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Proof step 16 from proof synced-write-buf (previous step)

⟨abort⟩ (avol = avol1 ∧ (isbuf ↔ isbuf0) ∧ err = err0), # lpt = # avol, avol[m1] = mapped(buf0), bleb = buffered(m1), isbuf, m0 = m, n0 = n, m1 < # avol, awbuf-inv(avol, buffered(m1)), avol0 ↓ avol1, # buf0 + n ≤ LEB_SIZE, n ≤ # buf, bleb ≠ nobuffer → avol[bleb.leb].mapped? ∧ bleb.leb < # avol ∧ bleb.isbuf? ⊦ avol0 ↓ avol, bleb ≠ nobuffer ∧ # avol[bleb.leb].data + n0 ≤ LEB_SIZE ∧ n0 ≤ # buf

Proof step 16 from proof synced-write-buf (previous step)

Heuristic symbolic execution applied rule abort left

And closed the goal!

Rule argument

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