Dear MadGraph Team, just for test purposes I tried to generate the following process: generate u d~ > e+ ve [virt=QCD] Everything went fine until I wanted to generate the events by the launch command. I work on the lxplus-system of the ATLAS collaboration. Here is the complete dialog: [ankirchh@lxplus082 MG5_aMC_v2_6_0]$ lsetup "gcc gcc620_x86_64_slc6" ************************************************************************ Requested: gcc ... Setting up gcc gcc620_x86_64_slc6 ... Skipping: gcc620 already setup. >>>>>>>>>>>>>>>>>>>>>>>>> Information for user <<<<<<<<<<<<<<<<<<<<<<<<< ************************************************************************ [ankirchh@lxplus082 MG5_aMC_v2_6_0]$ bin/mg5_aMC ************************************************************ * * * W E L C O M E to * * M A D G R A P H 5 _ a M C @ N L O * * * * * * * * * * * * * * * * * * * * 5 * * * * * * * * * * * * * * * * * * VERSION 2.6.0 2017-08-16 * * * * The MadGraph5_aMC@NLO Development Team - Find us at * * https://server06.fynu.ucl.ac.be/projects/madgraph * * and * * http://amcatnlo.web.cern.ch/amcatnlo/ * * * * Type 'help' for in-line help. * * Type 'tutorial' to learn how MG5 works * * Type 'tutorial aMCatNLO' to learn how aMC@NLO works * * Type 'tutorial MadLoop' to learn how MadLoop works * * * ************************************************************ load MG5 configuration from input/mg5_configuration.txt set collier to /afs/cern.ch/work/a/ankirchh/private/MadGraph/MG5_aMC_v2_6_0/HEPTools/collier fastjet-config does not seem to correspond to a valid fastjet-config executable (v3+). We will use fjcore instead. Please set the 'fastjet'variable to the full (absolute) /PATH/TO/fastjet-config (including fastjet-config). MG5_aMC> set fastjet /PATH/TO/fastjet-config lhapdf-config does not seem to correspond to a valid lhapdf-config executable. Please set the 'lhapdf' variable to the (absolute) /PATH/TO/lhapdf-config (including lhapdf-config). Note that you can still compile and run aMC@NLO with the built-in PDFs MG5_aMC> set lhapdf /PATH/TO/lhapdf-config set ninja to /afs/cern.ch/work/a/ankirchh/private/MadGraph/MG5_aMC_v2_6_0/HEPTools/lib Using default eps viewer "evince". Set another one in ./input/mg5_configuration.txt Using default web browser "firefox". Set another one in ./input/mg5_configuration.txt Loading default model: sm INFO: Restrict model sm with file models/sm/restrict_default.dat . INFO: Run "set stdout_level DEBUG" before import for more information. INFO: Change particles name to pass to MG5 convention Defined multiparticle p = g u c d s u~ c~ d~ s~ Defined multiparticle j = g u c d s u~ c~ d~ s~ Defined multiparticle l+ = e+ mu+ Defined multiparticle l- = e- mu- Defined multiparticle vl = ve vm vt Defined multiparticle vl~ = ve~ vm~ vt~ Defined multiparticle all = g u c d s u~ c~ d~ s~ a ve vm vt e- mu- ve~ vm~ vt~ e+ mu+ t b t~ b~ z w+ h w- ta- ta+ MG5_aMC>generate u d~ > e+ ve [virt=QCD] The current model sm does not allow to generate loop corrections of type ['QCD']. MG5_aMC now loads 'loop_sm'. import model loop_sm INFO: Restrict model loop_sm with file models/loop_sm/restrict_default.dat . INFO: Run "set stdout_level DEBUG" before import for more information. INFO: Change particles name to pass to MG5 convention Kept definitions of multiparticles l- / j / vl / l+ / p / vl~ unchanged Defined multiparticle all = g gh gh~ d u s c d~ u~ s~ c~ a ve vm vt e- mu- ve~ vm~ vt~ e+ mu+ b t b~ t~ z w+ h w- ta- ta+ INFO: Chosen coupling orders configuration: (QED=2,QCD=*) INFO: Contributing diagrams generated: 1 Born, 1 loops, 1 R2, 0 UV Process generated in 0.149 s MG5_aMC>output virt INFO: initialize a new standalone directory: virt INFO: Generating Helas calls for process: u d~ > e+ ve [ virt = QCD ] INFO: Processing color information for loop process: u d~ > e+ ve [ virt = QCD ] INFO: Processing color information for born process: u d~ > e+ ve [ virt = QCD ] INFO: Creating color matrix loop process: u d~ > e+ ve [ virt = QCD ] INFO: Creating files in directory /afs/cern.ch/work/a/ankirchh/private/MadGraph/MG5_aMC_v2_6_0/virt/SubProcesses/P0_udx_epve ALOHA: aloha creates FFV1 set of routines with options: L2,P0 INFO: Computing diagram color coefficients INFO: Drawing loop Feynman diagrams for Process: u d~ > e+ ve [ virt = QCD ] INFO: Generating born Feynman diagrams for Process: u d~ > e+ ve [ virt = QCD ] Generated helas calls for 1 subprocesses (2 diagrams) in 0.012 s Wrote files for 6 OPP calls in 0.829 s Export UFO model to MG4 format ALOHA: aloha creates FFV2 routines ALOHA: aloha creates FFV1 set of routines with options: L3 INFO: Use Fortran compiler gfortran INFO: Use c++ compiler g++ INFO: Running make for Helas INFO: Running make for Model Output to directory /afs/cern.ch/work/a/ankirchh/private/MadGraph/MG5_aMC_v2_6_0/virt done. MG5_aMC>launch -f Initializing process udx > epve. Error detected in "launch -f" write debug file MG5_debug If you need help with this issue please contact us on https://answers.launchpad.net/mg5amcnlo MadGraph5Error : A compilation Error occurs when trying to compile /afs/cern.ch/work/a/ankirchh/private/MadGraph/MG5_aMC_v2_6_0/virt/SubProcesses/P0_udx_epve. The compilation fails with the following output message: /cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/x86_64/Gcc/gcc620_x86_64_slc6/6.2.0/x86_64-slc6/bin/gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132 -c -o check_sa.o check_sa.f /cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/x86_64/Gcc/gcc620_x86_64_slc6/6.2.0/x86_64-slc6/bin/gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132 -c -o MadLoopParamReader.o MadLoopParamReader.f /cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/x86_64/Gcc/gcc620_x86_64_slc6/6.2.0/x86_64-slc6/bin/gfortran -O -w -fbounds-check -fPIC -ffixed-line-length-132 -c -o MadLoopCommons.o MadLoopCommons.f MadLoopCommons.f:41:9: USE COLLIER 1 Fatal Error: Can't open module file ‘collier.mod’ for reading at (1): No such file or directory compilation terminated. make: *** [MadLoopCommons.o] Error 1 Please try to fix this compilations issue and retry. Help might be found at https://answers.launchpad.net/mg5amcnlo. If you think that this is a bug, you can report this at https://bugs.launchpad.net/mg5amcnlo MG5_aMC> I hope you can help me. Best regards Andreas

When	Who	Action	New State
2017-11-08	Olivier Mattelaer	Answer	Answered
2017-11-08	Andreas Kirchhoff	Reopen	Open
2017-11-08	Andreas Kirchhoff	Give more information	Open
2018-03-18	Valentin Hirschi	Request for more information	Needs information
2018-03-27	Andreas Kirchhoff	Give more information	Open

MadGraph5_aMC@NLO

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