Program: 167728
Project: 167728
Buggy source:
public static Console getConsole(final CommandContext ctx,InputStream is,OutputStream os,final Settings settings) throws CliInitializationException {
  org.jboss.aesh.console.Console aeshConsole=null;
  try {
    aeshConsole=new org.jboss.aesh.console.Console(settings);
  }
 catch (  Throwable e) {
    throw new CliInitializationException("String_Node_Str",e);
  }
  final org.jboss.aesh.console.Console finalAeshConsole=aeshConsole;
  Console console=new Console(){
    private CommandContext cmdCtx=ctx;
    private org.jboss.aesh.console.Console console=finalAeshConsole;
    private CommandHistory history=new HistoryImpl();
    private boolean controlled;
    @Override public void addCompleter(    final CommandLineCompleter completer){
      console.addCompletion(new Completion(){
        @Override public void complete(        CompleteOperation co){
          List<String> candidates=new ArrayList<>();
          int offset=completer.complete(cmdCtx,co.getBuffer(),co.getCursor(),candidates);
          co.setOffset(offset);
          co.setCompletionCandidates(candidates);
          if (co.getCompletionCandidates().size() == 1 && co.getCompletionCandidates().get(0).getCharacters().startsWith(co.getBuffer()))           co.doAppendSeparator(true);
 else           co.doAppendSeparator(false);
        }
      }
);
    }
    @Override public boolean isUseHistory(){
      return !settings.isHistoryDisabled();
    }
    @Override public CommandHistory getHistory(){
      return history;
    }
    @Override public void setCompletion(    boolean complete){
      console.setCompletionEnabled(complete);
    }
    @Override public void clearScreen(){
      try {
        console.clear();
      }
 catch (      IOException e) {
        e.printStackTrace();
      }
    }
    @Override public void printColumns(    Collection<String> list){
      String[] newList=new String[list.size()];
      list.toArray(newList);
      console.getShell().out().println(Parser.formatDisplayList(newList,console.getTerminalSize().getHeight(),console.getTerminalSize().getWidth()));
    }
    @Override public void print(    String line){
      console.getShell().out().print(line);
    }
    @Override public void printNewLine(){
      console.getShell().out().println();
    }
    @Override public String readLine(    String prompt){
      return read(prompt,null);
    }
    @Override public String readLine(    String prompt,    Character mask){
      return read(prompt,mask);
    }
    private String read(    String prompt,    Character mask){
      int PID=-1;
      try {
        ConsoleCallback callback=console.getConsoleCallback();
        if (callback instanceof CommandContextImpl.CLIAeshConsoleCallback) {
          CommandContextImpl.CLIAeshConsoleCallback cliCallback=((CommandContextImpl.CLIAeshConsoleCallback)callback);
          if (cliCallback.hasActiveProcess()) {
            PID=cliCallback.getProcessPID();
            console.putProcessInBackground(PID);
          }
        }
        Prompt origPrompt=null;
        if (!console.getPrompt().getPromptAsString().equals(prompt)) {
          origPrompt=console.getPrompt();
          console.setPrompt(new Prompt(prompt,mask));
          redrawPrompt();
        }
        try {
          return console.getInputLine();
        }
 catch (        InterruptedException e) {
          e.printStackTrace();
        }
 finally {
          if (origPrompt != null) {
            console.setPrompt(origPrompt);
          }
        }
      }
  finally {
        if (PID != -1) {
          console.putProcessInForeground(PID);
        }
      }
      return null;
    }
    @Override public int getTerminalWidth(){
      return console.getTerminalSize().getWidth();
    }
    @Override public int getTerminalHeight(){
      return console.getTerminalSize().getHeight();
    }
    @Override public boolean isCompletionEnabled(){
      return settings.isCompletionDisabled();
    }
    @Override public void interrupt(){
    }
    @Override public void controlled(){
      console.controlled();
      controlled=true;
    }
    @Override public void continuous(){
      console.continuous();
      controlled=false;
    }
    @Override public boolean isControlled(){
      return controlled;
    }
    @Override public void setCallback(    ConsoleCallback consoleCallback){
      if (console != null)       console.setConsoleCallback(consoleCallback);
    }
    @Override public void start(){
      if (console != null)       console.start();
    }
    @Override public void stop(){
      if (console != null) {
        console.stop();
      }
    }
    @Override public boolean running(){
      return console != null && (console.isRunning() || console.hasRunningProcesses());
    }
    @Override public void setPrompt(    String prompt){
      setPrompt(prompt,null);
    }
    @Override public void setPrompt(    String prompt,    Character mask){
      if (!prompt.equals(console.getPrompt().getPromptAsString())) {
        console.setPrompt(new Prompt(prompt,mask));
      }
    }
    @Override public void redrawPrompt(){
      console.clearBufferAndDisplayPrompt();
    }
class HistoryImpl implements CommandHistory {
      @Override public List<String> asList(){
        return console.getHistory().getAll();
      }
      @Override public boolean isUseHistory(){
        return console.getHistory().isEnabled();
      }
      @Override public void setUseHistory(      boolean useHistory){
        if (useHistory) {
          console.getHistory().enable();
        }
 else {
          console.getHistory().disable();
        }
      }
      @Override public void clear(){
        console.getHistory().clear();
      }
      @Override public int getMaxSize(){
        return settings.getHistorySize();
      }
    }
  }
;
  return console;
}

Fixed version (ground truth):
