Welcome to Sherpa, Daniel Reichelt on ip3-cpu4.phyip3.dur.ac.uk. Initialization of framework underway ... Local time: Thu Apr 24 15:17:12 2025 Seed mode: '*' Memory limit: 502.838 GB Seed: 1187 ┌──────────────────────────────────────────────────────────────────────────────┐ │  ._ │ │  .-#. │ │  .--+@. . │ │  .----@@. +#- │ │  .-----+@@. +**@- SHERPA v3.1.x (Erebus) │ │  :- .-------@@@+***#@- │ │  :=#* .--------+@+*****@@- Monte Carlo event generator │ │  :===@* .----------+******#@@- │ │  :====#@*----------+********@@@- https://sherpa-team.gitlab.io │ │  :======@@*--------+*********#@@@- │ │ │ │ Authors: Enrico Bothmann, Lois Flower, Christian Gutschow, │ │ Stefan Hoeche, Mareen Hoppe, Joshua Isaacson, │ │ Max Knobbe, Frank Krauss, Peter Meinzinger, │ │ Davide Napoletano, Alan Price, Daniel Reichelt, │ │ Marek Schoenherr, Steffen Schumann, Frank Siegert │ │ Former Authors: Gurpreet Singh Chahal, Timo Fischer, Tanju Gleisberg, │ │ Hendrik Hoeth, Johannes Krause, Silvan Kuttimalai, │ │ Ralf Kuhn, Thomas Laubrich, Sebastian Liebschner, │ │ Andreas Schaelicke, Holger Schulz, Jan Winter │ │ │ │ Users are kindly asked to cite JHEP 12 (2024) 156. │ │ │ │ This program uses a lot of genuine and original research work by others. │ │ Users are encouraged to also cite the various original publications. │ │ │ └──────────────────────────────────────────────────────────────────────────────┘ WARNING: You are using an unsupported development branch. Git branch: fix-loop-mur-dependence Revision: 90f4b940a9567813fb3c9cea3c411e2907920ee4. Initializing hadron particle information ... Initializing beam spectra ... Type: Collider Setup Beam 1: P+ (enabled = 0, momentum = (6800,0,0,6800)) Beam 2: P+ (enabled = 0, momentum = (6800,0,0,-6800)) Initializing PDFs ... Hard scattering: PDF4LHC21_40_pdfas + PDF4LHC21_40_pdfas MPI: PDF4LHC21_40_pdfas + PDF4LHC21_40_pdfas Fixed electroweak parameters Input scheme: Gmu scheme, input: GF, m_W, m_Z, m_h, widths Ren. scheme: Gmu Parameters: sin^2(\theta_W) = 0.223043 - 0.00110541 i vev = 246.22 Set \alpha according to EW scheme 1/\alpha(0) = 137.036 1/\alpha(def) = 132.12 Particle data: ┌─────────────────────────────────────────────────────────────────────────────────────────┐ │ Name Kf-code Mass Width Stable Massive Active Yukawa │ ├─────────────────────────────────────────────────────────────────────────────────────────┤ │ d 1 0.01 0 1 0 1 0 │ │ u 2 0.005 0 1 0 1 0 │ │ s 3 0.2 0 1 0 1 0 │ │ c 4 1.42 0 1 0 1 0 │ │ b 5 4.92 0 1 0 1 0 │ │ t 6 172.5 1.32 0 1 1 172.5 │ │ e- 11 0.000511 0 1 0 1 0 │ │ ve 12 0 0 1 0 1 0 │ │ mu- 13 0.105 0 1 0 1 0 │ │ vmu 14 0 0 1 0 1 0 │ │ tau- 15 1.777 2.26735e-12 0 0 1 0 │ │ vtau 16 0 0 1 0 1 0 │ │ G 21 0 0 1 0 1 0 │ │ P 22 0 0 1 0 1 0 │ │ Z 23 91.1876 2.4952 0 1 1 91.1876 │ │ W+ 24 80.379 2.085 0 1 1 80.379 │ │ h0 25 125 0 0 1 1 125 │ │ Instanton 999 0 0 0 0 1 0 │ └─────────────────────────────────────────────────────────────────────────────────────────┘ Particle containers: ┌─────────────────────────────────────────────────────────────────────────────────────────┐ │ Name Kf-code Constituents │ ├─────────────────────────────────────────────────────────────────────────────────────────┤ │ l 90 e-, e+, mu-, mu+, tau-, tau+ │ │ v 91 ve, veb, vmu, vmub, vtau, vtaub │ │ f 92 d, db, u, ub, s, sb, c, cb, b, bb, e-, e+, mu-, mu+, │ │ tau-, tau+, ve, veb, vmu, vmub, vtau, vtaub │ │ j 93 d, db, u, ub, s, sb, c, cb, b, bb, G │ │ Q 94 d, db, u, ub, s, sb, c, cb, b, bb │ │ ewj 98 d, db, u, ub, s, sb, c, cb, b, bb, G, P │ └─────────────────────────────────────────────────────────────────────────────────────────┘ Reading in parameters for P+ yields: Primordial k_T Form = None Primordial k_T Recoil = Beam_vs_Shower Matter Form = Single_Gaussian BEAM_SPECTATOR_KTEXPO = 5 BEAM_SPECTATOR_KTMAX = 1 BEAM_SPECTATOR_MEAN = 0 BEAM_SPECTATOR_Q2 = 0.77 BEAM_SPECTATOR_SIGMA = 0.25 ENERGY_SCALING_EXPO = 0.08 MATTER_FRACTION_1 = 1 MATTER_RADIUS_1 = 0.86 MATTER_RADIUS_2 = 0 REFERENCE_ENERGY = 7000 SHOWER_INITIATOR_KTEXPO = 5.12 SHOWER_INITIATOR_KTMAX = 2.7 SHOWER_INITIATOR_MEAN = 1 SHOWER_INITIATOR_Q2 = 0.77 SHOWER_INITIATOR_SIGMA = 1.1 Initializing primordial transverse momentum ... Initializing remnants ... Hard process: P+ (Hadron) + P+ (Hadron) Initializing showers ... Initializing matrix elements for the hard processes ... Initializing Comix ... Massive PS flavours for Comix: (c,cb,b,bb,e-,e+,mu-,mu+,tau-,tau+) Massive PS flavours for Amegic: (c,cb,b,bb,e-,e+,mu-,mu+,tau-,tau+) Massive PS flavours for Internal: (c,cb,b,bb,e-,e+,mu-,mu+,tau-,tau+) Building processes (3 ME generators, 1 process blocks) ... Setting up processes ME_Generators::LoadGenerator(): Try loading 'OpenLoops' from 'libSherpaOpenLoops'. Initialising OpenLoops generator from /mt/home/dreichelt/hepsoftware/src/OpenLoops/. #################################################################### # ___ ___ ____ _ _ __ __ ___ __ ___ # # / \ |__| |__ |\ | | / \ / \ |__| /__ __/ # # \___/ | |___ | \| |__ \__/ \__/ | __/ /__ # # You are using OpenLoops 2 to evaluate loop amplitudes # # F. Buccioni, J.-N. Lang, J. Lindert, P. Maierhoefer, # # S. Pozzorini, M. Zoller, H. Zhang # # Eur.Phys.J. C79 (2019) no.10, 866 # # arXiv:1907.13071 # #################################################################### ......................................................................................................................................................................................................................................................................................................................................................... done (261 MB, 13s/12s) Performing tests .. Amplitude::GaugeTest(): Large deviation { 5.90243151614e-21 vs 5.90243151616e-21 => -3.01958458238e-12 } .... Amplitude::GaugeTest(): Large deviation { 4.77556215823e-21 vs 4.77556215817e-21 => 1.2723821996e-11 } ............. Amplitude::GaugeTest(): Large deviation { 8.54499824434e-21 vs 8.54499824441e-21 => -7.75934871911e-12 } .. Amplitude::GaugeTest(): Large deviation { 1.86465963201e-21 vs 1.864659632e-21 => 5.2930992922e-12 } ...................... Amplitude::GaugeTest(): Large deviation { 8.8876248091e-22 vs 8.88762480904e-22 => 6.03628258489e-12 } ... Amplitude::GaugeTest(): Large deviation { 2.05636553101e-20 vs 2.05636553103e-20 => -7.34956540072e-12 } .......WARNING: last allowed error message from 'GaugeTest'  Amplitude::GaugeTest(): Large deviation { 2.0388923059e-22 vs 2.0388923059e-22 => -2.24320562126e-12 } ................................................................................... done (261 MB, 0s/0s) Initializing scales........................................................................ done (265 MB, 0s/0s) Initializing the beam remnants ... Multiple interactions initialized id = 2, name = None, type = 0 Underlying event/multiple interactions initialized MI[2]: on = 0 (type = 0, None) Initialized fragmentation Initialized soft photons Initialized on-the-fly reweighting Read in channels from directory: Results/Amegic/MC_2_3__j__j__h0__j__j__QCD(BVI) Calculating xs for '2_3__j__j__h0__j__j__QCD(BVI)' (Amegic+OpenLoops) ... 2_3__j__j__h0__j__j__QCD(BVI) : 5.96100664476 pb +- ( 0.0634172095454 pb = 1.06386745268 % )  exp. eff: 0.104225558705 % Read in channels from directory: Results/Comix/MC_2_4__j__j__h0__j__j__j__QCD(RS) Calculating xs for '2_4__j__j__h0__j__j__j__QCD(RS)' (Comix) ... 2_4__j__j__h0__j__j__j__QCD(RS) : 0.156547087194 pb +- ( 0.0550446800857 pb = 35.1617401973 % )  exp. eff: 0.000272710578471 % reduce max for 2_3__j__j__h0__j__j__QCD(BVI) to 0.39657075534 ( eps = 0.001 -> exp. eff 0.00262817056735 ) reduce max for 2_4__j__j__h0__j__j__j__QCD(RS) to 0.456062791903 ( eps = 0.001 -> exp. eff 5.97967173191e-06 ) ┌──────────────────────────────────────────────────────────────────────────────┐ │ SHERPA generates events with the following structure: │ │ Event generation Weighted │ │ Perturbative Signal_Processes │ │ Perturbative Minimum_Bias: None │ │ Perturbative Hard_Decays │ │ Perturbative Jet_Evolution:CSS │ │ Perturbative Lepton_FS_QED_Corrections:Photons │ │ Perturbative Multiple_Interactions: None │ │ Hadronization Beam_Remnants:Parametrised │ │ Hadronization Hadronization: None │ │ Hadronization Hadron_Decays │ │ Userhook None │ │ Analysis Rivet │ │ Reweighting 6 variations │ └──────────────────────────────────────────────────────────────────────────────┘ Event 1 ( 1s elapsed / 14d 11h 13m 18s left ) -> ETA: Fri May 09 02:30 XS = 0.0158438076862 pb +- ( 0.0158438076862 pb = 100 % ) Event 2 ( 1s elapsed / 7d 6h 59m 58s left ) -> ETA: Thu May 01 22:17 XS = 0.0105625497322 pb +- ( 0.0105625328202 pb = 99 % ) Event 3 ( 1s elapsed / 4d 21h 35m 32s left ) -> ETA: Tue Apr 29 12:52 XS = 0.00805951014528 pb +- ( 0.00787710333575 pb = 97 % ) Event 4 ( 1s elapsed / 3d 16h 11m 38s left ) -> ETA: Mon Apr 28 07:29 XS = 2.23130340499 pb +- ( 2.22325226756 pb = 99 % ) Event 5 ( 1s elapsed / 2d 22h 33m 18s left ) -> ETA: Sun Apr 27 13:50 XS = 2.95379520489 pb +- ( 1.95377280266 pb = 66 % ) Event 6 ( 