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Proof step 42 from proof addarrays-auto-22 (previous step)

# refs = 3 ⊦ addarrays(refs, ty, 2 ' + 2 ', 0, st) = addarray (refs .first, mkarraytype(ty), refval(refs .rest .first) ' + refval(refs[2]) ', addarray(refs[1], ty, 2, addarray(refs .rest .rest .first, ty, 2, st)))

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 41:
refs = r + refs0 ∧ refs ≠ [], # refs = 3 ⊦ addarrays(refs, ty, 2 ' + 2 ', 0, st) = addarray(r, mkarraytype(ty), refval(refs0 .first) ' + refval(refs[2]) ', addarray(refs[1], ty, 2, addarray(refs0 .rest .first, ty, 2, st)))

Rule argument

[speclemmaarg: refs ≠ [] ,r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0 ,[refs, r, refs0] → [refs, r, refs0] ,T ,list-data ,references ,elim-list-c ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ # [] = 0], [CSIMPELIM : refs ≠ [] ⊦ r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0])], [EXTRATERMS : (refs, r, refs0)]]