Environment - simulationEnvironment: startTime=0 stopTime=1e-08 tolerance=1e-06 numberOfIntervals=2500 stepSize=4e-12 Regular simulation: ./Chemical_Chemical.Examples.AcidBase.Dev.RedCellMembrane -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_STDOUT | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 0.000000. That might raise performance issues, for more information use -lv LOG_LS. LOG_ASSERT | warning | The following assertion has been violated during initialization at time 0.000000 LOG_ASSERT | debug | Model error: Argument of log(Hemoglobin.a) was -4.37864e-05 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 log(Hemoglobin.a) was -4.37864e-05 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