Environment - simulationEnvironment: startTime=0 stopTime=504800 tolerance=1e-06 numberOfIntervals=140 stepSize=3605.71 Regular simulation: ./Buildings_latest_Buildings.Air.Systems.SingleZone.VAV.Examples.ChillerDXHeatingEconomizer -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_STDOUT | info | Using sparse solver for linear system 10, | | | | because density of 0.160 remains under threshold of 0.200. LOG_STDOUT | info | Using sparse solver for linear system 22, | | | | because density of 0.160 remains under threshold of 0.200. LOG_STDOUT | info | The maximum density for using sparse solvers can be specified | | | | using the runtime flag '<-lssMaxDensity=value>'. LOG_ASSERT | debug | ##IDA## In function IDASVtolerances: One of the function inputs is illegal.