Added omega to source

1 files changed, 16 insertions, 0 deletions

diff --git a/omega/examples/old_test/pufs4 b/omega/examples/old_test/pufs4
new file mode 100644
index 0000000..57e868e
--- /dev/null
+++ b/omega/examples/old_test/pufs4
@@ -0,0 +1,16 @@
+# Calculate exposed reads for this code fragment
+# for i := 1 to n do
+#   for j := 1 to m do
+#      if p(i,j) >= 0 then a(i,j) = 1
+#      else a(i,j) = 0
+#      .... a(i,j)
+#
+
+symbolic p(2), n, m;
+R  := { [ir,jr] : 1 <= ir <= n && 1 <= jr <= m };
+W1 := { [iw,jw] : 1 <= iw <= n && 1 <= jw <= m && p(iw,jw) >= 0 };
+W2 := { [iw,jw] : 1 <= iw <= n && 1 <= jw <= m && p(iw,jw) <  0 };
+
+Exposed := R-W1-W2;
+
+Exposed;