Environment - simulationEnvironment: startTime=0 stopTime=5 tolerance=1e-07 numberOfIntervals=5006 stepSize=0.000998801 Regular simulation: ./ModelicaTest_4.1.0-beta.om_ModelicaTest.Fluid.TestPipesAndValves.BranchingPipes17 -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 | debug | ##IDA## In function IDAGetNumNonlinSolvIters: The residual function, linear solver setup function, or linear solver solve function had a recoverable failure, but IDACalcIC could not recover. LOG_ASSERT | info | simulation terminated by an assertion at initialization