Program: 161988
Project: 161988
Buggy source:
@Override public <T>T clone(T obj,CloneDriver context,IdentityHashMap<Object,Object> referencesToReuse){
  if (obj == null) {
    return null;
  }
  if (context.isImmutableInstance(obj)) {
    return obj;
  }
  @SuppressWarnings("String_Node_Str") final Class<T> clazz=(Class<T>)obj.getClass();
  if (clazz.isPrimitive() || clazz.isEnum()) {
    return obj;
  }
  if (ClassUtils.isJdkImmutable(clazz) || ClassUtils.isWrapper(clazz) || context.getImmutableClasses().contains(clazz)|| context.getNonCloneableClasses().contains(clazz)) {
    return obj;
  }
  @SuppressWarnings("String_Node_Str") final T result=(T)referencesToReuse.get(obj);
  if (result != null) {
    return result;
  }
  final CloneImplementor cloneImplementor;
  if (context.isUseCloneImplementors()) {
    cloneImplementor=context.getImplementor(clazz);
  }
 else {
    cloneImplementor=context.getBuiltInImplementor(clazz);
  }
  if (cloneImplementor != null) {
    T copy=cloneImplementor.clone(obj,context,referencesToReuse);
    referencesToReuse.put(obj,copy);
    return copy;
  }
  P model=getClassModel(obj.getClass());
  if (model.isDetectedAsImmutable() || model.isNonCloneable()) {
    return obj;
  }
  final org.jadira.cloning.annotation.Cloneable cloneableAnnotation=clazz.getAnnotation(org.jadira.cloning.annotation.Cloneable.class);
  if (cloneableAnnotation != null && !void.class.equals(cloneableAnnotation.implementor())) {
    final T copy=handleCloneImplementor(obj,context,referencesToReuse,clazz,cloneableAnnotation);
    referencesToReuse.put(obj,copy);
    return result;
  }
  if (model.getCloneImplementor() != null) {
    final T copy=model.getCloneImplementor().clone(obj,context,referencesToReuse);
    referencesToReuse.put(obj,copy);
    return result;
  }
  if (context.isUseCloneable() && Cloneable.class.isAssignableFrom(clazz)) {
    final T copy=handleCloneableCloneMethod(obj,context,referencesToReuse,clazz,cloneableAnnotation);
    referencesToReuse.put(obj,copy);
    return result;
  }
  if (clazz.isArray()) {
    final T copy=handleArray(obj,context,referencesToReuse);
    referencesToReuse.put(obj,copy);
    return copy;
  }
  final T copy=newInstance(clazz);
  referencesToReuse.put(obj,copy);
  for (  F f : model.getModelFields()) {
    if (!context.isCloneTransientFields() && f.isTransientField()) {
      handleTransientField(copy,f);
    }
 else     if (!context.isCloneTransientAnnotatedFields() && f.isTransientAnnotatedField()) {
      handleTransientField(copy,f);
    }
 else {
      handleCloneField(obj,copy,context,f,referencesToReuse);
    }
  }
  return copy;
}

Fixed version (ground truth):
@Override public <T>T clone(T obj,CloneDriver context,IdentityHashMap<Object,Object> referencesToReuse){
  if (obj == null) {
    return null;
  }
  if (context.isImmutableInstance(obj)) {
    return obj;
  }
  @SuppressWarnings("String_Node_Str") final Class<T> clazz=(Class<T>)obj.getClass();
  if (clazz.isPrimitive() || clazz.isEnum()) {
    return obj;
  }
  if (ClassUtils.isJdkImmutable(clazz) || ClassUtils.isWrapper(clazz) || context.getImmutableClasses().contains(clazz)|| context.getNonCloneableClasses().contains(clazz)) {
    return obj;
  }
  @SuppressWarnings("String_Node_Str") final T result=(T)referencesToReuse.get(obj);
  if (result != null) {
    return result;
  }
  final CloneImplementor cloneImplementor;
  if (context.isUseCloneImplementors()) {
    cloneImplementor=context.getImplementor(clazz);
  }
 else {
    cloneImplementor=context.getBuiltInImplementor(clazz);
  }
  if (cloneImplementor != null) {
    T copy=cloneImplementor.clone(obj,context,referencesToReuse);
    referencesToReuse.put(obj,copy);
    return copy;
  }
  P model=getClassModel(obj.getClass());
  if (model.isDetectedAsImmutable() || model.isNonCloneable()) {
    return obj;
  }
  final org.jadira.cloning.annotation.Cloneable cloneableAnnotation=clazz.getAnnotation(org.jadira.cloning.annotation.Cloneable.class);
  if (cloneableAnnotation != null && !void.class.equals(cloneableAnnotation.implementor())) {
    final T copy=handleCloneImplementor(obj,context,referencesToReuse,clazz,cloneableAnnotation);
    referencesToReuse.put(obj,copy);
    return copy;
  }
  if (model.getCloneImplementor() != null) {
    final T copy=model.getCloneImplementor().clone(obj,context,referencesToReuse);
    referencesToReuse.put(obj,copy);
    return copy;
  }
  if (context.isUseCloneable() && Cloneable.class.isAssignableFrom(clazz)) {
    final T copy=handleCloneableCloneMethod(obj,context,referencesToReuse,clazz,cloneableAnnotation);
    referencesToReuse.put(obj,copy);
    return copy;
  }
  if (clazz.isArray()) {
    final T copy=handleArray(obj,context,referencesToReuse);
    referencesToReuse.put(obj,copy);
    return copy;
  }
  final T copy=newInstance(clazz);
  referencesToReuse.put(obj,copy);
  for (  F f : model.getModelFields()) {
    if (!context.isCloneTransientFields() && f.isTransientField()) {
      handleTransientField(copy,f);
    }
 else     if (!context.isCloneTransientAnnotatedFields() && f.isTransientAnnotatedField()) {
      handleTransientField(copy,f);
    }
 else {
      handleCloneField(obj,copy,context,f,referencesToReuse);
    }
  }
  return copy;
}