Program: 60760
Project: 60760
Buggy source:
@SuppressWarnings("String_Node_Str") public static SpiderInfo read(@Nullable InputStream is){
  if (null == is) {
    return null;
  }
  SpiderInfo spiderInfo=null;
  try {
    spiderInfo=new SpiderInfo();
    spiderInfo.startPage=getStartPage(IOUtils.readAsciiLine(is));
    spiderInfo.gid=Long.parseLong(IOUtils.readAsciiLine(is));
    spiderInfo.token=IOUtils.readAsciiLine(is);
    IOUtils.readAsciiLine(is);
    spiderInfo.previewPages=Integer.parseInt(IOUtils.readAsciiLine(is));
    spiderInfo.previewPerPage=Integer.parseInt(IOUtils.readAsciiLine(is));
    spiderInfo.pages=Integer.parseInt(IOUtils.readAsciiLine(is));
    if (spiderInfo.pages <= 0) {
      return null;
    }
    spiderInfo.pTokenMap=new SparseArray<>(spiderInfo.pages);
    while (true) {
      String line=IOUtils.readAsciiLine(is);
      int pos=line.indexOf("String_Node_Str");
      if (pos > 0 || pos < line.length() - 1) {
        int index=Integer.parseInt(line.substring(0,pos));
        String pToken=line.substring(pos + 1);
        if (!TextUtils.isEmpty(pToken)) {
          spiderInfo.pTokenMap.put(index,pToken);
        }
      }
 else {
        Log.e(TAG,"String_Node_Str" + pos);
      }
    }
  }
 catch (  IOException|NumberFormatException e) {
  }
  if (spiderInfo == null || spiderInfo.gid == -1 || spiderInfo.token == null || spiderInfo.previewPages == -1 || spiderInfo.previewPerPage == -1 || spiderInfo.pages == -1 || spiderInfo.pTokenMap == null) {
    return null;
  }
 else {
    return spiderInfo;
  }
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") public static SpiderInfo read(@Nullable InputStream is){
  if (null == is) {
    return null;
  }
  SpiderInfo spiderInfo=null;
  try {
    spiderInfo=new SpiderInfo();
    String line=IOUtils.readAsciiLine(is);
    int version=getVersion(line);
    if (version == VERSION) {
      line=IOUtils.readAsciiLine(is);
    }
 else     if (version == 1) {
    }
 else {
      return null;
    }
    spiderInfo.startPage=getStartPage(line);
    spiderInfo.gid=Long.parseLong(IOUtils.readAsciiLine(is));
    spiderInfo.token=IOUtils.readAsciiLine(is);
    IOUtils.readAsciiLine(is);
    spiderInfo.previewPages=Integer.parseInt(IOUtils.readAsciiLine(is));
    line=IOUtils.readAsciiLine(is);
    if (version == 1) {
    }
 else {
      spiderInfo.previewPerPage=Integer.parseInt(line);
    }
    spiderInfo.pages=Integer.parseInt(IOUtils.readAsciiLine(is));
    if (spiderInfo.pages <= 0) {
      return null;
    }
    spiderInfo.pTokenMap=new SparseArray<>(spiderInfo.pages);
    while (true) {
      line=IOUtils.readAsciiLine(is);
      int pos=line.indexOf("String_Node_Str");
      if (pos > 0 || pos < line.length() - 1) {
        int index=Integer.parseInt(line.substring(0,pos));
        String pToken=line.substring(pos + 1);
        if (!TextUtils.isEmpty(pToken)) {
          spiderInfo.pTokenMap.put(index,pToken);
        }
      }
 else {
        Log.e(TAG,"String_Node_Str" + pos);
      }
    }
  }
 catch (  IOException|NumberFormatException e) {
  }
  if (spiderInfo == null || spiderInfo.gid == -1 || spiderInfo.token == null || spiderInfo.pages == -1 || spiderInfo.pTokenMap == null) {
    return null;
  }
 else {
    return spiderInfo;
  }
}