Environment - simulationEnvironment:
startTime=1.6848e+07
stopTime=1.728e+07
tolerance=1e-07
numberOfIntervals=2500
stepSize=172.8
Regular simulation: ./Buildings_latest_Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.IdealHeatingCoolingSummer_Autosizing -abortSlowSimulation -alarm=240  -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 24.2.0-638b8408fd (No OpenGL), YMD=2026.10.09 08:01
Initializing Response Factors
Calculating CTFs for "ATTIC NON-RES FLOOR"
Calculating CTFs for "ATTIC NON-RES ROOF"
Calculating CTFs for "INTERIORFURNISHINGS"
Calculating CTFs for "MASS NON-RES EXT WALL"
Calculating CTFs for "EXT-SLAB"
Calculating CTFs for "INT-WALLS"
Initializing Window Optical Properties
Initializing Solar Calculations
Allocate Solar Module Arrays
Initializing Zone and Enclosure Report Variables
Initializing Surface (Shading) Report Variables
Determining Shadowing Combinations
Computing Window Shade Absorption Factors
Proceeding with Initializing Solar Calculations
Initializing Surfaces
Initializing Outdoor environment for Surfaces
Setting up Surface Reporting Variables
Initializing Temperature and Flux Histories
Initializing Window Shading
Computing Interior Absorption Factors
Computing Interior Diffuse Solar Absorption Factors
Initializing Solar Heat Gains
Initializing Internal Heat Gains
Initializing Interior Solar Distribution
Initializing Interior Convection Coefficients
Gathering Information for Predefined Reporting
Completed Initializing Surface Heat Balance
Calculate Outside Surface Heat Balance
Calculate Inside Surface Heat Balance
Calculate Air Heat Balance
Initializing HVAC
Warming up
Warming up
Warming up
Warming up
Warming up
Warming up
Performing Zone Sizing Simulation
...for Sizing Period: #1 CHICAGO ANN CLG .4% CONDNS WB=>MDB
Warming up
Warming up
Warming up
Warming up
Warming up
Warming up
Performing Zone Sizing Simulation
...for Sizing Period: #2 CHICAGO ANN HTG 99.6% CONDNS DB
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}
Warming up {11}
Starting Simulation at 07/15/2006 for SPAWN-RUNPERIOD
LOG_SUCCESS       | info    | The initialization finished successfully with 3 homotopy steps.
LOG_STATS         | info    | ### STATISTICS ###
|                 | |       | | timer
|                 | |       | | |            0s          reading init.xml
|                 | |       | | |            0s          reading info.xml
|                 | |       | | |   6.6416e-05s [  0.0%] pre-initialization
|                 | |       | | |      5.73722s [ 78.0%] initialization
|                 | |       | | |            0s [  0.0%] steps
|                 | |       | | |     0.122093s [  1.7%] solver (excl. callbacks)
|                 | |       | | |    5.831e-06s [  0.0%] creating output-file
|                 | |       | | |     0.704579s [  9.6%] event-handling
|                 | |       | | |            0s [  0.0%] overhead
|                 | |       | | |     0.793402s [ 10.8%] simulation
|                 | |       | | |      7.35737s [100.0%] total
|                 | |       | | events
|                 | |       | | |     0 state events
|                 | |       | | |   719 time events
|                 | |       | | solver: ida
|                 | |       | | | 42428 steps taken
|                 | |       | | | 61146 calls of functionODE
|                 | |       | | | 14229 evaluations of jacobian
|                 | |       | | |  1130 error test failures
|                 | |       | | |   131 convergence test failures
|                 | |       | | | 0.697672s time of jacobian evaluation
LOG_SUCCESS       | info    | The simulation finished successfully.
Writing final SQL reports
EnergyPlus Run Time=00hr 00min  2.03sec
EnergyPlus Completed Successfully.