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Proof step 9 from proof crash-neutral-remap (previous step)

m < # avol, ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨if EIO = ESUCCESS then avol[m] := mapped(mkbuf(0)) else {skip or avol[m] := unmapped}⟩ (avol ⊆ avol0)

Heuristic symbolic execution applied rule if negative right

And obtained the following new goals

Proof step 10:
m < # avol, ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨skip or avol[m] := unmapped⟩ (avol ⊆ avol0)

Rule argument

pos: right 1

Additional information

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