message: Set reference tid
diff: @@ -449,6 +449,7 @@ void Executor::setupSuite()
  run_var.insert( vid );
  if ( getVariantName(vid) == run_params.getReferenceVariant() ) {
  reference_vid = vid;
  + reference_tid = 0;
  }
  }
  }
  @@ -458,6 +459,7 @@ void Executor::setupSuite()
  //
  if ( run_params.getReferenceVariant().empty() && !run_var.empty() ) {
  reference_vid = *run_var.begin();
  + reference_tid = 0;
  }
  } else {
  @@ -485,6 +487,7 @@ void Executor::setupSuite()
  run_var.insert(vid);
  if ( getVariantName(vid) == run_params.getReferenceVariant() ) {
  reference_vid = vid;
  + reference_tid = 0;
  }
  }
  found_it = true;
  @@ -499,6 +502,7 @@ void Executor::setupSuite()
  //
  if ( run_params.getReferenceVariant().empty() && !run_var.empty() ) {
  reference_vid = *run_var.begin();
  + reference_tid = 0;
  }
  run_params.setInvalidVariantInput(invalid);
  