Environment - simulationEnvironment: startTime=0 stopTime=10 tolerance=1e-06 numberOfIntervals=5003 stepSize=0.0019988 Regular simulation: ./Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings -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_ASSERT | warning | The following assertion has been violated during initialization at time 0.000000 LOG_ASSERT | debug | Model error: Argument of sqrt(spring3.r_rel_0[1] ^ 2.0 + spring1.r_rel_0[2] ^ 2.0 + spring3.r_rel_0[3] ^ 2.0) was -nan should be >= 0 LOG_ASSERT | warning | The following assertion has been violated during initialization at time 0.000000 LOG_ASSERT | debug | Model error: Argument of sqrt(spring3.r_rel_0[1] ^ 2.0 + spring1.r_rel_0[2] ^ 2.0 + spring3.r_rel_0[3] ^ 2.0) was -nan should be >= 0 LOG_ASSERT | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The user-provided residual function failed in an unrecoverable manner. LOG_ASSERT | info | simulation terminated by an assertion at initialization