Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas.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 0.001454/0.001454, allocations: 114.7 kB / 19.17 MB, free: 3.891 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 0.001595/0.001595, allocations: 203.8 kB / 22.11 MB, free: 0.9531 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.268/1.268, allocations: 207.6 MB / 232.5 MB, free: 11.5 MB / 190.1 MB " [Timeout remaining time 179] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas,fileNamePrefix="Modelica_3_2_3_Modelica_Media_Examples_Tests_MediaTestModels_IdealGases_SimpleNaturalGas",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas,fileNamePrefix="Modelica_3_2_3_Modelica_Media_Examples_Tests_MediaTestModels_IdealGases_SimpleNaturalGas",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001638/0.001638, allocations: 59.92 kB / 343 MB, free: 12.23 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2256/0.2273, allocations: 49.13 MB / 392.2 MB, free: 8.688 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas): time 0.1871/0.4143, allocations: 176.1 MB / 0.5549 GB, free: 3.641 MB / 478.1 MB Notification: Performance of NFInst.instExpressions: time 0.2122/0.6265, allocations: 3.834 MB / 0.5587 GB, free: 1.781 MB / 478.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003151/0.6269, allocations: 7.875 kB / 0.5587 GB, free: 1.781 MB / 478.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0007404/0.6276, allocations: 253.6 kB / 0.5589 GB, free: 1.781 MB / 478.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0006328/0.6282, allocations: 367.3 kB / 0.5593 GB, free: 1.781 MB / 478.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00128/0.6295, allocations: 0.549 MB / 0.5598 GB, free: 1.773 MB / 478.1 MB Notification: Performance of NFFlatten.flatten: time 0.001133/0.6306, allocations: 1.093 MB / 0.5609 GB, free: 1.773 MB / 478.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003126/0.631, allocations: 226.5 kB / 0.5611 GB, free: 1.754 MB / 478.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002554/0.6335, allocations: 1.308 MB / 0.5624 GB, free: 1.75 MB / 478.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0005426/0.6341, allocations: 429.8 kB / 0.5628 GB, free: 1.75 MB / 478.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001097/0.6342, allocations: 65.75 kB / 0.5628 GB, free: 1.75 MB / 478.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001017/0.6352, allocations: 0.4923 MB / 0.5633 GB, free: 1.75 MB / 478.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0003843/0.6356, allocations: 444 kB / 0.5637 GB, free: 1.75 MB / 478.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0005117/0.6361, allocations: 0.4886 MB / 0.5642 GB, free: 1.75 MB / 478.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001428/0.6375, allocations: 1.539 MB / 0.5657 GB, free: 1.684 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.196e-06/0.6375, allocations: 1.844 kB / 0.5657 GB, free: 1.684 MB / 478.1 MB Notification: Performance of FrontEnd: time 1.633e-06/0.6375, allocations: 0 / 0.5657 GB, free: 1.684 MB / 478.1 MB Notification: Performance of Transformations before backend: time 1.12e-05/0.6375, allocations: 4.188 kB / 0.5657 GB, free: 1.684 MB / 478.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 177 * Number of variables: 177 Notification: Performance of Generate backend data structure: time 0.001754/0.6393, allocations: 1.08 MB / 0.5668 GB, free: 17.1 MB / 494.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.771e-05/0.6393, allocations: 9.375 kB / 0.5668 GB, free: 17.1 MB / 494.1 MB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 3.07e-05/0.6393, allocations: 20.19 kB / 0.5668 GB, free: 17.09 MB / 494.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001427/0.6395, allocations: 122.3 kB / 0.5669 GB, free: 17.05 MB / 494.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006337/0.6401, allocations: 149.3 kB / 0.5671 GB, free: 17.02 MB / 494.