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Proof step 52 from proof validrefs-trans-01 (previous step)

st[r -- mkfs(class, ty3, fieldvar) '] = refval(r0), validrefs(str, r0 ' + refs0, ty3, st), mkfs(class, ty3, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), st[r -- _type] .type ≤ ty, validrefs(str, (r0 ' + refs0) .last ' + refs1, ty0, st), is_obj(str, r, st), ∀ str0, ty1, st0, refs, ty2. validrefs(str0, r0 ' + refs0, ty1, st0) ∧ validrefs(str0, (r0 ' + refs0) .last ' + refs, ty2, st0) → validrefs(str0, (r0 ' + refs0) + refs, ty1, st0) ⊦ r = jvmref, validrefs(str, r ' + (r0 ' + refs0) + refs1, ty, st)

Heuristic weak cut applied rule cut formula

And obtained the following new goals

Rule argument

[fma-arg: refs0 = []]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (refs0 = [])]]