python3 -m fmpy simulate  --output-file AixLib_AixLib.Fluid.DistrictHeatingCooling.Demands.Examples.OpenLoopVarTSupplyDpBypass_res.csv --start-time 0 --stop-time 10000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 4 AixLib_AixLib_Fluid_DistrictHeatingCooling_Demands_Examples_OpenLoopVarTSupplyDpBypass.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 2.1.0/Fluid/Interfaces/PartialTwoPortInterface.mo:20:3-21:81:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((pipeReturn.m_flow >= 0.0 and pipeReturn.m_flow <= 0.0)) --> "Variable violating min/max constraint: 0.0 <= pipeReturn.m_flow <= 0.0, has value: -0.114787"
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 2.1.0/Fluid/Interfaces/PartialTwoPortInterface.mo:20:3-21:81:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((pipeSupply.m_flow >= 0.0 and pipeSupply.m_flow <= 0.0)) --> "Variable violating min/max constraint: 0.0 <= pipeSupply.m_flow <= 0.0, has value: 0.114787"