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Proof step 13 from proof cyclic-addobj-other-01 (previous step)

newref(r0, st), validrefs(str, r ' + refs0, st[r -- _type] .type, st) ⊦ r = r0, r0 = jvmref, ∃ refs. dups(refs) ∧ refs .first = r ∧ validrefs(str, refs, (addobj(r0, class, fis, st)[r -- _type]) .type, addobj(r0, class, fis, st)), junkref(str, r, st), ¬ r ∈ refs0 ∧ ¬ dups(refs0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
newref(r0, st), validrefs(str, r ' + refs0, st[r -- _type] .type, st) ⊦ r = r0, r0 = jvmref, junkref(str, r, st), ¬ r ∈ refs0 ∧ ¬ dups(refs0), ∃ refs. dups(refs) ∧ refs .first = r ∧ validrefs(str, refs, st[refs .first -- _type] .type, addobj(r0, class, fis, st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r ≠ r0 → (addobj(r, class1, fis, st) [r0 -- sk ] ) = st[r0 -- sk]])]]