Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_13_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowPIDControlAutoTuning -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 = 673.313768581116 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 673.314 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 8.4018e-05s [ 0.2%] pre-initialization | | | | | | 0.000850802s [ 1.7%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.00685035s [ 13.8%] solver (excl. callbacks) | | | | | | 2.073e-06s [ 0.0%] creating output-file | | | | | | 0.000253829s [ 0.5%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.0415673s [ 83.8%] simulation | | | | | | 0.0496083s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 2 time events | | | | | solver: ida | | | | | | 4242 steps taken | | | | | | 7270 calls of functionODE | | | | | | 1313 evaluations of jacobian | | | | | | 562 error test failures | | | | | | 67 convergence test failures | | | | | | 0.023696s time of jacobian evaluation