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Proof step 18 from proof unchanged-lookup-generic (previous step)

st[r0 -- _type] = st0[r0 -- _type], path∃(str, r, r0, st), path∃(str, r, r0, st0), is_classtype(st0[r0 -- _type] .type) → sk ∈ instfields(st0[r0 -- _type] .type .class), is_classtype(st0[r0 -- _type] .type) → (∀ fs. fs ' ∈ instfields(st0[r0 -- _type] .type .class) → st[r0 -- fs '] = st0[r0 -- fs ']) ⊦ is_classtype(st0[r0 -- _type] .type), r0 = jvmref, st[r0 -- sk] = st0[r0 -- sk], is_arraytype(st0[r0 -- _type] .type)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
st[r0 -- _type] = st0[r0 -- _type], path∃(str, r, r0, st), path∃(str, r, r0, st0) ⊦ r0 = jvmref, st[r0 -- sk] = st0[r0 -- sk], is_classtype(st0[r0 -- _type] .type), is_arraytype(st0[r0 -- _type] .type)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]