alt-ergo driver: fixed incorrect syntax %% into %

drivers/alt_ergo.drv

@@ -65,7 +65,7 @@ end
 theory int.EuclideanDivision
 
   syntax logic div "(%1 / %2)"
-  syntax logic mod "(%1 %% %2)"
+  syntax logic mod "(%1 % %2)"
 
 end
 

tests/test-jcf.why

@@ -3,7 +3,13 @@
 
 theory Test
 
-  type t = tuple2 int int
+  use export int.Int
+
+  use real.Real as R
+  logic ( *. ) (x:real) (y:real) : real = R.(*) x y 
+
+  logic power (x : real) (n : int) : real =
+     if n = 0 then 1.0 else x *. power x (n-1)
 
 end