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Proof step 65 from proof validval-put-any (previous step)

validval(str, rk, val, st), okval(val0, ty) ∧ (is_referencevalue(val0) → validrefval(str, val0, ty, st)) ⊦ r -- _type = rk, mkfs(class, ty, fieldvar) ' = _length, ty = void_type, okval(val0, ty) ∧ (is_referencevalue(val0) → validrefval(str, val0, ty, st[rk, val]))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 64:
is_referencevalue(val0), validval(str, rk, val, st), is_reftype(ty), validrefval(str, val0, ty, st) ⊦ r -- _type = rk, mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validrefval(str, val0, ty, st[rk, val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(val) → ( okval(val, ty) ↔ ty = void_type ∨ is_reftype(ty))])]]