output: #fixed code
                               private void execute() throws IOException, TransformerException, JAXBException {
  		final CFLint cflint = new CFLint(loadConfig(configfile));
  		cflint.setVerbose(verbose);
  		cflint.setLogError(logerror);
  		cflint.setQuiet(quiet);
  		cflint.setShowProgress(showprogress);
  		cflint.setProgressUsesThread(progressUsesThread);
  		if(extensions != null && extensions.trim().length() > 0){
  			try{
  				cflint.setAllowedExtensions(Arrays.asList(extensions.trim().split(",")));
  			}catch(Exception e){
  				System.err.println("Unable to use extensions (" + extensions + ") using default instead. " + e.getMessage());
  			}
  		}
  		CFLintFilter filter = CFLintFilter.createFilter(verbose);
  		if(filterFile != null){
  			File ffile = new File(filterFile);
  			if(ffile.exists()){
  				FileInputStream fis = new FileInputStream(ffile);
  				byte b[] = new byte[fis.available()];
  				fis.read(b);
  				filter = CFLintFilter.createFilter(new String(b),verbose);
  			}
  		}
  
  		if (excludeCodes != null && excludeCodes.length > 0) {
  			filter.excludeCode(excludeCodes);
  		}
  		if (includeCodes != null && includeCodes.length > 0) {
  			filter.includeCode(includeCodes);
  		}
  		cflint.getBugs().setFilter(filter);
  		for (final String scanfolder : folder) {
  			cflint.scan(scanfolder);
  		}
  		if (stdIn) {
  			StringBuilder source = new StringBuilder();
  			Scanner scanner = new Scanner(System.in);
  			while (scanner.hasNextLine()) {
  				String nextLine = scanner.nextLine();
  				source.append(nextLine);
  				source.append(System.lineSeparator());
  			}
  			scanner.close();
  			cflint.process(source.toString(), stdInFile);
  		}
  		if (xmlOutput) {
  			Writer xmlwriter = stdOut ? new OutputStreamWriter(System.out) : new FileWriter(xmlOutFile);
  			if ("findbugs".equalsIgnoreCase(xmlstyle)) {
  				if(verbose) {
  					display("Writing XML findbugs style" + (stdOut ? "." : " to " + xmlOutFile));
  				}
  				new XMLOutput().outputFindBugs(cflint.getBugs(), xmlwriter);
  			} else {
  				if(verbose) {
  					display("Writing XML" + (stdOut ? "." : " to " + xmlOutFile));
  				}
  				new XMLOutput().output(cflint.getBugs(), xmlwriter);
  			}
  		}
  		if (textOutput) {
  			if(textOutFile != null){
  				if(verbose) {
  					display("Writing text" + (stdOut ? "." : " to " + textOutFile));
  				}
  			}
  			Writer textwriter = stdOut || textOutFile==null ? new OutputStreamWriter(System.out) : new FileWriter(textOutFile);
  			new TextOutput().output(cflint.getBugs(), textwriter);
  
  		}
  		if (htmlOutput) {
  			try {
  				if(verbose) {
  					display("Writing HTML" + (stdOut ? "." : " to " + htmlOutFile));
  				}
  				Writer htmlwriter = stdOut ? new OutputStreamWriter(System.out) : new FileWriter(htmlOutFile);
  				new HTMLOutput(htmlStyle).output(cflint.getBugs(), htmlwriter);
  			} catch (final TransformerException e) {
  				throw new IOException(e);
  			}
  		}
  		if (jsonOutput) {
  			if(verbose) {
  				display("Writing JSON" + (stdOut ? "." : " to " + jsonOutFile));
  			}
  			Writer jsonwriter = stdOut ? new OutputStreamWriter(System.out) : new FileWriter(jsonOutFile);
  			new JSONOutput().output(cflint.getBugs(), jsonwriter);
  		}
  		if (includeCodes != null) {
  			cflint.getBugs().getFilter().includeCode(includeCodes);
  		}
  		if (excludeCodes != null) {
  			cflint.getBugs().getFilter().excludeCode(excludeCodes);
  		}
  	}
input: #vulnerable code 
                               private void execute() throws IOException, TransformerException, JAXBException {
  		CFLintConfig config = null;
  		if(configfile != null){
  			if(configfile.toLowerCase().endsWith(".xml")){
  				config = ConfigUtils.unmarshal(new FileInputStream(configfile), CFLintConfig.class);
  			}else{
  				config = ConfigUtils.unmarshalJson(new FileInputStream(configfile), CFLintConfig.class);
  			}
  
