OMSimulator  --tempDir=temp_Buildings_maint_7_0_x_Buildings_Fluid_Examples_FlowSystem_Basic_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Fluid_Examples_FlowSystem_Basic.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 = 42456 NumRhsEvals  = 42457 NumLinSolvSetups = 2124
         NumNonlinSolvIters = 42456 NumNonlinSolvConvFails = 0 NumErrTestFails = 0

[CVODE ERROR]  CVode
  cvode_mem = NULL illegal.

error:   [doStep] SUNDIALS_ERROR: CVode() failed with flag = -21