Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow.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 0.001726/0.001726, allocations: 99.75 kB / 18.94 MB, free: 2.832 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 0.002129/0.002129, allocations: 217.5 kB / 22.25 MB, free: 5.105 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 1.458/1.458, allocations: 230.6 MB / 256 MB, free: 7.832 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 3.147/3.147, allocations: 0.49 GB / 0.7951 GB, free: 35.59 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.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_ActiveAirFlow",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 0.002108/0.002108, allocations: 71.12 kB / 1.154 GB, free: 25.5 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3491/0.3512, allocations: 176.1 MB / 1.326 GB, free: 1.559 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow): time 0.002336/0.3535, allocations: 0.9712 MB / 1.327 GB, free: 0.5938 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.001435/0.3549, allocations: 1.003 MB / 1.328 GB, free: 15.58 MB / 1.029 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.000101/0.355, allocations: 4 kB / 1.328 GB, free: 15.57 MB / 1.029 GB
Notification: Performance of NFTyping.typeComponents: time 5.447e-05/0.3551, allocations: 15.8 kB / 1.328 GB, free: 15.56 MB / 1.029 GB
Notification: Performance of NFTyping.typeBindings: time 0.0001227/0.3552, allocations: 27.73 kB / 1.328 GB, free: 15.53 MB / 1.029 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0002399/0.3555, allocations: 59.94 kB / 1.328 GB, free: 15.47 MB / 1.029 GB
Notification: Performance of NFFlatten.flatten: time 0.0001882/0.3556, allocations: 164 kB / 1.328 GB, free: 15.31 MB / 1.029 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001752/0.3558, allocations: 72.81 kB / 1.328 GB, free: 15.24 MB / 1.029 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001943/0.356, allocations: 83.64 kB / 1.328 GB, free: 15.16 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001116/0.3561, allocations: 79.62 kB / 1.328 GB, free: 15.08 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 2.947e-05/0.3562, allocations: 16 kB / 1.328 GB, free: 15.06 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 5.163e-05/0.3562, allocations: 24 kB / 1.328 GB, free: 15.04 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 3.821e-05/0.3562, allocations: 31.92 kB / 1.328 GB, free: 15.01 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 6.826e-05/0.3563, allocations: 63.59 kB / 1.328 GB, free: 14.95 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.0002663/0.3566, allocations: 215.1 kB / 1.329 GB, free: 14.73 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 3.977e-06/0.3566, allocations: 0 / 1.329 GB, free: 14.73 MB / 1.029 GB
Notification: Performance of FrontEnd: time 1.804e-06/0.3566, allocations: 0 / 1.329 GB, free: 14.73 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 5.891e-06/0.3566, allocations: 0 / 1.329 GB, free: 14.73 MB / 1.029 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 35
 * Number of variables: 35
Notification: Performance of Generate backend data structure: time 0.0006447/0.3572, allocations: 381.5 kB / 1.329 GB, free: 14.33 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 3.71e-05/0.3573, allocations: 16.03 kB / 1.329 GB, free: 14.31 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.023e-05/0.3573, allocations: 54.73 kB / 1.329 GB, free: 14.25 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001456/0.3575, allocations: 24.83 kB / 1.329 GB, free: 14.23 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004217/0.3579, allocations: 194.2 kB / 1.329 GB, free: 14.01 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.329e-05/0.3579, allocations: 12.38 kB / 1.329 GB, free: 14 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 2.243e-05/0.358, allocations: 12.38 kB / 1.329 GB, free: 13.99 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003337/0.3583, allocations: 150 kB / 1.329 GB, free: 13.84 MB / 1.029 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.082e-05/0.3583, allocations: 3.938 kB / 1.329 GB, free: 13.83 MB / 1.029 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.786e-05/0.3583, allocations: 8 kB / 1.329 GB, free: 13.82 MB / 1.029 