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Proof step 10 from proof crash-neutral-remap (previous step)

# lpt = # avol, m2 < # avol, awbuf-inv(avol, bleb), synced(avol0), synced(avol), avol0 ↓ avol ⊦ ⟨if EIO = ESUCCESS then avol[m2] := mapped(mkbuf(0)) else {skip or avol[m2] := unmapped}⟩ (avol0 ↓ avol), buffered(m2) = bleb

Heuristic symbolic execution applied rule if negative right

And obtained the following new goals

Proof step 11:
# lpt = # avol, m2 < # avol, awbuf-inv(avol, bleb), synced(avol), synced(avol0), avol0 ↓ avol ⊦ ⟨skip or avol[m2] := unmapped⟩ (avol0 ↓ avol), buffered(m2) = bleb

Rule argument

pos: right 1

Additional information

Used simplifier rules: ⊦ ESUCCESS ≠ EIO; (s)