Invalid arithmetic operation in OscarProducer

[civanch]

McM Run3 (12_4_11_patch1) validation jobs failing with the following log:

Begin processing the 52nd record. Run 1, Event 52, LumiSection 1 on stream 0 at 21-
Nov-2022 12:06:39.435 CET
%MSG-w SimG4CoreApplication: (NoModuleName) 21-Nov-2022 12:06:44 CET
pre-events -------- WWWW ------- G4Exception-START -------- WWWW -------
*** G4Exception : DECAY102 issued by : G4Decay::DecayIt Total Energy is less than its mass - increased the energy Particle: mu+ Energy:105.658[MeV] Mass:105.658[MeV] TrackID=81173 ParentID=81121 mu+;
Ekin(MeV)=-7.10543e-14; time(ns)=313.229; status=1
position(mm): (885.202,-0.102976,11412); direction: (0.331685,-0.0787265,0.940099) PhysicalVolume: hcalforwardalgo:HVQX_1; material: hcalforwardmaterial:HFAbsorber
stepNumber=1; stepLength(mm)=0; weight=1; creatorProcess: Decay; modelID=-1 *** This is just a warning message.
*** -------- WWWW -------- G4Exception-END --------- WWWW ------- %MSG
%MSG-w SensitiveDetector: (NoModuleName) 21-Nov-2022 12:06:44 CET
pre-events NaN detected for trackID= 81173 inside hcalforwardalgo:HVQX_1 %MSG
%MSG-w SimG4CoreApplication: (NoModuleName) 21-Nov-2022 12:06:44 CET
pre-events -------- EEEE ------- G4Exception-START -------- EEEE -------
*** G4Exception : sd01 issued by : SensitiveDetector::NaNTrap() corrupted event or step
TrackID=81173 ParentID=81121 mu+;
Ekin(MeV)=-7.10543e-14; time(ns)=1855.2; status=2
position(mm): (885.202,-0.102976,11412); direction: (0.331685,-0.0787265,0.940099) PhysicalVolume: hcalforwardalgo:HVQX_1; material: hcalforwardmaterial:HFAbsorber stepNumber=1; stepLength(mm)=0; weight=1; creatorProcess: Decay; modelID=-1
-------- EEEE -------- G4Exception-END --------- EEEE ------- %MSG -----
Begin Fatal Exception 21-Nov-2022 12:06:44 CET-----------------------
An exception of category 'Geant4 fatal exception' occurred while [0] Processing Event run: 1 lumi: 1 event: 52 stream: 0 [1] Running path 'RAWSIMoutput_step' [2] Prefetching for module PoolOutputModule/'RAWSIMoutput' [3] Calling method for module OscarMTProducer/'g4SimHits'
----- End Fatal Exception -------------------------------------------------

[cmsbuild]

A new Issue was created by @civanch Vladimir Ivantchenko.

@Dr15Jones, @perrotta, @dpiparo, @rappoccio, @makortel, @smuzaffar can you please review it and eventually sign/assign? Thanks.

cms-bot commands are listed here

[civanch]

assign simulation

[cmsbuild]

New categories assigned: simulation

@mdhildreth,@civanch you have been requested to review this Pull request/Issue and eventually sign? Thanks

[Dr15Jones]

@civanch could you re-edit the description and use the triple single quotes to keep the original format?

[civanch]

There is warning printout for the case if a small negative energy is observed. So far cannot reproduce this for Run3, so the issue remains not understood. The protection should work.