case 1: s+="logical operation ";break;
case 2: s+="integer value ";break;
case 3: s+="second part of implies ";break;
case 4: s+="integer identifier ";break;
case 5: s+="logical expression ";break;
case 6: throw new AnalyzeException("can't enumerate on the condition in JMLForAll or JMLExist");
case 7: s+="array identifier expected in AllDiff expression";
}
throw new AnalyzeException(s + " expected");
}