Environment - simulationEnvironment: startTime=0 stopTime=3.1536e+07 tolerance=1e-06 numberOfIntervals=500 stepSize=63072 Regular simulation: ./IDEAS_dev_IDEAS.Fluid.Examples.SimpleHouse -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_STDOUT | warning | Internal Numerical Jacobians without coloring are currently not supported by IDA with KLU. Colored numerical Jacobian will be used. LOG_ASSERT | warning | The following assertion has been violated during initialization at time 0.000000 LOG_ASSERT | debug | Model error: Argument of sqrt(1.0 / (1.0 / vavDam.kFixed ^ 2.0 + 1.0 / vavDam.kDam ^ 2.0)) was -nan should be >= 0 LOG_ASSERT | warning | The following assertion has been violated during initialization at time 0.000000 LOG_ASSERT | debug | Model error: Argument of sqrt(1.0 / (1.0 / vavDam.kFixed ^ 2.0 + 1.0 / vavDam.kDam ^ 2.0)) was -nan should be >= 0 LOG_ASSERT | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The user-provided residual function failed in an unrecoverable manner. LOG_ASSERT | info | simulation terminated by an assertion at initialization