Environment - simulationEnvironment: startTime=1.0368e+07 stopTime=1.05408e+07 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_8_Buildings.Experimental.DHC.CentralPlants.Cooling.Subsystems.Examples.CoolingTowersWithBypass -abortSlowSimulation -alarm=480 -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 = 10369600.8900177 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 1.03696e+07 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0222513s reading init.xml | | | | | | 0.00223246s reading info.xml | | | | | | 0.000278222s [ 0.5%] pre-initialization | | | | | | 0.0313836s [ 59.9%] initialization | | | | | | 0.00301199s [ 5.8%] steps | | | | | | 0.0371579s [ 70.9%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.000596945s [ 1.1%] event-handling | | | | | | 0.000351579s [ 0.7%] overhead | | | | | | -0.0204016s [-39.0%] simulation | | | | | | 0.0523787s [100.0%] total | | | | | events | | | | | | 2 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 947 steps taken | | | | | | 1495 calls of functionODE | | | | | | 213 evaluations of jacobian | | | | | | 88 error test failures | | | | | | 12 convergence test failures | | | | | | 0.011221s time of jacobian evaluation