startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.StepResponseEpsilonNTU -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. stdout | info | ##IDA## -4 error occurred at time = 43200.0000085389 stdout | info | model terminate | Integrator failed. | Simulation terminated at time 43200 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0281993s reading init.xml | | | | | | 0.00307937s reading info.xml | | | | | | 0.000226094s [ 0.7%] pre-initialization | | | | | | 0.000517451s [ 1.5%] initialization | | | | | | 0.000884049s [ 2.6%] steps | | | | | | 0.0168487s [ 49.0%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.0197652s [ 57.4%] event-handling | | | | | | 0.0035761s [ 10.4%] overhead | | | | | | -0.00740052s [-21.5%] simulation | | | | | | 0.0344172s [100.0%] total | | | | | events | | | | | | 1 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 24 steps taken | | | | | | 52 calls of functionODE | | | | | | 38 evaluations of jacobian | | | | | | 0 error test failures | | | | | | 16 convergence test failures | | | | | | 0.00078461s time of jacobian evaluation