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Proof step 4 from proof inv-unmap (previous step)

v = default-volid, m < # avols[default-volid], ebm-cons(avols), default-volid ∈ avols ⊦ ⟪if m < # avols[v] then ebm_unmap#(v, m; avols) else abort⟫ (default-volid ∈ avols ∧ ebm-cons(avols))

Heuristic symbolic execution applied rule if positive right

And obtained the following new goals

Rule argument

pos: right 1

Additional information