Environment - simulationEnvironment: startTime=0 stopTime=2000 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.8 Regular simulation: ./ClaRa_dev_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 | | | | | | 0.313659s reading init.xml | | | | | | 0.0349293s reading info.xml | | | | | | 0.0130247s [ 4.1%] pre-initialization | | | | | | 0.0829214s [ 25.9%] initialization | | | | | | 0.224152s [ 70.0%] steps | | | | | | 0.0820509s [ 25.6%] solver (excl. callbacks) | | | | | | 0.0032066s [ 1.0%] creating output-file | | | | | | 2.635e-06s [ 0.0%] event-handling | | | | | | 1.9056e-05s [ 0.0%] overhead | | | | | | -0.0849625s [-26.5%] simulation | | | | | | 0.320414s [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 | | | | | | 0.230664s time of jacobian evaluation