Regular simulation: ./Buildings_5.0.1_Buildings.Fluid.HeatExchangers.Examples.DryEffectivenessNTUMassFlow -abortSlowSimulation -alarm=480   
stdout            | info    | The initialization finished successfully without homotopy method.
assert            | debug   | division by zero at time 2520, (a=-0) / (b=-0), where divisor b expression is: mAir_flow.y
stdout            | warning | Integrator attempt to handle a problem with a called assert.
assert            | debug   | division by zero at time 2520.000000252117, (a=-0) / (b=-0), where divisor b expression is: mAir_flow.y