Environment - simulationEnvironment: startTime=0 stopTime=10 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.004 Regular simulation: ./OpenIPSL_dev_OpenIPSL.Tests.Sources.CurrentSourceReImInputConstant -abortSlowSimulation -alarm=480 -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 without homotopy method. LOG_ASSERT | debug | OpenIPSL_dev_OpenIPSL.Tests.Sources.CurrentSourceReImInputConstant_16dae.c:1353: Invalid root: (-nan)^(0.769) LOG_ASSERT | debug | OpenIPSL_dev_OpenIPSL.Tests.Sources.CurrentSourceReImInputConstant_16dae.c:1343: Invalid root: (-2.22373)^(0.769) LOG_ASSERT | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The user-provided residual function failed in an unrecoverable manner.