Environment - simulationEnvironment:
startTime=0
stopTime=172800
tolerance=1e-06
numberOfIntervals=2500
stepSize=69.12
Regular simulation: ./Buildings_13_Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SingleFamilyHouse.HeatPumpRadiantHeatingGroundHeatTransfer -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 01:50
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 = 9.85871191137715e-05
LOG_STDOUT        | info    | model terminate | Integrator failed. | Simulation terminated at time 9.85871e-05
LOG_STATS         | info    | ### STATISTICS ###
|                 | |       | | timer
|                 | |       | | |            0s          reading init.xml
|                 | |       | | |            0s          reading info.xml
|                 | |       | | |  0.000148129s [  0.0%] pre-initialization
|                 | |       | | |      5.52336s [ 99.9%] initialization
|                 | |       | | |            0s [  0.0%] steps
|                 | |       | | |  0.000207322s [  0.0%] solver (excl. callbacks)
|                 | |       | | |    6.152e-06s [  0.0%] creating output-file
|                 | |       | | |  0.000803505s [  0.0%] event-handling
|                 | |       | | |            0s [  0.0%] overhead
|                 | |       | | |   0.00196501s [  0.0%] simulation
|                 | |       | | |      5.52649s [100.0%] total
|                 | |       | | events
|                 | |       | | |     0 state events
|                 | |       | | |     1 time events
|                 | |       | | solver: ida
|                 | |       | | |     4 steps taken
|                 | |       | | |    30 calls of functionODE
|                 | |       | | |    25 evaluations of jacobian
|                 | |       | | |     2 error test failures
|                 | |       | | |    10 convergence test failures
|                 | |       | | | 0.00247071s time of jacobian evaluation
terminate called without an active exception