Environment - simulationEnvironment: startTime=1.5552e+07 stopTime=1.57248e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_9_Buildings.Fluid.HeatExchangers.CoolingTowers.Examples.Merkel -abortSlowSimulation -alarm=480 -emit_protected -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 without homotopy method. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 15554825.1668445 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 1.55548e+07 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0128407s reading init.xml | | | | | | 0.00131406s reading info.xml | | | | | | 0.000579127s [ 1.5%] pre-initialization | | | | | | 0.0299912s [ 76.2%] initialization | | | | | | 0.00239001s [ 6.1%] steps | | | | | | 0.0323994s [ 82.3%] solver (excl. callbacks) | | | | | | 0.000383732s [ 1.0%] creating output-file | | | | | | 0.000256096s [ 0.7%] event-handling | | | | | | 0.00025332s [ 0.6%] overhead | | | | | | -0.0268932s [-68.3%] simulation | | | | | | 0.0393597s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 980 steps taken | | | | | | 1483 calls of functionODE | | | | | | 196 evaluations of jacobian | | | | | | 62 error test failures | | | | | | 10 convergence test failures | | | | | | 0.00295696s time of jacobian evaluation