Environment - simulationEnvironment: startTime=0 stopTime=500 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.2 Regular simulation: ./ThermoSysPro_ThermoSysPro.Examples.Book.SimpleExamples.HeatExchanger.TestDynamicCondenser -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_ASSERT | debug | division by zero at time 475.8515580893456, (a=1.824671328518154) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl LOG_ASSERT | debug | division by zero at time 475.8515580893457, (a=1.824663880632953) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl LOG_ASSERT | debug | division by zero at time 475.8515580893452, (a=1.82466480771685) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 4.7585155808934E+02 R2 = 2.4044202961172E-13 DASKR-- NONLINEAR SYSTEM SOLVER COULD NOT CONVERGE DASKR-- BECAUSE IRES WAS EQUAL TO MINUS ONE LOG_STDOUT | warning | A Modelica assert prevents the integrator to continue. For more information use -lv LOG_SOLVER LOG_STDOUT | warning | can't continue. time = 475.851558 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 475.852 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.024297s reading init.xml | | | | | | 0.00228429s reading info.xml | | | | | | 0.000214172s [ 0.0%] pre-initialization | | | | | | 0.0808929s [ 2.3%] initialization | | | | | | 0.224075s [ 6.3%] steps | | | | | | 0.00615397s [ 0.2%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00571689s [ 0.2%] event-handling | | | | | | 0.0258816s [ 0.7%] overhead | | | | | | 3.21139s [ 90.4%] simulation | | | | | | 3.55433s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 418 steps taken | | | | | | 882 calls of functionODE | | | | | | 153 evaluations of jacobian | | | | | | 111 error test failures | | | | | | 3 convergence test failures | | | | | | 0.503945s time of jacobian evaluation