Environment - simulationEnvironment: startTime=0 stopTime=3 tolerance=1e-06 numberOfIntervals=500 stepSize=0.006 Regular simulation: ./Dynawo_dev_Dynawo.Examples.GridForming.GridForming -initialStepSize=0.001 -lv=LOG_STATS -s=ida -maxIntegrationOrder=2 -maxStepSize=10 -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_STDOUT | warning | Command line option 'lv' specified again. Value has been overriden from 'LOG_STATS' to '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 | info | The following assertion has been violated at time 1.650000 LOG_ASSERT | debug | Dynawo_dev_Dynawo.Examples.GridForming.GridForming_16dae.c:3148: Invalid root: (-nan)^(1) LOG_ASSERT | debug | Dynawo_dev_Dynawo.Examples.GridForming.GridForming_16dae.c:3148: Invalid root: (inf)^(1) LOG_ASSERT | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The user-provided residual function failed in an unrecoverable manner.