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Proof step 2 from proof junkref-predefined (previous step)

junkref(str, r, addobj(r, class, [], st)), is_predefined_class(class), newref(r, st) ⊦ r = jvmref

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ newref(r, st) ∧ class+∃(str, class) ∧ fis .keys = instfields(class) ∧ validfieldinits(fis, st) ∧ ¬ is_abstract(class) ∧ (∀ sk, r1. sk × refval(r1) ∈ fis → ¬ junkref(str, r1, st)) → ¬ junkref(str, r, addobj(r, class, fis, st))

Rule argument

[crewrite-arg: junkref-addobj-01 , F , [st, fis, class, r, str] → [st, [], class, r, str] ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_predefined_class(class) → class+∃(str, class)], [CSIMPSEQ : ⊦ [] .keys = []], [CSIMPSEQ : ⊦ is_predefined_class(class) → instfields(class) = []], [CSIMPSEQ : ⊦ validfieldinits([], st)], [CSIMPSEQ : ⊦ is_predefined_class(class) → ¬ is_abstract(class)], [CSIMPSEQ : ⊦ ¬ fv ∈ []])], [EXTRATERMS : (st, [], class, r, str)]]