Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_latest_Buildings.Fluid.HeatExchangers.Examples.WetCoilCounterFlowPIDControlAutoTuning -abortSlowSimulation -alarm=800 -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 = 673.159188096392 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 673.159 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0500561s reading init.xml | | | | | | 0.00279896s reading info.xml | | | | | | 0.00168596s [ 1.7%] pre-initialization | | | | | | 0.00140105s [ 1.4%] initialization | | | | | | 0.00528764s [ 5.3%] steps | | | | | | 0.0345218s [ 34.8%] solver (excl. callbacks) | | | | | | 0.00149279s [ 1.5%] creating output-file | | | | | | 0.000705624s [ 0.7%] event-handling | | | | | | 0.00228363s [ 2.3%] overhead | | | | | | 0.0519418s [ 52.3%] simulation | | | | | | 0.0993203s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 4181 steps taken | | | | | | 7185 calls of functionODE | | | | | | 1385 evaluations of jacobian | | | | | | 556 error test failures | | | | | | 53 convergence test failures | | | | | | 0.0488507s time of jacobian evaluation