  		}
  		final CFLint cflint = new CFLint(config);
  		cflint.setVerbose(verbose);
  		cflint.setLogError(logerror);
  		cflint.setQuiet(quiet);
  		cflint.setShowProgress(showprogress);
  		cflint.setProgressUsesThread(progressUsesThread);
  		if(extensions != null && extensions.trim().length() > 0){
  			try{
  				cflint.setAllowedExtensions(Arrays.asList(extensions.trim().split(",")));
  			}catch(Exception e){
  				System.err.println("Unable to use extensions (" + extensions + ") using default instead. " + e.getMessage());
  			}
  		}
  		CFLintFilter filter = CFLintFilter.createFilter(verbose);
  		if(filterFile != null){
  			File ffile = new File(filterFile);
  			if(ffile.exists()){
  				FileInputStream fis = new FileInputStream(ffile);
  				byte b[] = new byte[fis.available()];
  				fis.read(b);
  				filter = CFLintFilter.createFilter(new String(b),verbose);
  			}
  		}
  
  		if (excludeCodes != null && excludeCodes.length > 0) {
  			filter.excludeCode(excludeCodes);
  		}
  		if (includeCodes != null && includeCodes.length > 0) {
  			filter.includeCode(includeCodes);
  		}
  		cflint.getBugs().setFilter(filter);
  		for (final String scanfolder : folder) {
  			cflint.scan(scanfolder);
  		}
  		if (stdIn) {
  			StringBuilder source = new StringBuilder();
  			Scanner scanner = new Scanner(System.in);
  			while (scanner.hasNextLine()) {
  				String nextLine = scanner.nextLine();
  				source.append(nextLine);
  				source.append(System.lineSeparator());
  			}
  			scanner.close();
  			cflint.process(source.toString(), stdInFile);
  		}
  		if (xmlOutput) {
  			Writer xmlwriter = stdOut ? new OutputStreamWriter(System.out) : new FileWriter(xmlOutFile);
  			if ("findbugs".equalsIgnoreCase(xmlstyle)) {
  				if(verbose) {
  					display("Writing XML findbugs style" + (stdOut ? "." : " to " + xmlOutFile));
  				}
  				new XMLOutput().outputFindBugs(cflint.getBugs(), xmlwriter);
  			} else {
  				if(verbose) {
  					display("Writing XML" + (stdOut ? "." : " to " + xmlOutFile));
  				}
  				new XMLOutput().output(cflint.getBugs(), xmlwriter);
  			}
  		}
  		if (textOutput) {
  			if(textOutFile != null){
  				if(verbose) {
  					display("Writing text" + (stdOut ? "." : " to " + textOutFile));
  				}
  			}
  			Writer textwriter = stdOut || textOutFile==null ? new OutputStreamWriter(System.out) : new FileWriter(textOutFile);
  			new TextOutput().output(cflint.getBugs(), textwriter);
  
  		}
  		if (htmlOutput) {
  			try {
  				if(verbose) {
  					display("Writing HTML" + (stdOut ? "." : " to " + htmlOutFile));
  				}
  				Writer htmlwriter = stdOut ? new OutputStreamWriter(System.out) : new FileWriter(htmlOutFile);
  				new HTMLOutput(htmlStyle).output(cflint.getBugs(), htmlwriter);
  			} catch (final TransformerException e) {
  				throw new IOException(e);
  			}
  		}
  		if (jsonOutput) {
  			if(verbose) {
  				display("Writing JSON" + (stdOut ? "." : " to " + jsonOutFile));
  			}
  			Writer jsonwriter = stdOut ? new OutputStreamWriter(System.out) : new FileWriter(jsonOutFile);
  			new JSONOutput().output(cflint.getBugs(), jsonwriter);
  		}
  		if (includeCodes != null) {
  			cflint.getBugs().getFilter().includeCode(includeCodes);
  		}
  		if (excludeCodes != null) {
  			cflint.getBugs().getFilter().excludeCode(excludeCodes);
  		}
  	} 
                              #location 41 
                              #vulnerability type NULL_DEREFERENCE