Program: 170389
Project: 170389
Buggy source:
public static L1bSceneDescription create(L1bMetadata header,L1bMetadata.Tile.idGeom index){
  List<L1bMetadata.Tile> tileList=header.getTileList();
  CoordinateReferenceSystem crs=null;
  Envelope2D[] tileEnvelopes=new Envelope2D[tileList.size()];
  TileInfo[] tileInfos=new TileInfo[tileList.size()];
  Envelope2D sceneEnvelope=null;
  if (tileList.isEmpty()) {
    throw new IllegalStateException();
  }
  for (int i=0; i < tileList.size(); i++) {
    L1bMetadata.Tile tile=tileList.get(i);
    if (crs == null) {
      try {
        crs=CRS.decode(tile.horizontalCsCode);
        BeamLogManager.getSystemLogger().fine("String_Node_Str" + crs);
      }
 catch (      FactoryException e) {
        BeamLogManager.getSystemLogger().severe("String_Node_Str" + tile.horizontalCsCode);
      }
    }
    L1bMetadata.TileGeometry selectedGeometry=tile.getGeometry(index);
    Envelope2D envelope=new Envelope2D(selectedGeometry.envelope);
    tileEnvelopes[i]=envelope;
    if (sceneEnvelope == null) {
      sceneEnvelope=new Envelope2D(crs,envelope);
    }
 else {
      sceneEnvelope.add(envelope);
    }
    tileInfos[i]=new TileInfo(i,tile.id,envelope,new Rectangle());
  }
  if (sceneEnvelope == null) {
    throw new IllegalStateException();
  }
  double imageX=sceneEnvelope.getX();
  double imageY=sceneEnvelope.getY() + sceneEnvelope.getHeight();
  Rectangle sceneBounds=null;
  for (int i=0; i < tileEnvelopes.length; i++) {
    L1bMetadata.Tile tile=tileList.get(i);
    L1bMetadata.TileGeometry selectedGeometry=tile.getGeometry(index);
    Envelope2D tileEnvelope=tileEnvelopes[i];
    double tileX=tileEnvelope.getX();
    double tileY=tileEnvelope.getY() + tileEnvelope.getHeight();
    Rectangle rectangle=new Rectangle((int)((tileX - imageX) / selectedGeometry.xDim),(int)((imageY - tileY) / -selectedGeometry.yDim),selectedGeometry.numCols,selectedGeometry.numRows);
    if (sceneBounds == null) {
      sceneBounds=new Rectangle(rectangle);
    }
 else {
      sceneBounds.add(rectangle);
    }
    tileInfos[i]=new TileInfo(i,tile.id,tileEnvelope,rectangle);
  }
  return new L1bSceneDescription(tileInfos,sceneEnvelope,sceneBounds,index);
}

Fixed version (ground truth):
public static L1bSceneDescription create(L1bMetadata header,L1bMetadata.Tile.idGeom index){
  List<L1bMetadata.Tile> tileList=header.getTileList();
  CoordinateReferenceSystem crs=null;
  Envelope2D[] tileEnvelopes=new Envelope2D[tileList.size()];
  TileInfo[] tileInfos=new TileInfo[tileList.size()];
  Envelope2D sceneEnvelope=null;
  if (tileList.isEmpty()) {
    throw new IllegalStateException();
  }
  for (int i=0; i < tileList.size(); i++) {
    L1bMetadata.Tile tile=tileList.get(i);
    if (crs == null) {
      crs=DefaultGeographicCRS.WGS84;
    }
    L1bMetadata.TileGeometry selectedGeometry=tile.getGeometry(index);
    Envelope2D envelope=new Envelope2D(selectedGeometry.envelope);
    tileEnvelopes[i]=envelope;
    if (sceneEnvelope == null) {
      sceneEnvelope=new Envelope2D(crs,envelope);
    }
 else {
      sceneEnvelope.add(envelope);
    }
    tileInfos[i]=new TileInfo(i,tile.id,envelope,new Rectangle());
  }
  if (sceneEnvelope == null) {
    throw new IllegalStateException();
  }
  double imageX=sceneEnvelope.getX();
  double imageY=sceneEnvelope.getY() + sceneEnvelope.getHeight();
  Rectangle sceneBounds=null;
  for (int i=0; i < tileEnvelopes.length; i++) {
    L1bMetadata.Tile tile=tileList.get(i);
    L1bMetadata.TileGeometry selectedGeometry=tile.getGeometry(index);
    Envelope2D tileEnvelope=tileEnvelopes[i];
    double tileX=tileEnvelope.getX();
    double tileY=tileEnvelope.getY() + tileEnvelope.getHeight();
    Rectangle rectangle=new Rectangle((int)((tileX - imageX) / selectedGeometry.xDim),(int)((imageY - tileY) / -selectedGeometry.yDim),selectedGeometry.numCols,selectedGeometry.numRows);
    if (sceneBounds == null) {
      sceneBounds=new Rectangle(rectangle);
    }
 else {
      sceneBounds.add(rectangle);
    }
    tileInfos[i]=new TileInfo(i,tile.id,tileEnvelope,rectangle);
  }
  return new L1bSceneDescription(tileInfos,sceneEnvelope,sceneBounds,index);
}