Program: 88568
Project: 88568
Buggy source:
public void validate(ProgressStatus progressStatus,boolean allBranches){
  IPrimaryProject primaryProject=project.getPrimaryProject();
  if (!ProjectUtilities.isRemote(primaryProject)) {
    return;
  }
  if (EsiUtils.getLoggedUserName() == null) {
    errors=true;
    Utils.guilog("String_Node_Str");
    return;
  }
  String currentBranch=EsiUtils.getCurrentBranch(primaryProject).getName();
  if (currentBranch.equals("String_Node_Str")) {
    currentBranch="String_Node_Str";
  }
  Map<String,Pair<EsiUtils.EsiBranchInfo,ObjectNode>> clientBranches=new HashMap<>();
  Map<String,ObjectNode> serverBranches=new HashMap<>();
  if (progressStatus != null) {
    progressStatus.setDescription("String_Node_Str");
    progressStatus.setIndeterminate(true);
  }
  Collection<EsiUtils.EsiBranchInfo> targetBranches=null;
  if (allBranches) {
    try {
      ProjectDescriptor projectDescriptor=ProjectDescriptorsFactory.createAnyRemoteProjectDescriptor(project);
      targetBranches=EsiUtils.getBranches(projectDescriptor);
    }
 catch (    Exception e) {
      e.printStackTrace();
    }
    if (targetBranches == null || targetBranches.isEmpty()) {
      return;
    }
  }
 else {
    targetBranches=new ArrayList<>(1);
    targetBranches.add(EsiUtils.getCurrentBranch(primaryProject));
  }
  for (  EsiUtils.EsiBranchInfo branch : targetBranches) {
    ObjectNode branchJson=getRefObjectNode(project,branch,true);
    JsonNode value;
    String entryKey;
    if ((value=branchJson.get(MDKConstants.ID_KEY)) != null && value.isTextual()) {
      entryKey=branchJson.get(MDKConstants.ID_KEY).asText();
      if (allBranches || entryKey.equals(currentBranch)) {
        clientBranches.put(entryKey,new Pair<>(branch,branchJson));
      }
    }
  }
  if (progressStatus != null) {
    progressStatus.setDescription("String_Node_Str");
  }
  URIBuilder requestUri=MMSUtils.getServiceProjectsRefsUri(project);
  if (requestUri == null) {
    errors=true;
    Application.getInstance().getGUILog().log("String_Node_Str");
    return;
  }
  if (!allBranches) {
    requestUri.setPath(requestUri.getPath() + "String_Node_Str" + currentBranch);
  }
  try {
    HttpRequestBase request=MMSUtils.buildRequest(MMSUtils.HttpRequestType.GET,requestUri);
    ObjectNode response=JacksonUtils.parseJsonObject(MMSUtils.sendMMSRequest(project,request));
    JsonNode refsArray, value;
    if ((refsArray=response.get("String_Node_Str")) != null && refsArray.isArray()) {
      for (      JsonNode refJson : refsArray) {
        if (refJson.isObject()) {
          String entryKey;
          if ((value=refJson.get(MDKConstants.ID_KEY)) != null && value.isTextual()) {
            entryKey=refJson.get(MDKConstants.ID_KEY).asText();
            if (allBranches || entryKey.equals(currentBranch)) {
              serverBranches.put(entryKey,(ObjectNode)refJson);
            }
          }
        }
      }
    }
  }
 catch (  IOException|URISyntaxException|ServerException e) {
    errors=true;
    e.printStackTrace();
    Application.getInstance().getGUILog().log("String_Node_Str" + e.getMessage());
    return;
  }
  Set<String> keySet=new HashSet<>();
  keySet.addAll(clientBranches.keySet());
  keySet.addAll(serverBranches.keySet());
  if (progressStatus != null) {
    progressStatus.setDescription("String_Node_Str" + keySet.size() + "String_Node_Str"+ (keySet.size() != 1 ? "String_Node_Str" : "String_Node_Str"));
    progressStatus.setIndeterminate(false);
    progressStatus.setMax(keySet.size());
    progressStatus.setCurrent(0);
  }
  for (  String key : keySet) {
    if (key.equals("String_Node_Str")) {
      continue;
    }
    Pair<EsiUtils.EsiBranchInfo,ObjectNode> clientBranch=clientBranches.get(key);
    ObjectNode serverBranch=serverBranches.get(key);
    if (clientBranch == null) {
    }
 else     if (serverBranch == null) {
      ValidationRuleViolation v=new ValidationRuleViolation(project.getPrimaryModel(),"String_Node_Str" + key + "String_Node_Str");
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),false,false));
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),true,false));
      mmsMissingBranchValidationRule.addViolation(v);
    }
 else {
      JsonNode diff=JsonDiffFunction.getInstance().apply(clientBranch.getValue(),serverBranch);
      if (JsonPatchUtils.isEqual(diff)) {
        continue;
      }
      ValidationRuleViolation v=new ValidationRuleViolation(project.getPrimaryModel(),"String_Node_Str" + key + "String_Node_Str");
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),false,true));
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),true,true));
      branchEquivalenceValidationRule.addViolation(v);
    }
    if (progressStatus != null) {
      progressStatus.increase();
    }
  }
}

Fixed version (ground truth):
