Running command: "" <> buildModelFMU(OpenHPL.Tests.HPElasticKPPenstockCompres,fileNamePrefix="OpenHPL_OpenHPL_Tests_HPElasticKPPenstockCompres",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(OpenHPL): time 2.623/2.623, allocations: 257 MB / 269.1 MB, free: 11.77 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 4.276e-05/4.282e-05, allocations: 8 kB / 332.1 MB, free: 12.68 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.397/0.3971, allocations: 59.96 MB / 392.1 MB, free: 4.504 MB / 314.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1877/0.5849, allocations: 102.5 MB / 494.6 MB, free: 13.84 MB / 426.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003289/0.5852, allocations: 91.95 kB / 494.7 MB, free: 13.75 MB / 426.7 MB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/OpenHPL 1.1.1/Tests/HPElasticKPPenstockCompres.mo:41:3-42:97:writable] Error: Failed to instantiate equation connect(discharge.n, tail.n);. Error: Error occurred while flattening model OpenHPL.Tests.HPElasticKPPenstockCompres Notification: Performance of FrontEnd: time 0.9397/1.525, allocations: 103.8 MB / 0.5845 GB, free: 86.59 MB / 458.7 MB