Program: 97611
Project: 97611
Buggy source:
/** 
 * Validate AbstractWorkflowArtifact for transition including checking widget validation, rules, assignment, etc.
 * @return Result.isFalse if failure
 */
public void handleTransitionValidation(TransitionResults results){
  try {
    if (helper.getAwas().isEmpty()) {
      results.addResult(TransitionResult.NO_WORKFLOWS_PROVIDED_FOR_TRANSITION);
      return;
    }
    if (helper.getToStateName() == null) {
      results.addResult(TransitionResult.TO_STATE_CANT_BE_NULL);
      return;
    }
    if (helper.isSystemUser()) {
      results.addResult(TransitionResult.CAN_NOT_TRANSITION_AS_SYSTEM_USER);
      return;
    }
  }
 catch (  OseeCoreException ex) {
    results.addResult(new TransitionResult(String.format("String_Node_Str",helper.getName()),ex));
  }
  for (  AbstractWorkflowArtifact awa : helper.getAwas()) {
    try {
      IAtsStateDefinition fromStateDef=awa.getStateDefinition();
      IAtsStateDefinition toStateDef=awa.getStateDefinitionByName(helper.getToStateName());
      if (toStateDef == null) {
        results.addResult(awa,new TransitionResult(String.format("String_Node_Str",helper.getToStateName(),awa.getWorkDefinition().getName())));
        continue;
      }
      if (!helper.isOverrideTransitionValidityCheck() && !fromStateDef.getToStates().contains(toStateDef) && !fromStateDef.getStateType().isCompletedOrCancelledState()) {
        String errStr=String.format("String_Node_Str",toStateDef.getName(),fromStateDef.getName(),toStateDef.getName());
        OseeLog.log(Activator.class,Level.SEVERE,errStr);
        results.addResult(awa,new TransitionResult(errStr));
        continue;
      }
      boolean stateIsEditable=WorkflowManagerCore.isEditable(awa,awa.getStateDefinition(),helper.isPrivilegedEditEnabled());
      boolean currentlyUnAssigned=awa.getStateMgr().getAssignees().contains(AtsUsers.getUnAssigned());
      awa.getStateMgr().validateNoBootstrapUser();
      boolean overrideAssigneeCheck=helper.isOverrideAssigneeCheck();
      if (awa.isTask() && awa.getParentTeamWorkflow().isCompletedOrCancelled()) {
        results.addResult(awa,TransitionResult.TASK_CANT_TRANSITION_IF_PARENT_COMPLETED);
        continue;
      }
 else       if (!awa.isTask() && !stateIsEditable && !currentlyUnAssigned&& !overrideAssigneeCheck) {
        results.addResult(awa,TransitionResult.MUST_BE_ASSIGNED);
        continue;
      }
      isWorkingBranchTransitionable(results,awa,toStateDef);
      if (results.isCancelled()) {
        continue;
      }
      if (!overrideAssigneeCheck && !toStateDef.getStateType().isCancelledState() && helper.isSystemUserAssingee(awa)) {
        results.addResult(awa,TransitionResult.CAN_NOT_TRANSITION_WITH_SYSTEM_USER_ASSIGNED);
        continue;
      }
      isStateTransitionable(results,awa,toStateDef);
      if (results.isCancelled()) {
        continue;
      }
      isTransitionValidForExtensions(results,awa,fromStateDef,toStateDef);
      if (results.isCancelled()) {
        continue;
      }
    }
 catch (    OseeCoreException ex) {
      results.addResult(awa,new TransitionResult(String.format("String_Node_Str",helper.getName()),ex));
    }
  }
}

Fixed version (ground truth):
/** 
 * Validate AbstractWorkflowArtifact for transition including checking widget validation, rules, assignment, etc.
 * @return Result.isFalse if failure
 */
public void handleTransitionValidation(TransitionResults results){
  try {
    if (helper.getAwas().isEmpty()) {
      results.addResult(TransitionResult.NO_WORKFLOWS_PROVIDED_FOR_TRANSITION);
      return;
    }
    if (helper.getToStateName() == null) {
      results.addResult(TransitionResult.TO_STATE_CANT_BE_NULL);
      return;
    }
    if (helper.isSystemUser()) {
      results.addResult(TransitionResult.CAN_NOT_TRANSITION_AS_SYSTEM_USER);
      return;
    }
  }
 catch (  OseeCoreException ex) {
    results.addResult(new TransitionResult(String.format("String_Node_Str",helper.getName()),ex));
  }
  for (  AbstractWorkflowArtifact awa : helper.getAwas()) {
    try {
      IAtsStateDefinition fromStateDef=awa.getStateDefinition();
      IAtsStateDefinition toStateDef=awa.getStateDefinitionByName(helper.getToStateName());
      if (toStateDef == null) {
        results.addResult(awa,new TransitionResult(String.format("String_Node_Str",helper.getToStateName(),awa.getWorkDefinition().getName())));
        continue;
      }
      if (!fromStateDef.equals(toStateDef)) {
        if (!helper.isOverrideTransitionValidityCheck() && !fromStateDef.getToStates().contains(toStateDef) && !fromStateDef.getStateType().isCompletedOrCancelledState()) {
          String errStr=String.format("String_Node_Str",toStateDef.getName(),fromStateDef.getName(),toStateDef.getName());
          OseeLog.log(Activator.class,Level.SEVERE,errStr);
          results.addResult(awa,new TransitionResult(errStr));
          continue;
        }
        boolean stateIsEditable=WorkflowManagerCore.isEditable(awa,awa.getStateDefinition(),helper.isPrivilegedEditEnabled());
        boolean currentlyUnAssigned=awa.getStateMgr().getAssignees().contains(AtsUsers.getUnAssigned());
        awa.getStateMgr().validateNoBootstrapUser();
        boolean overrideAssigneeCheck=helper.isOverrideAssigneeCheck();
        if (awa.isTask() && awa.getParentTeamWorkflow().isCompletedOrCancelled()) {
          results.addResult(awa,TransitionResult.TASK_CANT_TRANSITION_IF_PARENT_COMPLETED);
          continue;
        }
 else         if (!awa.isTask() && !stateIsEditable && !currentlyUnAssigned&& !overrideAssigneeCheck) {
          results.addResult(awa,TransitionResult.MUST_BE_ASSIGNED);
          continue;
        }
        isWorkingBranchTransitionable(results,awa,toStateDef);
        if (results.isCancelled()) {
          continue;
        }
        if (!overrideAssigneeCheck && !toStateDef.getStateType().isCancelledState() && helper.isSystemUserAssingee(awa)) {
          results.addResult(awa,TransitionResult.CAN_NOT_TRANSITION_WITH_SYSTEM_USER_ASSIGNED);
          continue;
        }
        isStateTransitionable(results,awa,toStateDef);
        if (results.isCancelled()) {
          continue;
        }
        isTransitionValidForExtensions(results,awa,fromStateDef,toStateDef);
        if (results.isCancelled()) {
          continue;
        }
      }
    }
 catch (    OseeCoreException ex) {
      results.addResult(awa,new TransitionResult(String.format("String_Node_Str",helper.getName()),ex));
    }
  }
}