public static Console getConsole(final CommandContext ctx,InputStream is,OutputStream os,final Settings settings) throws CliInitializationException {
  org.jboss.aesh.console.Console aeshConsole=null;
  try {
    aeshConsole=new org.jboss.aesh.console.Console(settings);
  }
 catch (  Throwable e) {
    throw new CliInitializationException("String_Node_Str",e);
  }
  final org.jboss.aesh.console.Console finalAeshConsole=aeshConsole;
  Console console=new Console(){
    private CommandContext cmdCtx=ctx;
    private org.jboss.aesh.console.Console console=finalAeshConsole;
    private CommandHistory history=new HistoryImpl();
    private boolean controlled;
    @Override public void addCompleter(    final CommandLineCompleter completer){
      console.addCompletion(new Completion(){
        @Override public void complete(        CompleteOperation co){
          List<String> candidates=new ArrayList<>();
          int offset=completer.complete(cmdCtx,co.getBuffer(),co.getCursor(),candidates);
          co.setOffset(offset);
          co.setCompletionCandidates(candidates);
          String buffer=cmdCtx.getArgumentsString() == null ? co.getBuffer() : ctx.getArgumentsString() + co.getBuffer();
          if (co.getCompletionCandidates().size() == 1 && co.getCompletionCandidates().get(0).getCharacters().startsWith(buffer))           co.doAppendSeparator(true);
 else           co.doAppendSeparator(false);
        }
      }
);
    }
    @Override public boolean isUseHistory(){
      return !settings.isHistoryDisabled();
    }
    @Override public CommandHistory getHistory(){
      return history;
    }
    @Override public void setCompletion(    boolean complete){
      console.setCompletionEnabled(complete);
    }
    @Override public void clearScreen(){
      try {
        console.clear();
      }
 catch (      IOException e) {
        e.printStackTrace();
      }
    }
    @Override public void printColumns(    Collection<String> list){
      String[] newList=new String[list.size()];
      list.toArray(newList);
      console.getShell().out().println(Parser.formatDisplayList(newList,console.getTerminalSize().getHeight(),console.getTerminalSize().getWidth()));
    }
    @Override public void print(    String line){
      console.getShell().out().print(line);
    }
    @Override public void printNewLine(){
      console.getShell().out().println();
    }
    @Override public String readLine(    String prompt){
      return read(prompt,null);
    }
    @Override public String readLine(    String prompt,    Character mask){
      return read(prompt,mask);
    }
    private String read(    String prompt,    Character mask){
      int PID=-1;
      try {
        ConsoleCallback callback=console.getConsoleCallback();
        if (callback instanceof CommandContextImpl.CLIAeshConsoleCallback) {
          CommandContextImpl.CLIAeshConsoleCallback cliCallback=((CommandContextImpl.CLIAeshConsoleCallback)callback);
          if (cliCallback.hasActiveProcess()) {
            PID=cliCallback.getProcessPID();
            console.putProcessInBackground(PID);
          }
        }
        Prompt origPrompt=null;
        if (!console.getPrompt().getPromptAsString().equals(prompt)) {
          origPrompt=console.getPrompt();
          console.setPrompt(new Prompt(prompt,mask));
          redrawPrompt();
        }
        try {
          return console.getInputLine();
        }
 catch (        InterruptedException e) {
          e.printStackTrace();
        }
 finally {
          if (origPrompt != null) {
            console.setPrompt(origPrompt);
          }
        }
      }
  finally {
        if (PID != -1) {
          console.putProcessInForeground(PID);
        }
      }
      return null;
    }
    @Override public int getTerminalWidth(){
      return console.getTerminalSize().getWidth();
    }
    @Override public int getTerminalHeight(){
      return console.getTerminalSize().getHeight();
    }
    @Override public boolean isCompletionEnabled(){
      return settings.isCompletionDisabled();
    }
    @Override public void interrupt(){
    }
    @Override public void controlled(){
      console.controlled();
      controlled=true;
    }
    @Override public void continuous(){
      console.continuous();
      controlled=false;
    }
    @Override public boolean isControlled(){
      return controlled;
    }
    @Override public void setCallback(    ConsoleCallback consoleCallback){
      if (console != null)       console.setConsoleCallback(consoleCallback);
    }
    @Override public void start(){
      if (console != null)       console.start();
    }
    @Override public void stop(){
      if (console != null) {
        console.stop();
      }
    }
    @Override public boolean running(){
      return console != null && (console.isRunning() || console.hasRunningProcesses());
    }
    @Override public void setPrompt(    String prompt){
      setPrompt(prompt,null);
    }
    @Override public void setPrompt(    String prompt,    Character mask){
      if (!prompt.equals(console.getPrompt().getPromptAsString())) {
        console.setPrompt(new Prompt(prompt,mask));
      }
    }
    @Override public void redrawPrompt(){
      console.clearBufferAndDisplayPrompt();
    }
class HistoryImpl implements CommandHistory {
      @Override public List<String> asList(){
        return console.getHistory().getAll();
      }
      @Override public boolean isUseHistory(){
        return console.getHistory().isEnabled();
      }
      @Override public void setUseHistory(      boolean useHistory){
        if (useHistory) {
          console.getHistory().enable();
        }
 else {
          console.getHistory().disable();
        }
      }
      @Override public void clear(){
        console.getHistory().clear();
      }
      @Override public int getMaxSize(){
        return settings.getHistorySize();
      }
    }
  }
;
  return console;
}