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=240 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_ASSERT | debug | division by zero at time 475.852722943818, (a=1.824661348798314) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl LOG_ASSERT | debug | division by zero at time 475.8527229438187, (a=1.82466170964438) / (b=0), where divisor b expression is: DynamicCondenser.DynamicCondenser.zl DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 4.7585272294382E+02 R2 = 3.4959444387655E-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 = 475.852723 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 475.853 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0193572s reading init.xml | | | | | | 0.00154014s reading info.xml | | | | | | 0.000124354s [ 0.0%] pre-initialization | | | | | | 0.61701s [ 27.9%] initialization | | | | | | 0.119475s [ 5.4%] steps | | | | | | 0.00444s [ 0.2%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00321899s [ 0.1%] event-handling | | | | | | 0.0156117s [ 0.7%] overhead | | | | | | 1.45033s [ 65.6%] simulation | | | | | | 2.21021s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 495 steps taken | | | | | | 975 calls of functionODE | | | | | | 132 evaluations of jacobian | | | | | | 113 error test failures | | | | | | 2 convergence test failures | | | | | | 0.24561s time of jacobian evaluation