Program: 3608
Project: 3608
Buggy source:
/** 
 * Add method info. 
 */
void addMethodInfo(final MethodInfoList methodInfoList,final Map<String,ClassInfo> classNameToClassInfo){
  for (  final MethodInfo methodInfo : methodInfoList) {
    methodInfo.definingClassInfo=this;
    final AnnotationInfoList methodAnnotationInfoList=methodInfo.annotationInfo;
    if (methodAnnotationInfoList != null) {
      for (      final AnnotationInfo methodAnnotationInfo : methodAnnotationInfoList) {
        final ClassInfo annotationClassInfo=getOrCreateClassInfo(methodAnnotationInfo.getName(),ANNOTATION_CLASS_MODIFIER,scanSpec,classNameToClassInfo);
        this.addRelatedClass(RelType.METHOD_ANNOTATIONS,annotationClassInfo);
        annotationClassInfo.addRelatedClass(RelType.CLASSES_WITH_METHOD_ANNOTATION,this);
        methodAnnotationInfo.setClassInfo(annotationClassInfo);
      }
    }
    final AnnotationInfo[][] methodParamAnnotationInfoList=methodInfo.parameterAnnotationInfo;
    if (methodParamAnnotationInfoList != null) {
      for (int i=0; i < methodParamAnnotationInfoList.length; i++) {
        final AnnotationInfo[] paramAnnotationInfoArr=methodParamAnnotationInfoList[i];
        if (paramAnnotationInfoArr != null) {
          for (int j=0; j < paramAnnotationInfoArr.length; j++) {
            final AnnotationInfo methodParamAnnotationInfo=paramAnnotationInfoArr[j];
            final ClassInfo annotationClassInfo=getOrCreateClassInfo(methodParamAnnotationInfo.getName(),ANNOTATION_CLASS_MODIFIER,scanSpec,classNameToClassInfo);
            methodParamAnnotationInfo.setClassInfo(annotationClassInfo);
          }
        }
      }
    }
    methodInfo.definingClassInfo=this;
  }
  if (this.methodInfo == null) {
    this.methodInfo=methodInfoList;
  }
 else {
    this.methodInfo.addAll(methodInfoList);
  }
}

Fixed version (ground truth):
/** 
 * Add method info. 
 */
void addMethodInfo(final MethodInfoList methodInfoList,final Map<String,ClassInfo> classNameToClassInfo){
  for (  final MethodInfo methodInfo : methodInfoList) {
    final AnnotationInfoList methodAnnotationInfoList=methodInfo.annotationInfo;
    if (methodAnnotationInfoList != null) {
      for (      final AnnotationInfo methodAnnotationInfo : methodAnnotationInfoList) {
        final ClassInfo annotationClassInfo=getOrCreateClassInfo(methodAnnotationInfo.getName(),ANNOTATION_CLASS_MODIFIER,scanSpec,classNameToClassInfo);
        this.addRelatedClass(RelType.METHOD_ANNOTATIONS,annotationClassInfo);
        annotationClassInfo.addRelatedClass(RelType.CLASSES_WITH_METHOD_ANNOTATION,this);
        methodAnnotationInfo.setClassInfo(annotationClassInfo);
      }
    }
    final AnnotationInfo[][] methodParamAnnotationInfoList=methodInfo.parameterAnnotationInfo;
    if (methodParamAnnotationInfoList != null) {
      for (int i=0; i < methodParamAnnotationInfoList.length; i++) {
        final AnnotationInfo[] paramAnnotationInfoArr=methodParamAnnotationInfoList[i];
        if (paramAnnotationInfoArr != null) {
          for (int j=0; j < paramAnnotationInfoArr.length; j++) {
            final AnnotationInfo methodParamAnnotationInfo=paramAnnotationInfoArr[j];
            final ClassInfo annotationClassInfo=getOrCreateClassInfo(methodParamAnnotationInfo.getName(),ANNOTATION_CLASS_MODIFIER,scanSpec,classNameToClassInfo);
            methodParamAnnotationInfo.setClassInfo(annotationClassInfo);
          }
        }
      }
    }
    methodInfo.definingClassInfo=this;
  }
  if (this.methodInfo == null) {
    this.methodInfo=methodInfoList;
  }
 else {
    this.methodInfo.addAll(methodInfoList);
  }
}