1 files changed, 0 insertions, 29 deletions
diff --git a/Test/dafny2/SegmentSum.dfy b/Test/dafny2/SegmentSum.dfy
deleted file mode 100644
index dc67162b..00000000
--- a/Test/dafny2/SegmentSum.dfy
+++ /dev/null
@@ -1,29 +0,0 @@
-function Sum(a: seq<int>, s: int, t: int): int
-  requires 0 <= s <= t <= |a|;
-{
-  if s == t then 0 else Sum(a, s, t-1) + a[t-1]
-}
-
-method MaxSegSum(a: seq<int>) returns (k: int, m: int)
-  ensures 0 <= k <= m <= |a|;
-  ensures forall p,q :: 0 <= p <= q <= |a| ==> Sum(a, p, q) <= Sum(a, k, m);
-{
-  k, m := 0, 0;
-  var s := 0;  // invariant s == Sum(a, k, m)
-  var n := 0;
-  var c, t := 0, 0;  // invariant t == Sum(a, c, n)
-  while (n < |a|)
-    invariant n <= |a|;
-    invariant 0 <= c <= n && t == Sum(a, c, n);
-    invariant forall b :: 0 <= b <= n ==> Sum(a, b, n) <= Sum(a, c, n);
-    invariant 0 <= k <= m <= n && s == Sum(a, k, m);
-    invariant forall p,q :: 0 <= p <= q <= n ==> Sum(a, p, q) <= Sum(a, k, m);
-  {
-    t, n := t + a[n], n + 1;
-    if (t < 0) {
-      c, t := n, 0;
-    } else if (s < t) {
-      k, m, s := c, n, t;
-    }
-  }
-}