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.482e-06/0.3583, allocations: 4 kB / 1.329 GB, free: 13.82 MB / 1.029 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003573/0.3587, allocations: 119.8 kB / 1.33 GB, free: 13.7 MB / 1.029 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006589/0.3593, allocations: 411.4 kB / 1.33 GB, free: 13.26 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003056/0.3596, allocations: 114.6 kB / 1.33 GB, free: 13.14 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00016/0.3598, allocations: 52.77 kB / 1.33 GB, free: 13.08 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.997e-05/0.3598, allocations: 0 / 1.33 GB, free: 13.08 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.101e-05/0.3599, allocations: 38.56 kB / 1.33 GB, free: 13.04 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=12): time 9.71e-07/0.3599, allocations: 0 / 1.33 GB, free: 13.04 MB / 1.029 GB
Notification: Performance of matching and sorting (n=12): time 0.0005411/0.3604, allocations: 165.5 kB / 1.33 GB, free: 12.87 MB / 1.029 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.461e-05/0.3604, allocations: 55.41 kB / 1.33 GB, free: 12.8 MB / 1.029 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001566/0.3606, allocations: 172.1 kB / 1.331 GB, free: 12.62 MB / 1.029 GB
Notification: Performance of collectPreVariables (initialization): time 2.03e-05/0.3606, allocations: 25.7 kB / 1.331 GB, free: 12.59 MB / 1.029 GB
Notification: Performance of collectInitialEqns (initialization): time 8.039e-05/0.3607, allocations: 120.4 kB / 1.331 GB, free: 12.46 MB / 1.029 GB
Notification: Performance of collectInitialBindings (initialization): time 3.44e-05/0.3607, allocations: 31.73 kB / 1.331 GB, free: 12.43 MB / 1.029 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 7.115e-05/0.3608, allocations: 41.66 kB / 1.331 GB, free: 12.38 MB / 1.029 GB
Notification: Performance of setup shared object (initialization): time 0.0001523/0.361, allocations: 326.8 kB / 1.331 GB, free: 12.05 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001515/0.3611, allocations: 47.91 kB / 1.331 GB, free: 12.01 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002045/0.3613, allocations: 71.39 kB / 1.331 GB, free: 11.93 MB / 1.029 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002982/0.3616, allocations: 111.3 kB / 1.331 GB, free: 11.8 MB / 1.029 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.623e-06/0.3616, allocations: 0 / 1.331 GB, free: 11.8 MB / 1.029 GB
Notification: Performance of matching and sorting (n=15) (initialization): time 0.0003722/0.362, allocations: 153.5 kB / 1.331 GB, free: 11.65 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 1.674e-05/0.362, allocations: 8 kB / 1.331 GB, free: 11.64 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.188e-06/0.362, allocations: 0 / 1.331 GB, free: 11.64 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.318e-05/0.362, allocations: 0 / 1.331 GB, free: 11.64 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001622/0.3622, allocations: 27.92 kB / 1.331 GB, free: 11.61 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.031e-05/0.3622, allocations: 11.92 kB / 1.331 GB, free: 11.6 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001143/0.3623, allocations: 11.95 kB / 1.331 GB, free: 11.59 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.419e-05/0.3623, allocations: 4 kB / 1.331 GB, free: 11.59 MB / 1.029 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * Number of states: 0 ()
 * Number of discrete variables: 9 (reaToInt2.y,actAirSet.or2.y,actAirSet.ifSetUp.y,actAirSet.ifCooDow.y,actAirSet.ifOcc.y,actAirSet.or3.y,actAirSet.setUpMod.y,actAirSet.cooDowMod.y,actAirSet.occMod.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (15):
 * Single equations (assignments): 15
