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Proof step 9 from proof junkref-addarray-newref (previous step)

newref(r0, st), junkrefs(str, r ' + refs0, (addarray(r0, ty0, vals, st)[r -- _type]) .type, addarray(r0, ty0, vals, st)) ⊦ r0 = jvmref, ∃ refs. refs ≠ [] ∧ refs .first = r ∧ junkrefs(str, refs, st[r -- _type] .type, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
newref(r0, st), junkrefs(str, r ' + refs0, (addarray(r0, ty0, vals, st)[r -- _type]) .type, addarray(r0, ty0, vals, st)) ⊦ r0 = jvmref, ∃ refs. refs ≠ [] ∧ refs .first = r ∧ junkrefs(str, refs, st[refs .first -- _type] .type, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]