Environment - simulationEnvironment: startTime=0 stopTime=15000 tolerance=1e-06 numberOfIntervals=2500 stepSize=6 Regular simulation: ./Buildings_8_Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.Examples.BoreholeDynamics -abortSlowSimulation -alarm=480 -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 = 0.725886336955618 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 0.725886 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.301744s reading init.xml | | | | | | 0.0296912s reading info.xml | | | | | | 0.0010373s [ 0.2%] pre-initialization | | | | | | 0.403459s [ 93.1%] initialization | | | | | | 0.0286927s [ 6.6%] steps | | | | | | 0.415545s [ 95.9%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 2.104e-06s [ 0.0%] event-handling | | | | | | 1.5469e-05s [ 0.0%] overhead | | | | | | -0.415301s [-95.8%] simulation | | | | | | 0.43345s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 32 steps taken | | | | | | 62 calls of functionODE | | | | | | 48 evaluations of jacobian | | | | | | 2 error test failures | | | | | | 20 convergence test failures | | | | | | 0.0211767s time of jacobian evaluation