Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes.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 0.001559/0.001559, allocations: 124.5 kB / 17.79 MB, free: 5.246 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 0.001702/0.001702, allocations: 211.2 kB / 20.75 MB, free: 2.293 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 1.506/1.506, allocations: 230.6 MB / 254.1 MB, free: 15.08 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2314/0.2314, allocations: 44.91 MB / 355.1 MB, free: 12.31 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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(ModelicaTest.MultiBody.Visualizers.Planes,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Visualizers_Planes",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Visualizers.Planes,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Visualizers_Planes",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: ModelicaTest 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 0.002045/0.002045, allocations: 71.89 kB / 499.6 MB, free: 11.82 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1345/0.1365, allocations: 65.42 MB / 0.5517 GB, free: 10.27 MB / 414.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Visualizers.Planes): time 0.01474/0.1513, allocations: 11.55 MB / 0.563 GB, free: 14.66 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.00742/0.1587, allocations: 3.084 MB / 0.566 GB, free: 11.56 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002005/0.1607, allocations: 67.75 kB / 0.5661 GB, free: 11.49 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003789/0.1645, allocations: 1.596 MB / 0.5677 GB, free: 9.891 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004277/0.1688, allocations: 1.607 MB / 0.5692 GB, free: 8.281 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0006111/0.1694, allocations: 119.8 kB / 0.5693 GB, free: 8.164 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.005193/0.1746, allocations: 3.295 MB / 0.5726 GB, free: 4.863 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003375/0.1779, allocations: 1.906 MB / 0.5744 GB, free: 2.922 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002249/0.1802, allocations: 1.168 MB / 0.5756 GB, free: 1.75 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00413/0.1843, allocations: 2.594 MB / 0.5781 GB, free: 15.15 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0008777/0.1852, allocations: 228 kB / 0.5783 GB, free: 14.93 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001941/0.1871, allocations: 0.7255 MB / 0.579 GB, free: 14.2 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002227/0.1894, allocations: 1.538 MB / 0.5805 GB, free: 12.66 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003021/0.1924, allocations: 1.812 MB / 0.5823 GB, free: 10.83 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.008479/0.2009, allocations: 5.947 MB / 0.5881 GB, free: 4.859 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.185e-06/0.2009, allocations: 0 / 0.5881 GB, free: 4.859 MB / 446.1 MB Notification: Performance of FrontEnd: time 2.284e-06/0.2009, allocations: 0 / 0.5881 GB, free: 4.859 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0002344/0.2011, allocations: 0 / 0.5881 GB, free: 4.859 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1485 * Number of variables: 1485 Notification: Performance of Generate backend data structure: time 0.01057/0.2117, allocations: 4.097 MB / 0.5921 GB, free: 0.6875 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 7.373e-05/0.2118, allocations: 8.031 kB / 0.5921 GB, free: 0.6797 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.2831/0.4949, allocations: 0.6947 MB / 0.5928 GB, free: 36.61 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01207/0.507, allocations: 2.987 MB / 0.5957 GB, free: 36.38 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005193/0.5121, allocations: 1.844 MB / 0.5975 GB, free: 35.97 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002563/0.5124, allocations: 187.8 kB / 0.5977 GB, free: 35.96 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001278/0.5137, allocations: 231.8 kB / 0.5979 GB, free: 35.96 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0192/0.5329, allocations: 9.762 MB / 0.6074 GB, free: 32.14 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.465e-05/0.533, allocations: 18.81 kB / 0.6075 GB, free: 32.12 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006896/0.5337, allocations: 113.2 kB / 0.6076 GB, free: 32.09 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004237/0.5379, allocations: 2.367 MB / 0.6099 GB, free: 31.67 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01705/0.5549, allocations: 8.95 MB / 0.6186 GB, free: 27.06 MB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03901/0.594, allocations: 29.57 MB / 0.6475 GB, free: 13 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.007247/0.6012, allocations: 3.361 MB / 0.6508 GB, free: 9.398 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001806/0.603, allocations: 1.022 MB / 0.6518 GB, free: 8.363 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0119/0.6149, allocations: 6.474 MB / 0.6581 GB, free: 1.547 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.907e-05/0.615, allocations: 43.22 kB / 0.6581 GB, free: 1.496 MB / 462.1 MB Notification: Performance of pre-optimization done (n=135): time 5.35e-06/0.615, allocations: 0 / 0.6581 GB, free: 1.496 MB / 462.1 MB Notification: Performance of matching and sorting (n=135): time 0.009112/0.6241, allocations: 3.151 MB / 0.6612 GB, free: 14.34 MB / 478.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.996e-05/0.6242, allocations: 115.5 kB / 0.6613 GB, free: 14.2 MB / 478.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004586/0.6288, allocations: 2.738 MB / 0.664 GB, free: 11.45 MB / 478.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001921/0.6289, allocations: 37.7 kB / 0.664 GB, free: 11.4 MB / 478.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.002395/0.6313, allocations: 2.845 MB / 0.6668 GB, free: 8.527 MB / 478.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0008262/0.6322, allocations: 0.5389 MB / 0.6673 GB, free: 7.984 MB / 478.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001408/0.6336, allocations: 0.9369 MB / 0.6682 GB, free: 7.035 MB / 478.1 MB Notification: Performance of setup shared object (initialization): time 0.000136/0.6337, allocations: 309.1 kB / 0.6685 GB, free: 6.73 MB / 478.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002395/0.6361, allocations: 1.399 MB / 0.6699 GB, free: 5.324 MB / 478.