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Proof step 16 from proof cyclic-pseq (previous step)

st[r2 -- _type] = st1[r1 -- _type], st1[r1 -- _type] .type = mkclasstype(class), r2 = st[r2 -- fs '] .refval, is_referencevalue(st[r2 -- fs ']), fs ' ∈ instfields(class), is_obj(str, r1, st1), is_obj(str, r2, st), validrefs(str, r2 ', fs .type, st), maxpath(str, r1, st1) ≤ maxpath(str, jvmref, st1), ps=(r2, st, jvmref, st1), ∀ fs. fs ' ∈ instfields(class) ∧ ¬ is_referencevalue(st[r2 -- fs ']) → st[r2 -- fs '] = st1[r1 -- fs '], ∀ st, r, st0, r0, str0. maxpath(str0, r0, st0) < maxpath(str, r1, st1) → (ps=(r, st, r0, st0) ∧ cyclic(str0, r, st) → junkref(str0, r, st) ∨ junkref(str0, r0, st0) ∨ cyclic(str0, r0, st0)) ⊦ r1 = jvmref, r2 = jvmref, st1[r1 -- fs '] = refval(jvmref), junkref(str, r2, st), junkref(str, r1, st1), cyclic(str, r1, st1), is_referencevalue(st1[r1 -- fs '])

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , ¬ is_referencevalue(st[r -- fs ']) ∧ is_reftype(fs .type) ∧ fs ' ∈ instfields(class) ∧ st[r -- _type] .type = mkclasstype(class) → ¬ is_obj(str, r, st) ,[st, r, fs, class, str] → [st1, r1, fs, class, str] ,F ,addfuns , ,is_obj-field-norefval ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st1, r1, fs, class, str)]]