Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.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 0.001888/0.001888, allocations: 99.64 kB / 18.94 MB, free: 2.551 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 0.002385/0.002385, allocations: 215.5 kB / 22.25 MB, free: 4.852 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 1.52/1.52, allocations: 230.6 MB / 256 MB, free: 7.789 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 3.211/3.211, allocations: 0.4892 GB / 0.7943 GB, free: 35.69 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.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanCVF_Subsequences_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanCVF_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 0.002088/0.002088, allocations: 71.89 kB / 1.153 GB, free: 25.81 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3682/0.3703, allocations: 176.1 MB / 1.325 GB, free: 2.363 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow): time 0.003018/0.3733, allocations: 0.9649 MB / 1.326 GB, free: 1.402 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.002011/0.3753, allocations: 1.007 MB / 1.327 GB, free: 392 kB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001648/0.3755, allocations: 0 / 1.327 GB, free: 392 kB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 7.929e-05/0.3756, allocations: 15.75 kB / 1.327 GB, free: 376 kB / 1.014 GB
Notification: Performance of NFTyping.typeBindings: time 0.0001835/0.3758, allocations: 31.78 kB / 1.327 GB, free: 344 kB / 1.014 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0003513/0.3761, allocations: 67.88 kB / 1.327 GB, free: 276 kB / 1.014 GB
Notification: Performance of NFFlatten.flatten: time 0.0002795/0.3764, allocations: 164 kB / 1.327 GB, free: 112 kB / 1.014 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.000242/0.3766, allocations: 68.83 kB / 1.327 GB, free: 40 kB / 1.014 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0003342/0.377, allocations: 75.64 kB / 1.327 GB, free: 15.96 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001657/0.3771, allocations: 67.62 kB / 1.327 GB, free: 15.9 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 4.377e-05/0.3772, allocations: 16 kB / 1.328 GB, free: 15.88 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 8.105e-05/0.3773, allocations: 23.98 kB / 1.328 GB, free: 15.86 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 5.292e-05/0.3773, allocations: 35.86 kB / 1.328 GB, free: 15.82 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 7.832e-05/0.3774, allocations: 59.72 kB / 1.328 GB, free: 15.77 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.0003746/0.3778, allocations: 223 kB / 1.328 GB, free: 15.55 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 5.45e-06/0.3778, allocations: 0 / 1.328 GB, free: 15.55 MB / 1.029 GB
Notification: Performance of FrontEnd: time 3.567e-06/0.3778, allocations: 0 / 1.328 GB, free: 15.55 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 1.577e-05/0.3778, allocations: 0 / 1.328 GB, free: 15.55 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 0.0007746/0.3786, allocations: 381.6 kB / 1.328 GB, free: 15.14 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 4.272e-05/0.3786, allocations: 8.031 kB / 1.328 GB, free: 15.13 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.415e-05/0.3787, allocations: 46.73 kB / 1.328 GB, free: 15.08 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001687/0.3788, allocations: 28.83 kB / 1.328 GB, free: 15.05 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004955/0.3793, allocations: 202.1 kB / 1.328 GB, free: 14.83 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.58e-05/0.3794, allocations: 8.375 kB / 1.328 GB, free: 14.82 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 3.134e-05/0.3794, allocations: 16.38 kB / 1.329 GB, free: 14.8 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003629/0.3798, allocations: 150 kB / 1.329 GB, free: 14.65 MB / 1.029 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.285e-05/0.3798, allocations: 3.938 kB / 1.329 GB, free: 14.65 MB / 1.029 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.003e-05/0.3798, allocations: 4 kB / 1.329 GB, free: 14.64 MB / 1.029 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.454e-06/0.3798, allocations: 4 kB / 1.329 GB, free: 14.64 MB / 1.029 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003582/0.3802, allocations: 115.9 kB / 1.329 GB, free: 14.53 MB / 1.029 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009199/0.3811, allocations: 423.3 kB / 1.329 GB, free: 14.07 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003422/0.3814, allocations: 106.7 kB / 1.329 GB, free: 13.96 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001602/0.3816, allocations: 56.75 kB / 1.329 GB, free: 13.9 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.521e-05/0.3816, allocations: 4 kB / 1.329 GB, free: 13.89 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.264e-05/0.3816, allocations: 34.56 kB / 1.329 GB, free: 13.85 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=12): time 1.663e-06/0.3816, allocations: 0 / 1.329 GB, free: 13.85 MB / 1.029 GB
Notification: Performance of matching and sorting (n=12): time 0.000593/0.3822, allocations: 169.5 kB / 1.33 GB, free: 13.68 MB / 1.029 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.781e-05/0.3823, allocations: 59.39 kB / 1.33 GB, free: 13.61 MB / 1.029 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000162/0.3824, allocations: 159.4 kB / 1.33 GB, free: 13.44 MB / 1.029 GB
Notification: Performance of collectPreVariables (initialization): time 2.332e-05/0.3825, allocations: 29.7 kB / 1.33 GB, free: 13.4 MB / 1.029 GB
Notification: Performance of collectInitialEqns (initialization): time 8.534e-05/0.3826, allocations: 116.4 kB / 1.33 GB, free: 13.28 MB / 1.029 GB
Notification: Performance of collectInitialBindings (initialization): time 3.794e-05/0.3826, allocations: 27.75 kB / 1.33 GB, free: 13.25 MB / 1.029 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 7.126e-05/0.3827, allocations: 53.64 kB / 1.33 GB, free: 13.2 MB / 1.029 GB
