python3 -m fmpy simulate --output-file PowerSystems_latest_PowerSystems.Examples.AC1ph_DC.Elementary.DoubleLine_res.csv --start-time 0 --stop-time 0.5 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 2.5e-05 PowerSystems_latest_PowerSystems_Examples_AC1ph_DC_Elementary_DoubleLine.fmu LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems master/AC1ph_DC/Lines.mo:843:7-843:126:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((lineF.C[2,1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= lineF.C[2,1], has value: -6.5462e-08" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems master/AC1ph_DC/Lines.mo:843:7-843:126:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((lineF.C[1,2] >= 0.0)) --> "Variable violating min constraint: 0.0 <= lineF.C[1,2], has value: -6.5462e-08" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems master/AC1ph_DC/Lines.mo:843:7-843:126:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((line.C[2,1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= line.C[2,1], has value: -7.30739e-08" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems master/AC1ph_DC/Lines.mo:843:7-843:126:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((line.C[1,2] >= 0.0)) --> "Variable violating min constraint: 0.0 <= line.C[1,2], has value: -7.30739e-08" [ERROR][rank 0][/home/runner/work/FMPy/FMPy/native/sundials-7.5.0/src/cvode/cvode.c:3739][cvHandleFailure] At t = 0.157207790749944 and h = 3.61535460324322e-11, the error test failed repeatedly or with |h| = hmin. 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 1101, in simulateME state_event, roots_found, time = solver.step(time, next_communication_point) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/hudson/saved_omc/libraries/.local/lib/python3.12/site-packages/fmpy/sundials/__init__.py", line 185, in step raise RuntimeError("CVode error (code %s) in module %s, function %s: %s" % self.error_info) RuntimeError: CVode error (code -3) in module cvHandleFailure, function /home/runner/work/FMPy/FMPy/native/sundials-7.5.0/src/cvode/cvode.c: At t = 0.157207790749944 and h = 3.61535460324322e-11, the error test failed repeatedly or with |h| = hmin.