Environment - simulationEnvironment: startTime=0 stopTime=172800 tolerance=1e-07 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_13_Buildings.Examples.Tutorial.Boiler.System7 -abortSlowSimulation -alarm=240 -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 = 31.1988934583993 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 31.1989 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 7.0303e-05s [ 0.3%] pre-initialization | | | | | | 0.0201425s [ 86.1%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.000332526s [ 1.4%] solver (excl. callbacks) | | | | | | 5.34e-06s [ 0.0%] creating output-file | | | | | | 0.00080132s [ 3.4%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.00205119s [ 8.8%] simulation | | | | | | 0.0234032s [100.0%] total | | | | | events | | | | | | 1 state events | | | | | | 1 time events | | | | | solver: ida | | | | | | 77 steps taken | | | | | | 146 calls of functionODE | | | | | | 59 evaluations of jacobian | | | | | | 4 error test failures | | | | | | 10 convergence test failures | | | | | | 0.00177475s time of jacobian evaluation