Running command: "" <> buildModelFMU(OpenHPL.Tests.HPSimplePenstockControl,fileNamePrefix="OpenHPL_OpenHPL_Tests_HPSimplePenstockControl",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(OpenHPL): time 2.546/2.546, allocations: 257 MB / 269.1 MB, free: 11.76 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 4.007e-05/4.012e-05, allocations: 8 kB / 332.1 MB, free: 12.67 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4786/0.4786, allocations: 59.97 MB / 392.1 MB, free: 4.582 MB / 314.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1792/0.6579, allocations: 99.53 MB / 491.6 MB, free: 0.9102 MB / 410.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004143/0.6584, allocations: 91.89 kB / 491.7 MB, free: 0.8203 MB / 410.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPSimplePenstockControl.mo:50:3-51:61:writable] Error: Failed to instantiate equation connect(discharge.n, tail.n);. Error: Error occurred while flattening model OpenHPL.Tests.HPSimplePenstockControl Notification: Performance of FrontEnd: time 0.1436/0.802, allocations: 20.36 MB / 0.5001 GB, free: 12.41 MB / 442.7 MB