Program: 97434
Project: 97434
Buggy source:
private ImportMatch findMatch(CoverageItem fromItem,CoveragePackage toPackage){
  CoverageUnit fromFile=getFileCoverageUnit(fromItem);
  CoverageUnit toFile=getFileCoverageUnitFromNameRecurseDown(toPackage,fromFile.getName());
  if (toFile == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromFile.getName());
  }
  CoverageUnit fromMethod=getMethodCoverageUnit(fromFile,fromItem);
  if (fromMethod == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromItem.getParent().getName());
  }
  List<CoverageUnit> toMethods=getToMethodCoverageUnitsFromName(toFile,fromMethod.getName());
  if (toMethods.isEmpty()) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromMethod.getName());
  }
  CoverageUnit toMethod=null;
  String description="String_Node_Str";
  List<CoverageUnit> strongUnits=new ArrayList<CoverageUnit>();
  List<CoverageUnit> medUnits=new ArrayList<CoverageUnit>();
  List<CoverageUnit> weakUnits=new ArrayList<CoverageUnit>();
  for (  CoverageUnit possibleToMethod : toMethods) {
    boolean isOrderEqual=isOrderEqual(fromMethod,possibleToMethod);
    boolean isChildrenSizeEqual=isChildrenSizeEqual(fromMethod,possibleToMethod);
    if (isOrderEqual && isChildrenSizeEqual) {
      description+="String_Node_Str";
      strongUnits.add(possibleToMethod);
    }
 else     if (isOrderEqual) {
      description+="String_Node_Str";
      medUnits.add(possibleToMethod);
    }
 else     if (isChildrenSizeEqual) {
      description+="String_Node_Str";
      weakUnits.add(possibleToMethod);
    }
 else {
      description+="String_Node_Str";
      weakUnits.add(possibleToMethod);
    }
  }
  description+="String_Node_Str" + strongUnits.size() + "String_Node_Str"+ medUnits.size()+ "String_Node_Str"+ weakUnits+ "String_Node_Str";
  if (strongUnits.size() == 1) {
    toMethod=strongUnits.iterator().next();
    description+="String_Node_Str";
  }
 else   if (medUnits.size() == 1) {
    toMethod=medUnits.iterator().next();
    description+="String_Node_Str";
  }
 else   if (weakUnits.size() == 1) {
    toMethod=weakUnits.iterator().next();
    description+="String_Node_Str";
  }
  if (toMethod == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromMethod.getName(),description);
  }
  List<CoverageItem> toCoverageItems=toMethod.getCoverageItems();
  CoverageItem toItem=null;
  for (  CoverageItem toCoverageItem : toCoverageItems) {
    boolean orderMatch=toCoverageItem.getOrderNumber().equals(fromItem.getOrderNumber());
    boolean nameMatch=toCoverageItem.getName().equals(fromItem.getName());
    if (orderMatch && nameMatch) {
      toItem=toCoverageItem;
      description+="String_Node_Str";
      break;
    }
  }
  if (toItem == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromMethod.getName(),description);
  }
  return new ImportMatch(ImportMatchType.Match,fromItem,toItem,"String_Node_Str",toItem,description);
}

Fixed version (ground truth):
private ImportMatch findMatch(CoverageItem fromItem,CoveragePackage toPackage){
  CoverageUnit fromFile=getFileCoverageUnit(fromItem);
  CoverageUnit toFile=getFileCoverageUnitFromNameRecurseDown(toPackage,fromFile.getName());
  if (toFile == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromFile.getName());
  }
  CoverageUnit fromMethod=getMethodCoverageUnit(fromFile,fromItem);
  if (fromMethod == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromItem.getParent().getName());
  }
  List<CoverageUnit> toMethods=getToMethodCoverageUnitsFromName(toFile,fromMethod.getName());
  if (toMethods.isEmpty()) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromMethod.getName());
  }
  CoverageUnit bestFitToMethod=null;
  String description="String_Node_Str";
  List<CoverageUnit> strongUnits=new ArrayList<CoverageUnit>();
  List<CoverageUnit> medUnits=new ArrayList<CoverageUnit>();
  List<CoverageUnit> weakUnits=new ArrayList<CoverageUnit>();
  for (  CoverageUnit possibleToMethod : toMethods) {
    boolean isOrderEqual=isOrderEqual(fromMethod,possibleToMethod);
    boolean isChildrenSizeEqual=isChildrenSizeEqual(fromMethod,possibleToMethod);
    if (isOrderEqual && isChildrenSizeEqual) {
      description+="String_Node_Str";
      strongUnits.add(possibleToMethod);
    }
 else     if (isOrderEqual) {
      description+="String_Node_Str";
      medUnits.add(possibleToMethod);
    }
 else     if (isChildrenSizeEqual) {
      description+="String_Node_Str";
      weakUnits.add(possibleToMethod);
    }
 else {
      description+="String_Node_Str";
      weakUnits.add(possibleToMethod);
    }
  }
  description+="String_Node_Str" + strongUnits.size() + "String_Node_Str"+ medUnits.size()+ "String_Node_Str"+ weakUnits.size()+ "String_Node_Str";
  if (strongUnits.size() == 1) {
    bestFitToMethod=strongUnits.iterator().next();
    description+="String_Node_Str";
  }
 else   if (medUnits.size() == 1) {
    bestFitToMethod=medUnits.iterator().next();
    description+="String_Node_Str";
  }
 else   if (weakUnits.size() == 1) {
    bestFitToMethod=weakUnits.iterator().next();
    description+="String_Node_Str";
  }
  if (bestFitToMethod == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromMethod.getName(),description);
  }
  List<CoverageItem> toCoverageItems=bestFitToMethod.getCoverageItems();
  CoverageItem toItem=null;
  for (  CoverageItem toCoverageItem : toCoverageItems) {
    boolean orderMatch=toCoverageItem.getOrderNumber().equals(fromItem.getOrderNumber());
    boolean nameMatch=toCoverageItem.getName().equals(fromItem.getName());
    if (orderMatch && nameMatch) {
      toItem=toCoverageItem;
      description+="String_Node_Str";
      break;
    }
  }
  if (toItem == null) {
    return new ImportMatch(ImportMatchType.NoMatch,fromFile,null,"String_Node_Str",fromMethod.getName(),description);
  }
  return new ImportMatch(ImportMatchType.Match,fromItem,toItem,"String_Node_Str",toItem,description);
}