Program: 50860
Project: 50860
Buggy source:
/** 
 * Returns a human readable description of this segment header.
 * @return A string describing the header.
 */
public String getDescription(){
  if (this.description == null) {
    StringBuilder descriptionSB=new StringBuilder();
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.schemaName);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.schemaChecksum);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.cubeName);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.measureName);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    for (    SegmentColumn c : constrainedColumns) {
      descriptionSB.append("String_Node_Str");
      descriptionSB.append(c.columnExpression);
      descriptionSB.append("String_Node_Str");
      if (c.values == null) {
        descriptionSB.append("String_Node_Str");
      }
 else {
        for (        Object value : c.values) {
          descriptionSB.append("String_Node_Str");
          descriptionSB.append(value);
          descriptionSB.append("String_Node_Str");
        }
      }
      descriptionSB.deleteCharAt(descriptionSB.length() - 1);
      descriptionSB.append("String_Node_Str");
    }
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    for (    SegmentColumn c : excludedRegions) {
      descriptionSB.append("String_Node_Str");
      descriptionSB.append(c.columnExpression);
      descriptionSB.append("String_Node_Str");
      if (c.values == null) {
        descriptionSB.append("String_Node_Str");
      }
 else {
        for (        Object value : c.values) {
          descriptionSB.append("String_Node_Str");
          descriptionSB.append(value);
          descriptionSB.append("String_Node_Str");
        }
      }
      descriptionSB.deleteCharAt(descriptionSB.length() - 1);
      descriptionSB.append("String_Node_Str");
    }
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    for (    String c : compoundPredicates) {
      descriptionSB.append("String_Node_Str");
      descriptionSB.append(c);
    }
    descriptionSB.append("String_Node_Str").append("String_Node_Str").append(getUniqueID()).append("String_Node_Str");
    this.description=descriptionSB.toString();
  }
  return description;
}

Fixed version (ground truth):
/** 
 * Returns a human readable description of this segment header.
 * @return A string describing the header.
 */
public String getDescription(){
  if (this.description == null) {
    StringBuilder descriptionSB=new StringBuilder();
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.schemaName);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.schemaChecksum);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.cubeName);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append(this.measureName);
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    for (    SegmentColumn c : getSortedColumns()) {
      descriptionSB.append("String_Node_Str");
      descriptionSB.append(c.columnExpression);
      descriptionSB.append("String_Node_Str");
      if (c.values == null) {
        descriptionSB.append("String_Node_Str");
      }
 else {
        for (        Object value : c.values) {
          descriptionSB.append("String_Node_Str");
          descriptionSB.append(value);
          descriptionSB.append("String_Node_Str");
        }
      }
      descriptionSB.deleteCharAt(descriptionSB.length() - 1);
      descriptionSB.append("String_Node_Str");
    }
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    for (    SegmentColumn c : getSortedRegions()) {
      descriptionSB.append("String_Node_Str");
      descriptionSB.append(c.columnExpression);
      descriptionSB.append("String_Node_Str");
      if (c.values == null) {
        descriptionSB.append("String_Node_Str");
      }
 else {
        for (        Object value : c.values) {
          descriptionSB.append("String_Node_Str");
          descriptionSB.append(value);
          descriptionSB.append("String_Node_Str");
        }
      }
      descriptionSB.deleteCharAt(descriptionSB.length() - 1);
      descriptionSB.append("String_Node_Str");
    }
    descriptionSB.append("String_Node_Str");
    descriptionSB.append("String_Node_Str");
    for (    String c : compoundPredicates) {
      descriptionSB.append("String_Node_Str");
      descriptionSB.append(c);
    }
    descriptionSB.append("String_Node_Str").append("String_Node_Str").append(getUniqueID()).append("String_Node_Str");
    this.description=descriptionSB.toString();
  }
  return description;
}