assert | debug | division by zero at time 1980, (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, (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 2520.000000252101, (a=-0) / (b=-0), where divisor b expression is: mAir_flow.y