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006837/0.6408, allocations: 485.7 kB / 0.5675 GB, free: 16.77 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.135e-05/0.6408, allocations: 53.72 kB / 0.5676 GB, free: 16.77 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000111/0.641, allocations: 70.52 kB / 0.5676 GB, free: 16.77 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001367/0.6423, allocations: 0.949 MB / 0.5686 GB, free: 16.71 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.294e-05/0.6424, allocations: 6.609 kB / 0.5686 GB, free: 16.71 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.486e-05/0.6424, allocations: 29.41 kB / 0.5686 GB, free: 16.71 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.453e-05/0.6425, allocations: 42.52 kB / 0.5686 GB, free: 16.71 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001192/0.6437, allocations: 0.8749 MB / 0.5695 GB, free: 16.69 MB / 494.1 MB 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 0.005041/0.6487, allocations: 3.401 MB / 0.5728 GB, free: 15.13 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0007332/0.6495, allocations: 0.611 MB / 0.5734 GB, free: 15.1 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004218/0.6499, allocations: 333.3 kB / 0.5737 GB, free: 15.09 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.513e-05/0.6499, allocations: 19.31 kB / 0.5737 GB, free: 15.09 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.947e-05/0.65, allocations: 47.17 kB / 0.5738 GB, free: 15.05 MB / 494.1 MB Notification: Performance of pre-optimization done (n=59): time 2.916e-06/0.65, allocations: 1.062 kB / 0.5738 GB, free: 15.05 MB / 494.1 MB Warning: Some equations could not be differentiated for following variables having attribute stateSelect=StateSelect.prefer. They will be treated as if they had stateSelect=StateSelect.default ======================================== 1: volume.medium.Xi[6] 2: volume.medium.Xi[5] 3: volume.medium.Xi[4] 4: volume.medium.Xi[3] 5: volume.medium.Xi[2] 6: volume.medium.Xi[1] 7: volume.medium.T Please use -d=bltdump for more information. Notification: Performance of matching and sorting (n=71): time 0.01396/0.6639, allocations: 6.078 MB / 0.5797 GB, free: 12.91 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.077e-05/0.664, allocations: 62.41 kB / 0.5798 GB, free: 12.84 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005823/0.6646, allocations: 0.5533 MB / 0.5803 GB, free: 12.73 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001363/0.6647, allocations: 41.58 kB / 0.5804 GB, free: 12.7 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001477/0.6649, allocations: 280.4 kB / 0.5806 GB, free: 12.55 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001409/0.665, allocations: 270.7 kB / 0.5809 GB, free: 12.38 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002124/0.6652, allocations: 143.3 kB / 0.581 GB, free: 12.36 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0001967/0.6654, allocations: 376.4 kB / 0.5814 GB, free: 12.04 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004996/0.6659, allocations: 439.9 kB / 0.5818 GB, free: 12.04 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005541/0.6665, allocations: 0.5175 MB / 0.5823 GB, free: 11.99 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001055/0.6675, allocations: 0.9713 MB / 0.5833 GB, free: 11.93 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.773e-06/0.6675, allocations: 0.9688 kB / 0.5833 GB, free: 11.93 MB / 494.1 MB Notification: Performance of matching and sorting (n=88) (initialization): time 0.001661/0.6692, allocations: 1.34 MB / 0.5846 GB, free: 11.79 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.01e-05/0.6692, allocations: 13.64 kB / 0.5846 GB, free: 11.78 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.236e-06/0.6692, allocations: 5.812 kB / 0.5846 GB, free: 11.78 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005473/0.6698, allocations: 334.7 kB / 0.5849 GB, free: 11.72 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009233/0.6707, allocations: 177.6 kB / 0.5851 GB, free: 11.72 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009087/0.6798, allocations: 10.97 MB / 0.5958 GB, free: 1.77 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008458/0.6806, allocations: 23.3 kB / 0.5958 GB, free: 1.77 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.3e-05/0.6807, allocations: 46.25 kB / 0.5959 GB, free: 1.77 MB / 494.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * 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 (80): * Single equations (assignments): 72 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 8 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 8 systems {(1,1), (1,1), (1,1), (1,1), (1,1), (1,1), (1,1), (1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0005378/0.6812, allocations: 274.6 kB / 0.5961 GB, free: 1.652 MB / 494.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001607/0.6814, allocations: 62.27 kB / 0.5962 GB, free: 1.625 MB / 494.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001905/0.6833, allocations: 1.286 MB / 0.5974 GB, free: 1.496 MB / 494.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.251e-06/0.6833, allocations: 6.875 kB / 0.5974 GB, free: 1.496 MB / 494.