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004821/0.6409, allocations: 4.233 MB / 0.674 GB, free: 15.68 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.008156/0.6491, allocations: 6.155 MB / 0.68 GB, free: 8.121 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.563e-05/0.6492, allocations: 32 kB / 0.6801 GB, free: 8.09 MB / 494.1 MB Notification: Performance of matching and sorting (n=609) (initialization): time 0.01057/0.6597, allocations: 5.464 MB / 0.6854 GB, free: 2.617 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 8.194e-05/0.6598, allocations: 48 kB / 0.6855 GB, free: 2.57 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001337/0.66, allocations: 100 kB / 0.6856 GB, free: 2.473 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001517/0.6601, allocations: 135.9 kB / 0.6857 GB, free: 2.34 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003147/0.6633, allocations: 0.9942 MB / 0.6867 GB, free: 1.344 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0001742/0.6634, allocations: 191.2 kB / 0.6868 GB, free: 1.156 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003193/0.6666, allocations: 0.6397 MB / 0.6875 GB, free: 0.5117 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005929/0.6672, allocations: 288 kB / 0.6877 GB, free: 236 kB / 494.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 455 * Number of states: 0 () * Number of discrete variables: 21 (fixedFrame.color_x[3],fixedFrame.color_x[2],fixedFrame.color_x[1],fixedFrameOfWireframe.color_x[3],fixedFrameOfWireframe.color_x[2],fixedFrameOfWireframe.color_x[1],fixedRotation.color[3],fixedRotation.color[2],fixedRotation.color[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (551): * Single equations (assignments): 543 * Array equations: 8 * 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 0.003497/0.6707, allocations: 1.983 MB / 0.6897 GB, free: 14.24 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005356/0.6713, allocations: 238.4 kB / 0.6899 GB, free: 14 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007081/0.672, allocations: 292.7 kB / 0.6902 GB, free: 13.71 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.983e-05/0.672, allocations: 16 kB / 0.6902 GB, free: 13.7 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.375e-05/0.672, allocations: 0 / 0.6902 GB, free: 13.7 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.201e-05/0.672, allocations: 3.984 kB / 0.6902 GB, free: 13.69 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01134/0.6834, allocations: 6.196 MB / 0.6962 GB, free: 7.324 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.248e-05/0.6834, allocations: 8.906 kB / 0.6963 GB, free: 7.316 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007134/0.6841, allocations: 163.8 kB / 0.6964 GB, free: 7.156 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.402e-05/0.6841, allocations: 12 kB / 0.6964 GB, free: 7.145 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.286e-05/0.6842, allocations: 31.98 kB / 0.6965 GB, free: 7.113 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.523e-05/0.6842, allocations: 19.92 kB / 0.6965 GB, free: 7.094 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.446e-05/0.6842, allocations: 15.94 kB / 0.6965 GB, free: 7.078 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00269/0.6869, allocations: 2.011 MB / 0.6985 GB, free: 4.949 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005603/0.6875, allocations: 319.1 kB / 0.6988 GB, free: 4.617 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002459/0.6877, allocations: 24 kB / 0.6988 GB, free: 4.594 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006719/0.6884, allocations: 47.94 kB / 0.6988 GB, free: 4.547 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001796/0.6886, allocations: 88.23 kB / 0.6989 GB, free: 4.461 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.639e-05/0.6887, allocations: 47.98 kB / 0.699 GB, free: 4.414 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.002809/0.6915, allocations: 1.666 MB / 0.7006 GB, free: 2.738 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.21e-07/0.6915, allocations: 6.812 kB / 0.7006 GB, free: 2.734 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.004427/0.6959, allocations: 1.035 MB / 0.7016 GB, free: 1.695 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * 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 (93): * Single equations (assignments): 87 * Array equations: 6 * 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 0.003756/0.6996, allocations: 2.661 MB / 0.7042 GB, free: 14.9 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.005444/0.7051, allocations: 3.139 MB / 0.7073 GB, free: 11.79 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 1.066e-05/0.7051, allocations: 0 / 0.7073 GB, free: 11.79 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.001054/0.7062, allocations: 0.7433 MB / 0.708 GB, free: 11.05 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001908/0.7081, allocations: 298.3 kB / 0.7083 GB, free: 10.76 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05619/0.7642, allocations: 31.04 MB / 0.7386 GB, free: 7.684 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005657/0.7699, allocations: 3.092 MB / 0.7416 GB, free: 4.566 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.003922/0.7738, allocations: 1.55 MB / 0.7431 GB, free: 3.012 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002929/0.7768, allocations: 1.601 MB / 0.7447 GB, free: 1.41 MB / 0.545 GB Notification: Performance of SimCode: time 1.403e-06/0.7768, allocations: 0 / 0.7447 GB, free: 1.41 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09197/0.8687, allocations: 41.75 MB / 0.7855 GB, free: 7.875 MB / 0.5919 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.85/16.72, allocations: 15.97 kB / 0.7855 GB, free: 7.859 MB / 0.5919 GB " [Timeout remaining time 643] (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes.sim & python3 -m fmpy simulate --output-file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.00019992 ModelicaTest_4_0_0_ModelicaTest_MultiBody_Visualizers_Planes.fmu > ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/Visualizers/Planes/Planes.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable surfaceWireframe.nu in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv. Warning: Get data of variable surfaceWireframe.nu from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv failed! Error: Could not read variable surfaceWireframe.nv in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv. Warning: Get data of variable surfaceWireframe.nv from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv failed! Error: Could not read variable surfaceSolid.nu in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv. Warning: Get data of variable surfaceSolid.nu from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv failed! Error: Could not read variable surfaceSolid.nv in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv. Warning: Get data of variable surfaceSolid.nv from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Visualizers.Planes_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 19.935902499128133]