Warning: BMC: Underflow (resulting value less than 0) happens here. --> model_checker_targets_underflow_overflow_bmc/input.sol:8:3: | 8 | --x; | ^^^ Note: Counterexample: = (- 1) a = 0 x = 0 Note: Callstack: Note: Warning: BMC: Overflow (resulting value larger than 2**256 - 1) happens here. --> model_checker_targets_underflow_overflow_bmc/input.sol:9:3: | 9 | x + type(uint).max; | ^^^^^^^^^^^^^^^^^^ Note: Counterexample: = 2**256 a = 0 x = 1 Note: Callstack: Note: