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Proof step 347 from proof refine-read-buf (previous step)

# buf2 = EB_PAGE_SIZE, # lpt0 = # avol1, # avol0 = # avol1, avol1[m2] = mapped(buf1), m2 < # avol1, LEB_SIZE < # avol0[m2].data, m0 + n < # avol0[m2].data, abs(avol1, bleb, mkwbuf(buf2, m6, m4), avol0, rofs), awbuf-inv(avol1, bleb), ebm-vol-inv(avol0), m0 + n ≤ LEB_SIZE, n ≤ # buf3, m0 + n ≤ # avol0[m2].data + (LEB_SIZE - # avol0[m2].data), bleb ≠ nobuffer → bleb.leb < # avol1 ∧ avol0[bleb.leb].mapped? ∧ m4 < EB_PAGE_SIZE ∧ (¬ rofs → # avol0[bleb.leb].data = m6) ∧ (rofs → m6 ≤ # avol0[bleb.leb].data) ∧ is-aligned(m6, EB_PAGE_SIZE) ⊦ bleb = nobuffer

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 348:
# buf2 = EB_PAGE_SIZE, # lpt0 = # avol1, # avol0 = # avol1, avol0[bleb.leb] = mapped(buf), avol1[m2] = mapped(buf1), bleb.leb < # avol1, m2 < # avol1, LEB_SIZE < # avol0[m2].data, m0 + n < # avol0[m2].data, m4 < EB_PAGE_SIZE, abs(avol1, bleb, mkwbuf(buf2, m6, m4), avol0, rofs), awbuf-inv(avol1, bleb), ebm-vol-inv(avol0), is-aligned(m6, EB_PAGE_SIZE), m0 + n ≤ LEB_SIZE, n ≤ # buf3, m0 + n ≤ # avol0[m2].data + (LEB_SIZE - # avol0[m2].data), rofs → m6 ≤ # buf, ¬ rofs → # buf = m6 ⊦ bleb = nobuffer

Rule argument

Additional information

Used simplifier rules: ⊦ mapped(buf).data = buf; (s)% ⊦ EB_PAGE_SIZE ≠ 0; (s)%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic%lf-01: ⊦ m < n ∧ n = n0 → m < n0; (forward) from specification nat-basic% ⊦ aleb.mapped? ↔ (∃ buf. aleb = mapped(buf)); (as)