python3 -m fmpy simulate  --output-file Physiolibrary_Physiolibrary.Organs.Heart.Examples.RightAtriumTest_res.csv --start-time 0 --stop-time 5 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.002 Physiolibrary_Physiolibrary_Organs_Heart_Examples_RightAtriumTest.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0/Fluid.mo:786:7-786:76:writable]
|                 | |       | The following assertion has been violated at time 0.000000
|                 | |       | ((RightAtrium.massOffset >= 0.0)) --> "Variable violating min constraint: 0.0 <= RightAtrium.massOffset, has value: -1.28706e-09"