Program: 175112
Project: 175112
Buggy source:
public static float getFromGeoImageReader(SarImageReader gir){
  float enl=1;
  if (gir instanceof Radarsat1Image) {
    int ENLColumn=0, ENLLine=0;
    String processor=gir.getProcessor();
    String mode=gir.getMode();
    if (processor.charAt(0) == 'K' || processor.charAt(0) == 'S') {
      ENLColumn=0;
    }
 else {
      ENLColumn=1;
    }
    if (mode.equalsIgnoreCase("String_Node_Str")) {
      ENLLine=0;
    }
    if (mode.equalsIgnoreCase("String_Node_Str")) {
      ENLLine=1;
    }
    if (mode.equalsIgnoreCase("String_Node_Str")) {
      ENLLine=2;
    }
    if (((String)gir.getProduct()).equalsIgnoreCase("String_Node_Str")) {
      ENLLine=3;
    }
    enl=radarsatENLArray[ENLLine][ENLColumn];
  }
 else   if (gir instanceof Sentinel1SLC) {
    enl=1;
  }
 else   if (gir instanceof Sentinel1GRD || gir instanceof GDALSentinel1) {
    String name=((Sentinel1)gir).getSafeFilePath();
    String folder=new File(name).getParentFile().getAbsolutePath();
    if (folder.contains("String_Node_Str")) {
      enl=3.5F;
    }
 else     if (folder.contains("String_Node_Str")) {
      if (folder.matches("String_Node_Str")) {
        enl=27F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=4.4F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=2.7F;
      }
    }
 else     if (folder.contains("String_Node_Str")) {
      if (folder.matches("String_Node_Str")) {
        enl=50F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=50.0F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=9.6F;
      }
    }
  }
 else   if (gir instanceof EnvisatImage) {
    String swath=gir.getSwath();
    enl=Float.parseFloat(envisatENLMap.get(swath));
  }
 else   if (gir instanceof Radarsat2Image) {
    String temp=gir.getENL();
    enl=Float.parseFloat(temp);
  }
 else   if (gir instanceof TerrasarXImage) {
    enl=Float.parseFloat(gir.getENL());
  }
  return enl;
}

Fixed version (ground truth):
public static float getFromGeoImageReader(SarImageReader gir){
  float enl=1;
  if (gir instanceof Radarsat1Image) {
    int ENLColumn=0, ENLLine=0;
    String processor=gir.getProcessor();
    String mode=gir.getMode();
    if (processor.charAt(0) == 'K' || processor.charAt(0) == 'S') {
      ENLColumn=0;
    }
 else {
      ENLColumn=1;
    }
    if (mode.equalsIgnoreCase("String_Node_Str")) {
      ENLLine=0;
    }
    if (mode.equalsIgnoreCase("String_Node_Str")) {
      ENLLine=1;
    }
    if (mode.equalsIgnoreCase("String_Node_Str")) {
      ENLLine=2;
    }
    if (((String)gir.getProduct()).equalsIgnoreCase("String_Node_Str")) {
      ENLLine=3;
    }
    enl=radarsatENLArray[ENLLine][ENLColumn];
  }
 else   if (gir instanceof Sentinel1SLC) {
    enl=1;
  }
 else   if (gir instanceof Sentinel1GRD || gir instanceof GDALSentinel1) {
    String name=((Sentinel1)gir).getSafeFilePath();
    String folder=new File(name).getParentFile().getAbsolutePath();
    if (folder.contains("String_Node_Str")) {
      enl=3.5F;
    }
 else     if (folder.contains("String_Node_Str")) {
      if (folder.matches("String_Node_Str")) {
        enl=27F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=4.4F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=2.7F;
      }
    }
 else     if (folder.contains("String_Node_Str")) {
      if (folder.matches("String_Node_Str")) {
        enl=50F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=50.0F;
      }
 else       if (folder.contains("String_Node_Str")) {
        enl=9.6F;
      }
    }
  }
 else   if (gir instanceof EnvisatImage) {
    String swath=gir.getSwath();
    enl=Float.parseFloat(envisatENLMap.get(swath));
  }
 else   if (gir instanceof Radarsat2Image) {
    String temp=gir.getENL();
    enl=Float.parseFloat(temp);
  }
 else   if (gir instanceof TerrasarXImage) {
    enl=Float.parseFloat(gir.getENL());
  }
 else {
    enl=1;
  }
  return enl;
}