Environment - simulationEnvironment: startTime=0 stopTime=172800 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_13_Buildings.Examples.Tutorial.Boiler.System4 -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 = 0.000404635882703203 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 0.000404636 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 6.907e-05s [ 2.8%] pre-initialization | | | | | | 0.00118348s [ 47.7%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.000172439s [ 6.9%] solver (excl. callbacks) | | | | | | 3.186e-06s [ 0.1%] creating output-file | | | | | | 0s [ 0.0%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.00105451s [ 42.5%] simulation | | | | | | 0.00248269s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 12 steps taken | | | | | | 47 calls of functionODE | | | | | | 44 evaluations of jacobian | | | | | | 0 error test failures | | | | | | 28 convergence test failures | | | | | | 0.000975323s time of jacobian evaluation