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Proof step 61 from proof validval-put-any (previous step)

val0 = refval(r0), 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, validref(str, r0, ty, st[rk, val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
⊦ validrefval(str, refval(r), ty, st) ↔ validref(str, r, ty, st)
Proof step 60:
validval(str, rk, val, st), is_reftype(ty), validref(str, r0, ty, st) ⊦ r -- _type = rk, mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validref(str, r0, ty, st[rk, val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))])]]