Program: 11456
Project: 11456
Buggy source:
public void removeFactorsForCurrentTile(Band targetBand,Tile targetTile,String srcBandName) throws OperatorException {
  final Rectangle targetTileRectangle=targetTile.getRectangle();
  final int tx0=targetTileRectangle.x;
  final int ty0=targetTileRectangle.y;
  final int tw=targetTileRectangle.width;
  final int th=targetTileRectangle.height;
  final ProductData trgData=targetTile.getDataBuffer();
  final Band sourceBand1=sourceProduct.getBand(srcBandName);
  final Tile sourceTile=getSourceTile(sourceBand1,targetTileRectangle);
  final ProductData srcData=sourceTile.getDataBuffer();
  final String[] srcBandNames={targetBand.getName()};
  Band sourceBand2=null;
  if (srcBandNames.length > 1) {
    sourceBand2=sourceProduct.getBand(srcBandNames[1]);
  }
  final Unit.UnitType bandUnit=Unit.getUnitType(sourceBand1);
  if (applyADCSaturationCorrection && !adcHasBeenTestedFlag) {
    testADC(sourceBand1,sourceBand2,bandUnit);
  }
  boolean applyADCSaturationCorrectionToCurrentTile=false;
  if (applyADCSaturationCorrection && th >= blockHeight && tw >= blockWidth) {
    applyADCSaturationCorrectionToCurrentTile=true;
  }
  double[][] adcPowerLoss=null;
  if (applyADCSaturationCorrectionToCurrentTile) {
    adcPowerLoss=computeADCPowerLossValuesForCurrentTile(sourceBand1,sourceBand2,tx0,ty0,tw,th,bandUnit);
  }
  double sigma=0.0;
  int adcJ=0;
  for (int x=tx0; x < tx0 + tw; x++) {
    double antennaPatternByRangeSpreadingLoss=0.0;
    if (!isComplex) {
      antennaPatternByRangeSpreadingLoss=antennaPatternGain[x] / rangeSpreadingLoss[x];
    }
    if (applyADCSaturationCorrectionToCurrentTile) {
      adcJ=Math.min(((x - tx0) / blockWidth),adcPowerLoss[0].length - 1);
    }
    for (int y=ty0; y < ty0 + th; y++) {
      final int srcIndex=sourceTile.getDataBufferIndex(x,y);
      if (bandUnit == Unit.UnitType.AMPLITUDE) {
        final double dn=srcData.getElemDoubleAt(srcIndex);
        sigma=dn * dn;
      }
 else       if (bandUnit == Unit.UnitType.AMPLITUDE_DB) {
        sigma=FastMath.pow(10,srcData.getElemDoubleAt(srcIndex) / 5.0);
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY) {
        sigma=srcData.getElemDoubleAt(srcIndex);
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY_DB) {
        sigma=FastMath.pow(10,srcData.getElemDoubleAt(srcIndex) / 10.0);
      }
 else {
        throw new OperatorException("String_Node_Str");
      }
      if (!isComplex) {
        sigma*=antennaPatternByRangeSpreadingLoss;
      }
      if (!isERS1Mission) {
        sigma/=replicaPulseVariationsCorrectionFactor;
      }
      if (applyADCSaturationCorrectionToCurrentTile) {
        final int adcI=Math.min(((y - ty0) / blockHeight),adcPowerLoss.length - 1);
        sigma*=adcPowerLoss[adcI][adcJ];
      }
      if (bandUnit == Unit.UnitType.AMPLITUDE) {
        trgData.setElemDoubleAt(srcIndex,Math.sqrt(sigma));
      }
 else       if (bandUnit == Unit.UnitType.AMPLITUDE_DB) {
        trgData.setElemDoubleAt(srcIndex,5.0 * Math.log10(sigma));
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY) {
        trgData.setElemDoubleAt(srcIndex,sigma);
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY_DB) {
        trgData.setElemDoubleAt(srcIndex,10.0 * Math.log10(sigma));
      }
    }
  }
}

Fixed version (ground truth):
