Environment - simulationEnvironment: startTime=0 stopTime=10 tolerance=1e-06 numberOfIntervals=10000 stepSize=0.001 Regular simulation: ./OpenIPSL_2.0.0_OpenIPSL.Examples.IEEE14.IEEE_14_Buses -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_STDOUT | info | Using sparse solver kinsol for nonlinear system 2 (668), | | | | because density of 0.09 remains under threshold of 0.10. LOG_STDOUT | info | The maximum density for using sparse solvers can be specified | | | | using the runtime flag '<-nlssMaxDensity=value>'. 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 without homotopy method. LOG_ASSERT | debug | OpenIPSL_2.0.0_OpenIPSL.Examples.IEEE14.IEEE_14_Buses_16dae.c:3674: Invalid root: (-nan)^(2) LOG_ASSERT | debug | OpenIPSL_2.0.0_OpenIPSL.Examples.IEEE14.IEEE_14_Buses_16dae.c:3674: Invalid root: (-6.43575e+169)^(2) LOG_ASSERT | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The user-provided residual function failed in an unrecoverable manner.