ebm-vol-inv(avol), bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs) ⊦ ⟪apersistence_io_unmap#(m0, adr, m, plog, lpt, ns; avol)⟫ ((bleb ≠ nobuffer → bleb.leb < # avol ∧ wbuf-cons(mkwbuf(buf, m1, m2), avol[bleb.leb], rofs)) ∧ ebm-vol-inv(avol) ∧ # lpt = # avol), buffered(m4) = bleb

Rule argument

pos: right 1

Proof step 6 from proof inv-unmap (previous step)

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Rule argument

Additional information