Program: 12678
Project: 12678
Buggy source:
/** 
 * Creates a child FunctionalComponent instance for this ModuleDefinition object with the given arguments, and then adds to this ModuleDefinition's list of FunctionalComponent instances. <p> If this ModuleDefinition object belongs to an SBOLDocument instance, then the SBOLDcouement instance is checked for compliance first. Only a compliant SBOLDocument instance is allowed to be edited. <p> If the SBOLDocument instance already completely specifies all URIs and the given   {@code fcURI} is not found in them, then an {@link IllegalArgumentException} is thrown.<p> This method creates a compliant FunctionalComponent URI with the default URI prefix for this SBOLDocument instance, the given  {@code displayId}, and this ModuleDefinition object's version.
 * @param displayId
 * @param access
 * @param fcURI
 * @param direction
 * @return a FunctionalComponent instance
 * @throws SBOLException if the associated SBOLDocument is not compliant.
 * @throws IllegalArgumentException if the associated SBOLDocument instance already completelyspecifies all URIs and the given  {@code definitionURI} is not found in them.
 */
public FunctionalComponent createFunctionalComponent(String displayId,AccessType access,URI fcURI,DirectionType direction){
  if (sbolDocument != null)   sbolDocument.checkReadOnly();
  if (sbolDocument != null && sbolDocument.isComplete()) {
    if (sbolDocument.getComponentDefinition(fcURI) == null) {
      throw new IllegalArgumentException("String_Node_Str" + fcURI + "String_Node_Str");
    }
  }
  String URIprefix=this.getPersistentIdentity().toString();
  String version=this.getVersion();
  URI functionalComponentURI=createCompliantURI(URIprefix,displayId,version);
  FunctionalComponent fc=createFunctionalComponent(functionalComponentURI,access,fcURI,direction);
  fc.setPersistentIdentity(createCompliantURI(URIprefix,displayId,"String_Node_Str"));
  fc.setDisplayId(displayId);
  fc.setVersion(version);
  return fc;
}

Fixed version (ground truth):
/** 
 * Creates a child FunctionalComponent instance for this ModuleDefinition object with the given arguments, and then adds to this ModuleDefinition's list of FunctionalComponent instances. <p> If this ModuleDefinition object belongs to an SBOLDocument instance, then the SBOLDcouement instance is checked for compliance first. Only a compliant SBOLDocument instance is allowed to be edited. <p> If the SBOLDocument instance already completely specifies all URIs and the given   {@code fcURI} is not found in them, then an {@link IllegalArgumentException} is thrown.<p> This method creates a compliant FunctionalComponent URI with the default URI prefix for this SBOLDocument instance, the given  {@code displayId}, and this ModuleDefinition object's version.
 * @param displayId
 * @param access
 * @param componentDefinitionURI
 * @param direction
 * @return a FunctionalComponent instance
 * @throws SBOLException if the associated SBOLDocument is not compliant.
 * @throws IllegalArgumentException if the associated SBOLDocument instance already completelyspecifies all URIs and the given  {@code definitionURI} is not found in them.
 */
public FunctionalComponent createFunctionalComponent(String displayId,AccessType access,URI componentDefinitionURI,DirectionType direction){
  if (sbolDocument != null)   sbolDocument.checkReadOnly();
  if (sbolDocument != null && sbolDocument.isComplete()) {
    if (sbolDocument.getComponentDefinition(componentDefinitionURI) == null) {
      throw new IllegalArgumentException("String_Node_Str" + componentDefinitionURI + "String_Node_Str");
    }
  }
  String URIprefix=this.getPersistentIdentity().toString();
  String version=this.getVersion();
  URI functionalComponentURI=createCompliantURI(URIprefix,displayId,version);
  FunctionalComponent fc=createFunctionalComponent(functionalComponentURI,access,componentDefinitionURI,direction);
  fc.setPersistentIdentity(createCompliantURI(URIprefix,displayId,"String_Node_Str"));
  fc.setDisplayId(displayId);
  fc.setVersion(version);
  return fc;
}