Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed.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 0.001693/0.001693, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.002393/0.002393, allocations: 215.2 kB / 22.24 MB, free: 5.262 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 1.502/1.502, allocations: 230.6 MB / 256 MB, free: 7.805 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.783/2.783, allocations: 476 MB / 0.77 GB, free: 4.742 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.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.HeatTransfer.Convection.Validation.ZeroWindSpeed,fileNamePrefix="Buildings_11_Buildings_HeatTransfer_Convection_Validation_ZeroWindSpeed",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed,fileNamePrefix="Buildings_11_Buildings_HeatTransfer_Convection_Validation_ZeroWindSpeed",fmuType="me",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 0.002209/0.002209, allocations: 69.3 kB / 1.117 GB, free: 41.13 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3441/0.3463, allocations: 170 MB / 1.283 GB, free: 12.43 MB / 0.9825 GB
Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed): time 0.004526/0.3509, allocations: 2.548 MB / 1.285 GB, free: 9.879 MB / 0.9825 GB
Notification: Performance of NFInst.instExpressions: time 0.003396/0.3543, allocations: 1.729 MB / 1.287 GB, free: 8.141 MB / 0.9825 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001932/0.3544, allocations: 4 kB / 1.287 GB, free: 8.137 MB / 0.9825 GB
Notification: Performance of NFTyping.typeComponents: time 0.000122/0.3546, allocations: 47.45 kB / 1.287 GB, free: 8.09 MB / 0.9825 GB
Notification: Performance of NFTyping.typeBindings: time 0.0005451/0.3551, allocations: 155.7 kB / 1.287 GB, free: 7.938 MB / 0.9825 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0009929/0.3561, allocations: 397.5 kB / 1.287 GB, free: 7.551 MB / 0.9825 GB
Notification: Performance of NFFlatten.flatten: time 0.0008046/0.3569, allocations: 0.4983 MB / 1.288 GB, free: 7.051 MB / 0.9825 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0002427/0.3572, allocations: 101.6 kB / 1.288 GB, free: 6.945 MB / 0.9825 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0003914/0.3575, allocations: 239.2 kB / 1.288 GB, free: 6.711 MB / 0.9825 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0002274/0.3578, allocations: 155.2 kB / 1.288 GB, free: 6.559 MB / 0.9825 GB
Notification: Performance of NFPackage.collectConstants: time 4.702e-05/0.3578, allocations: 28 kB / 1.288 GB, free: 6.531 MB / 0.9825 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0007476/0.3586, allocations: 435.4 kB / 1.289 GB, free: 6.105 MB / 0.9825 GB
Notification: Performance of NFScalarize.scalarize: time 7.584e-05/0.3586, allocations: 79.69 kB / 1.289 GB, free: 6.027 MB / 0.9825 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001731/0.3588, allocations: 155.3 kB / 1.289 GB, free: 5.875 MB / 0.9825 GB
Notification: Performance of NFConvertDAE.convert: time 0.000784/0.3596, allocations: 0.55 MB / 1.289 GB, free: 5.328 MB / 0.9825 GB
Notification: Performance of FrontEnd - DAE generated: time 6.522e-06/0.3596, allocations: 4 kB / 1.289 GB, free: 5.324 MB / 0.9825 GB
Notification: Performance of FrontEnd: time 1.333e-06/0.3596, allocations: 0 / 1.289 GB, free: 5.324 MB / 0.9825 GB
Notification: Performance of Transformations before backend: time 1.184e-05/0.3596, allocations: 0 / 1.289 GB, free: 5.324 MB / 0.9825 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 75
 * Number of variables: 75
Notification: Performance of Generate backend data structure: time 0.001119/0.3607, allocations: 0.6448 MB / 1.29 GB, free: 4.648 MB / 0.9825 GB
Notification: Performance of prepare preOptimizeDAE: time 4.253e-05/0.3608, allocations: 16.03 kB / 1.29 GB, free: 4.633 MB / 0.9825 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.57e-05/0.3609, allocations: 66.72 kB / 1.29 GB, free: 4.559 MB / 0.9825 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008526/0.3617, allocations: 120.5 kB / 1.29 GB, free: 4.441 MB / 0.9825 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005028/0.3622, allocations: 253.2 kB / 1.291 GB, free: 4.172 MB / 0.9825 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.68e-05/0.3622, allocations: 25.03 kB / 1.291 GB, free: 4.148 MB / 0.9825 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 5.569e-05/0.3623, allocations: 28.38 kB / 1.291 GB, free: 4.121 MB / 0.9825 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007547/0.3631, allocations: 326 kB / 1.291 GB, free: 3.797 MB / 0.9825 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.338e-05/0.3631, allocations: 0 / 1.291 GB, free: 3.797 MB / 0.9825 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.135e-05/0.3631, allocations: 12 kB / 1.291 GB, free: 3.785 MB / 0.9825 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.326e-06/0.3631, allocations: 8 kB / 1.291 GB, free: 3.777 MB / 0.9825 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008336/0.3639, allocations: 286.4 kB / 1.291 GB, free: 3.496 MB / 0.9825 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001781/0.3657, allocations: 0.7885 MB / 1.292 GB, free: 2.66 MB / 0.9825 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0009225/0.3666, allocations: 282.5 kB / 1.292 GB, free: 2.375 MB / 0.9825 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003682/0.367, allocations: 126 kB / 1.292 GB, free: 2.25 MB / 0.9825 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000128/0.3671, allocations: 11.98 kB / 1.292 GB, free: 2.238 MB / 0.9825 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.522e-05/0.3672, allocations: 34.56 kB / 1.292 GB, free: 2.195 MB / 0.9825 GB
