9a10,11
> /* INSTRUMENTED VERSION */
>
44c46,49
<   def isTuple(x: Any) = x != null && tupleNames(x.getClass.getName)
---
>   var arrayApplyCount = 0
>   var arrayUpdateCount = 0
>
>   def isTuple(x: Any) = tupleNames(x.getClass.getName)
76c81,83
<   def array_apply(xs: AnyRef, idx: Int): Any = xs match {
---
>   def array_apply(xs: AnyRef, idx: Int): Any = {
>     arrayApplyCount += 1
>     xs match {
88a96
>   }
91c99,101
<   def array_update(xs: AnyRef, idx: Int, value: Any): Unit = xs match {
---
>   def array_update(xs: AnyRef, idx: Int, value: Any): Unit = {
>     arrayUpdateCount += 1
>     xs match {
102a113
>   }