Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001286/0.001286, allocations: 101.3 kB / 19.73 MB, free: 2.133 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001482/0.001482, allocations: 219 kB / 23.03 MB, free: 4.945 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.461/1.461, allocations: 230.6 MB / 256.8 MB, free: 7.793 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.228/3.228, allocations: 0.49 GB / 0.7959 GB, free: 35.47 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic,fileNamePrefix="Buildings_12_Buildings_Airflow_Multizone_Validation_OpenDoorBuoyancyPressureDynamic",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic,fileNamePrefix="Buildings_12_Buildings_Airflow_Multizone_Validation_OpenDoorBuoyancyPressureDynamic",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001999/0.001999, allocations: 61.27 kB / 1.155 GB, free: 25.46 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3442/0.3462, allocations: 176.1 MB / 1.327 GB, free: 1.559 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic): time 0.298/0.6442, allocations: 218.1 MB / 1.54 GB, free: 6.672 MB / 1.232 GB
Notification: Performance of NFInst.instExpressions: time 0.02553/0.6698, allocations: 13.46 MB / 1.553 GB, free: 9.188 MB / 1.248 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003358/0.6731, allocations: 99.19 kB / 1.553 GB, free: 9.09 MB / 1.248 GB
Notification: Performance of NFTyping.typeComponents: time 0.004346/0.6775, allocations: 1.204 MB / 1.554 GB, free: 7.879 MB / 1.248 GB
Notification: Performance of NFTyping.typeBindings: time 0.01468/0.6921, allocations: 4.896 MB / 1.559 GB, free: 2.965 MB / 1.248 GB
Notification: Performance of NFTyping.typeClassSections: time 0.006529/0.6987, allocations: 1.919 MB / 1.561 GB, free: 1.055 MB / 1.248 GB
Notification: Performance of NFFlatten.flatten: time 0.01057/0.7092, allocations: 6.4 MB / 1.567 GB, free: 10.63 MB / 1.264 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003613/0.7129, allocations: 1.523 MB / 1.568 GB, free: 9.082 MB / 1.264 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.007009/0.7199, allocations: 2.683 MB / 1.571 GB, free: 6.391 MB / 1.264 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005705/0.7256, allocations: 2.127 MB / 1.573 GB, free: 4.266 MB / 1.264 GB
Notification: Performance of NFPackage.collectConstants: time 0.00121/0.7268, allocations: 251.9 kB / 1.573 GB, free: 4.02 MB / 1.264 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01027/0.7371, allocations: 3.721 MB / 1.577 GB, free: 296 kB / 1.264 GB
Notification: Performance of NFScalarize.scalarize: time 0.002289/0.7393, allocations: 1.059 MB / 1.578 GB, free: 15.23 MB / 1.279 GB
Notification: Performance of NFVerifyModel.verify: time 0.003513/0.7429, allocations: 1.206 MB / 1.579 GB, free: 14.02 MB / 1.279 GB
Notification: Performance of NFConvertDAE.convert: time 0.01292/0.7558, allocations: 5.163 MB / 1.584 GB, free: 8.836 MB / 1.279 GB
Notification: Performance of FrontEnd - DAE generated: time 8.837e-06/0.7558, allocations: 3.984 kB / 1.584 GB, free: 8.832 MB / 1.279 GB
Notification: Performance of FrontEnd: time 2.074e-06/0.7558, allocations: 0 / 1.584 GB, free: 8.832 MB / 1.279 GB
Notification: Performance of Transformations before backend: time 0.0001753/0.756, allocations: 4 kB / 1.584 GB, free: 8.828 MB / 1.279 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 515
 * Number of variables: 515
Notification: Performance of Generate backend data structure: time 0.01035/0.7663, allocations: 3.152 MB / 1.587 GB, free: 5.629 MB / 1.279 GB
Notification: Performance of prepare preOptimizeDAE: time 7.003e-05/0.7664, allocations: 8.031 kB / 1.587 GB, free: 5.621 MB / 1.279 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0001003/0.7665, allocations: 51.84 kB / 1.587 GB, free: 5.57 MB / 1.279 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009711/0.7674, allocations: 287.1 kB / 1.588 GB, free: 5.281 MB / 1.279 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00535/0.7728, allocations: 0.6931 MB / 1.588 GB, free: 4.586 MB / 1.279 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004392/0.7772, allocations: 1.525 MB / 1.59 GB, free: 3.008 MB / 1.279 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001867/0.7774, allocations: 147.8 kB / 1.59 GB, free: 2.863 MB / 1.279 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007243/0.7781, allocations: 