python3 -m fmpy simulate  --output-file Buildings_11_Buildings.DHC.Loads.Steam.BaseClasses.Examples.ValveSelfActing_res.csv --start-time 0 --stop-time 15 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.006 Buildings_11_Buildings_DHC_Loads_Steam_BaseClasses_Examples_ValveSelfActing.fmu
LOG_ASSERT        | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/DHC/Loads/Steam/BaseClasses/ValveSelfActing.mo:42:3-44:88:writable]
|                 | |       | The following assertion has been violated during initialization at time 0.000000
|                 | |       | ((prv.dpSet.u2 > 0.0)) --> "pb_nominal is set higher than the upstream pressure in ValveSelfActing.prv, which results in a negative pressure drop.
|                 | |       |   This is not typical of real systems and should be verified."