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Proof step 15 from proof validref-forward-array (previous step)

st0[r -- i '] = refval(r0) ∧ is_referencevalue(st0[r -- i ']), validref(str, r, mkarraytype(ty), st0), i < st0[r -- _length] .intval, 0 ≤ i, 0 < st0[r -- _length] .intval ⊦ r = jvmref, validref(str, r0, ty, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 14:
st0[r -- i '] = refval(r0), 0 < st0[r -- _length] .intval, 0 ≤ i, i < st0[r -- _length] .intval, validref(str, r, mkarraytype(ty), st0) ⊦ r = jvmref, validref(str, r0, ty, st0)

Rule argument

[emptyarg]

Additional information

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