199.9 kB / 1.59 GB, free: 2.668 MB / 1.279 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.006965/0.7851, allocations: 2.893 MB / 1.593 GB, free: 15.63 MB / 1.295 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.234e-05/0.7851, allocations: 0 / 1.593 GB, free: 15.63 MB / 1.295 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004384/0.7856, allocations: 80 kB / 1.593 GB, free: 15.55 MB / 1.295 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001601/0.7857, allocations: 112.4 kB / 1.593 GB, free: 15.44 MB / 1.295 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005947/0.7917, allocations: 2.75 MB / 1.596 GB, free: 12.68 MB / 1.295 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01411/0.8058, allocations: 5.551 MB / 1.601 GB, free: 7.062 MB / 1.295 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004098/0.8099, allocations: 2.194 MB / 1.603 GB, free: 4.852 MB / 1.295 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002323/0.8122, allocations: 1.224 MB / 1.605 GB, free: 3.625 MB / 1.295 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001009/0.8132, allocations: 213.8 kB / 1.605 GB, free: 3.414 MB / 1.295 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.495e-05/0.8133, allocations: 68.47 kB / 1.605 GB, free: 3.34 MB / 1.295 GB
Notification: Performance of pre-optimization done (n=222): time 5.391e-06/0.8133, allocations: 4 kB / 1.605 GB, free: 3.336 MB / 1.295 GB
Notification: Performance of matching and sorting (n=226): time 0.6546/1.468, allocations: 6.216 MB / 1.611 GB, free: 279.3 MB / 1.295 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.514e-05/1.468, allocations: 101.7 kB / 1.611 GB, free: 279.2 MB / 1.295 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002213/1.47, allocations: 1.236 MB / 1.612 GB, free: 278.7 MB / 1.295 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003892/1.471, allocations: 70.25 kB / 1.612 GB, free: 278.7 MB / 1.295 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005853/1.471, allocations: 0.8105 MB / 1.613 GB, free: 278.1 MB / 1.295 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007508/1.472, allocations: 0.8087 MB / 1.614 GB, free: 277.6 MB / 1.295 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006411/1.473, allocations: 379.3 kB / 1.614 GB, free: 277.4 MB / 1.295 GB
Notification: Performance of setup shared object (initialization): time 4.214e-05/1.473, allocations: 302.1 kB / 1.615 GB, free: 277.1 MB / 1.295 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001554/1.474, allocations: 0.9129 MB / 1.615 GB, free: 276.8 MB / 1.295 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00179/1.476, allocations: 1.274 MB / 1.617 GB, free: 276.1 MB / 1.295 GB
Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: bouA.dynBal.medium.p = bouA.dynBal.p_start (bou.p = bouA.dynBal.p_start)
Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: bouADis.dynBal.medium.p = bouADis.dynBal.p_start (bouDis.p = bouADis.dynBal.p_start)
Notification: Performance of analyzeInitialSystem (initialization): time 0.0864/1.562, allocations: 11.81 MB / 1.628 GB, free: 274 MB / 1.295 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.978e-05/1.562, allocations: 1.312 kB / 1.628 GB, free: 274 MB / 1.295 GB
Notification: Performance of matching and sorting (n=275) (initialization): time 0.009799/1.572, allocations: 2.54 MB / 1.631 GB, free: 273 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 4.822e-05/1.572, allocations: 6.438 kB / 1.631 GB, free: 273 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.001e-05/1.572, allocations: 4.844 kB / 1.631 GB, free: 273 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 8.941e-05/1.572, allocations: 18.56 kB / 1.631 GB, free: 273 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003683/1.576, allocations: 454.6 kB / 1.631 GB, free: 273 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.659e-05/1.576, allocations: 19 kB / 1.631 GB, free: 273 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002495/1.579, allocations: 64.94 kB / 1.631 GB, free: 273 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003923/1.579, allocations: 76.84 kB / 1.631 GB, free: 272.9 MB / 1.295 GB
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization system:
         bouA.dynBal.medium.p = bouA.dynBal.p_start
         bouADis.dynBal.medium.p = bouADis.dynBal.p_start.
