anchor.diff:                      {error, Reason}
               end;
           false ->
  -            case clocksi_execute_tx(Clock, Operations, StayAlive) of
  +            case clocksi_execute_tx(Clock, Operations, update_clock, StayAlive) of
                   {ok, {_TxId, [], CommitTime}} ->
                       {ok, CommitTime};
                   {error, Reason} -> {error, Reason}
  
positive.code:         false ->
              case application:get_env(antidote, txn_prot) of
                  {ok, clocksi} ->
                      case clocksi_execute_tx(Clock, Args, StayAlive) of
                          {ok, {_TxId, Result, CommitTime}} ->
                              {ok, Result, CommitTime};
                          {error, Reason} -> {error, Reason}
  
negative.code:                 {ok, gr} ->
                      case Args of
                          [_Op] -> %% Single object read = read latest value
                              case clocksi_execute_tx(Clock, Args, update_clock, StayAlive) of
                                  {ok, {_TxId, Result, CommitTime}} ->
                                      {ok, Result, CommitTime};
                                  {error, Reason} -> {error, Reason}
  