Running command: "" <> buildModelFMU(OpenHPL.Tests.HPSimplePenstockControl,fileNamePrefix="OpenHPL_OpenHPL_Tests_HPSimplePenstockControl",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(OpenHPL): time 2.379/2.379, allocations: 258 MB / 271.8 MB, free: 13.63 MB / 234.7 MB Notification: Performance of FrontEnd - loaded program: time 4.596e-05/4.597e-05, allocations: 8 kB / 335.8 MB, free: 1.938 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1346/0.1347, allocations: 60.25 MB / 396.1 MB, free: 5.566 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.5308/0.6656, allocations: 99.67 MB / 495.7 MB, free: 260 kB / 394.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003368/0.666, allocations: 96.02 kB / 495.8 MB, free: 208 kB / 394.7 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 0.1077/0.7738, allocations: 20.48 MB / 0.5042 GB, free: 13.45 MB / 426.7 MB