 * 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 0.000133/0.3625, allocations: 144.1 kB / 1.332 GB, free: 11.44 MB / 1.029 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 3.782e-05/0.3625, allocations: 11.94 kB / 1.332 GB, free: 11.43 MB / 1.029 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.012e-05/0.3625, allocations: 16.72 kB / 1.332 GB, free: 11.41 MB / 1.029 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.244e-06/0.3625, allocations: 0 / 1.332 GB, free: 11.41 MB / 1.029 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.358e-06/0.3625, allocations: 0 / 1.332 GB, free: 11.41 MB / 1.029 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.625e-06/0.3625, allocations: 0 / 1.332 GB, free: 11.41 MB / 1.029 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002577/0.3628, allocations: 204.5 kB / 1.332 GB, free: 11.16 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.072e-06/0.3628, allocations: 3.938 kB / 1.332 GB, free: 11.16 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001306/0.3629, allocations: 19.97 kB / 1.332 GB, free: 11.14 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.044e-06/0.3629, allocations: 0 / 1.332 GB, free: 11.14 MB / 1.029 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.27e-05/0.3629, allocations: 12 kB / 1.332 GB, free: 11.13 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.246e-06/0.363, allocations: 4 kB / 1.332 GB, free: 11.12 MB / 1.029 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.032e-06/0.363, allocations: 0 / 1.332 GB, free: 11.12 MB / 1.029 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004047/0.3634, allocations: 231.9 kB / 1.332 GB, free: 10.88 MB / 1.029 GB
Notification: Performance of postOpt removeConstants (simulation): time 2.252e-05/0.3634, allocations: 11.91 kB / 1.332 GB, free: 10.87 MB / 1.029 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.413e-05/0.3634, allocations: 4 kB / 1.332 GB, free: 10.87 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001171/0.3635, allocations: 11.98 kB / 1.332 GB, free: 10.86 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 6.806e-05/0.3636, allocations: 19.91 kB / 1.332 GB, free: 10.84 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.004e-05/0.3636, allocations: 8 kB / 1.332 GB, free: 10.83 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 9.351e-05/0.3637, allocations: 113.2 kB / 1.332 GB, free: 10.72 MB / 1.029 GB
Notification: Performance of sort global known variables: time 9e-08/0.3637, allocations: 0 / 1.332 GB, free: 10.72 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.0002578/0.364, allocations: 31.89 kB / 1.332 GB, free: 10.69 MB / 1.029 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 6 (actAirSet.or3.y,actAirSet.ifOcc.y,actAirSet.ifCooDow.y,actAirSet.ifSetUp.y,actAirSet.or2.y,reaToInt2.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (12):
 * Single equations (assignments): 12
 * 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 0.000772/0.3647, allocations: 0.7671 MB / 1.333 GB, free: 9.895 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.0003744/0.3651, allocations: 111.9 kB / 1.333 GB, free: 9.785 MB / 1.029 GB
Notification: Performance of simCode: created event and clocks part: time 2.234e-06/0.3651, allocations: 0 / 1.333 GB, free: 9.785 MB / 1.029 GB
Notification: Performance of simCode: created simulation system equations: time 0.0001603/0.3653, allocations: 55.89 kB / 1.333 GB, free: 9.73 MB / 1.029 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003833/0.3656, allocations: 28.72 kB / 1.333 GB, free: 9.707 MB / 1.029 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002562/0.3682, allocations: 1.747 MB / 1.335 GB, free: 7.859 MB / 1.029 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001088/0.3683, allocations: 103.2 kB / 1.335 GB, free: 7.738 MB / 1.029 GB
Notification: Performance of simCode: alias equations: time 8.397e-05/0.3684, allocations: 17.08 kB / 1.335 GB, free: 7.723 MB / 1.029 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001079/0.3685, allocations: 55.36 kB / 1.335 GB, free: 7.668 MB / 1.029 GB
Notification: Performance of SimCode: time 5.71e-07/0.3685, allocations: 0 / 1.335 GB, free: 7.668 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02926/0.3978, allocations: 3.35 MB / 1.338 GB, free: 4.504 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate platform static: time 11.34/11.74, allocations: 7.297 kB / 1.338 GB, free: 4.5 MB / 1.029 GB
"
[Timeout remaining time 288]
(rm -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow_res.mat --tempDir=temp_Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_ActiveAirFlow_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_ActiveAirFlow.fmu > Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.ActiveAirFlow.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: 18.430467847996624]