Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=2500 stepSize=34.56 Regular simulation: ./Buildings_12_Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SingleFamilyHouse.AirHeating -abortSlowSimulation -alarm=400 -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. EnergyPlus Starting EnergyPlus, Version 24.2.0-9f1b36b00b, YMD=2025.12.05 17:19 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 without homotopy method. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 5837.15644066891 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 5837.16 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.019441s reading init.xml | | | | | | 0.0016743s reading info.xml | | | | | | 0.000855103s [ 0.0%] pre-initialization | | | | | | 7.42092s [ 99.8%] initialization | | | | | | 0.000765886s [ 0.0%] steps | | | | | | 7.42442s [ 99.8%] solver (excl. callbacks) | | | | | | 0.000614829s [ 0.0%] creating output-file | | | | | | 0.00512378s [ 0.1%] event-handling | | | | | | 0.000797759s [ 0.0%] overhead | | | | | | -7.41619s [-99.7%] simulation | | | | | | 7.43731s [100.0%] total | | | | | events | | | | | | 15 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 799 steps taken | | | | | | 1262 calls of functionODE | | | | | | 575 evaluations of jacobian | | | | | | 53 error test failures | | | | | | 97 convergence test failures | | | | | | 0.00591196s time of jacobian evaluation Writing tabular output file results using HTML format. EnergyPlus Run Time=00hr 00min 0.33sec EnergyPlus Completed Successfully.