1 files changed, 0 insertions, 53 deletions
diff --git a/Test/dafny1/ListCopy.dfy b/Test/dafny1/ListCopy.dfy
deleted file mode 100644
index d5febfe0..00000000
--- a/Test/dafny1/ListCopy.dfy
+++ /dev/null
@@ -1,53 +0,0 @@
-class Node {
-  var nxt: Node;
-
-  method Init()
-    modifies this;
-    ensures nxt == null;
-  {
-    nxt := null;
-  }
-
-  method Copy(root: Node) returns (result: Node)
-  {
-    var existingRegion: set<Node>;
-    assume root == null || root in existingRegion;
-    assume (forall o: Node :: o != null && o in existingRegion && o.nxt != null ==> o.nxt in existingRegion);
-
-    var newRoot := null;
-    var oldListPtr := root;
-    var newRegion: set<Node> := {};
-
-    if (oldListPtr != null) {
-      newRoot := new Node.Init();
-      newRegion := newRegion + {newRoot};
-      var prev := newRoot;
-
-      while (oldListPtr != null)
-        invariant newRoot in newRegion;
-        invariant (forall o: Node :: o in newRegion ==> o != null);
-        invariant (forall o: Node :: o in newRegion && o.nxt != null ==> o.nxt in newRegion);
-        invariant prev in newRegion;
-        invariant fresh(newRegion);
-        invariant newRegion !! existingRegion;
-        decreases *;  // omit loop termination check
-      {
-        var tmp := new Node.Init();
-
-        newRegion := newRegion + {tmp};
-        prev.nxt := tmp;
-
-        prev := tmp;
-        oldListPtr := oldListPtr.nxt;
-      }
-    } 
-    result := newRoot;
-    assert result == null || result in newRegion;
-    
-    // everything in newRegion is fresh
-    assert fresh(newRegion);
-
-    // newRegion # exisitingRegion
-    assert newRegion !! existingRegion; 
-  }
-}