Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./AixLib_AixLib.Airflow.FacadeVentilationUnit.Examples.FacadeVentilationUnit -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_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 34438.0207763006 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 34438 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0301005s reading init.xml | | | | | | 0.00276809s reading info.xml | | | | | | 0.000248226s [ 0.0%] pre-initialization | | | | | | 0.00065054s [ 0.0%] initialization | | | | | | 0.37058s [ 4.0%] steps | | | | | | 4.05437s [ 43.6%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.000638396s [ 0.0%] event-handling | | | | | | 0.0107882s [ 0.1%] overhead | | | | | | 4.85629s [ 52.3%] simulation | | | | | | 9.29356s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 109722 steps taken | | | | | | 332135 calls of functionODE | | | | | | 216642 evaluations of jacobian | | | | | | 108251 error test failures | | | | | | 51 convergence test failures | | | | | | 7.62896s time of jacobian evaluation