[SMTChecker] Replace constants by their value in-place

test/libsolidity/smtCheckerTests/overflow/overflow_constant_bound.sol

@@ -0,0 +1,17 @@
+pragma experimental SMTChecker;
+
+contract DepositContract {
+    uint constant MAX_DEPOSIT_COUNT = 2**32 - 1;
+
+    uint256 deposit_count;
+    uint256 deposit_count_2;
+
+    function deposit() external {
+        require(deposit_count < MAX_DEPOSIT_COUNT);
+        deposit_count += 1;
+        deposit_count_2 += 10; // should fail
+    }
+}
+// ----
+// Warning 4984: (289-310): CHC: Overflow (resulting value larger than 2**256 - 1) might happen here.
+// Warning 2661: (289-310): BMC: Overflow (resulting value larger than 2**256 - 1) happens here.