Environment - simulationEnvironment: startTime=0 stopTime=360000 tolerance=1e-06 numberOfIntervals=2500 stepSize=144 Regular simulation: ./Buildings_latest_Buildings.DHC.ETS.Combined.Validation.HeatRecoveryHeatPump -abortSlowSimulation -alarm=800 -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 = 124.316076251433 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 124.316 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.244228s reading init.xml | | | | | | 0.0185437s reading info.xml | | | | | | 0.000725871s [ 0.2%] pre-initialization | | | | | | 0.00430785s [ 1.2%] initialization | | | | | | 0.218693s [ 62.7%] steps | | | | | | 0.111792s [ 32.1%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.0371761s [ 10.7%] event-handling | | | | | | 0.000163457s [ 0.0%] overhead | | | | | | -0.0243043s [ -7.0%] simulation | | | | | | 0.348554s [100.0%] total | | | | | events | | | | | | 1 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 4472 steps taken | | | | | | 11032 calls of functionODE | | | | | | 942 evaluations of jacobian | | | | | | 982 error test failures | | | | | | 96 convergence test failures | | | | | | 0.125631s time of jacobian evaluation