public void validate(ProgressStatus progressStatus,boolean allBranches){
  if (project == null) {
    return;
  }
  IPrimaryProject primaryProject=project.getPrimaryProject();
  if (!ProjectUtilities.isRemote(primaryProject)) {
    return;
  }
  if (EsiUtils.getLoggedUserName() == null) {
    errors=true;
    Utils.guilog("String_Node_Str");
    return;
  }
  String currentBranch=EsiUtils.getCurrentBranch(primaryProject).getName();
  if (currentBranch.equals("String_Node_Str")) {
    currentBranch="String_Node_Str";
  }
  Map<String,Pair<EsiUtils.EsiBranchInfo,ObjectNode>> clientBranches=new HashMap<>();
  Map<String,ObjectNode> serverBranches=new HashMap<>();
  if (progressStatus != null) {
    progressStatus.setDescription("String_Node_Str");
    progressStatus.setIndeterminate(true);
  }
  Collection<EsiUtils.EsiBranchInfo> targetBranches=null;
  if (allBranches) {
    try {
      ProjectDescriptor projectDescriptor=ProjectDescriptorsFactory.createAnyRemoteProjectDescriptor(project);
      targetBranches=EsiUtils.getBranches(projectDescriptor);
    }
 catch (    Exception e) {
      e.printStackTrace();
    }
    if (targetBranches == null || targetBranches.isEmpty()) {
      return;
    }
  }
 else {
    targetBranches=new ArrayList<>(1);
    targetBranches.add(EsiUtils.getCurrentBranch(primaryProject));
  }
  for (  EsiUtils.EsiBranchInfo branch : targetBranches) {
    ObjectNode branchJson=getRefObjectNode(project,branch,true);
    JsonNode value;
    String entryKey;
    if ((value=branchJson.get(MDKConstants.ID_KEY)) != null && value.isTextual()) {
      entryKey=branchJson.get(MDKConstants.ID_KEY).asText();
      if (allBranches || entryKey.equals(currentBranch)) {
        clientBranches.put(entryKey,new Pair<>(branch,branchJson));
      }
    }
  }
  if (progressStatus != null) {
    progressStatus.setDescription("String_Node_Str");
  }
  URIBuilder requestUri=MMSUtils.getServiceProjectsRefsUri(project);
  if (requestUri == null) {
    errors=true;
    Application.getInstance().getGUILog().log("String_Node_Str");
    return;
  }
  if (!allBranches) {
    requestUri.setPath(requestUri.getPath() + "String_Node_Str" + currentBranch);
  }
  try {
    HttpRequestBase request=MMSUtils.buildRequest(MMSUtils.HttpRequestType.GET,requestUri);
    ObjectNode response=JacksonUtils.parseJsonObject(MMSUtils.sendMMSRequest(project,request));
    JsonNode refsArray, value;
    if ((refsArray=response.get("String_Node_Str")) != null && refsArray.isArray()) {
      for (      JsonNode refJson : refsArray) {
        if (refJson.isObject()) {
          String entryKey;
          if ((value=refJson.get(MDKConstants.ID_KEY)) != null && value.isTextual()) {
            entryKey=refJson.get(MDKConstants.ID_KEY).asText();
            if (allBranches || entryKey.equals(currentBranch)) {
              serverBranches.put(entryKey,(ObjectNode)refJson);
            }
          }
        }
      }
    }
  }
 catch (  IOException|URISyntaxException|ServerException e) {
    errors=true;
    e.printStackTrace();
    Application.getInstance().getGUILog().log("String_Node_Str" + e.getMessage());
    return;
  }
  Set<String> keySet=new HashSet<>();
  keySet.addAll(clientBranches.keySet());
  keySet.addAll(serverBranches.keySet());
  if (progressStatus != null) {
    progressStatus.setDescription("String_Node_Str" + keySet.size() + "String_Node_Str"+ (keySet.size() != 1 ? "String_Node_Str" : "String_Node_Str"));
    progressStatus.setIndeterminate(false);
    progressStatus.setMax(keySet.size());
    progressStatus.setCurrent(0);
  }
  for (  String key : keySet) {
    if (key.equals("String_Node_Str")) {
      continue;
    }
    Pair<EsiUtils.EsiBranchInfo,ObjectNode> clientBranch=clientBranches.get(key);
    ObjectNode serverBranch=serverBranches.get(key);
    if (clientBranch == null) {
    }
 else     if (serverBranch == null) {
      ValidationRuleViolation v=new ValidationRuleViolation(project.getPrimaryModel(),"String_Node_Str" + key + "String_Node_Str");
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),false,false));
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),true,false));
      mmsMissingBranchValidationRule.addViolation(v);
    }
 else {
      JsonNode diff=JsonDiffFunction.getInstance().apply(clientBranch.getValue(),serverBranch);
      if (JsonPatchUtils.isEqual(diff)) {
        continue;
      }
      ValidationRuleViolation v=new ValidationRuleViolation(project.getPrimaryModel(),"String_Node_Str" + key + "String_Node_Str");
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),false,true));
      v.addAction(new CommitBranchAction(key,project,clientBranch.getKey(),true,true));
      branchEquivalenceValidationRule.addViolation(v);
    }
    if (progressStatus != null) {
      progressStatus.increase();
    }
  }
}