(cd run_fmpy-fmi3-cs-cvode && python3 -m fmpy simulate --output-file ../OpenIPSL_OpenIPSL.Examples.AKD.System.AKD_fmpy-fmi3-cs-cvode_res.csv --start-time 0 --stop-time 10 --timeout 240 --relative-tolerance 1e-06 --interface-type CoSimulation --output-interval 0.004 ../OpenIPSL_OpenIPSL_Examples_AKD_System_AKD_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 at time 7.28788e-05. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 7.28788e-05. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=7.28788157318079e-05. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.00101043. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.00101043. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.00101043339994669. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.000580536. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.012. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.012. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.012. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.009. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.009. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.009. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.009. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0085. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.02. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.02. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.02. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0184131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0189421. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.064. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.064. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.064. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.061. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.061. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.061. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.06025. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.06025. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.06025. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600625. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600625. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600625. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600625. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600625. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600625. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.0600625. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600156. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0600156. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.060015625. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0614979. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0614979. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.0614979122166044. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0614979. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0614979. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0614979. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.0614979122166044. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.0611571. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.0611570606880137. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.065131. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.068. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.068. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.068. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0.068. | | | | | 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_STDOUT | warning | While solving non-linear system an assertion failed at time 0.068. | | | | | 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 | debug | Solving non-linear system 2298 failed at time=0.068. | | | | For more information please use -lv LOG_NLS. 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).