Environment variable "G4FORCE_RUN_MANAGER_TYPE" enabled with value == Serial. Forcing G4RunManager type...

        ############################################
        !!! WARNING - FPE detection is activated !!!
        ############################################


          ################################
          !!! G4Backtrace is activated !!!
          ################################


**************************************************************
 Geant4 version Name: geant4-11-04-patch-01    (13-March-2026)
                       Copyright : Geant4 Collaboration
                      References : NIM A 506 (2003), 250-303
                                 : IEEE-TNS 53 (2006), 270-278
                                 : NIM A 835 (2016), 186-225
                             WWW : http://geant4.org/
**************************************************************

### Run 0 starts.

-------- WWWW ------- G4Exception-START -------- WWWW -------
*** G4Exception : Analysis_W001
      issued by : G4RootNtupleFileManager::SetNtupleMergingMode
Merging ntuples is not applicable in sequential application.
Setting was ignored.
*** This is just a warning message. ***
-------- WWWW -------- G4Exception-END --------- WWWW -------

... set ntuple merging row mode : row-wise - done
... create file : exgps.root - done
... open analysis file : exgps.root - done
... open analysis file : exgps.root - done
--> Event 0 starts.
--> Event 10000 starts.
--> Event 20000 starts.
--> Event 30000 starts.
--> Event 40000 starts.
--> Event 50000 starts.
--> Event 60000 starts.
--> Event 70000 starts.
--> Event 80000 starts.
--> Event 90000 starts.
... write file : exgps.root - done
... close file : exgps.root - done