(cd run_OMSimulator-cs-euler && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --resultFile=../Modelica_trunk_Modelica.Fluid.Examples.HeatingSystem_OMSimulator-cs-euler_res.mat --stripRoot --tempDir=temp_Modelica_trunk_Modelica_Fluid_Examples_HeatingSystem_OMSimulator-cs-euler_fmu --startTime=0 --stopTime=6000 --stepSize=1.19904 --mode=cs --timeout=240 --tolerance=1e-06 ../Modelica_trunk_Modelica_Fluid_Examples_HeatingSystem_OMSimulator-cs-euler.fmu)
info: *** FMU Simulation Info ***
     - model     : Modelica.Fluid.Examples.HeatingSystem (co-simulation)
     - fmiVersion: 2.0
     - startTime : 0.000000
     - stopTime  : 6000.000000
     - tolerance : 1e-06
     - stepSize  : 1.19904
info:    Result file: ../Modelica_trunk_Modelica.Fluid.Examples.HeatingSystem_OMSimulator-cs-euler_res.mat (bufferSize=10)
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((pipe.mediums[2].p >= 0.0), pipe.mediums[2].p=-6461291.206209301) --> "Pressure (= -6.46129e+06 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 344.657 K)"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((heater.mediums[1].p >= 0.0), heater.mediums[1].p=-726778203.0273733) --> "Pressure (= -7.26778e+08 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 329.841 K)"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Interfaces.mo:344:3-344:118:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((radiator.m_flows[1] > (-valve.m_flow_small)), radiator.m_flows[1]=-0.02525990938305726, valve.m_flow_small=0.0001) --> "Reversing flow occurs even though allowFlowReversal is false"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Interfaces.mo:344:3-344:118:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((radiator.m_flows[1] > (-valve.m_flow_small)), radiator.m_flows[1]=-0.02525990938305726, valve.m_flow_small=0.0001) --> "Reversing flow occurs even though allowFlowReversal is false"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((heater.mediums[1].p >= 0.0), heater.mediums[1].p=-726778203.0273733) --> "Pressure (= -7.26778e+08 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 329.841 K)"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((pipe.mediums[2].p >= 0.0), pipe.mediums[2].p=-6461291.206209301) --> "Pressure (= -6.46129e+06 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 344.657 K)"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Interfaces.mo:344:3-344:118:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((radiator.m_flows[1] > (-valve.m_flow_small)), radiator.m_flows[1]=-0.02525990938305726, valve.m_flow_small=0.0001) --> "Reversing flow occurs even though allowFlowReversal is false"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((heater.mediums[1].p >= 0.0), heater.mediums[1].p=-726778203.0273733) --> "Pressure (= -7.26778e+08 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 329.841 K)"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((pipe.mediums[2].p >= 0.0), pipe.mediums[2].p=-6461291.206209301) --> "Pressure (= -6.46129e+06 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 344.657 K)"
LOG_ASSERT        | error   | No event found, but assert was triggered. Throwing now!
error:   [fmi2logger] [fmi2Error] HeatingSystem/logStatusError: /home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055: The following assertion has been violated at time 3.597120
         ((pipe.mediums[2].p >= 0.0), pipe.mediums[2].p=-6461291.206209301) --> "Pressure (= -6.46129e+06 Pa) of medium "Liquid linear water" is negative
         (Temperature = 344.657 K)"
error:   [fmi2logger] [fmi2Error] HeatingSystem/logFmi2Call: internalEventUpdate: terminated by an assertion.
error:   [stepUntil] fmi2_doStep failed for FMU "HeatingSystem.root.HeatingSystem"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((pipe.mediums[2].p >= 0.0), pipe.mediums[2].p=-6461291.206209301) --> "Pressure (= -6.46129e+06 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 344.657 K)"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Media/package.mo:4055:7-4056:76:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((heater.mediums[1].p >= 0.0), heater.mediums[1].p=-726778203.0273733) --> "Pressure (= -7.26778e+08 Pa) of medium "Liquid linear water" is negative
|                 | |       | (Temperature = 329.841 K)"
LOG_ASSERT        | info    | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Interfaces.mo:344:3-344:118:writable]
|                 | |       | The following assertion has been violated at time 3.597120
|                 | |       | ((radiator.m_flows[1] > (-valve.m_flow_small)), radiator.m_flows[1]=-0.02525990938305726, valve.m_flow_small=0.0001) --> "Reversing flow occurs even though allowFlowReversal is false"
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 176, in _runFMU
    fmu.simulate()
    ~~~~~~~~~~~~^^
  File "/home/hudson/saved_omc/OMSimulator/install/lib/x86_64-linux-gnu/OMSimulator/fmu.py", line 906, in simulate
    raise RuntimeError(f"Failed to simulate model: {status}")
RuntimeError: Failed to simulate model: Status.error
info:    0 warnings
info:    3 errors