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Proof step 72 from proof refine-commit (previous step)

# buf = EB_PAGE_SIZE, # lpt1 = # avol1, # avol0 = # avol1, # lpt2 = # avol1, avol0[m] = mapped(buf0), bleb = buffered(m), m < # avol1, abs(avol1, bleb, mkwbuf(buf, m1, m2), avol0, rofs), awbuf-inv(avol1, bleb), ebm-vol-inv(avol0), synced(avol1), wbuf-cons(mkwbuf(buf, m1, m2), mapped(buf0), rofs), ⌊err1⌋ ⊦ bleb = nobuffer, abs(avol1, bleb, mkwbuf(buf, m1, m2), avol0, true)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 73:
# buf = EB_PAGE_SIZE, # lpt1 = # avol1, # avol0 = # avol1, # lpt2 = # avol1, avol0[m] = mapped(buf0), m < # avol1, abs(avol1, buffered(m), mkwbuf(buf, m1, m2), avol0, rofs), awbuf-inv(avol1, buffered(m)), ebm-vol-inv(avol0), synced(avol1), wbuf-cons(mkwbuf(buf, m1, m2), mapped(buf0), rofs), ⌊err1⌋ ⊦ abs(avol1, buffered(m), mkwbuf(buf, m1, m2), avol0, true)

Rule argument

Additional information

Used simplifier rules: inv-buf-in-vol: ⊦ awbuf-inv(avol, buffered(n)) → n < # avol; (forward) from specification awbuf-inv%lf-01: ⊦ m < n ∧ n = n0 → m < n0; (forward) from specification nat-basic% ⊦ nobuffer ≠ buffered(m); (s)