Environment - simulationEnvironment: startTime=0 stopTime=2000 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.8 Regular simulation: ./ClaRa_ClaRa.Components.HeatExchangers.Check.Test_RegenerativeAirPreheater -abortSlowSimulation -alarm=480 -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 = 3.78865871326894e-13 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 3.78866e-13 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.31752s reading init.xml | | | | | | 0.0353136s reading info.xml | | | | | | 0.0148122s [ 4.6%] pre-initialization | | | | | | 0.0810151s [ 25.1%] initialization | | | | | | 0.226399s [ 70.2%] steps | | | | | | 0.0844154s [ 26.2%] solver (excl. callbacks) | | | | | | 0.00284868s [ 0.9%] creating output-file | | | | | | 3.266e-06s [ 0.0%] event-handling | | | | | | 2.4626e-05s [ 0.0%] overhead | | | | | | -0.0869807s [-27.0%] simulation | | | | | | 0.322537s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 3 steps taken | | | | | | 20 calls of functionODE | | | | | | 15 evaluations of jacobian | | | | | | 3 error test failures | | | | | | 10 convergence test failures | | | | | | 0.230343s time of jacobian evaluation