Running command: translateModel(Modelica_LinearSystems2.Controller.Examples.InverseDoublePendulum,tolerance=1e-05,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_LinearSystems2_Modelica_LinearSystems2.Controller.Examples.InverseDoublePendulum") Notification: Performance of loadModel(Modelica_LinearSystems2): time 3.471/3.471, allocations: 241.2 MB / 248.7 MB, free: 164 kB / 202.7 MB Warning: Ignoring unknown experiment annotation option: __Dymola_NumberOfIntervals = 2000 Notification: Performance of FrontEnd - loaded program: time 2.618e-05/2.636e-05, allocations: 0 / 304.5 MB, free: 10.79 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1409/0.1409, allocations: 53.55 MB / 358.1 MB, free: 5.121 MB / 298.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.8818/1.023, allocations: 150.8 MB / 0.497 GB, free: 11.15 MB / 410.7 MB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica_LinearSystems2 2.3.4/package.mo:6:3-7:74:writable] Warning: classDirectory() is a non-standard operator that was replaced by Modelica.Utilities.Files.loadResource(uri) before it was added to the language specification. Notification: Performance of FrontEnd - mkProgramGraph: time 0.0007803/1.024, allocations: 110.2 kB / 0.4971 GB, free: 11.09 MB / 410.7 MB [/var/lib/hudson/slave/workspace/OpenModelica_TEST_LIBS/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica_LinearSystems2 2.3.4/Controller/MatrixGain.mo:21:3-21:97:writable] Error: Class readMatrixSize not found in scope Modelica_LinearSystems2.Controller.MatrixGain$feedbackMatrix (looking for a function or record). Error: Error occurred while flattening model Modelica_LinearSystems2.Controller.Examples.InverseDoublePendulum