Program: 61602
Project: 61602
Buggy source:
/** 
 * Return fix ingredient considering cache.
 * @param gen
 * @param targetStmt
 * @param operationType 
 * @param elementsFromFixSpace
 * @return
 */
protected CtElement getFixIngredient(Gen gen,CtElement targetStmt,String type,GenProgMutationOperation operationType){
  CtElement fix=null;
  int attempts=0;
  boolean continueSearching=true;
  int elementsFromFixSpace=0;
  List<?> ingredients=null;
  if (type == null) {
    ingredients=this.fixspace.getFixSpace(gen.getCodeElement());
  }
 else {
    ingredients=this.fixspace.getFixSpace(gen.getCodeElement(),type);
  }
  elementsFromFixSpace=(ingredients == null) ? 0 : ingredients.size();
  while (continueSearching && attempts < elementsFromFixSpace) {
    if (type == null) {
      fix=this.fixspace.getElementFromSpace(gen.getCodeElement());
    }
 else {
      fix=this.fixspace.getElementFromSpace(gen.getCodeElement(),type);
    }
    if (fix == null) {
      return null;
    }
    attempts++;
    INGREDIENT_STATUS fixStat=null;
    boolean alreadyApplied=alreadyApplied(gen,fix,operationType), ccompatibleNameTypes=false;
    if (!alreadyApplied && !fix.getSignature().equals(targetStmt.getSignature())) {
      ccompatibleNameTypes=VariableResolver.fitInPlace(gen.getContextOfGen(),fix);
      log.info("String_Node_Str" + "String_Node_Str" + ccompatibleNameTypes);
      continueSearching=!ccompatibleNameTypes;
      fixStat=(ccompatibleNameTypes) ? INGREDIENT_STATUS.compiles : INGREDIENT_STATUS.notcompiles;
    }
 else     fixStat=INGREDIENT_STATUS.alreadyanalyzed;
    currentStat.sizeSpace.add(new StatSpaceSize(gen.getProgramVariant().getId(),gen.getCodeElement().getClass().getSimpleName(),elementsFromFixSpace,(fix != null) ? fix.getClass().getSimpleName() : "String_Node_Str",fixStat));
  }
  if (continueSearching) {
    log.debug("String_Node_Str" + targetStmt.getSignature());
    return null;
  }
  return fix;
}

Fixed version (ground truth):
/** 
 * Return fix ingredient considering cache.
 * @param gen
 * @param targetStmt
 * @param operationType 
 * @param elementsFromFixSpace
 * @return
 */
protected CtElement getFixIngredient(Gen gen,CtElement targetStmt,String type,GenProgMutationOperation operationType){
  CtElement fix=null;
  int attempts=0;
  boolean continueSearching=true;
  int elementsFromFixSpace=0;
  List<?> ingredients=null;
  if (type == null) {
    ingredients=this.fixspace.getFixSpace(gen.getCodeElement());
  }
 else {
    ingredients=this.fixspace.getFixSpace(gen.getCodeElement(),type);
  }
  elementsFromFixSpace=(ingredients == null) ? 0 : ingredients.size();
  while (continueSearching && attempts < elementsFromFixSpace) {
    if (type == null) {
      fix=this.fixspace.getElementFromSpace(gen.getCodeElement());
    }
 else {
      fix=this.fixspace.getElementFromSpace(gen.getCodeElement(),type);
    }
    if (fix == null) {
      return null;
    }
    attempts++;
    INGREDIENT_STATUS fixStat=null;
    boolean alreadyApplied=alreadyApplied(gen,fix,operationType), ccompatibleNameTypes=false;
    if (!alreadyApplied && !fix.getSignature().equals(targetStmt.getSignature())) {
      ccompatibleNameTypes=VariableResolver.fitInPlace(gen.getContextOfGen(),fix);
      continueSearching=!ccompatibleNameTypes;
      fixStat=(ccompatibleNameTypes) ? INGREDIENT_STATUS.compiles : INGREDIENT_STATUS.notcompiles;
    }
 else {
      fixStat=INGREDIENT_STATUS.alreadyanalyzed;
    }
    currentStat.sizeSpace.add(new StatSpaceSize(gen.getProgramVariant().getId(),gen.getCodeElement().getClass().getSimpleName(),elementsFromFixSpace,((fix != null) ? fix.getClass().getSimpleName() : "String_Node_Str"),fixStat,((fix != null) ? determine(gen.getCodeElement(),fix) : IngredientSpaceStrategy.GLOBAL)));
  }
  if (continueSearching) {
    log.debug("String_Node_Str" + targetStmt.getSignature());
    return null;
  }
  return fix;
}