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Proof step 67 from proof junkref-addobj-01 (previous step)

refs = r + refs0, fis .keys = instfields(class), newref(r, st), class+∃(str, class), validfieldinits(fis, st), junkrefs(str, refs, mkclasstype(class), addobj(r, class, fis, st)), ∀ sk, r1. sk × refval(r1) ∈ fis → ¬ junkref(str, r1, st) ⊦ r = jvmref, refs = [], is_abstract(class)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 66:
fis .keys = instfields(class), newref(r, st), class+∃(str, class), validfieldinits(fis, st), junkrefs(str, r ' + refs0, mkclasstype(class), addobj(r, class, fis, st)), ∀ sk, r1. sk × refval(r1) ∈ fis → ¬ junkref(str, r1, st) ⊦ r = jvmref, is_abstract(class)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ newref(r, st) → r ≠ jvmref], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r ' + refs ≠ []], [CSIMPSEQ : ⊦ r + refs = r ' + refs])]]