1s elapsed / 2d 11h 15m 32s left ) -> ETA: Sun Apr 27 02:32 XS = 56.7588076752 pb +- ( 53.8303442165 pb = 94 % ) Event 7 ( 1s elapsed / 2d 3h 11m 24s left ) -> ETA: Sat Apr 26 18:28 XS = 44.1457393029 pb +- ( 41.9515211798 pb = 95 % ) Event 8 ( 1s elapsed / 1d 20h 47m 28s left ) -> ETA: Sat Apr 26 12:04 XS = 45.9984178341 pb +- ( 37.5682914328 pb = 81 % ) Event 9 ( 1s elapsed / 1d 16h 7m 23s left ) -> ETA: Sat Apr 26 07:24 XS = 41.8166497364 pb +- ( 34.2381336036 pb = 81 % ) Event 10 ( 1s elapsed / 1d 12h 6m 38s left ) -> ETA: Sat Apr 26 03:24 XS = 38.3319306543 pb +- ( 31.4486580683 pb = 82 % ) Event 20 ( 1s elapsed / 18h 44m 58s left ) -> ETA: Fri Apr 25 10:02 XS = 20.9265758369 pb +- ( 17.317273557 pb = 82 % ) Event 30 ( 1s elapsed / 12h 57m 45s left ) -> ETA: Fri Apr 25 04:15 XS = 150.538561918 pb +- ( 139.156082272 pb = 92 % ) Event 40 ( 1s elapsed / 10h 4m 8s left ) -> ETA: Fri Apr 25 01:21 XS = 114.68882556 pb +- ( 106.092653786 pb = 92 % ) Event 50 ( 1s elapsed / 8h 19m 58s left ) -> ETA: Thu Apr 24 23:37 XS = 96.5862983516 pb +- ( 85.6908661418 pb = 88 % ) Event 60 ( 1s elapsed / 7h 7m 45s left ) -> ETA: Thu Apr 24 22:25 XS = 80.8029117623 pb +- ( 71.9048189301 pb = 88 % ) Event 70 ( 1s elapsed / 6h 16m 9s left ) -> ETA: Thu Apr 24 21:33 XS = 69.8258182585 pb +- ( 61.0805599797 pb = 87 % ) Event 80 ( 1s elapsed / 5h 37m 28s left ) -> ETA: Thu Apr 24 20:54 XS = 59.9941679424 pb +- ( 52.4728208172 pb = 87 % ) Event 90 ( 1s elapsed / 5h 7m 22s left ) -> ETA: Thu Apr 24 20:24 XS = 53.096729942 pb +- ( 46.4703152966 pb = 87 % ) Event 100 ( 1s elapsed / 4h 44m 58s left ) -> ETA: Thu Apr 24 20:02 XS = 48.0885713605 pb +- ( 42.0926904267 pb = 87 % ) Event 200 ( 2s elapsed / 3h 47s left ) -> ETA: Thu Apr 24 18:18 XS = 27.390445938 pb +- ( 20.8950952198 pb = 76 % ) Event 300 ( 2s elapsed / 2h 24m 24s left ) -> ETA: Thu Apr 24 17:41 XS = 21.6389748896 pb +- ( 14.3417754347 pb = 66 % ) Event 400 ( 2s elapsed / 2h 4m 32s left ) -> ETA: Thu Apr 24 17:22 XS = 17.5784204098 pb +- ( 10.7955433285 pb = 61 % ) Event 500 ( 3s elapsed / 1h 52m 36s left ) -> ETA: Thu Apr 24 17:10 XS = 16.02827692 pb +- ( 8.66177473382 pb = 54 % ) Event 600 ( 3s elapsed / 1h 46m 2s left ) -> ETA: Thu Apr 24 17:03 XS = 13.6672449694 pb +- ( 7.21189265326 pb = 52 % ) Event 700 ( 4s elapsed / 1h 41m 21s left ) -> ETA: Thu Apr 24 16:58 XS = 12.2321554869 pb +- ( 6.19941717593 pb = 50 % ) Event 800 ( 4s elapsed / 1h 36m 47s left ) -> ETA: Thu Apr 24 16:54 XS = 12.743861845 pb +- ( 5.60513716644 pb = 43 % ) Event 900 ( 5s elapsed / 1h 34m 43s left ) -> ETA: Thu Apr 24 16:52 XS = 12.4365357221 pb +- ( 4.99573539873 pb = 40 % ) Event 1000 ( 5s elapsed / 1h 32m 24s left ) -> ETA: Thu Apr 24 16:49 XS = 12.4322975449 pb +- ( 4.56734925371 pb = 36 % ) Event 2000 ( 9s elapsed / 1h 22m 15s left ) -> ETA: Thu Apr 24 16:39 XS = 10.5852368188 pb +- ( 2.45863800503 pb = 23 % ) Event 3000 ( 14s elapsed / 1h 18m 12s left ) -> ETA: Thu Apr 24 16:35 XS = 9.63879793815 pb +- ( 2.09150367746 pb = 21 % ) Event 4000 ( 