Enhancement of parsing of arrays in cvc4 counterexamples.

The indices and values of arrays can be now arbitrary values
(not just indices).

src/driver/parse_smtv2_model_parser.mly

@@ -85,17 +85,18 @@ other_than_const_array:
 | CONST { "const"  }
 
 (* Example:
-   (store (store ((as const (Array Int Int)) 0) 1 2) 3 4) *)
+   (store (store ((as const (Array Int Int)) 0) 1 2) 3 4)
+   (store (store ((as const (Array Int Int)) false) 1 true) 3 true) *)
 array:
 | LPAREN possible_space
     LPAREN possible_space
       AS SPACE CONST possible_space array_skipped_part possible_space
     RPAREN possible_space
-    integer possible_space
+    value possible_space
   RPAREN
     { Model_parser.array_create_constant ~value:$13 }
 | LPAREN possible_space
-    STORE possible_space array possible_space integer SPACE integer
+    STORE possible_space array possible_space value SPACE integer
     possible_space
   RPAREN
     { Model_parser.array_add_element ~array:$5 ~index:$7 ~value:$9 }