Running command: translateModel(Modelica.Mechanics.MultiBody.Examples.Elementary.RollingWheelSetPulling,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.1_cpp_Modelica.Mechanics.MultiBody.Examples.Elementary.RollingWheelSetPulling") Notification: Performance of loadModel(Modelica): time 1.227/1.227, allocations: 111.1 MB / 126.3 MB, free: 6.406 MB / 106.7 MB Notification: Performance of FrontEnd - loaded program: time 3.272e-05/3.27e-05, allocations: 4 kB / 154.5 MB, free: 2.824 MB / 122.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.06211/0.06217, allocations: 25.18 MB / 179.7 MB, free: 9.605 MB / 154.7 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Elementary.RollingWheelSetPulling): time 0.2773/0.3395, allocations: 85.28 MB / 265 MB, free: 12.75 MB / 218.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.1/Mechanics/MultiBody/package.mo:1211:3-1215:15:writable] Error: Illegal access of protected element gravityAcceleration. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.1/Mechanics/MultiBody/Parts.mo:793:5-794:13:writable] Error: Function world.gravityAcceleration not found in scope Body. Notification: Performance of FrontEnd: time 0.02025/0.3598, allocations: 8.145 MB / 273.1 MB, free: 4.598 MB / 218.7 MB