Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_12_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowPIControlAutoTuning -abortSlowSimulation -alarm=400 -emit_protected -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 = 664.570487366315 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 664.57 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0481975s reading init.xml | | | | | | 0.00299307s reading info.xml | | | | | | 0.00209878s [ 4.5%] pre-initialization | | | | | | 0.0013286s [ 2.8%] initialization | | | | | | 0.00508589s [ 10.9%] steps | | | | | | 0.0147165s [ 31.6%] solver (excl. callbacks) | | | | | | 0.0018045s [ 3.9%] creating output-file | | | | | | 0.00273246s [ 5.9%] event-handling | | | | | | 0.00204951s [ 4.4%] overhead | | | | | | 0.016823s [ 36.1%] simulation | | | | | | 0.0466392s [100.0%] total | | | | | events | | | | | | 6 state events | | | | | | 2 time events | | | | | solver: ida | | | | | | 1582 steps taken | | | | | | 2669 calls of functionODE | | | | | | 496 evaluations of jacobian | | | | | | 156 error test failures | | | | | | 45 convergence test failures | | | | | | 0.0202622s time of jacobian evaluation