InitTaskConfig: check input, assign default value, convert path to abs, create config.

InitTaskPoolConfig: check input, assign default value, convert path to abs, create config.

PrepareAndRunTask: 1.

Run: Basic task for finding logical bugs: 1.

RunTaskPool: 1.

BugReport: output to TaskConfig.GetBugsPath() / BugId - SqlId - MutationName .log and TaskConfig.GetBugsPath() / BugId - SqlId - MutationName .json.