Notification: Performance of setup shared object (initialization): time 0.0001502/0.3828, allocations: 322.8 kB / 1.33 GB, free: 12.87 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001622/0.383, allocations: 47.84 kB / 1.33 GB, free: 12.82 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001806/0.3832, allocations: 77.72 kB / 1.33 GB, free: 12.74 MB / 1.029 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002905/0.3834, allocations: 119.6 kB / 1.33 GB, free: 12.61 MB / 1.029 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.933e-06/0.3834, allocations: 4 kB / 1.33 GB, free: 12.61 MB / 1.029 GB
Notification: Performance of matching and sorting (n=15) (initialization): time 0.0003656/0.3838, allocations: 145.5 kB / 1.331 GB, free: 12.46 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 1.604e-05/0.3838, allocations: 5.875 kB / 1.331 GB, free: 12.45 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.789e-06/0.3838, allocations: 0 / 1.331 GB, free: 12.45 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.647e-05/0.3838, allocations: 4 kB / 1.331 GB, free: 12.45 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001672/0.384, allocations: 32 kB / 1.331 GB, free: 12.42 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.612e-06/0.384, allocations: 7.938 kB / 1.331 GB, free: 12.41 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.977e-05/0.3841, allocations: 19.94 kB / 1.331 GB, free: 12.39 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.169e-05/0.3841, allocations: 4 kB / 1.331 GB, free: 12.39 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 0.0001299/0.3843, allocations: 128.2 kB / 1.331 GB, free: 12.25 MB / 1.029 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 3.27e-05/0.3843, allocations: 7.953 kB / 1.331 GB, free: 12.25 MB / 1.029 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.443e-05/0.3843, allocations: 20.7 kB / 1.331 GB, free: 12.22 MB / 1.029 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.064e-06/0.3843, allocations: 0 / 1.331 GB, free: 12.22 MB / 1.029 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.158e-06/0.3843, allocations: 4 kB / 1.331 GB, free: 12.22 MB / 1.029 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.221e-06/0.3844, allocations: 4 kB / 1.331 GB, free: 12.21 MB / 1.029 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002573/0.3846, allocations: 204.5 kB / 1.331 GB, free: 11.97 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.393e-06/0.3846, allocations: 0 / 1.331 GB, free: 11.97 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001261/0.3847, allocations: 23.92 kB / 1.331 GB, free: 11.95 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.194e-06/0.3847, allocations: 0 / 1.331 GB, free: 11.95 MB / 1.029 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.093e-05/0.3848, allocations: 0 / 1.331 GB, free: 11.95 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.813e-06/0.3848, allocations: 0 / 1.331 GB, free: 11.95 MB / 1.029 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.858e-06/0.3848, allocations: 3.984 kB / 1.331 GB, free: 11.95 MB / 1.029 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004107/0.3852, allocations: 239.3 kB / 1.331 GB, free: 11.7 MB / 1.029 GB
Notification: Performance of postOpt removeConstants (simulation): time 2.048e-05/0.3852, allocations: 11.91 kB / 1.331 GB, free: 11.68 MB / 1.029 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.233e-05/0.3852, allocations: 4 kB / 1.331 GB, free: 11.68 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001103/0.3853, allocations: 7.984 kB / 1.331 GB, free: 11.67 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 7.028e-05/0.3854, allocations: 15.98 kB / 1.331 GB, free: 11.66 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.25e-05/0.3854, allocations: 11.98 kB / 1.331 GB, free: 11.64 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 8.811e-05/0.3855, allocations: 113.5 kB / 1.331 GB, free: 11.54 MB / 1.029 GB
Notification: Performance of sort global known variables: time 7e-08/0.3855, allocations: 0 / 1.331 GB, free: 11.54 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.0002556/0.3857, allocations: 31.83 kB / 1.331 GB, free: 11.5 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 0.0007198/0.3865, allocations: 0.7709 MB / 1.332 GB, free: 10.71 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.0003877/0.3869, allocations: 111.8 kB / 1.332 GB, free: 10.6 MB / 1.029 GB
Notification: Performance of simCode: created event and clocks part: time 2.074e-06/0.3869, allocations: 0 / 1.332 GB, free: 10.6 MB / 1.029 GB
Notification: Performance of simCode: created simulation system equations: time 0.0001572/0.387, allocations: 60.09 kB / 1.332 GB, free: 10.54 MB / 1.029 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003353/0.3873, allocations: 23.86 kB / 1.332 GB, free: 10.52 MB / 1.029 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002358/0.3897, allocations: 1.742 MB / 1.334 GB, free: 8.676 MB / 1.029 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001095/0.3898, allocations: 103.2 kB / 1.334 GB, free: 8.555 MB / 1.029 GB
Notification: Performance of simCode: alias equations: time 9.18e-05/0.3899, allocations: 25 kB / 1.334 GB, free: 8.531 MB / 1.029 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001039/0.39, allocations: 51.41 kB / 1.334 GB, free: 8.48 MB / 1.029 GB
Notification: Performance of SimCode: time 4.31e-07/0.39, allocations: 0 / 1.334 GB, free: 8.48 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03025/0.4203, allocations: 3.322 MB / 1.338 GB, free: 5.348 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate platform static: time 11.47/11.89, allocations: 10.42 kB / 1.338 GB, free: 5.344 MB / 1.029 GB
"
[Timeout remaining time 288]
(rm -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow_res.mat --tempDir=temp_Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanCVF_Subsequences_Validation_ActiveAirFlow_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanCVF_Subsequences_Validation_ActiveAirFlow.fmu > Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.Subsequences.Validation.ActiveAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanCVF_Subsequences_Validation_ActiveAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanCVF.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: 18.69286495214328]