(cd run_fmpy-fmi3-cs-cvode && python3 -m fmpy simulate --output-file ../OpenIMDML_main_OpenIMDML.Examples.MultiDomainExamples.MultiDomainApplications.TankExample_fmpy-fmi3-cs-cvode_res.csv --start-time 0 --stop-time 100 --timeout 240 --relative-tolerance 1e-06 --interface-type CoSimulation --output-interval 0.04 ../OpenIMDML_main_OpenIMDML_Examples_MultiDomainExamples_MultiDomainApplications_TankExample_fmpy-fmi3-cs-cvode.fmu) LOG_SOLVER | info | CVODE linear multistep method CV_BDF LOG_SOLVER | info | CVODE maximum integration order CV_ITER_NEWTON LOG_SOLVER | info | CVODE use equidistant time grid YES LOG_SOLVER | info | CVODE Using relative error tolerance 1.000000e-06 LOG_SOLVER | info | CVODE Using sparse linear solver SUNLinSol_KLU. LOG_SOLVER | info | CVODE Use sparse Jacobian method coloredNumerical LOG_SOLVER | info | CVODE uses internal root finding method YES LOG_SOLVER | info | CVODE maximum absolut step size 0 LOG_SOLVER | info | CVODE initial step size is set automatically LOG_SOLVER | info | CVODE maximum integration order 5 LOG_SOLVER | info | CVODE maximum number of nonlinear convergence failures permitted during one step 10 LOG_SOLVER | info | CVODE BDF stability limit detection algorithm ON LOG_STDOUT | warning | While solving non-linear system an assertion failed during initialization. | | | | | The non-linear solver tries to solve the problem that could take some time. | | | | | It could help to provide better start-values for the iteration variables. | | | | | For more information simulate with -lv LOG_NLS_V LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.224384 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.224384 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.224384 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.224384 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | Found event, previous asserts are ignored. LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Media/Water/package.mo:172:11-175:65:writable] | | | | The following assertion has been violated at time 0.240000 | | | | ((pump.heatTransfer.states[1].h < Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.boilingcurve_p(pump.heatTransfer.states[1].p).h or pump.heatTransfer.states[1].h > Modelica.Media.Water.IF97_Utilities.BaseIF97.Regions.dewcurve_p(pump.heatTransfer.states[1].p).h or pump.heatTransfer.states[1].p > 2.2064e7), pump.heatTransfer.states[1].h=826715.5849913987, pump.heatTransfer.states[1].p=101325.0246432675) --> "With onePhase=true this model may only be called with one-phase states h < hl or h > hv!(p = 101325, h = 826716)" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.240000 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.240000 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.240000 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.240000 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | Found event, previous asserts are ignored. LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.240000 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Vessels.mo:104:3-104:127:writable] | | | | The following assertion has been violated at time 0.240000 | | | | ((reservoir.level > 0.0), reservoir.level=-1.000000084036331e-10) --> "Fluid level is too low; the energy balance equation becomes singular when the tank is completely empty." LOG_ASSERT | error | No event found, but assert was triggered. Throwing now! Traceback (most recent call last): File "", line 198, in _run_module_as_main File "", line 88, in _run_code File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/__main__.py", line 4, in main() ~~~~^^ File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/cli.py", line 186, in main result = simulate_fmu(args.fmu_filename, validate=args.validate, ...<14 lines>... visible=args.visible, fmi_call_logger=fmi_call_logger) File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/simulation.py", line 801, in simulate_fmu result = simulateCS(model_description, fmu, start_time, stop_time, relative_tolerance, start_values, apply_default_start_values, input, output, output_interval, timeout, step_finished, set_input_derivatives, use_event_mode, early_return_allowed, validate, initialize, terminate, set_stop_time) File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/simulation.py", line 1350, in simulateCS event_encountered, terminate_simulation, early_return, last_successful_time = fmu.doStep(currentCommunicationPoint=time, communicationStepSize=step_size) ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/fmi3.py", line 1968, in doStep self.fmi3DoStep( ~~~~~~~~~~~~~~~^ self.component, ^^^^^^^^^^^^^^^ ...<6 lines>... byref(lastSuccessfulTime), ^^^^^^^^^^^^^^^^^^^^^^^^^^ ) ^ File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/fmi3.py", line 1268, in fmi3DoStep return self._call( ~~~~~~~~~~^ "fmi3DoStep", ^^^^^^^^^^^^^ ...<7 lines>... lastSuccessfulTime, ^^^^^^^^^^^^^^^^^^^ ) ^ File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/fmi1.py", line 369, in _call raise FMICallException(function=fname, status=res) fmpy.fmi1.FMICallException: fmi3DoStep failed with status 3 (error).