Program: 42301
Project: 42301
Buggy source:
@Override public int run(List<XValue> args) throws Exception {
  Options opts=new Options("String_Node_Str");
  opts.parse(args);
  String method="String_Node_Str";
  boolean doInput=true;
  boolean doOutput=false;
  String surl=null;
  if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    doInput=true;
    doOutput=true;
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    doOutput=true;
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    surl=opts.getOptString("String_Node_Str",null);
    method="String_Node_Str";
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    surl=opts.getOptString("String_Node_Str",null);
    method="String_Node_Str";
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   surl=opts.getRemainingArgs().get(0).toString();
  if (surl == null) {
    usage();
    return 1;
  }
  int ret=0;
  URL url=new URL(surl);
  URLConnection conn=url.openConnection();
  if (conn instanceof HttpURLConnection) {
    HttpURLConnection http=(HttpURLConnection)conn;
    setOptions(http,opts);
    http.setRequestMethod(method);
    http.setDoInput(doInput);
    http.setDoOutput(doOutput);
    if (doOutput) {
      conn.connect();
      OutputStream out=http.getOutputStream();
      Util.copyStream(getStdin().asInputStream(getSerializeOpts()),out);
      out.close();
    }
    ret=http.getResponseCode();
    if (ret == 200)     ret=0;
  }
  if (doInput) {
    InputStream in=conn.getInputStream();
    Util.copyStream(in,getStdout().asOutputStream());
    in.close();
  }
  return ret;
}

Fixed version (ground truth):
@Override public int run(List<XValue> args) throws Exception {
  Options opts=new Options("String_Node_Str");
  opts.parse(args);
  SerializeOpts serializeOpts=getSerializeOpts();
  String method="String_Node_Str";
  boolean doInput=true;
  boolean doOutput=false;
  String surl=null;
  if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    doInput=true;
    doOutput=true;
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    doOutput=true;
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    surl=opts.getOptString("String_Node_Str",null);
    method="String_Node_Str";
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    surl=opts.getOptString("String_Node_Str",null);
    method="String_Node_Str";
  }
 else   if (opts.hasOpt("String_Node_Str")) {
    method="String_Node_Str";
    surl=opts.getOptString("String_Node_Str",null);
  }
 else   surl=opts.getRemainingArgs().get(0).toString();
  if (surl == null) {
    usage();
    return 1;
  }
  int ret=0;
  URL url=new URL(surl);
  URLConnection conn=url.openConnection();
  if (conn instanceof HttpURLConnection) {
    HttpURLConnection http=(HttpURLConnection)conn;
    setOptions(http,opts);
    http.setRequestMethod(method);
    OptionValue headers=opts.getOpt("String_Node_Str");
    if (headers != null) {
      for (      XValue v : headers.getValues()) {
        StringPair pair=new StringPair(v.toString(),'=');
        http.addRequestProperty(pair.getLeft(),pair.getRight());
      }
    }
    http.setDoInput(doInput);
    http.setDoOutput(doOutput);
    if (doOutput) {
      conn.connect();
      OutputStream out=http.getOutputStream();
      Util.copyStream(getStdin().asInputStream(serializeOpts),out);
      out.close();
    }
    ret=http.getResponseCode();
    if (ret == 200)     ret=0;
  }
  if (doInput) {
    InputStream in=conn.getInputStream();
    Util.copyStream(in,getStdout().asOutputStream(serializeOpts));
    in.close();
  }
  return ret;
}