Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_12_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowPIDControlAutoTuning -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 = 664.618930548624 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 664.619 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0530098s reading init.xml | | | | | | 0.00288394s reading info.xml | | | | | | 0.0021916s [ 4.7%] pre-initialization | | | | | | 0.00133471s [ 2.9%] initialization | | | | | | 0.00248721s [ 5.4%] steps | | | | | | 0.0155982s [ 33.7%] solver (excl. callbacks) | | | | | | 0.00183179s [ 4.0%] creating output-file | | | | | | 0.00263246s [ 5.7%] event-handling | | | | | | 0.00202619s [ 4.4%] overhead | | | | | | 0.0182314s [ 39.3%] simulation | | | | | | 0.0463336s [100.0%] total | | | | | events | | | | | | 6 state events | | | | | | 2 time events | | | | | solver: ida | | | | | | 1842 steps taken | | | | | | 2960 calls of functionODE | | | | | | 437 evaluations of jacobian | | | | | | 158 error test failures | | | | | | 11 convergence test failures | | | | | | 0.0175928s time of jacobian evaluation