18s elapsed / 1h 16m 44s left ) -> ETA: Thu Apr 24 16:34 XS = 8.86516740025 pb +- ( 1.61737023003 pb = 18 % ) Event 5000 ( 22s elapsed / 1h 15m 9s left ) -> ETA: Thu Apr 24 16:32 XS = 9.54011831227 pb +- ( 1.69582005438 pb = 17 % ) Event 6000 ( 26s elapsed / 1h 14m 29s left ) -> ETA: Thu Apr 24 16:32 XS = 9.45450882875 pb +- ( 1.44302471552 pb = 15 % ) Event 7000 ( 31s elapsed / 1h 13m 45s left ) -> ETA: Thu Apr 24 16:31 XS = 8.69970580465 pb +- ( 1.25979925447 pb = 14 % ) Event 8000 ( 35s elapsed / 1h 13m 10s left ) -> ETA: Thu Apr 24 16:31 XS = 9.19510984161 pb +- ( 1.22778346559 pb = 13 % ) Event 9000 ( 39s elapsed / 1h 12m 40s left ) -> ETA: Thu Apr 24 16:30 XS = 10.0060874208 pb +- ( 1.55105340819 pb = 15 % ) Event 10000 ( 43s elapsed / 1h 12m 28s left ) -> ETA: Thu Apr 24 16:30 XS = 9.64606042196 pb +- ( 1.40386353487 pb = 14 % ) Blob_List::FourMomentumConservation throws four momentum error for Shower : (0.588651447654,0.0285389242706,-0.0503859075011,-0.794594736811) (1) Event 20000 ( 1m 26s elapsed / 1h 10m 22s left ) -> ETA: Thu Apr 24 16:29 XS = 5.9666677449 pb +- ( 2.99329899625 pb = 50 % ) Event 30000 ( 2m 8s elapsed / 1h 9m 13s left ) -> ETA: Thu Apr 24 16:28 XS = 5.89521657073 pb +- ( 2.01741128116 pb = 34 % ) Event 40000 ( 2m 50s elapsed / 1h 8m 8s left ) -> ETA: Thu Apr 24 16:28 XS = 5.95422658979 pb +- ( 1.52678030871 pb = 25 % ) Event 50000 ( 3m 32s elapsed / 1h 7m 21s left ) -> ETA: Thu Apr 24 16:28 XS = 5.92649053687 pb +- ( 1.2455809629 pb = 21 % ) Event 60000 ( 4m 14s elapsed / 1h 6m 31s left ) -> ETA: Thu Apr 24 16:28 XS = 6.04683115122 pb +- ( 1.04589362554 pb = 17 % ) Event 70000 ( 4m 56s elapsed / 1h 5m 41s left ) -> ETA: Thu Apr 24 16:28 XS = 6.16737116244 pb +- ( 0.90415340936 pb = 14 % ) Event 80000 ( 5m 38s elapsed / 1h 4m 57s left ) -> ETA: Thu Apr 24 16:28 XS = 6.25733823079 pb +- ( 0.796333206743 pb = 12 % ) Event 90000 ( 6m 21s elapsed / 1h 4m 18s left ) -> ETA: Thu Apr 24 16:28 XS = 5.93035276806 pb +- ( 0.845142173043 pb = 14 % ) Event 100000 ( 7m 3s elapsed / 1h 3m 34s left ) -> ETA: Thu Apr 24 16:28 XS = 5.85501281113 pb +- ( 0.771216877719 pb = 13 % ) Event_Handler::GenerateStandardPerturbativeEvent:("Invalid weight w=nan. Rejecting event.") Event_Handler::GenerateStandardPerturbativeEvent:("Invalid weight w=nan. Rejecting event.") Event_Handler::GenerateStandardPerturbativeEvent:("Invalid weight w=nan. Rejecting event.") Event 200000 ( 14m 6s elapsed / 56m 27s left ) -> ETA: Thu Apr 24 16:27 XS = 6.30796983374 pb +- ( 0.418399485571 pb = 6 % ) Event_Handler::GenerateStandardPerturbativeEvent:("Invalid weight w=nan. Rejecting event.") Event 300000 ( 21m 13s elapsed / 49m 32s left ) -> ETA: Thu Apr 24 16:28 XS = 6.20657320704 pb +- ( 0.303275518849 pb = 4 % ) Event 400000 ( 28m 20s elapsed / 42m 30s left ) -> ETA: Thu Apr 24 16:28  Memory usage increased by 18 MB, now 325 MB.  