Environment - simulationEnvironment: startTime=1.6848e+07 stopTime=1.728e+07 tolerance=1e-07 numberOfIntervals=2500 stepSize=172.8 Regular simulation: ./Buildings_13_Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.IdealHeatingCoolingSummer -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 24.2.0-9f1b36b00b, YMD=2026.10.11 01:51 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_STDOUT | info | ##IDA## -4 error occurred at time = 16855198.0500904 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 1.68552e+07 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0s reading init.xml | | | | | | 0s reading info.xml | | | | | | 7.6353e-05s [ 0.0%] pre-initialization | | | | | | 5.70755s [ 99.1%] initialization | | | | | | 0s [ 0.0%] steps | | | | | | 0.00427681s [ 0.1%] solver (excl. callbacks) | | | | | | 3.677e-06s [ 0.0%] creating output-file | | | | | | 0.0137809s [ 0.2%] event-handling | | | | | | 0s [ 0.0%] overhead | | | | | | 0.0352843s [ 0.6%] simulation | | | | | | 5.76098s [100.0%] total | | | | | events | | | | | | 0 state events | | | | | | 11 time events | | | | | solver: ida | | | | | | 1684 steps taken | | | | | | 2726 calls of functionODE | | | | | | 613 evaluations of jacobian | | | | | | 163 error test failures | | | | | | 21 convergence test failures | | | | | | 0.0283617s time of jacobian evaluation terminate called without an active exception