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. assert | debug | division by zero at time 475.8515582237803, (a=1.824671328177823) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl assert | debug | division by zero at time 475.8515582237804, (a=1.824663879923024) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl assert | debug | division by zero at time 475.8515582237799, (a=1.824664806949628) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 4.7585155822378E+02 R2 = 2.4044368857491E-13 DASKR-- NONLINEAR SYSTEM SOLVER COULD NOT CONVERGE DASKR-- BECAUSE IRES WAS EQUAL TO MINUS ONE stdout | warning | A Modelica assert prevents the integrator to continue. For more information use -lv LOG_SOLVER stdout | warning | can't continue. time = 475.851558 stdout | info | model terminate | Integrator failed. | Simulation terminated at time 475.852 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0122923s reading init.xml | | | | | | 0.00110526s reading info.xml | | | | | | 8.8957e-05s [ 0.0%] pre-initialization | | | | | | 0.040823s [ 1.3%] initialization | | | | | | 0.208561s [ 6.6%] steps | | | | | | 0.00572613s [ 0.2%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00511091s [ 0.2%] event-handling | | | | | | 0.0218168s [ 0.7%] overhead | | | | | | 2.89598s [ 91.1%] simulation | | | | | | 3.17811s [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 | | | | | | 0.451625s time of jacobian evaluation