Environment - simulationEnvironment: startTime=1.5552e+07 stopTime=1.57248e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_11_Buildings.Fluid.HeatExchangers.CoolingTowers.Examples.Merkel -abortSlowSimulation -alarm=400 -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 = 15554825.1558281 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 1.55548e+07 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.017575s reading init.xml | | | | | | 0.00174007s reading info.xml | | | | | | 0.00098657s [ 2.1%] pre-initialization | | | | | | 0.0352234s [ 75.6%] initialization | | | | | | 0.00250285s [ 5.4%] steps | | | | | | 0.038013s [ 81.6%] solver (excl. callbacks) | | | | | | 0.000662104s [ 1.4%] creating output-file | | | | | | 0.000265413s [ 0.6%] event-handling | | | | | | 0.000348471s [ 0.7%] overhead | | | | | | -0.0314331s [-67.5%] simulation | | | | | | 0.0465687s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 1190 steps taken | | | | | | 1761 calls of functionODE | | | | | | 205 evaluations of jacobian | | | | | | 74 error test failures | | | | | | 10 convergence test failures | | | | | | 0.00324462s time of jacobian evaluation