python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.Fluid.BaseClasses.FlowModels.Validation.BasicFlowFunction_m_flow_DerivativeCheck2_res.csv --start-time -2 --stop-time 2 --timeout 50 --relative-tolerance 1e-08 --interface-type ModelExchange --solver CVode --output-interval 0.0016 IDEAS_dev_IDEAS_Fluid_BaseClasses_FlowModels_Validation_BasicFlowFunction_m_flow_DerivativeCheck2.fmu LOG_ASSERT | error | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Fluid/BaseClasses/FlowModels/Validation/BasicFlowFunction_m_flow_DerivativeCheck2.mo:47:3-47:57:writable] | | | | The following assertion has been violated at time -1.998400 | | | | ((abs(err_dp) < 0.001)) --> "Error in implementation." Traceback (most recent call last): File "", line 198, in _run_module_as_main File "", line 88, in _run_code File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/__main__.py", line 4, in main() File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/cli.py", line 186, in main result = simulate_fmu(args.fmu_filename, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/simulation.py", line 788, in simulate_fmu result = simulateME(model_description, fmu, start_time, stop_time, solver, step_size, relative_tolerance, start_values, apply_default_start_values, input, output, output_interval, record_events, timeout, step_finished, validate, set_stop_time) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/simulation.py", line 1115, in simulateME step_event, terminate_simulation = fmu.completedIntegratorStep() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/fmi2.py", line 637, in completedIntegratorStep self.fmi2CompletedIntegratorStep( File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/fmi2.py", line 572, in fmi2CompletedIntegratorStep return self._call( ^^^^^^^^^^^ File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/fmi1.py", line 369, in _call raise FMICallException(function=fname, status=res) fmpy.fmi1.FMICallException: fmi2CompletedIntegratorStep failed with status 3 (error).