OMSimulator --tempDir=temp_AixLib_AixLib_Fluid_Storage_Examples_StratifiedEnhancedInternalHex_fmu --startTime=0 --stopTime=1200 --timeout=50 --tolerance=1e-06 AixLib_AixLib_Fluid_Storage_Examples_StratifiedEnhancedInternalHex.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 = 178710 NumRhsEvals = 178711 NumLinSolvSetups = 8937 NumNonlinSolvIters = 178710 NumNonlinSolvConvFails = 0 NumErrTestFails = 0 [CVODE ERROR] CVode cvode_mem = NULL illegal. error: [doStep] SUNDIALS_ERROR: CVode() failed with flag = -21