This might indicate a memory leak! Please monitor this process closely. XS = 6.28879648214 pb +- ( 0.257053289113 pb = 4 % ) Event 500000 ( 35m 27s elapsed / 35m 27s left ) -> ETA: Thu Apr 24 16:28 XS = 6.20903137997 pb +- ( 0.218616894144 pb = 3 % ) Event_Handler::GenerateStandardPerturbativeEvent:("Invalid weight w=nan. Rejecting event.") Event 600000 ( 42m 31s elapsed / 28m 21s left ) -> ETA: Thu Apr 24 16:28 XS = 6.31434796187 pb +- ( 0.244299865825 pb = 3 % ) Event 700000 ( 49m 36s elapsed / 21m 15s left ) -> ETA: Thu Apr 24 16:28 XS = 6.14141040873 pb +- ( 0.267196607667 pb = 4 % ) Event_Handler::GenerateStandardPerturbativeEvent:("Invalid weight w=nan. Rejecting event.") Event 800000 ( 56m 42s elapsed / 14m 10s left ) -> ETA: Thu Apr 24 16:28 XS = 6.1143664646 pb +- ( 0.245463355848 pb = 4 % ) Event_Handler::GenerateStandardPerturbativeEvent:("Invalid weight w=nan. Rejecting event.") Event 900000 ( 1h 3m 42s elapsed / 7m 4s left ) -> ETA: Thu Apr 24 16:28 XS = 6.09233467126 pb +- ( 0.225097131738 pb = 3 % ) Event 1000000 ( 4224 s total ) = 20454061.2201 evts/day Summarizing the run may take some time ... ┌────────────────────────────────────────────────────────────────────────────┐ │ Nominal or variation name XS [pb] RelDev AbsErr [pb] RelErr │ ├────────────────────────────────────────────────────────────────────────────┤ │ Nominal  6.09824 0 % 0.206031 3.37 % │ │ ME & PS: MUF=0.5  5.91096 -3.07 % 0.214366 3.62 % │ │ ME & PS: MUF=2  6.17896 1.32 % 0.193978 3.13 % │ │ ME & PS: MUR=0.5  6.33939 3.95 % 0.217089 3.42 % │ │ ME & PS: MUR=0.5 MUF=0.5  6.02721 -1.16 % 0.253251 4.2 % │ │ ME & PS: MUR=2  6.13847 0.65 % 0.172968 2.81 % │ │ ME & PS: MUR=2 MUF=2  6.19784 1.63 % 0.16764 2.7 % │ │ ME-only: MUF=0.5  6.02293 -1.23 % 0.208808 3.46 % │ │ ME-only: MUF=2  6.12584 0.45 % 0.20794 3.39 % │ │ ME-only: MUR=0.5  6.10127 0.04 % 0.232118 3.8 % │ │ ME-only: MUR=0.5 MUF=0.5  6.04977 -0.79 % 0.232832 3.84 % │ │ ME-only: MUR=2  6.04528 -0.86 % 0.189047 3.12 % │ │ ME-only: MUR=2 MUF=2  6.09388 -0.07 % 0.188852 3.09 % │ └────────────────────────────────────────────────────────────────────────────┘ Event generation statistics: Generated events: 1000000 New events: From "Beam_Remnants:Parametrised": 775 (1000782) -> 0 % From "Jet_Evolution:CSS": 2412 (1003194) -> 0.2 % Reweighting statistics: MCatNLO different PDF cut-off: 7154588 MCatNLO large PDF reweighting factor: 89372 MCatNLOvetoed large reweighting factor for parton: 172 different PDF cut-off: 26630504 large AlphaS reweighting factor: 2505257 large PDF reweighting factor: 1243674 vetoed large reweighting factor for parton: 10 Momentum fail statistics: Shower : 1 fails Error messages from 'GaugeTest' exceeded frequency limit: 102/20 Perturbative Interface (Matrix Elements): momentum failures: 134 amplitude failures: 2277 WARNING: You are using an unsupported development branch. ┌──────────────────────────────────────────────────────────┐ │ Please cite the publications listed in 'References.tex'. │ └──────────────────────────────────────────────────────────┘ Time: 1h 10m 38s on Thu Apr 24 16:27:50 2025 (User: 1h 9m 49s, System: 3s, Children User: 0s, Children System: 0s)