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 19
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (275):
 * Single equations (assignments): 275
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.001962/1.581, allocations: 0.5771 MB / 1.632 GB, free: 272.6 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001057/1.582, allocations: 205.3 kB / 1.632 GB, free: 272.5 MB / 1.295 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007059/1.589, allocations: 2.528 MB / 1.635 GB, free: 271.5 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.612e-05/1.589, allocations: 22.44 kB / 1.635 GB, free: 271.5 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.116e-05/1.589, allocations: 1.125 kB / 1.635 GB, free: 271.5 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.005284/1.594, allocations: 2.104 MB / 1.637 GB, free: 270.6 MB / 1.295 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01306/1.607, allocations: 4.92 MB / 1.641 GB, free: 268.5 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.657e-05/1.607, allocations: 7.156 kB / 1.641 GB, free: 268.5 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003137/1.611, allocations: 460.5 kB / 1.642 GB, free: 268.5 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 5.308e-05/1.611, allocations: 14.31 kB / 1.642 GB, free: 268.5 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004741/1.611, allocations: 61.27 kB / 1.642 GB, free: 268.4 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.438e-05/1.611, allocations: 18.16 kB / 1.642 GB, free: 268.4 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.009e-05/1.611, allocations: 10.91 kB / 1.642 GB, free: 268.4 MB / 1.295 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00822/1.619, allocations: 3.943 MB / 1.646 GB, free: 265.5 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001948/1.621, allocations: 436.8 kB / 1.646 GB, free: 265.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007678/1.622, allocations: 51.66 kB / 1.646 GB, free: 265 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002645/1.625, allocations: 62.89 kB / 1.646 GB, free: 265 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004712/1.625, allocations: 163.4 kB / 1.646 GB, free: 264.9 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000338/1.626, allocations: 82.89 kB / 1.647 GB, free: 264.8 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001786/1.627, allocations: 0.8367 MB / 1.647 GB, free: 264 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1e-07/1.627, allocations: 0 / 1.647 GB, free: 264 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.003611/1.631, allocations: 0.7022 MB / 1.648 GB, free: 263.4 MB / 1.295 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 26
 * Number of states: 12 (dooDis.mExcAB,dooDis.mExcBA,bouADis.dynBal.medium.Xi[1],bouADis.dynBal.U,bouBDis.dynBal.medium.Xi[1],bouBDis.dynBal.U,bouBDis.dynBal.m,bouA.dynBal.medium.Xi[1],bouA.dynBal.U,bouB.dynBal.medium.Xi[1],bouB.dynBal.U,bouB.dynBal.m)
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (230):
 * Single equations (assignments): 230
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.008884/1.64, allocations: 4.731 MB / 1.653 GB, free: 258.6 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.004724/1.645, allocations: 2.162 MB / 1.655 GB, free: 256.4 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.695e-05/1.645, allocations: 4.547 kB / 1.655 GB, free: 256.4 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.002083/1.647, allocations: 1.092 MB / 1.656 GB, free: 255.3 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007999/1.655, allocations: 1.179 MB / 1.657 GB, free: 254.2 MB / 1.295 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02691/1.682, allocations: 16.46 MB / 1.673 GB, free: 237.3 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001138/1.683, allocations: 1.081 MB / 1.674 GB, free: 236.2 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.00262/1.685, allocations: 0.7839 MB / 1.675 GB, free: 235.4 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001276/1.687, allocations: 0.8391 MB / 1.676 GB, free: 234.6 MB / 1.295 GB
Notification: Performance of SimCode: time 9.71e-07/1.687, allocations: 0.7656 kB / 1.676 GB, free: 234.6 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08899/1.776, allocations: 61.76 MB / 1.736 GB, free: 173.9 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.11/17.88, allocations: 13.81 kB / 1.736 GB, free: 173.9 MB / 1.295 GB
"
[Timeout remaining time 282]
(rm -f Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic.pipe ; mkfifo Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic.pipe ; head -c 1048576 < Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic.pipe >> ../files/Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic_res.mat --tempDir=temp_Buildings_12_Buildings_Airflow_Multizone_Validation_OpenDoorBuoyancyPressureDynamic_fmu --startTime=0 --stopTime=14400 --stepSize=5.76 --timeout=400 --tolerance=1e-08 Buildings_12_Buildings_Airflow_Multizone_Validation_OpenDoorBuoyancyPressureDynamic.fmu > Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Airflow_Multizone_Validation_OpenDoorBuoyancyPressureDynamic.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Airflow.Multizone.Validation.OpenDoorBuoyancyPressureDynamic.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300]
""
[Timeout remaining time 300]
Reference file matches
[Calling sys.exit(0), Time elapsed: 24.86162402003538]