python3 -m fmpy simulate --output-file Buildings_11_Buildings.Examples.VAVCO2.VAVSystemCTControl_res.csv --start-time 0 --stop-time 172800 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 69.12 Buildings_11_Buildings_Examples_VAVCO2_VAVSystemCTControl.fmu LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((res33.port_a.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= res33.port_a.C_outflow[1], has value: -9.9792e-34" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl34.port_2.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl34.port_2.C_outflow[1], has value: -2.4948e-34" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl34.port_3.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl34.port_3.C_outflow[1], has value: -9.9792e-34" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl34.port_internal.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl34.port_internal.C_outflow[1], has value: -7.4844e-34" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl35.port_1.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl35.port_1.C_outflow[1], has value: -2.24532e-33" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl35.port_2.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl35.port_2.C_outflow[1], has value: -6.6528e-34" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl35.port_3.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl35.port_3.C_outflow[1], has value: -2.32848e-33" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl35.port_internal.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl35.port_internal.C_outflow[1], has value: -1.74636e-33" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Fluid/Interfaces.mo:20:5-21:69:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((roo.spl36.port_1.C_outflow[1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= roo.spl36.port_1.C_outflow[1], has value: -4.9896e-33" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((fan32.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= fan32.eff.yMot, has value: -1.15687e-24" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable] | | | | The following assertion has been violated at time 0.000000 | | | | ((fan56.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= fan56.eff.yMot, has value: -1.31144e-24" [ERROR][rank 0][/home/runner/work/FMPy/FMPy/native/sundials-7.5.0/src/cvode/cvode.c:3743][cvHandleFailure] At t = 22658.4150966545 and h = 0.01318359375, the corrector convergence 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 -4) in module cvHandleFailure, function /home/runner/work/FMPy/FMPy/native/sundials-7.5.0/src/cvode/cvode.c: At t = 22658.4150966545 and h = 0.01318359375, the corrector convergence test failed repeatedly or with |h| = hmin.