| st[r -- (sks + sk ')] = refval(r0) ∧ is_referencevalue(st[r -- (sks + sk ')]), is_array(r0, st), st[r -- (sks + sk ' + _length ')] .intval < 0 ⊦ |
st[r -- (sks + sk ')] = refval(r0), st[r -- (sks + sk ' + _length ')] .intval < 0, is_array(r0, st) ⊦
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))])]]