Program: 88697
Project: 88697
Buggy source:
public DocumentValidator(Element e){
  start=e;
  log=Application.getInstance().getGUILog();
  cycles=new ArrayList<Set<ActivityNode>>();
  fatal=false;
  done=new HashSet<Behavior>();
  aef=new ActivityEdgeFactory();
  dg=new DefaultDirectedGraph<NamedElement,DirectedRelationship>(new ViewDependencyEdgeFactory());
  sysmlview=Utils.getViewStereotype();
  conforms=Utils.getConformsStereotype();
  OclEvaluator.opsCache=null;
  Validationui.addValidationRule(multipleFirstErrors);
  Validationui.addValidationRule(multipleNextErrors);
  Validationui.addValidationRule(multipleContentErrors);
  Validationui.addValidationRule(multipleViewpoints);
  Validationui.addValidationRule(multipleOutgoingFlows);
  Validationui.addValidationRule(mismatchStereotypeErrors);
  Validationui.addValidationRule(missingViewpointErrors);
  Validationui.addValidationRule(missingImportErrors);
  Validationui.addValidationRule(multipleInitialNode);
  Validationui.addValidationRule(multipleIncomingFlows);
  Validationui.addValidationRule(missingInitialNode);
  Validationui.addValidationRule(missingViewpointBehavior);
  Validationui.addValidationRule(missingStereotype);
  Validationui.addValidationRule(missingOutgoingFlow);
  Validationui.addValidationRule(multipleStereotypes);
  Validationui.addValidationRule(nonView2View);
  Validationui.addValidationRule(shouldBeSection);
  Validationui.addValidationRule(shouldNotBeSection);
  Validationui.addValidationRule(cycleError);
  Validationui.addValidationRule(activityNodeCycleError);
  Validationui.addValidationRule(constraintRule);
  ValidationOutput.add(Validationui);
}

Fixed version (ground truth):
public DocumentValidator(Element e){
  start=e;
  log=Application.getInstance().getGUILog();
  cycles=new ArrayList<Set<ActivityNode>>();
  fatal=false;
  done=new HashSet<Behavior>();
  aef=new ActivityEdgeFactory();
  dg=new DefaultDirectedGraph<NamedElement,DirectedRelationship>(new ViewDependencyEdgeFactory());
  sysmlview=Utils.getViewStereotype();
  conforms=Utils.getConformsStereotype();
  OclEvaluator.resetEnvironment();
  Validationui.addValidationRule(multipleFirstErrors);
  Validationui.addValidationRule(multipleNextErrors);
  Validationui.addValidationRule(multipleContentErrors);
  Validationui.addValidationRule(multipleViewpoints);
  Validationui.addValidationRule(multipleOutgoingFlows);
  Validationui.addValidationRule(mismatchStereotypeErrors);
  Validationui.addValidationRule(missingViewpointErrors);
  Validationui.addValidationRule(missingImportErrors);
  Validationui.addValidationRule(multipleInitialNode);
  Validationui.addValidationRule(multipleIncomingFlows);
  Validationui.addValidationRule(missingInitialNode);
  Validationui.addValidationRule(missingViewpointBehavior);
  Validationui.addValidationRule(missingStereotype);
  Validationui.addValidationRule(missingOutgoingFlow);
  Validationui.addValidationRule(multipleStereotypes);
  Validationui.addValidationRule(nonView2View);
  Validationui.addValidationRule(shouldBeSection);
  Validationui.addValidationRule(shouldNotBeSection);
  Validationui.addValidationRule(cycleError);
  Validationui.addValidationRule(activityNodeCycleError);
  Validationui.addValidationRule(constraintRule);
  ValidationOutput.add(Validationui);
}