update command line tests

test/cmdlineTests/model_checker_engine_bmc/err

@@ -1,7 +1,7 @@
 Warning: BMC: Assertion violation happens here.
- --> model_checker_engine_bmc/input.sol:6:3:
+ --> model_checker_engine_bmc/input.sol:5:3:
   |
-6 | 		assert(x > 0);
+5 | 		assert(x > 0);
   | 		^^^^^^^^^^^^^
 Note: Counterexample:
   x = 0

test/cmdlineTests/model_checker_engine_bmc/input.sol

@@ -1,6 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0
 pragma solidity >=0.0;
-pragma experimental SMTChecker;
 contract test {
     function f(uint x) public pure {
 		assert(x > 0);