Notification: Performance of pre-optimization done (n=25): time 1.954e-06/0.3672, allocations: 0 / 1.292 GB, free: 2.195 MB / 0.9825 GB
Notification: Performance of matching and sorting (n=25): time 0.00139/0.3686, allocations: 394.8 kB / 1.293 GB, free: 1.805 MB / 0.9825 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.741e-05/0.3686, allocations: 59.34 kB / 1.293 GB, free: 1.734 MB / 0.9825 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004187/0.369, allocations: 329.7 kB / 1.293 GB, free: 1.402 MB / 0.9825 GB
Notification: Performance of collectPreVariables (initialization): time 4.048e-05/0.3691, allocations: 29.7 kB / 1.293 GB, free: 1.367 MB / 0.9825 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000172/0.3693, allocations: 188.7 kB / 1.293 GB, free: 1.176 MB / 0.9825 GB
Notification: Performance of collectInitialBindings (initialization): time 9.185e-05/0.3693, allocations: 87.62 kB / 1.293 GB, free: 1.09 MB / 0.9825 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001257/0.3695, allocations: 61.95 kB / 1.294 GB, free: 1.02 MB / 0.9825 GB
Notification: Performance of setup shared object (initialization): time 0.0001836/0.3697, allocations: 342.8 kB / 1.294 GB, free: 0.6758 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003707/0.37, allocations: 108.5 kB / 1.294 GB, free: 0.5703 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003426/0.3704, allocations: 101 kB / 1.294 GB, free: 484 kB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0007206/0.3711, allocations: 234.9 kB / 1.294 GB, free: 248 kB / 0.9825 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.227e-06/0.3711, allocations: 4 kB / 1.294 GB, free: 244 kB / 0.9825 GB
Notification: Performance of matching and sorting (n=33) (initialization): time 0.0009925/0.3721, allocations: 341.9 kB / 1.295 GB, free: 15.9 MB / 0.9981 GB
Notification: Performance of prepare postOptimizeDAE: time 2.105e-05/0.3721, allocations: 12 kB / 1.295 GB, free: 15.89 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.252e-06/0.3721, allocations: 0 / 1.295 GB, free: 15.89 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.928e-05/0.3721, allocations: 0 / 1.295 GB, free: 15.89 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000418/0.3726, allocations: 71.92 kB / 1.295 GB, free: 15.82 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.442e-05/0.3726, allocations: 11.88 kB / 1.295 GB, free: 15.8 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003267/0.3729, allocations: 43.72 kB / 1.295 GB, free: 15.76 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.07e-05/0.3729, allocations: 15.98 kB / 1.295 GB, free: 15.75 MB / 0.9981 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 1
 * 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 (33):
 * Single equations (assignments): 33
 * 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 0.0001974/0.3731, allocations: 137.8 kB / 1.295 GB, free: 15.6 MB / 0.9981 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001429/0.3733, allocations: 39.77 kB / 1.295 GB, free: 15.56 MB / 0.9981 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001093/0.3744, allocations: 370.7 kB / 1.295 GB, free: 15.18 MB / 0.9981 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.819e-06/0.3744, allocations: 0 / 1.295 GB, free: 15.18 MB / 0.9981 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.859e-06/0.3744, allocations: 0 / 1.295 GB, free: 15.18 MB / 0.9981 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.913e-06/0.3744, allocations: 3.938 kB / 1.295 GB, free: 15.18 MB / 0.9981 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004205/0.3748, allocations: 288.5 kB / 1.296 GB, free: 14.86 MB / 0.9981 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.965e-06/0.3748, allocations: 8 kB / 1.296 GB, free: 14.85 MB / 0.9981 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003269/0.3751, allocations: 55.88 kB / 1.296 GB, free: 14.79 MB / 0.9981 GB
