(cd run_fmpy-fmi3-cs-cvode && python3 -m fmpy simulate --output-file ../OpenIPSL_dev_OpenIPSL.Tests.Branches.Generic.ULTC_fmpy-fmi3-cs-cvode_res.csv --start-time 0 --stop-time 350 --timeout 240 --relative-tolerance 0.0001 --interface-type CoSimulation --output-interval 0.01 ../OpenIPSL_dev_OpenIPSL_Tests_Branches_Generic_ULTC_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-04 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_ASSERT | debug | Solving non-linear system 171 failed at time=43.58. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5725. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.570625. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.571875. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.570703125. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.57041015625. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.57060546875. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5704223632813. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703765869141. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5704071044922. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703784942627. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.570397567749. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703796863556. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703752160072. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703781962395. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703754022718. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703772649169. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703755186871. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703750821296. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703749729903. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703749457054. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703749388842. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703749371789. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703749367526. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.570374936646. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | debug | Solving non-linear system 171 failed at time=43.5703749366194. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | info | ##CVODE## -4 error occurred at time = 43.5703749366105 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 4 (fatal).