(cd run_OMSimulator-cs-euler && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --resultFile=../ModelicaTest_trunk_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_FixedInitial_OMSimulator-cs-euler_res.mat --stripRoot --tempDir=temp_ModelicaTest_trunk_ModelicaTest_Fluid_TestExamplesVariants_HeatingSystem_FixedInitial_OMSimulator-cs-euler_fmu --startTime=0 --stopTime=6000 --stepSize=1.19904 --mode=cs --timeout=240 --tolerance=1e-06 ../ModelicaTest_trunk_ModelicaTest_Fluid_TestExamplesVariants_HeatingSystem_FixedInitial_OMSimulator-cs-euler.fmu)
info: *** FMU Simulation Info ***
     - model     : ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_FixedInitial (co-simulation)
     - fmiVersion: 2.0
     - startTime : 0.000000
     - stopTime  : 6000.000000
     - tolerance : 1e-06
     - stepSize  : 1.19904
error:   [fmi2logger] [fmi2Error] HeatingSystem_FixedInitial/logStatusError: /home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Utilities.mo:614: regFun3(): Derivatives at data points do not allow co-monotone interpolation, as both are non-zero, of opposite sign and have an absolute value larger than machine eps (y0d = 0.000271073, y1d = -0.01086). Please correct arguments.
error:   [fmi2logger] [fmi2Error] HeatingSystem_FixedInitial/logFmi2Call: fmi2ExitInitializationMode: terminated by an assertion.
error:   [initialize] fmi2_exitInitializationMode failed for FMU "HeatingSystem_FixedInitial.root.HeatingSystem_FixedInitial"
error:   [initialize] Initialization of system "HeatingSystem_FixedInitial.root" failed
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/home/hudson/saved_omc/OMSimulator/install/lib/x86_64-linux-gnu/OMSimulator/__main__.py", line 38, in <module>
    sys.exit(main())
             ~~~~^^
  File "/home/hudson/saved_omc/OMSimulator/install/lib/x86_64-linux-gnu/OMSimulator/cli.py", line 309, in main
    handler(args.model, args)
    ~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/home/hudson/saved_omc/OMSimulator/install/lib/x86_64-linux-gnu/OMSimulator/cli.py", line 175, in _runFMU
    fmu.initialize()
    ~~~~~~~~~~~~~~^^
  File "/home/hudson/saved_omc/OMSimulator/install/lib/x86_64-linux-gnu/OMSimulator/fmu.py", line 887, in initialize
    raise RuntimeError(f"Failed to initialize model: {status}")
RuntimeError: Failed to initialize model: Status.error
info:    0 warnings
info:    4 errors