startTime=1.5552e+07 stopTime=1.57248e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_maint.8.0.x_Buildings.Fluid.HeatExchangers.CoolingTowers.Examples.Merkel -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. stdout | info | ##IDA## -4 error occurred at time = 15554839.228038 stdout | info | model terminate | Integrator failed. | Simulation terminated at time 1.55548e+07 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0146997s reading init.xml | | | | | | 0.0013321s reading info.xml | | | | | | 0.000247143s [ 0.8%] pre-initialization | | | | | | 0.0188412s [ 62.2%] initialization | | | | | | 0.000443131s [ 1.5%] steps | | | | | | 0.0227442s [ 75.1%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00026104s [ 0.9%] event-handling | | | | | | 0.000237737s [ 0.8%] overhead | | | | | | -0.0124893s [-41.2%] simulation | | | | | | 0.030285s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 1123 steps taken | | | | | | 1788 calls of functionODE | | | | | | 239 evaluations of jacobian | | | | | | 96 error test failures | | | | | | 19 convergence test failures | | | | | | 0.00388273s time of jacobian evaluation