Warning: CHC: Error trying to invoke SMT solver. --> model_checker_divModSlacks_false_all/input.sol:6:11: | 6 | return (a / b, a % b); | ^^^^^ Warning: CHC: Error trying to invoke SMT solver. --> model_checker_divModSlacks_false_all/input.sol:6:18: | 6 | return (a / b, a % b); | ^^^^^ Warning: CHC: 2 verification condition(s) could not be proved. Enable the model checker option "show unproved" to see all of them. Consider choosing a specific contract to be verified in order to reduce the solving problems. Consider increasing the timeout per query. Info: BMC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.