Notification: Performance of postOpt tearingSystem (simulation): time 4.318e-06/0.3752, allocations: 3.938 kB / 1.296 GB, free: 14.79 MB / 0.9981 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.488e-05/0.3752, allocations: 11.98 kB / 1.296 GB, free: 14.78 MB / 0.9981 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.507e-06/0.3752, allocations: 0 / 1.296 GB, free: 14.78 MB / 0.9981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.733e-06/0.3752, allocations: 0 / 1.296 GB, free: 14.78 MB / 0.9981 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008562/0.376, allocations: 296.6 kB / 1.296 GB, free: 14.47 MB / 0.9981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001553/0.3762, allocations: 63.66 kB / 1.296 GB, free: 14.41 MB / 0.9981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.053e-05/0.3762, allocations: 0 / 1.296 GB, free: 14.41 MB / 0.9981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002474/0.3765, allocations: 23.97 kB / 1.296 GB, free: 14.38 MB / 0.9981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.598e-05/0.3765, allocations: 11.98 kB / 1.296 GB, free: 14.37 MB / 0.9981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.5e-05/0.3766, allocations: 15.92 kB / 1.296 GB, free: 14.36 MB / 0.9981 GB
Notification: Performance of sorting global known variables: time 0.0003015/0.3769, allocations: 243.2 kB / 1.296 GB, free: 14.12 MB / 0.9981 GB
Notification: Performance of sort global known variables: time 7e-08/0.3769, allocations: 0 / 1.296 GB, free: 14.12 MB / 0.9981 GB
Notification: Performance of remove unused functions: time 0.0004091/0.3773, allocations: 111.8 kB / 1.296 GB, free: 14.01 MB / 0.9981 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * 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 simulation (21):
 * Single equations (assignments): 21
 * 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 0.001373/0.3787, allocations: 0.8759 MB / 1.297 GB, free: 13.11 MB / 0.9981 GB
Notification: Performance of simCode: created initialization part: time 0.0008706/0.3795, allocations: 235.7 kB / 1.297 GB, free: 12.88 MB / 0.9981 GB
Notification: Performance of simCode: created event and clocks part: time 2.926e-06/0.3795, allocations: 0 / 1.297 GB, free: 12.88 MB / 0.9981 GB
Notification: Performance of simCode: created simulation system equations: time 0.000358/0.3799, allocations: 111.8 kB / 1.298 GB, free: 12.77 MB / 0.9981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007006/0.3806, allocations: 117.3 kB / 1.298 GB, free: 12.66 MB / 0.9981 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005913/0.3865, allocations: 3.022 MB / 1.301 GB, free: 9.551 MB / 0.9981 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001936/0.3867, allocations: 177 kB / 1.301 GB, free: 9.355 MB / 0.9981 GB
Notification: Performance of simCode: alias equations: time 0.0003596/0.3871, allocations: 79.11 kB / 1.301 GB, free: 9.281 MB / 0.9981 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002418/0.3873, allocations: 111.4 kB / 1.301 GB, free: 9.172 MB / 0.9981 GB
Notification: Performance of SimCode: time 1.834e-06/0.3873, allocations: 3.938 kB / 1.301 GB, free: 9.168 MB / 0.9981 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04665/0.4339, allocations: 9.921 MB / 1.311 GB, free: 15.5 MB / 1.014 GB
Notification: Performance of buildModelFMU: Generate platform static: time 12.16/12.59, allocations: 6.906 kB / 1.311 GB, free: 15.5 MB / 1.014 GB
"
[Timeout remaining time 287]
(rm -f Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed.pipe ; mkfifo Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed.pipe ; head -c 1048576 < Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed.pipe >> ../files/Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed.sim & python3 -m fmpy simulate  --output-file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv --start-time 0 --stop-time 3600 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 Buildings_11_Buildings_HeatTransfer_Convection_Validation_ZeroWindSpeed.fmu > Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_HeatTransfer_Convection_Validation_ZeroWindSpeed.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300]
"Error: Could not read variable nor.q_flow in file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv.
Warning: Get data of variable nor.q_flow from file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv failed!
Error: Could not read variable wes.q_flow in file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv.
Warning: Get data of variable wes.q_flow from file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv failed!
Error: Could not read variable sou.q_flow in file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv.
Warning: Get data of variable sou.q_flow from file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv failed!
Error: Could not read variable eas.q_flow in file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv.
Warning: Get data of variable eas.q_flow from file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv failed!
Error: Could not read variable nor.dir in file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv.
Warning: Get data of variable nor.dir from file Buildings_11_Buildings.HeatTransfer.Convection.Validation.ZeroWindSpeed_res.csv failed!
"
[Timeout remaining time 300]
Reference file matches
[Calling sys.exit(0), Time elapsed: 19.568013034760952]