Program: 61532
Project: 61532
Buggy source:
public ProgramVariantValidationResult saveAndExecuteEvoSuite(ProjectRepairFacade projectFacade,ProgramVariant variant,List<CtClass> ctclasses) throws Exception {
  String classpathForCompileSpoon="String_Node_Str";
  classpathForCompileSpoon=projectFacade.getProperties().getDependenciesString() + File.pathSeparator + projectFacade.getOutDirWithPrefix(variant.currentMutatorIdentifier())+ File.pathSeparator+ new File("String_Node_Str").getAbsolutePath()+ File.pathSeparator+ projectFacade.getOutDirWithPrefix(variant.DEFAULT_ORIGINAL_VARIANT);
  logger.info("String_Node_Str" + classpathForCompileSpoon);
  String[] classpathForCreateModel=classpathForCompileSpoon.split(File.pathSeparator);
  CompilationResult compilation=MutationSupporter.currentSupporter.getSpoonClassCompiler().compileOnMemory(ctclasses,Converters.toURLArray(classpathForCreateModel));
  if (!compilation.compiles() || compilation.getByteCodes().values().isEmpty()) {
    logger.error("String_Node_Str");
    return null;
  }
  logger.debug("String_Node_Str" + compilation.compiles());
  String outPutTest=projectFacade.getOutDirWithPrefix("String_Node_Str" + variant.currentMutatorIdentifier());
  File fbyteEvo=new File(outPutTest);
  logger.info("String_Node_Str" + fbyteEvo);
  MutationSupporter.currentSupporter.getSpoonClassCompiler().saveByteCode(compilation,fbyteEvo);
  List<String> testToExecute=new ArrayList<>();
  for (  CtClass evoTest : ctclasses) {
    if (!evoTest.getQualifiedName().endsWith(EVOSUITE_scaffolding_SUFFIX))     testToExecute.add(evoTest.getQualifiedName());
  }
  String classpathForRunTest=classpathForCompileSpoon + (File.pathSeparator) + outPutTest;
  logger.info("String_Node_Str" + classpathForRunTest);
  ProcessEvoSuiteValidator evoProcess=new ProcessEvoSuiteValidator();
  ProgramVariantValidationResult evoResult=evoProcess.executeRegressionTesting(Converters.toURLArray(classpathForRunTest.split(File.pathSeparator)),testToExecute);
  return evoResult;
}

Fixed version (ground truth):
public ProgramVariantValidationResult saveAndExecuteEvoSuite(ProjectRepairFacade projectFacade,ProgramVariant variant,List<CtClass> ctclasses) throws Exception {
  String classpathForCompileSpoon="String_Node_Str";
  classpathForCompileSpoon=projectFacade.getProperties().getDependenciesString() + File.pathSeparator + projectFacade.getOutDirWithPrefix(variant.currentMutatorIdentifier())+ File.pathSeparator+ new File(ConfigurationProperties.getProperty("String_Node_Str")).getAbsolutePath()+ File.pathSeparator+ projectFacade.getOutDirWithPrefix(variant.DEFAULT_ORIGINAL_VARIANT);
  logger.info("String_Node_Str" + classpathForCompileSpoon);
  String[] classpathForCreateModel=classpathForCompileSpoon.split(File.pathSeparator);
  CompilationResult compilation=MutationSupporter.currentSupporter.getSpoonClassCompiler().compileOnMemory(ctclasses,Converters.toURLArray(classpathForCreateModel));
  if (!compilation.compiles() || compilation.getByteCodes().values().isEmpty()) {
    logger.error("String_Node_Str");
    return null;
  }
  logger.debug("String_Node_Str" + compilation.compiles());
  String outPutTest=projectFacade.getOutDirWithPrefix("String_Node_Str" + variant.currentMutatorIdentifier());
  File fbyteEvo=new File(outPutTest);
  logger.info("String_Node_Str" + fbyteEvo);
  MutationSupporter.currentSupporter.getSpoonClassCompiler().saveByteCode(compilation,fbyteEvo);
  List<String> testToExecute=new ArrayList<>();
  for (  CtClass evoTest : ctclasses) {
    if (!evoTest.getQualifiedName().endsWith(EVOSUITE_scaffolding_SUFFIX))     testToExecute.add(evoTest.getQualifiedName());
  }
  String classpathForRunTest=classpathForCompileSpoon + (File.pathSeparator) + outPutTest;
  logger.info("String_Node_Str" + classpathForRunTest);
  ProcessEvoSuiteValidator evoProcess=new ProcessEvoSuiteValidator();
  ProgramVariantValidationResult evoResult=evoProcess.executeRegressionTesting(Converters.toURLArray(classpathForRunTest.split(File.pathSeparator)),testToExecute);
  return evoResult;
}