Answer
If this computer program produces error messages during translation, then it is not correct.
Work Step by Step
• Original statement –
A necessary condition for this computer program to be correct is that it not produce error messages during translation.
• "r is a necessary condition for s" statement –
Not producing errors messages during translation is a necessary condition for this computer program to be correct.
• Necessary condition if-then statement (~r→~s) –
If this computer program produces error messages during translation, then it is not correct.