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.268e-06/0.6833, allocations: 7.281 kB / 0.5974 GB, free: 1.496 MB / 494.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001609/0.6849, allocations: 1.605 MB / 0.599 GB, free: 0.6523 MB / 494.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003008/0.6879, allocations: 2.26 MB / 0.6012 GB, free: 300 kB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.08e-06/0.6879, allocations: 2.219 kB / 0.6012 GB, free: 300 kB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001068/0.689, allocations: 220.1 kB / 0.6014 GB, free: 300 kB / 494.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001777/0.6892, allocations: 69.59 kB / 0.6015 GB, free: 292 kB / 494.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.624e-05/0.6892, allocations: 41.84 kB / 0.6015 GB, free: 292 kB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001396/0.6906, allocations: 1.535 MB / 0.603 GB, free: 14.94 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.374e-06/0.6906, allocations: 3.375 kB / 0.603 GB, free: 14.94 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001967/0.6926, allocations: 1.605 MB / 0.6046 GB, free: 14.71 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002338/0.6928, allocations: 144.9 kB / 0.6047 GB, free: 14.58 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001032/0.6929, allocations: 28.06 kB / 0.6048 GB, free: 14.58 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006343/0.6936, allocations: 33.14 kB / 0.6048 GB, free: 14.58 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001009/0.6937, allocations: 62.8 kB / 0.6049 GB, free: 14.58 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.559e-05/0.6938, allocations: 67.23 kB / 0.6049 GB, free: 14.58 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.0004005/0.6942, allocations: 404 kB / 0.6053 GB, free: 14.49 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.1e-07/0.6942, allocations: 3.188 kB / 0.6053 GB, free: 14.49 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.001075/0.6952, allocations: 334.7 kB / 0.6056 GB, free: 14.47 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 8 (volume.medium.p,volume.medium.Xi[1],volume.medium.Xi[2],volume.medium.Xi[3],volume.medium.Xi[4],volume.medium.Xi[5],volume.medium.Xi[6],volume.medium.T) * 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 (77): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.003418/0.6987, allocations: 2.598 MB / 0.6082 GB, free: 13.7 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.002184/0.7008, allocations: 1.84 MB / 0.61 GB, free: 12.91 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 4.248e-06/0.7009, allocations: 3.219 kB / 0.61 GB, free: 12.91 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.0007852/0.7016, allocations: 0.6619 MB / 0.6106 GB, free: 12.79 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002087/0.7037, allocations: 0.4991 MB / 0.6111 GB, free: 12.73 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01078/0.7145, allocations: 8.765 MB / 0.6197 GB, free: 10.43 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005935/0.7151, allocations: 0.9765 MB / 0.6206 GB, free: 9.723 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.0008371/0.7159, allocations: 275.2 kB / 0.6209 GB, free: 9.668 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003828/0.7163, allocations: 276.7 kB / 0.6211 GB, free: 9.66 MB / 0.4981 GB Notification: Performance of SimCode: time 7.02e-07/0.7163, allocations: 0 / 0.6211 GB, free: 9.66 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08335/0.7997, allocations: 34.11 MB / 0.6545 GB, free: 9.816 MB / 0.5294 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.77/13.57, allocations: 8 kB / 0.6545 GB, free: 9.809 MB / 0.5294 GB " [Timeout remaining time 646] (rm -f Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas.pipe ; mkfifo Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas.pipe >> ../files/Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas_res.mat --tempDir=temp_Modelica_3_2_3_Modelica_Media_Examples_Tests_MediaTestModels_IdealGases_SimpleNaturalGas_fmu --startTime=0 --stopTime=1.01 --stepSize=0.000201919 --timeout=50 --tolerance=1e-06 Modelica_3_2_3_Modelica_Media_Examples_Tests_MediaTestModels_IdealGases_SimpleNaturalGas.fmu > Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Media/Examples/Tests/MediaTestModels/IdealGases/SimpleNaturalGas/SimpleNaturalGas.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_3.2.3_Modelica.Media.Examples.Tests.MediaTestModels.IdealGases.SimpleNaturalGas.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 16.92602467199322]