OMSimulator --tempDir=temp_Buildings_8_Buildings_Fluid_Geothermal_Boreholes_Examples_UTube_fmu --startTime=0 --stopTime=1.5768e+08 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Fluid_Geothermal_Boreholes_Examples_UTube.fmu info: maximum step size for 'model.root': 0.001000 info: Result file: model_res.mat (bufferSize=10) error: [operator()] Timeout occurred during simulation info: 0 warnings info: 1 errors info: Final Statistics for 'model.root': NumSteps = 80323 NumRhsEvals = 80331 NumLinSolvSetups = 4021 NumNonlinSolvIters = 80330 NumNonlinSolvConvFails = 0 NumErrTestFails = 1 [CVODE ERROR] CVode cvode_mem = NULL illegal. error: [doStep] SUNDIALS_ERROR: CVode() failed with flag = -21