Environment - simulationEnvironment: startTime=0 stopTime=172800 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_latest_Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SingleFamilyHouse.HeatPumpRadiantHeatingGroundHeatTransfer -abortSlowSimulation -alarm=800 -lv LOG_STATS LOG_STDOUT | info | Using sparse solver for linear system 30, | | | | because density of 0.160 remains under threshold of 0.200. LOG_STDOUT | info | Using sparse solver for linear system 64, | | | | 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_STDOUT | warning | Internal Numerical Jacobians without coloring are currently not supported by IDA with KLU. Colored numerical Jacobian will be used. EnergyPlus Starting EnergyPlus, Version 24.2.0-9f1b36b00b, YMD=2024.12.19 08:50 Adjusting Air System Sizing Adjusting Standard 62.1 Ventilation Sizing Initializing Simulation Reporting Surfaces Beginning Primary Simulation Initializing New Environment Parameters Warming up {1} Warming up {2} Warming up {3} Warming up {4} Warming up {5} Warming up {6} Warming up {7} Warming up {8} Warming up {9} Warming up {10} Starting Simulation at 01/01/2006 for SPAWN-RUNPERIOD LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 0.000197703566629181 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 0.000197704 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.103815s reading init.xml | | | | | | 0.0101849s reading info.xml | | | | | | 0.000496821s [ 0.0%] pre-initialization | | | | | | 6.89685s [ 99.9%] initialization | | | | | | 0.00539497s [ 0.1%] steps | | | | | | 6.89867s [ 99.9%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00143724s [ 0.0%] event-handling | | | | | | 1.7363e-05s [ 0.0%] overhead | | | | | | -6.89852s [-99.9%] simulation | | | | | | 6.90434s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 1 time events | | | | | solver: ida | | | | | | 5 steps taken | | | | | | 34 calls of functionODE | | | | | | 16 evaluations of jacobian | | | | | | 2 error test failures | | | | | | 10 convergence test failures | | | | | | 0.00589425s time of jacobian evaluation Writing tabular output file results using HTML format. EnergyPlus Run Time=00hr 00min 0.27sec EnergyPlus Completed Successfully.