Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_8_Buildings.Experimental.DHC.CentralPlants.Cooling.Examples.Plant -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 | debug | Buildings_8_Buildings.Experimental.DHC.CentralPlants.Cooling.Examples.Plant_functions.c:8380: Invalid root: (-nan)^(-1.5) LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_ASSERT | debug | Buildings_8_Buildings.Experimental.DHC.CentralPlants.Cooling.Examples.Plant_functions.c:8380: Invalid root: (-nan)^(-1.5) LOG_ASSERT | debug | Buildings_8_Buildings.Experimental.DHC.CentralPlants.Cooling.Examples.Plant_functions.c:8380: Invalid root: (-nan)^(-1.5) LOG_ASSERT | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The user-provided residual function failed in an unrecoverable manner.