public void removeFactorsForCurrentTile(Band targetBand,Tile targetTile,String srcBandName) throws OperatorException {
  final Rectangle targetTileRectangle=targetTile.getRectangle();
  final int tx0=targetTileRectangle.x;
  final int ty0=targetTileRectangle.y;
  final int tw=targetTileRectangle.width;
  final int th=targetTileRectangle.height;
  final ProductData trgData=targetTile.getDataBuffer();
  final Band sourceBand1=sourceProduct.getBand(srcBandName);
  final Tile sourceTile=getSourceTile(sourceBand1,targetTileRectangle);
  final ProductData srcData=sourceTile.getDataBuffer();
  final String[] srcBandNames={targetBand.getName()};
  Band sourceBand2=null;
  if (srcBandNames.length > 1) {
    sourceBand2=sourceProduct.getBand(srcBandNames[1]);
  }
  final Unit.UnitType bandUnit=Unit.getUnitType(sourceBand1);
  if (applyADCSaturationCorrection && !adcHasBeenTestedFlag) {
    testADC(sourceBand1,sourceBand2,bandUnit);
  }
  boolean applyADCSaturationCorrectionToCurrentTile=false;
  if (applyADCSaturationCorrection && th >= blockHeight && tw >= blockWidth) {
    applyADCSaturationCorrectionToCurrentTile=true;
  }
  double[][] adcPowerLoss=null;
  if (applyADCSaturationCorrectionToCurrentTile) {
    adcPowerLoss=computeADCPowerLossValuesForCurrentTile(sourceBand1,sourceBand2,tx0,ty0,tw,th,bandUnit);
  }
  double sigma=0.0;
  int adcJ=0;
  for (int x=tx0; x < tx0 + tw; x++) {
    double antennaPatternByRangeSpreadingLoss=0.0;
    if (!isComplex) {
      antennaPatternByRangeSpreadingLoss=antennaPatternGain[x] / rangeSpreadingLoss[x];
    }
    if (applyADCSaturationCorrectionToCurrentTile) {
      adcJ=Math.min(((x - tx0) / blockWidth),adcPowerLoss[0].length - 1);
    }
    for (int y=ty0; y < ty0 + th; y++) {
      final int srcIndex=sourceTile.getDataBufferIndex(x,y);
      final int tgtIndex=targetTile.getDataBufferIndex(x,y);
      if (bandUnit == Unit.UnitType.AMPLITUDE) {
        final double dn=srcData.getElemDoubleAt(srcIndex);
        sigma=dn * dn;
      }
 else       if (bandUnit == Unit.UnitType.AMPLITUDE_DB) {
        sigma=FastMath.pow(10,srcData.getElemDoubleAt(srcIndex) / 5.0);
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY) {
        sigma=srcData.getElemDoubleAt(srcIndex);
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY_DB) {
        sigma=FastMath.pow(10,srcData.getElemDoubleAt(srcIndex) / 10.0);
      }
 else {
        throw new OperatorException("String_Node_Str");
      }
      if (!isComplex) {
        sigma*=antennaPatternByRangeSpreadingLoss;
      }
      if (!isERS1Mission) {
        sigma/=replicaPulseVariationsCorrectionFactor;
      }
      if (applyADCSaturationCorrectionToCurrentTile) {
        final int adcI=Math.min(((y - ty0) / blockHeight),adcPowerLoss.length - 1);
        sigma*=adcPowerLoss[adcI][adcJ];
      }
      if (bandUnit == Unit.UnitType.AMPLITUDE) {
        trgData.setElemDoubleAt(tgtIndex,Math.sqrt(sigma));
      }
 else       if (bandUnit == Unit.UnitType.AMPLITUDE_DB) {
        trgData.setElemDoubleAt(tgtIndex,5.0 * Math.log10(sigma));
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY) {
        trgData.setElemDoubleAt(tgtIndex,sigma);
      }
 else       if (bandUnit == Unit.UnitType.INTENSITY_DB) {
        trgData.setElemDoubleAt(tgtIndex,10.0 * Math.log10(sigma));
      }
    }
  }
}