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Proof step 60 from proof refine-remap (previous step)

avol = abs(avols0[default-volid]), err = err1, m < # avols0[default-volid], ebm-cons(avols0), ebm-vol-inv(abs(avols0[default-volid])), default-volid ∈ avols0, ⌊err1⌋ ⊦ ⟨skip or avol[m] := unmapped⟩ (avol = abs(avols0[default-volid][m, unmapped]) ∧ err1 = err)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Proof step 61:
avol = abs(avols0[default-volid]), err = err1, m < # avols0[default-volid], ebm-cons(avols0), ebm-vol-inv(abs(avols0[default-volid])), default-volid ∈ avols0, ⌊err1⌋ ⊦ ⟨avol[m] := unmapped⟩ (avol = abs(avols0[default-volid][m, unmapped]) ∧ err1 = err), ⟨skip⟩ (avol = abs(avols0[default-volid][m, unmapped]) ∧ err1 = err)

Proof step 60 from proof refine-remap (previous step)

Heuristic symbolic execution applied rule or right

And obtained the following new goals

Rule argument

Additional information