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Proof step 7 from proof crash-neutral-recover (previous step)

ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨if EIO ≠ ESUCCESS then avol := ?⟩ (avol ⊆ avol0)

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Proof step 8:
ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨avol := ?⟩ (avol ⊆ avol0)

Rule argument

Additional information

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